async loading of the remote emoji database

- load the local one first
 - async task to load the remote db and if it succeeds overwrite the local db and load the remote one

emoiji.localimageurl is now a computed propery
 - need to fix the fact that the file extension is not known 😭

fetchRemoteDB automatically stores the db lcoally after fetching
add storeDB(data: Data) to store the db from a data form
Emoji.uiID is generated automatically
fix hoarder.localEmojiDB path

imessage extension scheme??

StickerSlack.xcodeproj/xcshareddata/xcschemes/StickerSlackiMessageExtension.xcscheme

@@ -74,6 +74,7 @@
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
       debugDocumentVersioning = "YES"
+      askForAppToLaunch = "Yes"
       launchAutomaticallySubstyle = "2">
       <RemoteRunnable
          runnableDebuggingMode = "1"

StickerSlack/Emoji/Emoji.swift

@@ -11,9 +11,11 @@ import UniformTypeIdentifiers
 
 struct Emoji: Codable, Identifiable, Hashable {
 	var id: UUID
-	var uiID: UUID
+	var uiID: UUID = UUID()
 	var name: String
-	var localImageURL: URL
+	var localImageURL: URL {
+		return EmojiHoarder.container.appendingPathComponent(id.uuidString, conformingTo: .image)
+	}
 	var remoteImageURL: URL
 	
 	var isLocal: Bool {
@@ -32,16 +34,13 @@ struct Emoji: Codable, Identifiable, Hashable {
 	enum CodingKeys: String, CodingKey {
 		case id = "id"
 		case name = "name"
-		case localImageURL = "localImageURL"
-		case remoteImageURL = "remoteImageURL"
+		case remoteImageURL = "imageUrl"
 	}
 	
 	init(from decoder: any Decoder) throws {
 		let container = try decoder.container(keyedBy: CodingKeys.self)
 		self.id = try container.decode(UUID.self, forKey: .id)
-		self.uiID = UUID()
 		self.name = try container.decode(String.self, forKey: .name)
-		self.localImageURL = try container.decode(URL.self, forKey: .localImageURL)
 		self.remoteImageURL = try container.decode(URL.self, forKey: .remoteImageURL)
 	}
 	
@@ -50,12 +49,11 @@ struct Emoji: Codable, Identifiable, Hashable {
 		id: UUID = UUID()
 	) {
 		self.id = id
-		self.uiID = id
 		self.name = apiEmoji.name
 		self.remoteImageURL = apiEmoji.url
 		
 		let fileExtension = String(apiEmoji.urlString.split(separator: ".").last ?? "png")
-		self.localImageURL = EmojiHoarder.container.appendingPathComponent(id.uuidString+"."+fileExtension, conformingTo: .image)
+//		self.localImageURL = EmojiHoarder.container.appendingPathComponent(id.uuidString+"."+fileExtension, conformingTo: .image)
 
 //		Task { [weak self] in
 //			let (data, response) = try await URLSession.shared.data(from: apiEmoji.url)

StickerSlack/EmojiHoarder.swift

@@ -12,7 +12,7 @@ import UniformTypeIdentifiers
 
 class EmojiHoarder: ObservableObject {
 	static let container = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.com.neon443.StickerSlack")!.appendingPathComponent("Library", conformingTo: .directory)
-	static let localEmojiDB: URL = EmojiHoarder.container.appendingPathExtension("localEmojiDB.json")
+	static let localEmojiDB: URL = EmojiHoarder.container.appendingPathComponent("_localEmojiDB.json", conformingTo: .fileURL)
 	private let endpoint: URL = URL(string: "https://cachet.dunkirk.sh/emojis")!
 	private let encoder = JSONEncoder()
 	private let decoder = JSONDecoder()
@@ -22,14 +22,16 @@ class EmojiHoarder: ObservableObject {
 	@Published var prefix: Int = 100
 	
 	init() {
-		guard let fetched = fetchRemoteDB() else {
 		self.emojis = loadLocalDB()
-			return
-		}
+		self.filteredEmojis = self.emojis
 		
+		Task(priority: .high) {
+			if let fetched = await self.fetchRemoteDB() {
 				self.emojis = fetched
 				self.filteredEmojis = fetched
 			}
+		}
+	}
 	
 	func storeStickers(_ toStore: [UUID]) {
 		for stickerId in toStore {
@@ -41,6 +43,10 @@ class EmojiHoarder: ObservableObject {
 		try! encoder.encode(emojis).write(to: EmojiHoarder.localEmojiDB)
 	}
 	
+	func storeDB(data: Data) {
+		try! data.write(to: EmojiHoarder.localEmojiDB)
+	}
+	
 	func loadLocalDB() -> [Emoji] {
 		if let localEmojiDB = try? Data(contentsOf: EmojiHoarder.localEmojiDB) {
 			let decoded = try! decoder.decode([Emoji].self, from: localEmojiDB)
@@ -49,11 +55,17 @@ class EmojiHoarder: ObservableObject {
 		return []
 	}
 	
-	func fetchRemoteDB() -> [Emoji]? {
-		guard let data = try? Data(contentsOf: endpoint) else { return nil }
+	func fetchRemoteDB() async -> [Emoji]? {
+		do {
+			let (data, _) = try await URLSession.shared.data(from: endpoint)
 			decoder.dateDecodingStrategy = .iso8601
 			let decoded: [SlackResponse] = try! decoder.decode([SlackResponse].self, from: data)
+			storeDB(data: data)
 			return SlackResponse.toEmojis(from: decoded)
+		} catch {
+			print(error.localizedDescription)
+			fatalError()
+		}
 	}
 	
 	func setPrefix(to: Int) {

StickerSlack/Views/EmojiPreview.swift

@@ -35,7 +35,6 @@ struct EmojiPreview: View {
 								.resizable().scaledToFit()
 						} else if phase.error != nil {
 							ZStack {
-								
 								Image(systemName: "xmark.app.fill")
 									.resizable().scaledToFit()
 									.padding()