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Simplify server init

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This commit is contained in:
Christoph Hagen 2023-01-11 18:28:37 +01:00
parent ad0c28ad44
commit 2299cae50c
2 changed files with 47 additions and 33 deletions
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72
Sources/App/CapServer.swift
View File

@ -23,28 +23,9 @@ final class CapServer {
private var writers: Set<String>
var classifierVersion: Int {
get {
do {
let content = try String(contentsOf: classifierVersionFile)
.trimmingCharacters(in: .whitespacesAndNewlines)
guard let value = Int(content) else {
log("Invalid classifier version: \(content)")
return 0
}
return value
} catch {
log("Failed to read classifier version file: \(error)")
return 0
}
}
set {
do {
try "\(newValue)".data(using: .utf8)!
.write(to: classifierVersionFile)
} catch {
log("Failed to save classifier version: \(error)")
}
var classifierVersion: Int = 0 {
didSet {
writeClassifierVersion()
}
}
@ -70,26 +51,59 @@ final class CapServer {
caps.values.compactMap { $0.classifierVersion }.max() ?? 1
}
init(in folder: URL, writers: [String]) throws {
var capCount: Int {
caps.count
}
var imageCount: Int {
caps.reduce(0) { $0 + $1.value.count }
}
init(in folder: URL, writers: [String]) {
self.imageFolder = folder.appendingPathComponent("images")
self.dbFile = folder.appendingPathComponent("caps.json")
self.htmlFile = folder.appendingPathComponent("count.html")
self.classifierVersionFile = folder.appendingPathComponent("classifier.version")
self.classifierFile = folder.appendingPathComponent("classifier.mlmodel")
self.writers = Set(writers)
var isDirectory: ObjCBool = false
guard fm.fileExists(atPath: folder.path, isDirectory: &isDirectory),
isDirectory.boolValue else {
log("Public directory \(folder.path) is not a folder, or doesn't exist")
throw CapError.invalidConfiguration
}
func loadData() throws {
loadClassifierVersion(at: classifierVersionFile)
try loadCaps()
try updateCounts()
saveCapCountHTML()
}
private func loadClassifierVersion(at url: URL) {
guard fm.fileExists(atPath: url.path) else {
return
}
let content: String
do {
content = try String(contentsOf: url)
.trimmingCharacters(in: .whitespacesAndNewlines)
} catch {
log("Failed to read classifier version file: \(error)")
return
}
guard let value = Int(content) else {
log("Invalid classifier version: \(content)")
return
}
self.classifierVersion = value
}
private func writeClassifierVersion() {
do {
try "\(classifierVersion)".data(using: .utf8)!
.write(to: classifierVersionFile)
} catch {
log("Failed to save classifier version: \(error)")
}
}
private func loadCaps() throws {
do {
let data = try Data(contentsOf: dbFile)

4
Sources/App/configure.swift
View File

@ -11,13 +11,13 @@ public func configure(_ app: Application) throws {
let resourceDirectory = URL(fileURLWithPath: app.directory.resourcesDirectory)
let publicDirectory = app.directory.publicDirectory
let config = Config(loadFrom: resourceDirectory)
server = CapServer(in: URL(fileURLWithPath: publicDirectory),
writers: config.writers)
if config.serveFiles {
let middleware = FileMiddleware(publicDirectory: publicDirectory)
app.middleware.use(middleware)
}
server = try CapServer(in: URL(fileURLWithPath: publicDirectory),
writers: config.writers)
// Register routes to the router
try routes(app)