Offline mode

CapCollector/AppDelegate.swift

@@ -97,8 +97,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     }
     
     func applicationDidBecomeActive(_ application: UIApplication) {
-        app.database?.uploadRemainingCaps()
-        app.database?.uploadRemainingImages()
+        app.database?.uploadRemainingData()
         
         guard shouldLaunchCamera else { return }
         shouldLaunchCamera = false

CapCollector/Base.lproj/Main.storyboard

@@ -170,7 +170,7 @@
                     <navigationItem key="navigationItem" title="Caps" id="qe9-JJ-Ei4">
                         <barButtonItem key="leftBarButtonItem" title="Item" image="arrow.clockwise.icloud" catalog="system" id="SDv-mW-eqq">
                             <connections>
-                                <action selector="updateInfo:" destination="2ro-5c-16N" id="DgZ-Jh-0hR"/>
+                                <action selector="updateInfo:forEvent:" destination="2ro-5c-16N" id="MDf-gM-ErC"/>
                             </connections>
                         </barButtonItem>
                         <barButtonItem key="rightBarButtonItem" title="Item" image="circle.grid.hex" catalog="system" id="Bii-kx-Exm">

CapCollector/Data/Database.swift

@@ -300,7 +300,7 @@ final class Database {
         guard update("name", for: cap, setter: Cap.columnName <- name, Cap.columnUploaded <- false) else {
             return false
         }
-        uploadRemainingCaps()
+        uploadRemainingData()
         return true
     }
     
@@ -659,27 +659,40 @@ final class Database {
         }
     }
 
-    func uploadRemainingCaps() {
+    func uploadRemainingData() {
+        guard !isInOfflineMode else {
+            log("Not uploading pending data due to offline mode")
+            return
+        }
         let uploads = self.pendingCapUploads
         guard uploads.count > 0 else {
             log("No pending cap uploads")
+            uploadRemainingImages()
             return
         }
         log("\(uploads.count) cap uploads pending")
         
+        var remaining = uploads.count
         for cap in uploads {
             upload.upload(name: cap.name, for: cap.id) { success in
-                guard success else {
-                    self.log("Failed to upload cap \(cap.id)")
-                    return
-                }
+                if success {
                     self.log("Uploaded cap \(cap.id)")
                     self.update(uploaded: true, for: cap.id)
+                } else {
+                    self.log("Failed to upload cap \(cap.id)")
+                }
+                
+                remaining -= 1
+                if remaining == 0 {
+                    DispatchQueue.main.async {
+                        self.uploadRemainingImages()
+                    }
+                }
             }
         }
     }
     
-    func uploadRemainingImages() {
+    private func uploadRemainingImages() {
         let uploads = pendingImageUploads
         guard uploads.count > 0 else {
             log("No pending image uploads")

CapCollector/TableView.swift

@@ -336,7 +336,14 @@ class TableView: UITableViewController {
     private func showOfflineDialog() {
         let offline = app.database.isInOfflineMode
         if offline {
-            
+            print("Marking as online")
+            app.database.isInOfflineMode = false
+            app.database.uploadRemainingData()
+            self.showAlert("Offline mode was disabled", title: "Online")
+        } else {
+            print("Marking as offline")
+            app.database.isInOfflineMode = true
+            self.showAlert("Offline mode was enabled", title: "Offline")
         }
     }