Refactor SQLite, add mock data

HealthImport.xcodeproj/project.pbxproj

@@ -15,12 +15,10 @@
 		885002712B5C299900E7D4DB /* HealthDatabase.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002702B5C299900E7D4DB /* HealthDatabase.swift */; };
 		885002772B5C2FC400E7D4DB /* SQLite in Frameworks */ = {isa = PBXBuildFile; productRef = 885002762B5C2FC400E7D4DB /* SQLite */; };
 		885002792B5C320400E7D4DB /* Optional+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002782B5C320400E7D4DB /* Optional+Extensions.swift */; };
-		8850027B2B5C35BF00E7D4DB /* DBWorkout.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850027A2B5C35BF00E7D4DB /* DBWorkout.swift */; };
+		8850027B2B5C35BF00E7D4DB /* Workout+SQLite.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850027A2B5C35BF00E7D4DB /* Workout+SQLite.swift */; };
-		8850027D2B5C360300E7D4DB /* DBWorkoutEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850027C2B5C360300E7D4DB /* DBWorkoutEvent.swift */; };
 		8850027F2B5C36A700E7D4DB /* Workout.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850027E2B5C36A700E7D4DB /* Workout.swift */; };
 		885002852B5C7AD600E7D4DB /* WorkoutEvent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002842B5C7AD600E7D4DB /* WorkoutEvent.swift */; };
 		885002872B5C7FA900E7D4DB /* HKWorkoutActivityType+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002862B5C7FA900E7D4DB /* HKWorkoutActivityType+Extensions.swift */; };
-		885002892B5C873C00E7D4DB /* DBWorkoutActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002882B5C873C00E7D4DB /* DBWorkoutActivity.swift */; };
 		8850028B2B5C896C00E7D4DB /* WorkoutActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850028A2B5C896C00E7D4DB /* WorkoutActivity.swift */; };
 		8850028D2B5D0B5000E7D4DB /* WorkoutDetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850028C2B5D0B5000E7D4DB /* WorkoutDetailView.swift */; };
 		8850028F2B5D0EAF00E7D4DB /* Date+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850028E2B5D0EAF00E7D4DB /* Date+Extensions.swift */; };
@@ -31,12 +29,30 @@
 		885002992B5D15D200E7D4DB /* HKWorkoutSwimmingLocationType+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002982B5D15D200E7D4DB /* HKWorkoutSwimmingLocationType+Extensions.swift */; };
 		8850029B2B5D16E200E7D4DB /* TimeInterval+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850029A2B5D16E200E7D4DB /* TimeInterval+Extensions.swift */; };
 		8850029D2B5D197300E7D4DB /* EventDetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850029C2B5D197300E7D4DB /* EventDetailView.swift */; };
-		8850029F2B5D1C7000E7D4DB /* DBMetadata.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850029E2B5D1C7000E7D4DB /* DBMetadata.swift */; };
+		8850029F2B5D1C7000E7D4DB /* MetadataValue+SQLite.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8850029E2B5D1C7000E7D4DB /* MetadataValue+SQLite.swift */; };
-		885002A12B5D1E7400E7D4DB /* DBMetadataKey.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002A02B5D1E7400E7D4DB /* DBMetadataKey.swift */; };
 		885002A32B5D217600E7D4DB /* MetadataValue.swift in Sources */ = {isa = PBXBuildFile; fileRef = 885002A22B5D217600E7D4DB /* MetadataValue.swift */; };
 		885002A62B5D296700E7D4DB /* Collections in Frameworks */ = {isa = PBXBuildFile; productRef = 885002A52B5D296700E7D4DB /* Collections */; };
 		885002A82B5D296700E7D4DB /* DequeModule in Frameworks */ = {isa = PBXBuildFile; productRef = 885002A72B5D296700E7D4DB /* DequeModule */; };
 		885002AA2B5D296700E7D4DB /* OrderedCollections in Frameworks */ = {isa = PBXBuildFile; productRef = 885002A92B5D296700E7D4DB /* OrderedCollections */; };
+		E201EC732B626A30005B83D3 /* WorkoutActivity+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E201EC722B626A30005B83D3 /* WorkoutActivity+Mock.swift */; };
+		E201EC752B626B19005B83D3 /* Metadata+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E201EC742B626B19005B83D3 /* Metadata+Mock.swift */; };
+		E201EC772B626FC1005B83D3 /* MetadataKey.swift in Sources */ = {isa = PBXBuildFile; fileRef = E201EC762B626FC1005B83D3 /* MetadataKey.swift */; };
+		E201EC792B627572005B83D3 /* MetadataKey+SQLite.swift in Sources */ = {isa = PBXBuildFile; fileRef = E201EC782B627572005B83D3 /* MetadataKey+SQLite.swift */; };
+		E201EC7B2B6275CA005B83D3 /* Metadata.swift in Sources */ = {isa = PBXBuildFile; fileRef = E201EC7A2B6275CA005B83D3 /* Metadata.swift */; };
+		E27BC67A2B5D99AC003A8873 /* LocationSample.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6792B5D99AC003A8873 /* LocationSample.swift */; };
+		E27BC67E2B5E6CE3003A8873 /* Sequence+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC67D2B5E6CE3003A8873 /* Sequence+Extensions.swift */; };
+		E27BC6802B5E74D7003A8873 /* LocationSampleListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC67F2B5E74D7003A8873 /* LocationSampleListView.swift */; };
+		E27BC6822B5E762D003A8873 /* LocationSampleDetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6812B5E762D003A8873 /* LocationSampleDetailView.swift */; };
+		E27BC6842B5E76A4003A8873 /* Location+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6832B5E76A4003A8873 /* Location+Mock.swift */; };
+		E27BC6862B5FBF0B003A8873 /* Sample.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6852B5FBF0B003A8873 /* Sample.swift */; };
+		E27BC6882B5FC220003A8873 /* Sample+Quantity.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6872B5FC220003A8873 /* Sample+Quantity.swift */; };
+		E27BC68A2B5FC255003A8873 /* Sample+Unit.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6892B5FC255003A8873 /* Sample+Unit.swift */; };
+		E27BC68E2B5FCBD5003A8873 /* WorkoutEvent+SQLite.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC68D2B5FCBD5003A8873 /* WorkoutEvent+SQLite.swift */; };
+		E27BC6902B5FCEA4003A8873 /* WorkoutActivity+SQLite.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC68F2B5FCEA4003A8873 /* WorkoutActivity+SQLite.swift */; };
+		E27BC6922B5FD488003A8873 /* HealthDatabase+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6912B5FD488003A8873 /* HealthDatabase+Mock.swift */; };
+		E27BC6942B5FD587003A8873 /* Workout+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6932B5FD587003A8873 /* Workout+Mock.swift */; };
+		E27BC6962B5FD61D003A8873 /* WorkoutEvent+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6952B5FD61D003A8873 /* WorkoutEvent+Mock.swift */; };
+		E27BC6982B5FD76F003A8873 /* Data+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = E27BC6972B5FD76F003A8873 /* Data+Extensions.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -48,12 +64,10 @@
 		8850026B2B5C278600E7D4DB /* healthdb_secure.sqlite */ = {isa = PBXFileReference; lastKnownFileType = file; path = healthdb_secure.sqlite; sourceTree = "<group>"; };
 		885002702B5C299900E7D4DB /* HealthDatabase.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HealthDatabase.swift; sourceTree = "<group>"; };
 		885002782B5C320400E7D4DB /* Optional+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Optional+Extensions.swift"; sourceTree = "<group>"; };
-		8850027A2B5C35BF00E7D4DB /* DBWorkout.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DBWorkout.swift; sourceTree = "<group>"; };
+		8850027A2B5C35BF00E7D4DB /* Workout+SQLite.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Workout+SQLite.swift"; sourceTree = "<group>"; };
-		8850027C2B5C360300E7D4DB /* DBWorkoutEvent.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DBWorkoutEvent.swift; sourceTree = "<group>"; };
 		8850027E2B5C36A700E7D4DB /* Workout.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Workout.swift; sourceTree = "<group>"; };
 		885002842B5C7AD600E7D4DB /* WorkoutEvent.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WorkoutEvent.swift; sourceTree = "<group>"; };
 		885002862B5C7FA900E7D4DB /* HKWorkoutActivityType+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "HKWorkoutActivityType+Extensions.swift"; sourceTree = "<group>"; };
-		885002882B5C873C00E7D4DB /* DBWorkoutActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DBWorkoutActivity.swift; sourceTree = "<group>"; };
 		8850028A2B5C896C00E7D4DB /* WorkoutActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WorkoutActivity.swift; sourceTree = "<group>"; };
 		8850028C2B5D0B5000E7D4DB /* WorkoutDetailView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WorkoutDetailView.swift; sourceTree = "<group>"; };
 		8850028E2B5D0EAF00E7D4DB /* Date+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Date+Extensions.swift"; sourceTree = "<group>"; };
@@ -64,9 +78,27 @@
 		885002982B5D15D200E7D4DB /* HKWorkoutSwimmingLocationType+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "HKWorkoutSwimmingLocationType+Extensions.swift"; sourceTree = "<group>"; };
 		8850029A2B5D16E200E7D4DB /* TimeInterval+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "TimeInterval+Extensions.swift"; sourceTree = "<group>"; };
 		8850029C2B5D197300E7D4DB /* EventDetailView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EventDetailView.swift; sourceTree = "<group>"; };
-		8850029E2B5D1C7000E7D4DB /* DBMetadata.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DBMetadata.swift; sourceTree = "<group>"; };
+		8850029E2B5D1C7000E7D4DB /* MetadataValue+SQLite.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "MetadataValue+SQLite.swift"; sourceTree = "<group>"; };
-		885002A02B5D1E7400E7D4DB /* DBMetadataKey.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DBMetadataKey.swift; sourceTree = "<group>"; };
 		885002A22B5D217600E7D4DB /* MetadataValue.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MetadataValue.swift; sourceTree = "<group>"; };
+		E201EC722B626A30005B83D3 /* WorkoutActivity+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "WorkoutActivity+Mock.swift"; sourceTree = "<group>"; };
+		E201EC742B626B19005B83D3 /* Metadata+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Metadata+Mock.swift"; sourceTree = "<group>"; };
+		E201EC762B626FC1005B83D3 /* MetadataKey.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MetadataKey.swift; sourceTree = "<group>"; };
+		E201EC782B627572005B83D3 /* MetadataKey+SQLite.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "MetadataKey+SQLite.swift"; sourceTree = "<group>"; };
+		E201EC7A2B6275CA005B83D3 /* Metadata.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Metadata.swift; sourceTree = "<group>"; };
+		E27BC6792B5D99AC003A8873 /* LocationSample.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocationSample.swift; sourceTree = "<group>"; };
+		E27BC67D2B5E6CE3003A8873 /* Sequence+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Sequence+Extensions.swift"; sourceTree = "<group>"; };
+		E27BC67F2B5E74D7003A8873 /* LocationSampleListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocationSampleListView.swift; sourceTree = "<group>"; };
+		E27BC6812B5E762D003A8873 /* LocationSampleDetailView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocationSampleDetailView.swift; sourceTree = "<group>"; };
+		E27BC6832B5E76A4003A8873 /* Location+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Location+Mock.swift"; sourceTree = "<group>"; };
+		E27BC6852B5FBF0B003A8873 /* Sample.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sample.swift; sourceTree = "<group>"; };
+		E27BC6872B5FC220003A8873 /* Sample+Quantity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Sample+Quantity.swift"; sourceTree = "<group>"; };
+		E27BC6892B5FC255003A8873 /* Sample+Unit.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Sample+Unit.swift"; sourceTree = "<group>"; };
+		E27BC68D2B5FCBD5003A8873 /* WorkoutEvent+SQLite.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "WorkoutEvent+SQLite.swift"; sourceTree = "<group>"; };
+		E27BC68F2B5FCEA4003A8873 /* WorkoutActivity+SQLite.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "WorkoutActivity+SQLite.swift"; sourceTree = "<group>"; };
+		E27BC6912B5FD488003A8873 /* HealthDatabase+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "HealthDatabase+Mock.swift"; sourceTree = "<group>"; };
+		E27BC6932B5FD587003A8873 /* Workout+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Workout+Mock.swift"; sourceTree = "<group>"; };
+		E27BC6952B5FD61D003A8873 /* WorkoutEvent+Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "WorkoutEvent+Mock.swift"; sourceTree = "<group>"; };
+		E27BC6972B5FD76F003A8873 /* Data+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Data+Extensions.swift"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -108,6 +140,8 @@
 				8850025C2B5C273C00E7D4DB /* ContentView.swift */,
 				8850028C2B5D0B5000E7D4DB /* WorkoutDetailView.swift */,
 				885002922B5D129300E7D4DB /* ActivityDetailView.swift */,
+				E27BC67F2B5E74D7003A8873 /* LocationSampleListView.swift */,
+				E27BC6812B5E762D003A8873 /* LocationSampleDetailView.swift */,
 				8850029C2B5D197300E7D4DB /* EventDetailView.swift */,
 				885002942B5D147100E7D4DB /* DetailRow.swift */,
 				8850025E2B5C273E00E7D4DB /* Assets.xcassets */,
@@ -124,6 +158,12 @@
 			isa = PBXGroup;
 			children = (
 				885002612B5C273E00E7D4DB /* Preview Assets.xcassets */,
+				E27BC6832B5E76A4003A8873 /* Location+Mock.swift */,
+				E27BC6912B5FD488003A8873 /* HealthDatabase+Mock.swift */,
+				E27BC6932B5FD587003A8873 /* Workout+Mock.swift */,
+				E201EC742B626B19005B83D3 /* Metadata+Mock.swift */,
+				E201EC722B626A30005B83D3 /* WorkoutActivity+Mock.swift */,
+				E27BC6952B5FD61D003A8873 /* WorkoutEvent+Mock.swift */,
 			);
 			path = "Preview Content";
 			sourceTree = "<group>";
@@ -139,11 +179,6 @@
 		885002802B5C37A800E7D4DB /* Database Entries */ = {
 			isa = PBXGroup;
 			children = (
-				8850027A2B5C35BF00E7D4DB /* DBWorkout.swift */,
-				8850027C2B5C360300E7D4DB /* DBWorkoutEvent.swift */,
-				885002882B5C873C00E7D4DB /* DBWorkoutActivity.swift */,
-				8850029E2B5D1C7000E7D4DB /* DBMetadata.swift */,
-				885002A02B5D1E7400E7D4DB /* DBMetadataKey.swift */,
 			);
 			path = "Database Entries";
 			sourceTree = "<group>";
@@ -151,10 +186,21 @@
 		885002812B5C37B700E7D4DB /* Model */ = {
 			isa = PBXGroup;
 			children = (
-				8850027E2B5C36A700E7D4DB /* Workout.swift */,
+				E27BC6792B5D99AC003A8873 /* LocationSample.swift */,
-				885002842B5C7AD600E7D4DB /* WorkoutEvent.swift */,
+				E201EC7A2B6275CA005B83D3 /* Metadata.swift */,
-				8850028A2B5C896C00E7D4DB /* WorkoutActivity.swift */,
+				E201EC762B626FC1005B83D3 /* MetadataKey.swift */,
+				E201EC782B627572005B83D3 /* MetadataKey+SQLite.swift */,
 				885002A22B5D217600E7D4DB /* MetadataValue.swift */,
+				8850029E2B5D1C7000E7D4DB /* MetadataValue+SQLite.swift */,
+				E27BC6852B5FBF0B003A8873 /* Sample.swift */,
+				E27BC6872B5FC220003A8873 /* Sample+Quantity.swift */,
+				E27BC6892B5FC255003A8873 /* Sample+Unit.swift */,
+				8850027E2B5C36A700E7D4DB /* Workout.swift */,
+				8850027A2B5C35BF00E7D4DB /* Workout+SQLite.swift */,
+				8850028A2B5C896C00E7D4DB /* WorkoutActivity.swift */,
+				E27BC68F2B5FCEA4003A8873 /* WorkoutActivity+SQLite.swift */,
+				885002842B5C7AD600E7D4DB /* WorkoutEvent.swift */,
+				E27BC68D2B5FCBD5003A8873 /* WorkoutEvent+SQLite.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -162,6 +208,7 @@
 		885002832B5C37C600E7D4DB /* Support */ = {
 			isa = PBXGroup;
 			children = (
+				E27BC6972B5FD76F003A8873 /* Data+Extensions.swift */,
 				8850028E2B5D0EAF00E7D4DB /* Date+Extensions.swift */,
 				885002782B5C320400E7D4DB /* Optional+Extensions.swift */,
 				885002862B5C7FA900E7D4DB /* HKWorkoutActivityType+Extensions.swift */,
@@ -169,6 +216,7 @@
 				885002962B5D157900E7D4DB /* HKWorkoutSessionLocationType+Extensions.swift */,
 				885002982B5D15D200E7D4DB /* HKWorkoutSwimmingLocationType+Extensions.swift */,
 				8850029A2B5D16E200E7D4DB /* TimeInterval+Extensions.swift */,
+				E27BC67D2B5E6CE3003A8873 /* Sequence+Extensions.swift */,
 			);
 			path = Support;
 			sourceTree = "<group>";
@@ -254,28 +302,44 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				E27BC6982B5FD76F003A8873 /* Data+Extensions.swift in Sources */,
 				885002872B5C7FA900E7D4DB /* HKWorkoutActivityType+Extensions.swift in Sources */,
 				8850025D2B5C273C00E7D4DB /* ContentView.swift in Sources */,
 				8850029B2B5D16E200E7D4DB /* TimeInterval+Extensions.swift in Sources */,
 				885002972B5D157900E7D4DB /* HKWorkoutSessionLocationType+Extensions.swift in Sources */,
 				885002792B5C320400E7D4DB /* Optional+Extensions.swift in Sources */,
+				E201EC792B627572005B83D3 /* MetadataKey+SQLite.swift in Sources */,
 				885002992B5D15D200E7D4DB /* HKWorkoutSwimmingLocationType+Extensions.swift in Sources */,
+				E27BC6822B5E762D003A8873 /* LocationSampleDetailView.swift in Sources */,
+				E201EC752B626B19005B83D3 /* Metadata+Mock.swift in Sources */,
 				8850028F2B5D0EAF00E7D4DB /* Date+Extensions.swift in Sources */,
 				885002852B5C7AD600E7D4DB /* WorkoutEvent.swift in Sources */,
 				885002912B5D0F9200E7D4DB /* HKWorkoutEventType+Extensions.swift in Sources */,
+				E27BC6922B5FD488003A8873 /* HealthDatabase+Mock.swift in Sources */,
+				E27BC6902B5FCEA4003A8873 /* WorkoutActivity+SQLite.swift in Sources */,
+				E201EC772B626FC1005B83D3 /* MetadataKey.swift in Sources */,
 				8850027F2B5C36A700E7D4DB /* Workout.swift in Sources */,
-				885002A12B5D1E7400E7D4DB /* DBMetadataKey.swift in Sources */,
 				885002712B5C299900E7D4DB /* HealthDatabase.swift in Sources */,
+				E27BC6842B5E76A4003A8873 /* Location+Mock.swift in Sources */,
 				885002932B5D129300E7D4DB /* ActivityDetailView.swift in Sources */,
-				8850029F2B5D1C7000E7D4DB /* DBMetadata.swift in Sources */,
+				8850029F2B5D1C7000E7D4DB /* MetadataValue+SQLite.swift in Sources */,
-				8850027B2B5C35BF00E7D4DB /* DBWorkout.swift in Sources */,
+				E27BC6882B5FC220003A8873 /* Sample+Quantity.swift in Sources */,
+				8850027B2B5C35BF00E7D4DB /* Workout+SQLite.swift in Sources */,
+				E27BC6962B5FD61D003A8873 /* WorkoutEvent+Mock.swift in Sources */,
+				E27BC6802B5E74D7003A8873 /* LocationSampleListView.swift in Sources */,
 				8850028D2B5D0B5000E7D4DB /* WorkoutDetailView.swift in Sources */,
 				885002A32B5D217600E7D4DB /* MetadataValue.swift in Sources */,
+				E201EC7B2B6275CA005B83D3 /* Metadata.swift in Sources */,
 				8850028B2B5C896C00E7D4DB /* WorkoutActivity.swift in Sources */,
+				E27BC67A2B5D99AC003A8873 /* LocationSample.swift in Sources */,
 				885002952B5D147100E7D4DB /* DetailRow.swift in Sources */,
+				E201EC732B626A30005B83D3 /* WorkoutActivity+Mock.swift in Sources */,
+				E27BC68A2B5FC255003A8873 /* Sample+Unit.swift in Sources */,
 				8850029D2B5D197300E7D4DB /* EventDetailView.swift in Sources */,
-				8850027D2B5C360300E7D4DB /* DBWorkoutEvent.swift in Sources */,
+				E27BC6862B5FBF0B003A8873 /* Sample.swift in Sources */,
-				885002892B5C873C00E7D4DB /* DBWorkoutActivity.swift in Sources */,
+				E27BC67E2B5E6CE3003A8873 /* Sequence+Extensions.swift in Sources */,
+				E27BC6942B5FD587003A8873 /* Workout+Mock.swift in Sources */,
+				E27BC68E2B5FCBD5003A8873 /* WorkoutEvent+SQLite.swift in Sources */,
 				8850025B2B5C273C00E7D4DB /* HealthImportApp.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

HealthImport.xcodeproj/xcuserdata/ch.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>HealthImport.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+		<key>SQLite (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>2</integer>
+		</dict>
+		<key>SQLite (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>3</integer>
+		</dict>
+		<key>SQLite (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>1</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

HealthImport/ActivityDetailView.swift

@@ -2,8 +2,13 @@ import SwiftUI
 
 struct ActivityDetailView: View {
 
+    @EnvironmentObject
+    var database: HealthDatabase
+
     let activity: WorkoutActivity
 
+    @State var locations: [LocationSample] = []
+
     var body: some View {
         List {
             DetailRow("UUID", value: activity.uuid)
@@ -16,24 +21,39 @@ struct ActivityDetailView: View {
             DetailRow("End", date: activity.endDate)
             DetailRow("Duration", duration: activity.duration)
             DetailRow("Metadata", value: activity.metadata)
+            if !locations.isEmpty {
+                NavigationLink(value: locations) {
+                    DetailRow("Locations", value: "\(locations.count)")
+                }
+            } else {
+                DetailRow("Locations", value: "0")
+            }
         }
         .navigationTitle("Activity")
+        .navigationDestination(for: [LocationSample].self) { locations in
+            LocationSampleListView(samples: locations)
+        }
+        .onAppear(perform: load)
+    }
+
+    private func load() {
+        Task {
+            do {
+                let samples = try database.locationSamples(for: activity)
+                    .sorted { $0.timestamp }
+                DispatchQueue.main.async {
+                    self.locations = samples
+                }
+            } catch {
+                print("Failed to load location samples for activity: \(error)")
+            }
+        }
     }
 }
 
 #Preview {
     NavigationStack {
-        ActivityDetailView(activity: .init(
+        ActivityDetailView(activity: .mock1)
-            uuid: .init(repeating: 42, count: 3),
+        .environmentObject(HealthDatabase.mock())
-            isPrimaryActivity: true,
-            activityType: .running,
-            locationType: .outdoor,
-            swimmingLocationType: .unknown,
-            lapLength: .init(repeating: 42, count: 3),
-            startDate: .now.addingTimeInterval(-100),
-            endDate: .now,
-            duration: 100.0,
-            metadata: .init(repeating: 42, count: 3))
-        )
     }
 }

HealthImport/ContentView.swift

@@ -3,11 +3,7 @@ import HealthKit
 
 struct ContentView: View {
     
-    static let databaseFileUrl = Bundle.main.url(forResource: "healthdb_secure", withExtension: "sqlite")
+    @StateObject var database: HealthDatabase
-    
-    @StateObject var database: HealthDatabase = {
-        try! .init(fileUrl: databaseFileUrl!)
-    }()
     
     @State var navigationPath: NavigationPath = .init()
     
@@ -37,5 +33,5 @@ struct ContentView: View {
 }
 
 #Preview {
-    ContentView()
+    ContentView(database: .mock())
 }

HealthImport/Database Entries/DBMetadata.swift

@@ -1,57 +0,0 @@
-import Foundation
-import SQLite
-
-struct DBMetadata {
-    
-    private static let table = Table("metadata_values")
-    
-    private static let rowKeyId = Expression<Int?>("key_id")
-    
-    private static let rowObjectId = Expression<Int?>("object_id")
-    
-    private static let rowValueType = Expression<Int>("value_type")
-    
-    private static let rowStringValue = Expression<String?>("string_value")
-    
-    private static let rowNumericalValue = Expression<Double?>("numerical_value")
-    
-    private static let rowDateValue = Expression<Double?>("date_value")
-    
-    private static let rowDataValue = Expression<Data?>("data_value")
-    
-    static func readAll(in database: Connection) throws -> [Self] {
-        try database.prepare(table).map(Self.init)
-    }
-    
-    static func metadata(for workoutId: Int, in database: Connection) throws -> [Self] {
-        try database.prepare(table.filter(rowObjectId == workoutId)).map(Self.init)
-    }
-    
-    let keyId: Int?
-    
-    let objectId: Int?
-    
-    let valueType: Int
-    
-    let string: String?
-    
-    let number: Double?
-    
-    let date: Double?
-
-    let data: Data?
-}
-
-extension DBMetadata {
-    
-    init(row: Row) {
-        self.keyId = row[DBMetadata.rowKeyId]
-        self.objectId = row[DBMetadata.rowObjectId]
-        self.valueType = row[DBMetadata.rowValueType]
-        self.string = row[DBMetadata.rowStringValue]
-        self.number = row[DBMetadata.rowNumericalValue]
-        self.date = row[DBMetadata.rowDateValue]
-        self.data = row[DBMetadata.rowDataValue]
-    }
-}
-

HealthImport/Database Entries/DBMetadataKey.swift

@@ -1,21 +0,0 @@
-import Foundation
-import SQLite
-
-struct DBMetadataKey {
-    
-    private static let table = Table("metadata_keys")
-    
-    private static let rowId = Expression<Int>("ROWID")
-    
-    private static let rowKey = Expression<String>("key")
-    
-    static func key(for keyId: Int, in database: Connection) throws -> String {
-        try database.prepare(table.filter(rowId == keyId).limit(1)).map { $0[rowKey] }.first!
-    }
-    
-    static func readAll(in database: Connection) throws -> [ Int: String] {
-        try database.prepare(table).reduce(into: [:]) {  dict, row in
-            dict[row[rowId]] = row[rowKey]
-        }
-    }
-}

HealthImport/Database Entries/DBWorkout.swift

@@ -1,45 +0,0 @@
-import Foundation
-import SQLite
-
-struct DBWorkout {
-    
-    private static let table = Table("workouts")
-    
-    private static let rowDataId = Expression<Int>("data_id")
-    
-    private static let rowTotalDistance = Expression<Double?>("total_distance")
-    
-    private static let rowGoalType = Expression<Int?>("goal_type")
-    
-    private static let rowGoal = Expression<Double?>("goal")
-    
-    private static let rowCondenserVersion = Expression<Int?>("condenser_version")
-    
-    private static let rowCondenserDate = Expression<Double?>("condenser_date")
-
-    static func readAll(in database: Connection) throws -> [Self] {
-        try database.prepare(table).map(Self.init(row:))
-    }
-
-    let dataId: Int
-    
-    let totalDistance: Double?
-    
-    let goalType: Int?
-    
-    let goal: Double?
-    
-    let condenserVersion: Int?
-    
-    let condenserDate: Double?
-    
-    init(row: Row) {
-        self.dataId = row[DBWorkout.rowDataId]
-        self.totalDistance = row[DBWorkout.rowTotalDistance]
-        self.goalType = row[DBWorkout.rowGoalType]
-        self.goal = row[DBWorkout.rowGoal]
-        self.condenserVersion = row[DBWorkout.rowCondenserVersion]
-        self.condenserDate = row[DBWorkout.rowCondenserDate]
-    }
-}
-

HealthImport/Database Entries/DBWorkoutActivity.swift

@@ -1,79 +0,0 @@
-import Foundation
-import SQLite
-
-struct DBWorkoutActivity {
-    
-    private static let table = Table("workout_activities")
-    
-    private static let rowId = Expression<Int>("ROWID")
-    
-    private static let rowUUID = Expression<Data>("uuid")
-    
-    private static let rowOwnerId = Expression<Int>("owner_id")
-    
-    private static let rowIsPrimaryActivity = Expression<Bool>("is_primary_activity")
-    
-    private static let rowActivityType = Expression<Int>("activity_type")
-    
-    private static let rowLocationType = Expression<Int>("location_type")
-    
-    private static let rowSwimmingLocationType = Expression<Int>("swimming_location_type")
-    
-    private static let rowLapLength = Expression<Data?>("lap_length")
-    
-    private static let rowStartDate = Expression<Double>("start_date")
-    
-    private static let rowEndDate = Expression<Double>("end_date")
-    
-    private static let rowDuration = Expression<Double>("duration")
-    
-    private static let rowMetadata = Expression<Data?>("metadata")
-    
-    static func readAll(in database: Connection) throws -> [Self] {
-        try database.prepare(table).map(Self.init)
-    }
-    
-    static func activities(for workoutId: Int, in database: Connection) throws -> [Self] {
-        try database.prepare(table.filter(rowOwnerId == workoutId)).map(Self.init)
-    }
-    
-    let id: Int
-    
-    let uuid: Data
-    
-    let ownerId: Int
-    
-    let isPrimaryActivity: Bool
-    
-    let activityType: Int
-    
-    let locationType: Int
-    
-    let swimmingLocationType: Int
-    
-    let lapLength: Data?
-    
-    #warning("Fix timezone for dates")
-    let startDate: Double
-    
-    let endDate: Double
-    
-    let duration: Double
-    
-    let metadata: Data?
-    
-    init(row: Row) {
-        self.id = row[DBWorkoutActivity.rowId]
-        self.uuid = row[DBWorkoutActivity.rowUUID]
-        self.ownerId = row[DBWorkoutActivity.rowOwnerId]
-        self.isPrimaryActivity = row[DBWorkoutActivity.rowIsPrimaryActivity]
-        self.activityType = row[DBWorkoutActivity.rowActivityType]
-        self.locationType = row[DBWorkoutActivity.rowLocationType]
-        self.swimmingLocationType = row[DBWorkoutActivity.rowSwimmingLocationType]
-        self.lapLength = row[DBWorkoutActivity.rowLapLength]
-        self.startDate = row[DBWorkoutActivity.rowStartDate]
-        self.endDate = row[DBWorkoutActivity.rowEndDate]
-        self.duration = row[DBWorkoutActivity.rowDuration]
-        self.metadata = row[DBWorkoutActivity.rowMetadata]
-    }
-}

HealthImport/Database Entries/DBWorkoutEvent.swift

@@ -1,53 +0,0 @@
-import Foundation
-import SQLite
-
-struct DBWorkoutEvent {
-    
-    private static let table = Table("workout_events")
-    
-    private static let rowOwnerId = Expression<Int>("owner_id")
-    
-    private static let rowDate = Expression<Double>("date")
-    
-    private static let rowType = Expression<Int>("type")
-    
-    private static let rowDuration = Expression<Double>("duration")
-    
-    private static let rowMetadata = Expression<Data?>("metadata")
-    
-    private static let rowSessionUUID = Expression<Data?>("session_uuid")
-    
-    private static let rowError = Expression<Data?>("error")
-    
-    static func readAll(in database: Connection) throws -> [Self] {
-        try database.prepare(table).map(Self.init)
-    }
-    
-    static func events(for workoutId: Int, in database: Connection) throws -> [Self] {
-        try database.prepare(table.filter(rowOwnerId == workoutId)).map(Self.init)
-    }
-    
-    let ownerId: Int
-    
-    let date: Double
-    
-    let type: Int
-    
-    let duration: Double
-    
-    let metadata: Data?
-    
-    let sessionUUID: Data?
-    
-    let error: Data?
-    
-    init(row: Row) {
-        self.ownerId = row[DBWorkoutEvent.rowOwnerId]
-        self.date = row[DBWorkoutEvent.rowDate]
-        self.type = row[DBWorkoutEvent.rowType]
-        self.duration = row[DBWorkoutEvent.rowDuration]
-        self.metadata = row[DBWorkoutEvent.rowMetadata]
-        self.sessionUUID = row[DBWorkoutEvent.rowSessionUUID]
-        self.error = row[DBWorkoutEvent.rowError]
-    }
-}

HealthImport/EventDetailView.swift

@@ -19,13 +19,6 @@ struct EventDetailView: View {
 
 #Preview {
     NavigationStack {
-        EventDetailView(event: .init(
+        EventDetailView(event: .mock1.first!)
-            date: .now,
-            type: .pause,
-            duration: 12.3,
-            metadata: .init(repeating: 42, count: 2),
-            sessionUUID: .init(repeating: 42, count: 3),
-            error: nil)
-        )
     }
 }

HealthImport/HealthDatabase.swift

@@ -1,42 +1,67 @@
 import Foundation
 import SQLite
+import CoreLocation
+
+typealias Database = Connection
 
 final class HealthDatabase: ObservableObject {
     
-    let fileUrl: URL
+    private let fileUrl: URL
 
-    let database: Connection
+    private let database: Connection
 
     @Published
     var workouts: [Workout] = []
     
-    init(fileUrl: URL) throws {
+    convenience init(fileUrl: URL) throws {
+        let database = try Connection(fileUrl.path)
+        self.init(fileUrl: fileUrl, database: database)
+    }
+
+    init(fileUrl: URL, database: Connection) {
         self.fileUrl = fileUrl
-        self.database = try Connection(fileUrl.path)
+        self.database = database
         DispatchQueue.global().async {
             self.readAllWorkouts()
         }
     }
 
     func readAllWorkouts() {
+        let workouts: [Workout]
         do {
-            let dbWorkouts = try DBWorkout.readAll(in: database)
+            workouts = try Workout.readAll(in: database)
-            let metadataKeys = try DBMetadataKey.readAll(in: database)
+        } catch {
-            let workouts = try dbWorkouts.map { entry in
+            print("Failed to read workouts: \(error)")
-                let events = try DBWorkoutEvent.events(for: entry.dataId, in: database)
+            return
-                let activities = try DBWorkoutActivity.activities(for: entry.dataId, in: database)
-                let metadata: [String : MetadataValue] = try DBMetadata.metadata(for: entry.dataId, in: database).reduce(into: [:]) { dict, item in
-                    let key = metadataKeys[item.keyId!]!
-                    dict[key] = MetadataValue(entry: item)
         }
-                return Workout(entry: entry, events: events, activities: activities, metadata: metadata)
-            }
-            
         DispatchQueue.main.async {
             self.workouts = workouts
         }
-        } catch {
+    }
-            print("Failed to read workouts: \(error)")
+
+    func locationSamples(for activity: WorkoutActivity) throws -> [LocationSample] {
+        try activity.locationSamples(in: database)
+    }
+
+    var activities: [WorkoutActivity] {
+        workouts.map { $0.activities }.joined().sorted()
+    }
+
+    private func testActivityOverlap() {
+        let activities = self.activities
+        var current = activities.first!
+        for next in activities.dropFirst() {
+            let overlap = next.startDate.timeIntervalSince(current.endDate)
+            if overlap < 0 {
+                print("Overlap \(-overlap.roundedInt) s:")
+                print("    Activity \(current.activityType.description): \(current.startDate.timeAndDateText) -> \(current.endDate.timeAndDateText)")
+                print("    Activity \(next.activityType.description): \(next.startDate.timeAndDateText) -> \(next.endDate.timeAndDateText)")
+            }
+            current = next
         }
     }
+
+    convenience init(database: Database) {
+        self.init(fileUrl: .init(filePath: "/"), database: database)
+    }
 }

HealthImport/HealthImportApp.swift

@@ -1,17 +1,20 @@
-//
-//  HealthImportApp.swift
-//  HealthImport
-//
-//  Created by iMac on 20.01.24.
-//
-
 import SwiftUI
 
 @main
 struct HealthImportApp: App {
+
     var body: some Scene {
         WindowGroup {
-            ContentView()
+            ContentView(database: .init())
         }
     }
 }
+
+private extension HealthDatabase {
+
+    static let databaseFileUrl = Bundle.main.url(forResource: "healthdb_secure", withExtension: "sqlite")
+
+    convenience init() {
+        try! self.init(fileUrl: HealthDatabase.databaseFileUrl!)
+    }
+}

HealthImport/LocationSampleDetailView.swift

@@ -0,0 +1,29 @@
+import SwiftUI
+
+struct LocationSampleDetailView: View {
+
+    let location: LocationSample
+
+    var body: some View {
+        List {
+            DetailRow("Timestamp", date: location.timestamp)
+            DetailRow("Latitude", 
+                      value: location.coordinate.latitude.asDegrees(decimals: 8))
+            DetailRow("Longitude", value: location.coordinate.longitude.asDegrees(decimals: 8))
+            DetailRow("Hor. accuracy", value: location.horizontalAccuracy.meter)
+            DetailRow("Altitude", value: location.altitude.meter)
+            DetailRow("Ver. accuracy", value: location.verticalAccuracy.meter)
+            DetailRow("Speed", value: location.speed.speedAsMetersPerSecond)
+            DetailRow("Speed accuracy", value: location.speedAccuracy.speedAsMetersPerSecond)
+            DetailRow("Course", value: location.course.asDegrees())
+            DetailRow("Course accuracy", value: location.courseAccuracy.asDegrees())
+        }
+        .navigationTitle("Location")
+    }
+}
+
+#Preview {
+    NavigationStack {
+        LocationSampleDetailView(location: .mock)
+    }
+}

HealthImport/LocationSampleListView.swift

@@ -0,0 +1,26 @@
+import SwiftUI
+
+struct LocationSampleListView: View {
+
+    let samples: [LocationSample]
+
+    var body: some View {
+        List {
+            ForEach(samples, id: \.timestamp) { location in
+                NavigationLink(value: location) {
+                    DetailRow("", value: location.timestamp.timeAndDateWithSecondsText)
+                }
+            }
+        }
+        .navigationTitle("Locations")
+        .navigationDestination(for: LocationSample.self) {
+            LocationSampleDetailView(location: $0)
+        }
+    }
+}
+
+#Preview {
+    NavigationStack {
+        LocationSampleListView(samples: [.mock])
+    }
+}

HealthImport/Model/LocationSample.swift

@@ -0,0 +1,71 @@
+import Foundation
+import SQLite
+import CoreLocation
+
+typealias LocationSample = CLLocation
+
+extension LocationSample {
+
+    private static let table = Table("location_series_data")
+
+    /// `location_series_data[series_identifier]` <-> `workout_activities[ROW_ID]`
+    private static let rowSeriesIdentifier = Expression<Int>("series_identifier")
+
+    private static let rowTimestamp = Expression<Double>("timestamp")
+
+    private static let rowLongitude = Expression<Double>("longitude")
+
+    private static let rowLatitude = Expression<Double>("latitude")
+
+    private static let rowAltitude = Expression<Double>("altitude")
+
+    private static let rowSpeed = Expression<Double>("speed")
+
+    private static let rowCourse = Expression<Double>("course")
+
+    private static let rowHorizontalAccuracy = Expression<Double>("horizontal_accuracy")
+
+    private static let rowVerticalAccuracy = Expression<Double>("vertical_accuracy")
+
+    private static let rowSpeedAccuracy = Expression<Double>("speed_accuracy")
+
+    private static let rowCourseAccuracy = Expression<Double>("course_accuracy")
+
+    private static let rowSignalEnvironment = Expression<Double>("signal_environment")
+
+    static func locationSamples(for seriesId: Int, in database: Database) throws -> [LocationSample] {
+        try database.prepare(table.filter(rowSeriesIdentifier == seriesId)).map(location)
+    }
+
+    static func locationSampleCount(for seriesId: Int, in database: Database) throws -> Int {
+        try database.scalar(table.filter(rowSeriesIdentifier == seriesId).count)
+    }
+
+    static func locationSamples(from start: Date, to end: Date, in database: Database) throws -> [LocationSample] {
+        let startTime = start.timeIntervalSinceReferenceDate
+        let endTime = end.timeIntervalSinceReferenceDate
+        return try database.prepare(table.filter(rowTimestamp >= startTime && rowTimestamp <= endTime)).map(location)
+    }
+
+    static func locationSampleCount(from start: Date, to end: Date, in database: Database) throws -> Int {
+        let startTime = start.timeIntervalSinceReferenceDate
+        let endTime = end.timeIntervalSinceReferenceDate
+        return try database.scalar(table.filter(rowTimestamp >= startTime && rowTimestamp <= endTime).count)
+    }
+
+    private static func location(row: Row) -> LocationSample {
+        .init(
+            coordinate: .init(
+                latitude: row[rowLatitude],
+                longitude: row[rowLongitude]),
+            altitude: row[rowAltitude],
+            horizontalAccuracy: row[rowHorizontalAccuracy],
+            verticalAccuracy: row[rowHorizontalAccuracy],
+            course: row[rowCourse],
+            courseAccuracy: row[rowCourseAccuracy],
+            speed: row[rowSpeed],
+            speedAccuracy: row[rowSpeedAccuracy],
+            timestamp: .init(timeIntervalSinceReferenceDate: row[rowTimestamp]),
+            sourceInfo: .init())
+    }
+}

HealthImport/Model/Metadata.swift

@@ -0,0 +1,29 @@
+import Foundation
+import SQLite
+
+enum Metadata {
+
+    static func allKeys(in database: Database) throws -> [Int : Key] {
+        try Key.readAll(in: database)
+    }
+
+    static func createTables(in database: Connection) throws {
+        try Value.createTable(in: database)
+        try Key.createTable(in: database)
+    }
+
+    static func metadata(for workoutId: Int, in database: Connection, keyMap: [Int : Key]) throws -> [Key : Value] {
+        return try Value.metadata(for: workoutId, in: database).reduce(into: [:]) { dict, entry in
+            guard let key = keyMap[entry.keyId] else {
+                print("No '\(entry.keyId)' in table 'metadata_keys'")
+                return
+            }
+            dict[key] = entry.value
+        }
+    }
+
+    static func insert(_ value: Value, for key: Key, of workoutId: Int, in database: Connection) throws {
+        let keyId = try Metadata.Key.hasKey(key, in: database) ?? Metadata.Key.insert(key: key, in: database)
+        try Value.insert(value, of: workoutId, for: keyId, in: database)
+    }
+}

HealthImport/Model/MetadataKey+SQLite.swift

@@ -0,0 +1,38 @@
+import Foundation
+import SQLite
+
+extension Metadata.Key {
+
+    private static let table = Table("metadata_keys")
+
+    private static let columnId = Expression<Int>("ROWID")
+
+    private static let columnKey = Expression<String>("key")
+
+    static func key(for keyId: Int, in database: Connection) throws -> String {
+        try database.prepare(table.filter(columnId == keyId).limit(1)).map { $0[columnKey] }.first!
+    }
+
+    static func readAll(in database: Connection) throws -> [Int : Self] {
+        try database.prepare(table).reduce(into: [:]) {  dict, row in
+            dict[row[columnId]] = .init(rawValue: row[columnKey])
+        }
+    }
+
+    static func createTable(in database: Connection) throws {
+        //try database.execute("CREATE TABLE metadata_keys (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, key TEXT UNIQUE)")
+        try database.run(table.create { table in
+            table.column(columnId, primaryKey: .autoincrement)
+            table.column(columnKey, unique: true)
+        })
+    }
+
+    static func hasKey(_ key: Self, in database: Connection) throws -> Int? {
+        try database.prepare(table.filter(columnKey == key.rawValue).limit(1)).map { $0[columnId] }.first
+    }
+
+    static func insert(key: Self, in database: Connection) throws -> Int {
+        Int(try database.run(table.insert(columnKey <- key.rawValue)))
+    }
+
+}

HealthImport/Model/MetadataKey.swift

@@ -0,0 +1,325 @@
+import Foundation
+
+extension Metadata {
+
+    enum Key {
+        case wasUserEntered
+        case heartRateSensorLocation
+        case sessionId
+        case timeZone
+        case subIndex
+        case indoorWorkout
+        case privateMediaSourceBundleIdentifier
+        case sexualActivityProtectionUsed
+        case privateSleepAlarmUserWakeTime
+        case privateSleepAlarmUserSetBedtime
+        case devicePlacementSide
+        case privateHeadphoneAudioDataIsTransient
+        case privateCoreMotionSourceIdentifier
+        case privateHeartRateContext
+        case algorithmVersion
+        case privateAppleHeartbeatSeriesAlgorithmVersion
+        case barometricPressure
+        case privateBloodOxygenContext
+        case privateHeartbeatSequenceContext
+        case appleECGAlgorithmVersion
+        case privateRegulatedUpdateVersion
+        case privateActivitySummaryIndex
+        case privateDeepBreathingEndReason
+        case privateDeepBreathingFinalHeartRate
+        case privateMindfulnessSessionType
+        case privateWorkoutAverageHeartRate
+        case privateWorkoutMaxHeartRate
+        case privateWeatherCondition
+        case privateWorkoutWeatherLocationCoordinatesLongitude
+        case privateWorkoutMinHeartRate
+        case privateWorkoutWasInDaytime
+        case privateWorkoutActivityMoveMode
+        case averageMETs
+        case privateWorkoutWeatherLocationCoordinatesLatitude
+        case privateLostGPSAtSomePoint
+        case weatherTemperature
+        case privateWorkoutMinGroundElevation
+        case weatherHumidity
+        case privateWorkoutMaxGroundElevation
+        case elevationAscended
+        case privateWorkoutAverageCadence
+        case vO2MaxTestType
+        case privateUserOnBetaBlocker
+        case swimmingLocationType
+        case lapLength
+        case swimmingStrokeStyle
+        case audioExposureLevel
+        case privateAudioExposureLimit
+        case dateOfEarliestDataUsedForEstimate
+        case appleDeviceCalibrated
+        case heartRateEventThreshold
+        case privateHeartRateEventThreshold
+        case privateWorkoutTargetZoneMax
+        case privateWorkoutTargetZoneType
+        case privateWorkoutTargetZoneMin
+        case privateFallActionRequested
+        case glassesPrescriptionDescription
+        case privateWorkoutElapsedTimeInHeartRateZones
+        case privateWorkoutWeatherSourceName
+        case privateWorkoutHeartRateZones
+        case privateWorkoutConfiguration
+        case privateWorkoutHeartRateZonesConfigurationType
+        case privateWorkoutAveragePower
+        case privateMetricPlatterStatistics
+        case userMotionContext
+        case heartRateRecoveryActivityDuration
+        case heartRateRecoveryTestType
+        case heartRateRecoveryMaxObservedRecoveryHeartRate
+        case heartRateRecoveryActivityType
+        case sessionEstimate
+        case privateWorkoutExtendedMode
+        case unknown(String)
+    }
+}
+
+extension Metadata.Key: RawRepresentable {
+
+    init?(rawValue: String) {
+        switch rawValue {
+        case "HKWasUserEntered": self = .wasUserEntered
+        case "HKHeartRateSensorLocation": self = .heartRateSensorLocation
+        case "sessionId": self = .sessionId
+        case "HKTimeZone": self = .timeZone
+        case "subIndex": self = .subIndex
+        case "HKIndoorWorkout": self = .indoorWorkout
+        case "_HKPrivateMediaSourceBundleIdentifier": self = .privateMediaSourceBundleIdentifier
+        case "HKSexualActivityProtectionUsed": self = .sexualActivityProtectionUsed
+        case "_HKPrivateSleepAlarmUserWakeTime": self = .privateSleepAlarmUserWakeTime
+        case "_HKPrivateSleepAlarmUserSetBedtime": self = .privateSleepAlarmUserSetBedtime
+        case "HKMetadataKeyDevicePlacementSide": self = .devicePlacementSide
+        case "_HKPrivateMetadataKeyHeadphoneAudioDataIsTransient": self = .privateHeadphoneAudioDataIsTransient
+        case "_HKPrivateCoreMotionSourceIdentifier": self = .privateCoreMotionSourceIdentifier
+        case "_HKPrivateHeartRateContext": self = .privateHeartRateContext
+        case "HKAlgorithmVersion": self = .algorithmVersion
+        case "_HKPrivateMetadataKeyAppleHeartbeatSeriesAlgorithmVersion": self = .privateAppleHeartbeatSeriesAlgorithmVersion
+        case "HKMetadataKeyBarometricPressure": self = .barometricPressure
+        case "_HKPrivateBloodOxygenContext": self = .privateBloodOxygenContext
+        case "_HKPrivateHeartbeatSequenceContext": self = .privateHeartbeatSequenceContext
+        case "HKMetadataKeyAppleECGAlgorithmVersion": self = .appleECGAlgorithmVersion
+        case "_HKPrivateMetadataKeyRegulatedUpdateVersion": self = .privateRegulatedUpdateVersion
+        case "_HKPrivateActivitySummaryIndex": self = .privateActivitySummaryIndex
+        case "_HKPrivateDeepBreathingEndReason": self = .privateDeepBreathingEndReason
+        case "_HKPrivateDeepBreathingFinalHeartRate": self = .privateDeepBreathingFinalHeartRate
+        case "_HKPrivateMetadataMindfulnessSessionType": self = .privateMindfulnessSessionType
+        case "_HKPrivateWorkoutAverageHeartRate": self = .privateWorkoutAverageHeartRate
+        case "_HKPrivateWorkoutMaxHeartRate": self = .privateWorkoutMaxHeartRate
+        case "_HKPrivateWeatherCondition": self = .privateWeatherCondition
+        case "_HKPrivateWorkoutWeatherLocationCoordinatesLongitude": self = .privateWorkoutWeatherLocationCoordinatesLongitude
+        case "_HKPrivateWorkoutMinHeartRate": self = .privateWorkoutMinHeartRate
+        case "_HKPrivateWorkoutWasInDaytime": self = .privateWorkoutWasInDaytime
+        case "_HKPrivateWorkoutActivityMoveMode": self = .privateWorkoutActivityMoveMode
+        case "HKAverageMETs": self = .averageMETs
+        case "_HKPrivateWorkoutWeatherLocationCoordinatesLatitude": self = .privateWorkoutWeatherLocationCoordinatesLatitude
+        case "_HKPrivateMetadataKeyLostGPSAtSomePoint": self = .privateLostGPSAtSomePoint
+        case "HKWeatherTemperature": self = .weatherTemperature
+        case "_HKPrivateWorkoutMinGroundElevation": self = .privateWorkoutMinGroundElevation
+        case "HKWeatherHumidity": self = .weatherHumidity
+        case "_HKPrivateWorkoutMaxGroundElevation": self = .privateWorkoutMaxGroundElevation
+        case "HKElevationAscended": self = .elevationAscended
+        case "_HKPrivateWorkoutAverageCadence": self = .privateWorkoutAverageCadence
+        case "HKVO2MaxTestType": self = .vO2MaxTestType
+        case "_HKPrivateMetadataKeyUserOnBetaBlocker": self = .privateUserOnBetaBlocker
+        case "HKSwimmingLocationType": self = .swimmingLocationType
+        case "HKLapLength": self = .lapLength
+        case "HKSwimmingStrokeStyle": self = .swimmingStrokeStyle
+        case "HKMetadataKeyAudioExposureLevel": self = .audioExposureLevel
+        case "_HKPrivateMetadataKeyAudioExposureLimit": self = .privateAudioExposureLimit
+        case "HKDateOfEarliestDataUsedForEstimate": self = .dateOfEarliestDataUsedForEstimate
+        case "HKMetadataKeyAppleDeviceCalibrated": self = .appleDeviceCalibrated
+        case "HKHeartRateEventThreshold": self = .heartRateEventThreshold
+        case "_HKPrivateMetadataKeyHeartRateEventThreshold": self = .privateHeartRateEventThreshold
+        case "_HKPrivateWorkoutTargetZoneMax": self = .privateWorkoutTargetZoneMax
+        case "_HKPrivateWorkoutTargetZoneType": self = .privateWorkoutTargetZoneType
+        case "_HKPrivateWorkoutTargetZoneMin": self = .privateWorkoutTargetZoneMin
+        case "_HKPrivateFallActionRequested": self = .privateFallActionRequested
+        case "HKMetadataKeyGlassesPrescriptionDescription": self = .glassesPrescriptionDescription
+        case "_HKPrivateWorkoutElapsedTimeInHeartRateZones": self = .privateWorkoutElapsedTimeInHeartRateZones
+        case "_HKPrivateWorkoutWeatherSourceName": self = .privateWorkoutWeatherSourceName
+        case "_HKPrivateWorkoutHeartRateZones": self = .privateWorkoutHeartRateZones
+        case "_HKPrivateWorkoutConfiguration": self = .privateWorkoutConfiguration
+        case "_HKPrivateWorkoutHeartRateZonesConfigurationType": self = .privateWorkoutHeartRateZonesConfigurationType
+        case "_HKPrivateWorkoutAveragePower": self = .privateWorkoutAveragePower
+        case "_HKPrivateMetadataKeyMetricPlatterStatistics": self = .privateMetricPlatterStatistics
+        case "HKMetadataKeyUserMotionContext": self = .userMotionContext
+        case "HKMetadataKeyHeartRateRecoveryActivityDuration": self = .heartRateRecoveryActivityDuration
+        case "HKMetadataKeyHeartRateRecoveryTestType": self = .heartRateRecoveryTestType
+        case "HKMetadataKeyHeartRateRecoveryMaxObservedRecoveryHeartRate": self = .heartRateRecoveryMaxObservedRecoveryHeartRate
+        case "HKMetadataKeyHeartRateRecoveryActivityType": self = .heartRateRecoveryActivityType
+        case "HKMetadataKeySessionEstimate": self = .sessionEstimate
+        case "_HKPrivateWorkoutExtendedMode": self = .privateWorkoutExtendedMode
+        default:
+            self = .unknown(rawValue)
+        }
+    }
+
+    var rawValue: String {
+        switch self {
+        case .wasUserEntered: return "HKWasUserEntered"
+        case .heartRateSensorLocation: return "HKHeartRateSensorLocation"
+        case .sessionId: return "sessionId"
+        case .timeZone: return "HKTimeZone"
+        case .subIndex: return "subIndex"
+        case .indoorWorkout: return "HKIndoorWorkout"
+        case .privateMediaSourceBundleIdentifier: return "_HKPrivateMediaSourceBundleIdentifier"
+        case .sexualActivityProtectionUsed: return "HKSexualActivityProtectionUsed"
+        case .privateSleepAlarmUserWakeTime: return "_HKPrivateSleepAlarmUserWakeTime"
+        case .privateSleepAlarmUserSetBedtime: return "_HKPrivateSleepAlarmUserSetBedtime"
+        case .devicePlacementSide: return "HKMetadataKeyDevicePlacementSide"
+        case .privateHeadphoneAudioDataIsTransient: return "_HKPrivateMetadataKeyHeadphoneAudioDataIsTransient"
+        case .privateCoreMotionSourceIdentifier: return "_HKPrivateCoreMotionSourceIdentifier"
+        case .privateHeartRateContext: return "_HKPrivateHeartRateContext"
+        case .algorithmVersion: return "HKAlgorithmVersion"
+        case .privateAppleHeartbeatSeriesAlgorithmVersion: return "_HKPrivateMetadataKeyAppleHeartbeatSeriesAlgorithmVersion"
+        case .barometricPressure: return "HKMetadataKeyBarometricPressure"
+        case .privateBloodOxygenContext: return "_HKPrivateBloodOxygenContext"
+        case .privateHeartbeatSequenceContext: return "_HKPrivateHeartbeatSequenceContext"
+        case .appleECGAlgorithmVersion: return "HKMetadataKeyAppleECGAlgorithmVersion"
+        case .privateRegulatedUpdateVersion: return "_HKPrivateMetadataKeyRegulatedUpdateVersion"
+        case .privateActivitySummaryIndex: return "_HKPrivateActivitySummaryIndex"
+        case .privateDeepBreathingEndReason: return "_HKPrivateDeepBreathingEndReason"
+        case .privateDeepBreathingFinalHeartRate: return "_HKPrivateDeepBreathingFinalHeartRate"
+        case .privateMindfulnessSessionType: return "_HKPrivateMetadataMindfulnessSessionType"
+        case .privateWorkoutAverageHeartRate: return "_HKPrivateWorkoutAverageHeartRate"
+        case .privateWorkoutMaxHeartRate: return "_HKPrivateWorkoutMaxHeartRate"
+        case .privateWeatherCondition: return "_HKPrivateWeatherCondition"
+        case .privateWorkoutWeatherLocationCoordinatesLongitude: return "_HKPrivateWorkoutWeatherLocationCoordinatesLongitude"
+        case .privateWorkoutMinHeartRate: return "_HKPrivateWorkoutMinHeartRate"
+        case .privateWorkoutWasInDaytime: return "_HKPrivateWorkoutWasInDaytime"
+        case .privateWorkoutActivityMoveMode: return "_HKPrivateWorkoutActivityMoveMode"
+        case .averageMETs: return "HKAverageMETs"
+        case .privateWorkoutWeatherLocationCoordinatesLatitude: return "_HKPrivateWorkoutWeatherLocationCoordinatesLatitude"
+        case .privateLostGPSAtSomePoint: return "_HKPrivateMetadataKeyLostGPSAtSomePoint"
+        case .weatherTemperature: return "HKWeatherTemperature"
+        case .privateWorkoutMinGroundElevation: return "_HKPrivateWorkoutMinGroundElevation"
+        case .weatherHumidity: return "HKWeatherHumidity"
+        case .privateWorkoutMaxGroundElevation: return "_HKPrivateWorkoutMaxGroundElevation"
+        case .elevationAscended: return "HKElevationAscended"
+        case .privateWorkoutAverageCadence: return "_HKPrivateWorkoutAverageCadence"
+        case .vO2MaxTestType: return "HKVO2MaxTestType"
+        case .privateUserOnBetaBlocker: return "_HKPrivateMetadataKeyUserOnBetaBlocker"
+        case .swimmingLocationType: return "HKSwimmingLocationType"
+        case .lapLength: return "HKLapLength"
+        case .swimmingStrokeStyle: return "HKSwimmingStrokeStyle"
+        case .audioExposureLevel: return "HKMetadataKeyAudioExposureLevel"
+        case .privateAudioExposureLimit: return "_HKPrivateMetadataKeyAudioExposureLimit"
+        case .dateOfEarliestDataUsedForEstimate: return "HKDateOfEarliestDataUsedForEstimate"
+        case .appleDeviceCalibrated: return "HKMetadataKeyAppleDeviceCalibrated"
+        case .heartRateEventThreshold: return "HKHeartRateEventThreshold"
+        case .privateHeartRateEventThreshold: return "_HKPrivateMetadataKeyHeartRateEventThreshold"
+        case .privateWorkoutTargetZoneMax: return "_HKPrivateWorkoutTargetZoneMax"
+        case .privateWorkoutTargetZoneType: return "_HKPrivateWorkoutTargetZoneType"
+        case .privateWorkoutTargetZoneMin: return "_HKPrivateWorkoutTargetZoneMin"
+        case .privateFallActionRequested: return "_HKPrivateFallActionRequested"
+        case .glassesPrescriptionDescription: return "HKMetadataKeyGlassesPrescriptionDescription"
+        case .privateWorkoutElapsedTimeInHeartRateZones: return "_HKPrivateWorkoutElapsedTimeInHeartRateZones"
+        case .privateWorkoutWeatherSourceName: return "_HKPrivateWorkoutWeatherSourceName"
+        case .privateWorkoutHeartRateZones: return "_HKPrivateWorkoutHeartRateZones"
+        case .privateWorkoutConfiguration: return "_HKPrivateWorkoutConfiguration"
+        case .privateWorkoutHeartRateZonesConfigurationType: return "_HKPrivateWorkoutHeartRateZonesConfigurationType"
+        case .privateWorkoutAveragePower: return "_HKPrivateWorkoutAveragePower"
+        case .privateMetricPlatterStatistics: return "_HKPrivateMetadataKeyMetricPlatterStatistics"
+        case .userMotionContext: return "HKMetadataKeyUserMotionContext"
+        case .heartRateRecoveryActivityDuration: return "HKMetadataKeyHeartRateRecoveryActivityDuration"
+        case .heartRateRecoveryTestType: return "HKMetadataKeyHeartRateRecoveryTestType"
+        case .heartRateRecoveryMaxObservedRecoveryHeartRate: return "HKMetadataKeyHeartRateRecoveryMaxObservedRecoveryHeartRate"
+        case .heartRateRecoveryActivityType: return "HKMetadataKeyHeartRateRecoveryActivityType"
+        case .sessionEstimate: return "HKMetadataKeySessionEstimate"
+        case .privateWorkoutExtendedMode: return "_HKPrivateWorkoutExtendedMode"
+        case .unknown(let rawValue):
+            return rawValue
+        }
+    }
+}
+
+extension Metadata.Key: Hashable {
+
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(rawValue)
+    }
+}
+
+extension Metadata.Key: CustomStringConvertible {
+
+    var description: String {
+        switch self {
+        case .wasUserEntered: return "Entered by user"
+        case .heartRateSensorLocation: return "Location of Heart Rate Sensor"
+        case .sessionId: return "Session ID"
+        case .timeZone: return "Timezone"
+        case .subIndex: return "Sub-Index"
+        case .indoorWorkout: return "Indoor Workout"
+        case .sexualActivityProtectionUsed: return "Protection Used for Sexual Activity"
+        case .privateMediaSourceBundleIdentifier: return "Media Source Bundle Identifier (private)"
+        case .privateSleepAlarmUserWakeTime: return "Sleep Alarm User Wake Time (private)"
+        case .privateSleepAlarmUserSetBedtime: return "Sleep Alarm User Set Bedtime (private)"
+        case .devicePlacementSide: return "Device Placement Side"
+        case .privateHeadphoneAudioDataIsTransient: return "Headphone Audio Data is Transient (private)"
+        case .privateCoreMotionSourceIdentifier: return "Core Motion Source Identifier (private)"
+        case .privateHeartRateContext: return "Heart Rate Context (private)"
+        case .algorithmVersion: return "Algorithm Version"
+        case .privateAppleHeartbeatSeriesAlgorithmVersion: return "Apple Heartbeat Series Algorithm Version (private)"
+        case .barometricPressure: return "Barometric Pressure"
+        case .privateBloodOxygenContext: return "Blood Oxygen Context (private)"
+        case .privateHeartbeatSequenceContext: return "Heartbeat Sequence Context (private)"
+        case .appleECGAlgorithmVersion: return "Apple ECG Algorithm Version"
+        case .privateRegulatedUpdateVersion: return "Regulated Update Version (private)"
+        case .privateActivitySummaryIndex: return "Activity Summary Index (private)"
+        case .privateDeepBreathingEndReason: return "Reason for End of Deep Breathing (private)"
+        case .privateDeepBreathingFinalHeartRate: return "Deep Breathing Final Heart Rate (private)"
+        case .privateMindfulnessSessionType: return "Mindfulness Session Type (private)"
+        case .privateWorkoutAverageHeartRate: return "Average Workout Heart Rate (private)"
+        case .privateWorkoutMaxHeartRate: return "Maximum Workout Heart Rate (private)"
+        case .privateWorkoutMinHeartRate: return "Minimum Workout Heart Rate (private)"
+        case .privateWorkoutWasInDaytime: return "Workout Was in Daytime (private)"
+        case .privateWorkoutActivityMoveMode: return "Workout Activity Move Mode (private)"
+        case .averageMETs: return "Average METs"
+        case .privateWorkoutWeatherLocationCoordinatesLatitude: return "Workout Weather Location Latitude (private)"
+        case .privateWorkoutWeatherLocationCoordinatesLongitude: return "Workout Weather Location Longitude (private)"
+        case .privateLostGPSAtSomePoint: return "Lost GPS At Some Point (private)"
+        case .privateWeatherCondition: return "Weather Condition (private)"
+        case .weatherTemperature: return "Weather Temperature"
+        case .weatherHumidity: return "Weather Humidity"
+        case .privateWorkoutMinGroundElevation: return "Minimum Ground Elevation for Workout (private)"
+        case .privateWorkoutMaxGroundElevation: return "Maximum Ground Elevation for Workout (private)"
+        case .elevationAscended: return "Ascended Elevation"
+        case .privateWorkoutAverageCadence: return "Average Workout Cadence (private)"
+        case .vO2MaxTestType: return "VO2Max Test Type"
+        case .privateUserOnBetaBlocker: return "User is on Beta Blocker (private)"
+        case .swimmingLocationType: return "Swimming Location Type"
+        case .lapLength: return "Lap Length"
+        case .swimmingStrokeStyle: return "Swimming Stroke Style"
+        case .audioExposureLevel: return "Audio Exposure Level"
+        case .privateAudioExposureLimit: return "Audio Exposure Limit (private)"
+        case .dateOfEarliestDataUsedForEstimate: return "Date of Earliest Data Used for Estimate"
+        case .appleDeviceCalibrated: return "Apple Device Calibrated"
+        case .heartRateEventThreshold: return "Heart Rate Event Threshold"
+        case .privateHeartRateEventThreshold: return "Heart Rate Event Threshold (private)"
+        case .privateWorkoutTargetZoneMax: return "Workout Target Zone Maximum (private)"
+        case .privateWorkoutTargetZoneType: return "Workout Target Zone Type (private)"
+        case .privateWorkoutTargetZoneMin: return "Workout Target Zone Minimum (private)"
+        case .privateFallActionRequested: return "Requested Fall Action (private)"
+        case .glassesPrescriptionDescription: return "Glasses Prescription Description"
+        case .privateWorkoutElapsedTimeInHeartRateZones: return "Workout Elapsed Time in Heart Rate Zones (private)"
+        case .privateWorkoutWeatherSourceName: return "Workout Weather Source Name (private)"
+        case .privateWorkoutHeartRateZones: return "Workout Heart Rate Zones (private)"
+        case .privateWorkoutConfiguration: return "Workout Configuration (private)"
+        case .privateWorkoutHeartRateZonesConfigurationType: return "Workout Heart Rate Zones Configuration Type (private)"
+        case .privateWorkoutAveragePower: return "Average Workout Power (private)"
+        case .privateMetricPlatterStatistics: return "Metric Platter Statistics (private)"
+        case .userMotionContext: return "User Motion Context"
+        case .heartRateRecoveryActivityDuration: return "Heart Rate Recovery Activity Duration"
+        case .heartRateRecoveryActivityType: return "Heart Rate Recovery Activity Type"
+        case .heartRateRecoveryTestType: return "Heart Rate Recovery Test Type"
+        case .heartRateRecoveryMaxObservedRecoveryHeartRate: return "Max. Observed Recovery Heart Rate"
+        case .sessionEstimate: return "Session Estimate"
+        case .privateWorkoutExtendedMode: return "Extended Workout Mode (private)"
+        case .unknown(let string): return string
+        }
+    }
+}

HealthImport/Model/MetadataValue+SQLite.swift

@@ -0,0 +1,124 @@
+import Foundation
+import SQLite
+
+extension Metadata.Value {
+
+    private static let table = Table("metadata_values")
+    
+    private static let columnRowId = Expression<Int>("ROW_ID")
+
+    private static let columnKeyId = Expression<Int?>("key_id")
+
+    private static let columnObjectId = Expression<Int?>("object_id")
+    
+    private static let columnValueType = Expression<Int>("value_type")
+    
+    private static let columnStringValue = Expression<String?>("string_value")
+    
+    private static let columnNumericalValue = Expression<Double?>("numerical_value")
+    
+    private static let columnDateValue = Expression<Double?>("date_value")
+    
+    private static let columnDataValue = Expression<Data?>("data_value")
+    
+    private static func readAll(in database: Connection) throws -> [Self] {
+        try database.prepare(table).map(from)
+    }
+
+    static func metadata(for workoutId: Int, in database: Connection) throws -> [Self] {
+        try database.prepare(table.filter(columnObjectId == workoutId)).map(from)
+    }
+
+    static func metadata(for workoutId: Int, in database: Connection) throws -> [(keyId: Int, value: Self)] {
+        try database.prepare(table.filter(columnObjectId == workoutId)).compactMap { row in
+            guard let keyId = row[columnKeyId] else {
+                print("Found 'key_id == NULL' for metadata value of workout \(workoutId)")
+                return nil
+            }
+            return (keyId, from(row: row))
+        }
+    }
+
+    static func createTable(in database: Connection) throws {
+        //try database.execute("CREATE TABLE metadata_values (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, key_id INTEGER, object_id INTEGER, value_type INTEGER NOT NULL DEFAULT 0, string_value TEXT, numerical_value REAL, date_value REAL, data_value BLOB)")
+        try database.run(table.create { table in
+            table.column(columnRowId, primaryKey: .autoincrement)
+            table.column(columnKeyId)
+            table.column(columnObjectId)
+            table.column(columnValueType, defaultValue: 0)
+            table.column(columnStringValue)
+            table.column(columnNumericalValue)
+            table.column(columnDateValue)
+            table.column(columnDataValue)
+        })
+    }
+
+    static func insert(_ element: Self, of workoutId: Int, for keyId: Int, in database: Connection) throws {
+        try database.run(table.insert(
+            columnKeyId <- keyId,
+            columnObjectId <- workoutId,
+            columnValueType <- element.valueType.rawValue,
+            columnStringValue <- element.stringValue,
+            columnNumericalValue <- element.numericalValue,
+            columnDateValue <- element.dateValue,
+            columnDataValue <- element.dataValue
+        ))
+    }
+}
+
+private extension Metadata.Value {
+
+    var stringValue: String? {
+        if case let .string(value) = self {
+            return value
+        }
+        if case let .numerical(_, unit) = self {
+            return unit
+        }
+        return nil
+    }
+
+    var numericalValue: Double? {
+        if case let .number(value) = self {
+            return value
+        }
+        if case let .numerical(value: value, unit: _) = self {
+            return value
+        }
+        return nil
+    }
+
+    var dateValue: Double? {
+        if case let .date(value: date) = self {
+            return date.timeIntervalSinceReferenceDate
+        }
+        return nil
+    }
+
+    var dataValue: Data? {
+        if case let .data(data) = self {
+            return data
+        }
+        return nil
+    }
+}
+
+
+extension Metadata.Value {
+
+    static func from(row: Row) -> Self {
+        let valueType = ValueType(rawValue: row[columnValueType])!
+        switch valueType {
+        case .string:
+            return .string(value: row[columnStringValue]!)
+        case .number:
+            return .number(value: row[columnNumericalValue]!)
+        case .date:
+            return .date(value: .init(timeIntervalSinceReferenceDate: row[columnDateValue]!))
+        case .numerical:
+            return .numerical(value: row[columnNumericalValue]!, unit: row[columnStringValue]!)
+        case .data:
+            return .data(value: row[columnDataValue]!)
+        }
+    }
+}

HealthImport/Model/MetadataValue.swift

@@ -1,6 +1,8 @@
 import Foundation
 
-enum MetadataValue {
+extension Metadata {
+
+    enum Value {
 
         case string(value: String)
         case number(value: Double)
@@ -25,28 +27,20 @@ enum MetadataValue {
             /// Uses only the `data_value` column
             case data = 4
         }
+
+        var valueType: ValueType {
+            switch self {
+            case .string: return .string
+            case .number: return .number
+            case .date: return .date
+            case .numerical: return .numerical
+            case .data: return .data
             }
-
-extension MetadataValue {
-    
-    init(entry: DBMetadata) {
-        let valueType = ValueType(rawValue: entry.valueType)!
-        switch valueType {
-        case .string:
-            self = .string(value: entry.string!)
-        case .number:
-            self = .number(value: entry.number!)
-        case .date:
-            self = .date(value: .init(timeIntervalSinceReferenceDate: entry.date!))
-        case .numerical:
-            self = .numerical(value: entry.number!, unit: entry.string!)
-        case .data:
-            self = .data(value: entry.data!)
         }
     }
 }
 
-extension MetadataValue: CustomStringConvertible {
+extension Metadata.Value: CustomStringConvertible {
     
     var description: String {
         switch self {

HealthImport/Model/Sample+Quantity.swift

@@ -0,0 +1,23 @@
+import Foundation
+import SQLite
+
+extension Sample {
+
+    private static let table = Table("quantity_samples")
+
+    private static let rowDataId = Expression<Int>("data_id")
+
+    // NOTE: Technically optional
+    private static let rowQuantity = Expression<Double>("quantity")
+
+    private static let rowOriginalQuantity = Expression<Double?>("original_quantity")
+
+    /// References `ROW_ID` on table `unit_strings`
+    private static let rowOriginalUnit = Expression<Int?>("original_unit")
+
+    static func quantity(for id: Int, in database: Database) throws -> (quantity: Double, original: Double?, unit: Int?)? {
+        try database.prepare(table.filter(rowDataId == id).limit(1)).map {
+            (quantity: $0[rowQuantity], original: $0[rowOriginalQuantity], unit: $0[rowOriginalUnit])
+        }.first
+    }
+}

HealthImport/Model/Sample+Unit.swift

@@ -0,0 +1,18 @@
+import Foundation
+import SQLite
+
+extension Sample {
+
+    private static let table = Table("unit_strings")
+
+    private static let rowId = Expression<Int>("ROW_ID")
+
+    // - NOTE: Technically optional
+    private static let rowUnitString = Expression<String>("quantity")
+
+    static func unit(for id: Int, in database: Database) throws -> String? {
+        try database.prepare(table.filter(rowId == id).limit(1)).map { row in
+            row[rowUnitString]
+        }.first
+    }
+}

HealthImport/Model/Sample.swift

@@ -0,0 +1,87 @@
+import Foundation
+import SQLite
+
+enum SampleDataType: RawRepresentable {
+
+    case unknown(Int)
+
+    init(rawValue: Int) {
+        switch rawValue {
+
+        default:
+            self = .unknown(rawValue)
+        }
+    }
+
+    var rawValue: Int {
+        switch self {
+        case .unknown(let value):
+            return value
+        }
+    }
+}
+
+extension SampleDataType: Equatable {
+
+}
+
+extension SampleDataType: Hashable {
+
+}
+
+struct Sample {
+
+    let startDate: Date
+
+    let endDate: Date
+
+    let dataType: SampleDataType
+
+    let quantity: Double
+
+    let originalQuantity: Double?
+
+    let originalUnit: String?
+}
+
+extension Sample {
+
+    private static let table = Table("samples")
+
+    private static let columnDataId = Expression<Int>("data_id")
+
+    // NOTE: Technically optional
+    private static let columnStartDate = Expression<Double>("start_date")
+
+    // NOTE: Technically optional
+    private static let columnEndDate = Expression<Double>("end_date")
+
+    private static let columnDataType = Expression<Int>("data_type")
+
+    static func samples(from start: Date, to end: Date, in database: Database) throws -> [Sample] {
+        let start = start.timeIntervalSinceReferenceDate
+        let end = end.timeIntervalSinceReferenceDate
+        return try database.prepare(table.filter(columnStartDate >= start && columnEndDate <= end)).compactMap { (row: Row) -> Sample? in
+            let dataId = row[columnDataId]
+            guard let quantity = try Sample.quantity(for: dataId, in: database) else {
+                return nil
+            }
+
+            let unit = try quantity.unit.map { try Sample.unit(for: $0, in: database) }
+
+            return Sample(
+                startDate: Date(timeIntervalSinceReferenceDate: row[columnStartDate]),
+                endDate: Date(timeIntervalSinceReferenceDate: row[columnEndDate]),
+                dataType: .init(rawValue: row[columnDataType]),
+                quantity: quantity.quantity,
+                originalQuantity: quantity.original,
+                originalUnit: unit)
+        }
+    }
+
+    static func sampleCount(from start: Date, to end: Date, in database: Database) throws -> Int {
+        let start = start.timeIntervalSinceReferenceDate
+        let end = end.timeIntervalSinceReferenceDate
+        return try database.scalar(table.filter(columnStartDate >= start && columnEndDate <= end).count)
+    }
+}

HealthImport/Model/Workout+SQLite.swift

@@ -0,0 +1,85 @@
+import Foundation
+import SQLite
+
+extension Workout {
+
+    private static let table = Table("workouts")
+    
+    // INTEGER PRIMARY KEY AUTOINCREMENT
+    private static let columnDataId = Expression<Int>("data_id")
+    
+    // REAL
+    private static let columnTotalDistance = Expression<Double?>("total_distance")
+    
+    // INTEGER
+    private static let columnGoalType = Expression<Int?>("goal_type")
+    
+    // REAL
+    private static let columnGoal = Expression<Double?>("goal")
+    
+    // INTEGER
+    private static let columnCondenserVersion = Expression<Int?>("condenser_version")
+    
+    // REAL
+    private static let columnCondenserDate = Expression<Double?>("condenser_date")
+
+    static func readAll(in database: Connection) throws -> [Workout] {
+        let metadataKeys = try Metadata.allKeys(in: database)
+
+        return try database.prepare(table).map { row in
+            let id = row[columnDataId]
+
+            let events = try WorkoutEvent.events(for: id, in: database)
+            let activities = try WorkoutActivity.activities(for: id, in: database)
+            let metadata = try Metadata.metadata(for: id, in: database, keyMap: metadataKeys)
+            return .init(
+                id: id,
+                totalDistance: row[columnTotalDistance],
+                goalType: row[columnGoalType],
+                goal:  row[columnGoal],
+                condenserVersion: row[columnCondenserVersion],
+                condenserDate: row[columnCondenserDate].map { Date.init(timeIntervalSinceReferenceDate: $0) },
+                events: events,
+                activities: activities,
+                metadata: metadata)
+        }
+    }
+
+    static func createTable(in database: Database) throws {
+        try database.run(table.create { t in
+            t.column(columnDataId, primaryKey: .autoincrement)
+            t.column(columnTotalDistance)
+            t.column(columnGoalType)
+            t.column(columnGoal)
+            t.column(columnCondenserVersion)
+            t.column(columnCondenserDate)
+        })
+        // try database.execute("CREATE TABLE workouts (data_id INTEGER PRIMARY KEY AUTOINCREMENT, total_distance REAL, goal_type INTEGER, goal REAL, condenser_version INTEGER, condenser_date REAL)")
+    }
+
+    func insert(in database: Database) throws {
+        try Workout.insert(self, in: database)
+    }
+
+    private static func insert(_ element: Workout, in database: Database) throws {
+        let rowid = try database.run(table.insert(
+            columnTotalDistance <- element.totalDistance,
+            columnGoalType <- element.goalType,
+            columnGoalType <- element.goalType,
+            columnGoal <- element.goal,
+            columnCondenserVersion <- element.condenserVersion,
+            columnCondenserDate <- element.condenserDate?.timeIntervalSinceReferenceDate)
+        )
+        let dataId = Int(rowid)
+        for event in element.events {
+            try event.insert(in: database, dataId: dataId)
+        }
+        for activity in element.activities {
+            try activity.insert(in: database, dataId: dataId)
+        }
+        for (key, value) in element.metadata {
+            try Metadata.insert(value, for: key, of: dataId, in: database)
+        }
+    }
+}
+

HealthImport/Model/Workout.swift

@@ -28,7 +28,7 @@ struct Workout {
     
     let activities: [WorkoutActivity]
     
-    let metadata: OrderedDictionary<String, MetadataValue>
+    let metadata: OrderedDictionary<Metadata.Key, Metadata.Value>
 
     var firstActivityDate: Date? {
         activities.map { $0.startDate }.min()
@@ -53,7 +53,7 @@ struct Workout {
         activities.first?.activityType.description ?? "Unknown activity"
     }
     
-    init(id: Int, totalDistance: Double? = nil, goalType: Int? = nil, goal: Double? = nil, condenserVersion: Int? = nil, condenserDate: Date? = nil, events: [WorkoutEvent] = [], activities: [WorkoutActivity] = [], metadata: [String : MetadataValue] = [:]) {
+    init(id: Int, totalDistance: Double? = nil, goalType: Int? = nil, goal: Double? = nil, condenserVersion: Int? = nil, condenserDate: Date? = nil, events: [WorkoutEvent] = [], activities: [WorkoutActivity] = [], metadata: [Metadata.Key : Metadata.Value] = [:]) {
         self.id = id
         self.totalDistance = totalDistance
         self.goalType = goalType
@@ -66,21 +66,6 @@ struct Workout {
     }
 }
 
-extension Workout {
-    
-    init(entry: DBWorkout, events: [DBWorkoutEvent], activities: [DBWorkoutActivity], metadata: [String : MetadataValue]) {
-        self.id = entry.dataId
-        self.totalDistance = entry.totalDistance
-        self.goalType = entry.goalType
-        self.goal = entry.goal
-        self.condenserVersion = entry.condenserVersion
-        self.condenserDate = entry.condenserDate.map { Date(timeIntervalSinceReferenceDate: $0) }
-        self.events = events.map(WorkoutEvent.init)
-        self.activities = activities.map(WorkoutActivity.init)
-        self.metadata = .init(uniqueKeys: metadata.keys, values: metadata.values)
-    }
-}
-
 extension Workout: Identifiable { }
 
 extension Workout: Equatable {

HealthImport/Model/WorkoutActivity+SQLite.swift

@@ -0,0 +1,93 @@
+import Foundation
+import SQLite
+
+extension WorkoutActivity {
+
+    private static let table = Table("workout_activities")
+
+    private static let columnId = Expression<Int>("ROWID")
+
+    private static let columnUUID = Expression<Data>("uuid")
+
+    private static let columnOwnerId = Expression<Int>("owner_id")
+
+    private static let columnIsPrimaryActivity = Expression<Bool>("is_primary_activity")
+
+    private static let columnActivityType = Expression<Int>("activity_type")
+
+    private static let columnLocationType = Expression<Int>("location_type")
+
+    private static let columnSwimmingLocationType = Expression<Int>("swimming_location_type")
+
+    private static let columnLapLength = Expression<Data?>("lap_length")
+
+    private static let columnStartDate = Expression<Double>("start_date")
+
+    private static let columnEndDate = Expression<Double>("end_date")
+
+    private static let columnDuration = Expression<Double>("duration")
+
+    private static let columnMetadata = Expression<Data?>("metadata")
+
+    private static func readAll(in database: Connection) throws -> [Self] {
+        try database.prepare(table).map(from)
+    }
+
+    private static func from(row: Row) -> WorkoutActivity {
+        .init(
+            id: row[columnId],
+            uuid: row[columnUUID],
+            isPrimaryActivity: row[columnIsPrimaryActivity],
+            activityType: .init(rawValue: UInt(row[columnActivityType]))!,
+            locationType: .init(rawValue: row[columnLocationType])!,
+            swimmingLocationType: .init(rawValue: row[columnSwimmingLocationType])!,
+            lapLength: row[columnLapLength],
+            startDate: Date(timeIntervalSinceReferenceDate: row[columnStartDate]),
+            endDate: Date(timeIntervalSinceReferenceDate: row[columnEndDate]),
+            duration: row[columnDuration],
+            metadata: row[columnMetadata])
+    }
+
+    static func activities(for workoutId: Int, in database: Connection) throws -> [Self] {
+        try database.prepare(table.filter(columnOwnerId == workoutId)).map(from)
+    }
+
+    static func createTable(in database: Connection) throws {
+        //try database.execute("CREATE TABLE workout_activities (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, uuid BLOB UNIQUE NOT NULL, owner_id INTEGER NOT NULL REFERENCES workouts(data_id) ON DELETE CASCADE, is_primary_activity INTEGER NOT NULL, activity_type INTEGER NOT NULL, location_type INTEGER NOT NULL, swimming_location_type INTEGER NOT NULL, lap_length BLOB, start_date REAL NOT NULL, end_date REAL NOT NULL, duration REAL NOT NULL, metadata BLOB)")
+        try database.run(table.create { t in
+            t.column(columnId, primaryKey: .autoincrement)
+            t.column(columnUUID)
+            t.column(columnOwnerId, references: Table("workouts"), Expression<Int>("data_id"))
+            t.column(columnIsPrimaryActivity)
+            t.column(columnActivityType)
+            t.column(columnLocationType)
+            t.column(columnSwimmingLocationType)
+            t.column(columnLapLength)
+            t.column(columnStartDate)
+            t.column(columnEndDate)
+            t.column(columnDuration)
+            t.column(columnMetadata)
+        })
+    }
+
+    func insert(in database: Connection, dataId: Int) throws {
+        try WorkoutActivity.insert(self, dataId: dataId, in: database)
+    }
+
+    private static func insert(_ element: WorkoutActivity, dataId: Int, in database: Connection) throws {
+        try database.run(table.insert(
+            columnUUID <- element.uuid,
+            columnOwnerId <- dataId,
+            columnIsPrimaryActivity <- element.isPrimaryActivity,
+            columnActivityType <- Int(element.activityType.rawValue),
+            columnLocationType <- element.locationType.rawValue,
+            columnSwimmingLocationType <- element.swimmingLocationType.rawValue,
+            columnLapLength <- element.lapLength,
+            columnStartDate <- element.startDate.timeIntervalSinceReferenceDate,
+            columnEndDate <- element.endDate.timeIntervalSinceReferenceDate,
+            columnDuration <- element.duration,
+            columnMetadata <- element.metadata)
+        )
+    }
+
+}

HealthImport/Model/WorkoutActivity.swift

@@ -3,6 +3,8 @@ import HealthKit
 
 struct WorkoutActivity {
 
+    private let id: Int
+
     let uuid: Data
     
     let isPrimaryActivity: Bool
@@ -15,6 +17,7 @@ struct WorkoutActivity {
     
     let lapLength: Data?
     
+    #warning("Fix timezone for dates")
     let startDate: Date
     
     let endDate: Date
@@ -22,28 +25,44 @@ struct WorkoutActivity {
     let duration: TimeInterval
     
     let metadata: Data?
+
+    init(id: Int, uuid: Data, isPrimaryActivity: Bool, activityType: HKWorkoutActivityType, locationType: HKWorkoutSessionLocationType, swimmingLocationType: HKWorkoutSwimmingLocationType, lapLength: Data?, startDate: Date, endDate: Date, duration: TimeInterval, metadata: Data?) {
+        self.id = id
+        self.uuid = uuid
+        self.isPrimaryActivity = isPrimaryActivity
+        self.activityType = activityType
+        self.locationType = locationType
+        self.swimmingLocationType = swimmingLocationType
+        self.lapLength = lapLength
+        self.startDate = startDate
+        self.endDate = endDate
+        self.duration = duration
+        self.metadata = metadata
     }
 
-extension WorkoutActivity {
+    func locationSamples(in database: Database) throws -> [LocationSample] {
+        try LocationSample.locationSamples(from: startDate, to: endDate, in: database)
+    }
 
-    init(entry: DBWorkoutActivity) {
+    func locationSampleCount(in database: Database) throws -> Int {
-        self.uuid = entry.uuid
+        try LocationSample.locationSampleCount(from: startDate, to: endDate, in: database)
-        self.isPrimaryActivity = entry.isPrimaryActivity
+    }
-        self.activityType = .init(rawValue: UInt(entry.activityType))!
+
-        self.locationType = .init(rawValue: entry.locationType)!
+    func sampleCount(in database: Database) throws -> Int {
-        self.swimmingLocationType = .init(rawValue: entry.swimmingLocationType)!
+        try Sample.sampleCount(from: startDate, to: endDate, in: database)
-        self.lapLength = entry.lapLength
+    }
-        self.startDate = Date(timeIntervalSinceReferenceDate: entry.startDate)
+
-        self.endDate = Date(timeIntervalSinceReferenceDate: entry.endDate)
+    func samples(in database: Database) throws -> [SampleDataType : Sample] {
-        self.duration = entry.duration
+        try Sample.samples(from: startDate, to: endDate, in: database).reduce(into: [:]) {
-        self.metadata = entry.metadata
+            $0[$1.dataType] = $1
+        }
     }
 }
 
 extension WorkoutActivity: Equatable {
     
     static func == (lhs: WorkoutActivity, rhs: WorkoutActivity) -> Bool {
-        lhs.uuid == rhs.uuid
+        lhs.id == rhs.id
     }
 }
 
@@ -57,6 +76,6 @@ extension WorkoutActivity: Comparable {
 extension WorkoutActivity: Hashable {
     
     func hash(into hasher: inout Hasher) {
-        hasher.combine(uuid)
+        hasher.combine(id)
     }
 }

HealthImport/Model/WorkoutEvent+SQLite.swift

@@ -0,0 +1,79 @@
+import Foundation
+import SQLite
+
+extension WorkoutEvent {
+
+    private static let table = Table("workout_events")
+
+    // INTEGER PRIMARY KEY AUTOINCREMENT
+    private static let columnRowId = Expression<Int>("ROW_ID")
+
+    // owner_id INTEGER NOT NULL REFERENCES workouts (data_id) ON DELETE CASCADE
+    private static let columnOwnerId = Expression<Int>("owner_id")
+
+    // date REAL NOT NULL
+    private static let columnDate = Expression<Double>("date")
+
+    // type INTEGER NOT NULL
+    private static let columnType = Expression<Int>("type")
+
+    // duration REAL NOT NULL
+    private static let columnDuration = Expression<Double>("duration")
+
+    // metadata BLOB
+    private static let columnMetadata = Expression<Data?>("metadata")
+
+    // session_uuid BLOB
+    private static let columnSessionUUID = Expression<Data?>("session_uuid")
+
+    // error BLOB
+    private static let columnError = Expression<Data?>("error")
+
+    static func readAll(in database: Connection) throws -> [Self] {
+        try database.prepare(table).map(from)
+    }
+
+    static func events(for workoutId: Int, in database: Connection) throws -> [Self] {
+        try database.prepare(table.filter(columnOwnerId == workoutId)).map(from)
+    }
+
+    private static func from(row: Row) -> WorkoutEvent {
+        .init(
+            date: Date(timeIntervalSinceReferenceDate: row[columnDate]),
+            type: .init(rawValue: row[columnType])!,
+            duration: row[columnDuration],
+            metadata: row[columnMetadata],
+            sessionUUID: row[columnSessionUUID],
+            error: row[columnError])
+    }
+
+    static func createTable(in database: Database) throws {
+        // try database.execute("CREATE TABLE workout_events (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, owner_id INTEGER NOT NULL REFERENCES workouts (data_id) ON DELETE CASCADE, date REAL NOT NULL, type INTEGER NOT NULL, duration REAL NOT NULL, metadata BLOB, session_uuid BLOB, error BLOB)")
+        try database.run(table.create { t in
+            t.column(columnRowId, primaryKey: .autoincrement)
+            t.column(columnOwnerId, references: Table("workouts"), Expression<Int>("data_id"))
+            t.column(columnDate)
+            t.column(columnType)
+            t.column(columnDuration)
+            t.column(columnMetadata)
+            t.column(columnSessionUUID)
+            t.column(columnError)
+        })
+    }
+
+    func insert(in database: Database, dataId: Int) throws {
+        try WorkoutEvent.insert(self, dataId: dataId, in: database)
+    }
+
+    private static func insert(_ element: WorkoutEvent, dataId: Int, in database: Database) throws {
+        try database.run(table.insert(
+            columnOwnerId <- dataId,
+            columnDate <- element.date.timeIntervalSinceReferenceDate,
+            columnType <- element.type.rawValue,
+            columnDuration <- element.duration,
+            columnMetadata <- element.metadata,
+            columnSessionUUID <- element.sessionUUID,
+            columnError <- element.error)
+        )
+    }
+}

HealthImport/Model/WorkoutEvent.swift

@@ -17,18 +17,6 @@ struct WorkoutEvent {
     
 }
 
-extension WorkoutEvent {
-    
-    init(entry: DBWorkoutEvent) {
-        self.date = Date(timeIntervalSinceReferenceDate: entry.date)
-        self.type = .init(rawValue: entry.type)!
-        self.duration = entry.duration
-        self.metadata = entry.metadata
-        self.sessionUUID = entry.sessionUUID
-        self.error = entry.error
-    }
-}
-
 extension WorkoutEvent: Equatable {
     
     static func == (lhs: WorkoutEvent, rhs: WorkoutEvent) -> Bool {

HealthImport/Preview Content/HealthDatabase+Mock.swift

@@ -0,0 +1,28 @@
+import Foundation
+import SQLite
+
+extension HealthDatabase {
+
+    static func mock() -> HealthDatabase {
+
+        do {
+            let database = try makeDatabase()
+            return .init(database: database)
+        } catch {
+            print(error)
+            fatalError("Failed to create mock database: \(error)")
+        }
+    }
+
+    private static func makeDatabase() throws -> Connection {
+        let database = try Connection(.inMemory)
+
+        try Workout.createTable(in: database)
+        try WorkoutEvent.createTable(in: database)
+        try WorkoutActivity.createTable(in: database)
+        try Metadata.createTables(in: database)
+
+        try Workout.mock1.insert(in: database)
+        return database
+    }
+}

HealthImport/Preview Content/Location+Mock.swift

@@ -0,0 +1,17 @@
+import Foundation
+import CoreLocation
+
+extension LocationSample {
+
+    static let mock: LocationSample = .init(
+        coordinate: .init(latitude: 52.27124117, longitude: 10.53865853),
+        altitude: 2340, // m
+        horizontalAccuracy: 3.5, // m
+        verticalAccuracy: 5.5, // m
+        course: 41.7, // deg
+        courseAccuracy: 2.3, // deg
+        speed: 3.4, // m/s
+        speedAccuracy: 0.3,
+        timestamp: Date(timeIntervalSinceReferenceDate: 657034001),
+        sourceInfo: CLLocationSourceInformation())
+}

HealthImport/Preview Content/Metadata+Mock.swift

@@ -0,0 +1,34 @@
+import Foundation
+
+extension Metadata {
+
+    static let mock1: [Key : Value] = [
+        .indoorWorkout : .number(value: 0.0),
+        .elevationAscended : .numerical(value: 100564.0, unit: "cm"),
+        .timeZone : .string(value: "Europe/Berlin"),
+        .weatherHumidity : .numerical(value: 84.0, unit: "%"),
+        .weatherTemperature : .numerical(value: 20.8219999999961, unit: "degF"),
+        .averageMETs : .numerical(value: 4.12470993502559, unit: "kcal/hr·kg"),
+        .privateWeatherCondition : .number(value: 4.0),
+        .privateWorkoutActivityMoveMode : .number(value: 1.0),
+        .privateWorkoutMaxGroundElevation : .numerical(value: 3188.78609748806, unit: "m"),
+        .privateWorkoutWeatherSourceName : .string(value: "Apple Weather"),
+        .privateWorkoutHeartRateZones : .data(value: .init(hex: "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")!),
+        .privateWorkoutMinHeartRate : .numerical(value: 1.05, unit: "count/s"),
+        .privateMetricPlatterStatistics : .string(value: """
+{"currentMetricPlatterType":"standard","currentMetricPlatterElapsedTime":17991.661971926689,"metricPlatterAccumulatedTime":{"standard":5039.4511208534241,"activityRings":31.905926942825317,"elevation":12920.30492413044}}
+"""),
+        .privateWorkoutWasInDaytime : .number(value: 1.0),
+        .privateWorkoutWeatherLocationCoordinatesLatitude : .number(value: 47.0850386887433),
+        .privateWorkoutMinGroundElevation : .numerical(value: 2147.15929389872, unit: "m"),
+        .privateWorkoutConfiguration : .data(value: """
+{"strings":{},"type":2,"data":"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","objectModificationDate":702107514.08573401,"version":1,"numbers":{"configuration_type":1,"goal_type":2},"uuid":"41A03BAB-9C29-48F0-BE6D-1E8BCDFB25D9","objectState":0}
+""".data(using: .utf8)!),
+        .privateWorkoutWeatherLocationCoordinatesLongitude : .number(value: 11.1684857327149),
+        .privateWorkoutHeartRateZonesConfigurationType : .number(value: 0.0),
+        .privateWorkoutAverageHeartRate : .numerical(value: 1.83192725788713, unit: "count/s"),
+        .privateWorkoutExtendedMode : .number(value: 0.0),
+        .privateWorkoutMaxHeartRate : .numerical(value: 2.58333333333333, unit: "count/s"),
+        .privateWorkoutElapsedTimeInHeartRateZones : .data(value: .init(hex: "62706c6973743030d30102030405065131513251302340ad88000014000023407c37d7626000002340d637c27a270000080f1113151e270000000000000101000000000000000700000000000000000000000000000030")!)
+    ]
+}

HealthImport/Preview Content/Workout+Mock.swift

@@ -0,0 +1,16 @@
+import Foundation
+
+extension Workout {
+
+    static var mock1: Workout {
+        .init(id: 8196339,
+              totalDistance: 16.7620435816585,
+              goalType: 2,
+              goal: 19800.0,
+              condenserVersion: 3,
+              condenserDate: Date(timeIntervalSinceReferenceDate: 716801471.790011),
+              events: WorkoutEvent.mock1,
+              activities: [.mock1],
+              metadata: Metadata.mock1)
+    }
+}

HealthImport/Preview Content/WorkoutActivity+Mock.swift

@@ -0,0 +1,18 @@
+import Foundation
+import HealthKit
+
+extension WorkoutActivity {
+
+    static var mock1: WorkoutActivity = .init(
+        id: 744,
+        uuid: Data(hex: "0e0019a803d541e7b240feb7a360911a")!,
+        isPrimaryActivity: true,
+        activityType: .init(rawValue: 24)!,
+        locationType: .init(rawValue: 3)!,
+        swimmingLocationType: .init(rawValue: 0)!,
+        lapLength: nil,
+        startDate: .init(timeIntervalSinceReferenceDate: 702107518.84307),
+        endDate: .init(timeIntervalSinceReferenceDate: 702143189.432644),
+        duration: 27405.1830769777,
+        metadata: nil)
+}

HealthImport/Preview Content/WorkoutEvent+Mock.swift

@@ -0,0 +1,38 @@
+import Foundation
+import HealthKit
+
+extension WorkoutEvent {
+
+    static var mock1: [WorkoutEvent] {
+        [
+            .init(date: .init(timeIntervalSinceReferenceDate: 702107518.84307),
+                  type: .init(rawValue: 7)!,
+                  duration: 1114.56374406815,
+                  metadata: .init(hex: mock1Event1Metadata)!,
+                  sessionUUID: nil,
+                  error: nil),
+            .init(date: .init(timeIntervalSinceReferenceDate: 702107518.84307),
+                  type: .init(rawValue: 7)!,
+                  duration: 1972.17168283463,
+                  metadata: .init(hex: mock1Event2Metadata)!,
+                  sessionUUID: nil,
+                  error: nil),
+            .init(date: .init(timeIntervalSinceReferenceDate: 702112942.707113),
+                  type: .init(rawValue: 1)!,
+                  duration: 0.0,
+                  metadata: nil,
+                  sessionUUID: nil,
+                  error: nil),
+            .init(date: .init(timeIntervalSinceReferenceDate: 702113161.221132),
+                  type: .init(rawValue: 2)!,
+                  duration: 0.0,
+                  metadata: nil,
+                  sessionUUID: nil,
+                  error: nil),
+        ]
+    }
+}
+
+private let mock1Event1Metadata = "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"
+
+private let mock1Event2Metadata = "0a370a275f484b507269766174654d65746164617461546f74616c44697374616e63655175616e74697479320c094c3789416025994012016d0a240a205f484b507269766174654d6574616461746149735061727469616c53706c697420000a3d0a2d5f484b507269766174654d6574616461746153706c69744163746976654475726174696f6e5175616e74697479320c09882da1cdafd09e401201730a370a275f484b507269766174654d6574616461746153706c697444697374616e63655175616e74697479320c094c3789416025994012016d0a280a245f484b50726976617465576f726b6f75745365676d656e744576656e745375627479706520010a2a0a265f484b507269766174654d6574616461746153706c69744d6561737572696e6753797374656d2002"

HealthImport/Support/Data+Extensions.swift

@@ -0,0 +1,59 @@
+import Foundation
+
+extension Data {
+
+    public var hex: String {
+        return map { String(format: "%02hhx", $0) }.joined()
+    }
+
+    // Convert 0 ... 9, a ... f, A ...F to their decimal value,
+    // return nil for all other input characters
+    private func decodeNibble(_ u: UInt16) -> UInt8? {
+        switch(u) {
+        case 0x30 ... 0x39:
+            return UInt8(u - 0x30)
+        case 0x41 ... 0x46:
+            return UInt8(u - 0x41 + 10)
+        case 0x61 ... 0x66:
+            return UInt8(u - 0x61 + 10)
+        default:
+            return nil
+        }
+    }
+
+    public init?(hex string: String) {
+        let utf16 = string.utf16
+        self.init(capacity: utf16.count/2)
+
+        var i = utf16.startIndex
+        guard utf16.count % 2 == 0 else {
+            return nil
+        }
+        while i != utf16.endIndex {
+            guard let hi = decodeNibble(utf16[i]),
+                let lo = decodeNibble(utf16[utf16.index(i, offsetBy: 1, limitedBy: utf16.endIndex)!]) else {
+                    return nil
+            }
+            var value = hi << 4 + lo
+            self.append(&value, count: 1)
+            i = utf16.index(i, offsetBy: 2, limitedBy: utf16.endIndex)!
+        }
+    }
+}
+
+extension Data {
+
+
+    func convert<T>(into value: T) -> T {
+        withUnsafeBytes {
+            $0.baseAddress!.load(as: T.self)
+        }
+    }
+
+    init<T>(from value: T) {
+        var target = value
+        self = Swift.withUnsafeBytes(of: &target) {
+            Data($0)
+        }
+    }
+}

HealthImport/Support/Date+Extensions.swift

@@ -22,6 +22,13 @@ private let timeFormatter: DateFormatter = {
     return df
 }()
 
+private let timeAndDataWithSecondsFormatter: DateFormatter = {
+    let df = DateFormatter()
+    df.dateStyle = .short
+    df.timeStyle = .medium
+    return df
+}()
+
 extension Date {
 
     var durationSinceNowText: String {
@@ -60,4 +67,8 @@ extension Date {
     var timeAndDateText: String {
         dateFormatter.string(from: self)
     }
+
+    var timeAndDateWithSecondsText: String {
+        timeAndDataWithSecondsFormatter.string(from: self)
+    }
 }

HealthImport/Support/HKWorkoutEventType+Extensions.swift

@@ -10,7 +10,7 @@ extension HKWorkoutEventType: CustomStringConvertible {
         case .lap: return "Lap"
         case .marker: return "Marker"
         case .motionPaused: return "Motion Paused"
-        case .motionResumed: return "Motino Resumed"
+        case .motionResumed: return "Motion Resumed"
         case .segment: return "Segment"
         case .pauseOrResumeRequest: return "Pause or Resume Request"
         @unknown default:

HealthImport/Support/Optional+Extensions.swift

@@ -2,10 +2,17 @@ import Foundation
 
 extension Optional {
     
-    func map<T>(_ transform: (Wrapped) -> T) -> T? {
+    func map<T>(_ transform: (Wrapped) throws -> T) rethrows -> T? {
         guard let self else {
             return nil
         }
-        return transform(self)
+        return try transform(self)
+    }
+
+    func map<T>(_ transform: (Wrapped) throws -> T?) rethrows -> T? {
+        guard let self else {
+            return nil
+        }
+        return try transform(self)
     }
 }

HealthImport/Support/Sequence+Extensions.swift

@@ -0,0 +1,13 @@
+import Foundation
+
+extension Sequence {
+
+    func sorted<T>(ascending: Bool = true, using conversion: (Element) -> T) -> [Element] where T: Comparable {
+        if ascending {
+            return sorted { conversion($0) < conversion($1) }
+        } else {
+            return sorted { conversion($0) > conversion($1) }
+        }
+    }
+
+}

HealthImport/Support/TimeInterval+Extensions.swift

@@ -12,6 +12,31 @@ extension Double {
         }
         return String(format: "%.1f m", self / 1000)
     }
+
+    var lengthAsMeter: String {
+        guard self < 1000 else {
+            return String(format: "%.2f km", self / 1000)
+        }
+        guard self < 100 else {
+            return String(format: "%.0f m", self)
+        }
+        return String(format: "%.1f m", self)
+    }
+
+    var meter: String {
+        guard self < 100 else {
+            return String(format: "%.0f m", self)
+        }
+        return String(format: "%.1f m", self)
+    }
+
+    var speedAsMetersPerSecond: String {
+        String(format: "%.1f m/s", self)
+    }
+
+    func asDegrees(decimals: Int = 1) -> String {
+        String(format: "%.\(decimals)f°", self)
+    }
 }
 
 extension TimeInterval {

HealthImport/WorkoutDetailView.swift

@@ -18,15 +18,6 @@ struct WorkoutDetailView: View {
                 DetailRow("Condenser Version", value: workout.condenserVersion)
                 DetailRow("Condenser Date", date: workout.condenserDate)
             }
-            if !workout.events.isEmpty {
-                Section("Events") {
-                    ForEach(workout.events, id: \.date) { event in
-                        NavigationLink(value: event) {
-                            DetailRow(event.type.description, date: event.date)
-                        }
-                    }
-                }
-            }
             if !workout.activities.isEmpty {
                 Section("Activities") {
                     ForEach(workout.activities, id: \.startDate) { activity in
@@ -38,15 +29,27 @@ struct WorkoutDetailView: View {
                     }
                 }
             }
+            if !workout.events.isEmpty {
+                Section("Events") {
+                    ForEach(workout.events, id: \.date) { event in
+                        NavigationLink(value: event) {
+                            DetailRow(event.type.description, date: event.date)
+                        }
+                    }
+                }
+            }
             if !workout.metadata.isEmpty {
+                Section("Metadata") {
                     ForEach(workout.metadata.elements, id:\.key) { (key, value) in
-                    DetailRow(key, value: value)
+                        DetailRow(key.description, value: value)
+                    }
                 }
             }
         }
         .navigationTitle(workout.typeString)
         .navigationDestination(for: WorkoutActivity.self) { activity in
             ActivityDetailView(activity: activity)
+                .environmentObject(database)
         }
         .navigationDestination(for: WorkoutEvent.self) { event in
             EventDetailView(event: event)
@@ -56,35 +59,8 @@ struct WorkoutDetailView: View {
 
 #Preview {
     NavigationStack {
-        WorkoutDetailView(workout: .init(
+        WorkoutDetailView(workout: .mock1)
-            id: 123,
+        .environmentObject(HealthDatabase.mock())
-            totalDistance: 234.5,
-            goalType: 3,
-            goal: 345.6,
-            condenserVersion: 1,
-            condenserDate: .now,
-            events: [
-                .init(
-                    date: .now,
-                    type: .pause,
-                    duration: 12.3,
-                    metadata: .init(repeating: 42, count: 2),
-                    sessionUUID: .init(repeating: 42, count: 3),
-                    error: nil)
-            ],
-            activities: [
-                .init(
-                    uuid: .init(repeating: 42, count: 3),
-                    isPrimaryActivity: true,
-                    activityType: .running,
-                    locationType: .outdoor,
-                    swimmingLocationType: .unknown,
-                    lapLength: .init(repeating: 42, count: 3),
-                    startDate: .now.addingTimeInterval(-100),
-                    endDate: .now,
-                    duration: 100.0,
-                    metadata: .init(repeating: 42, count: 3))
-            ]))
     }
 }