Implement signIn flow

9 files changed, 266 insertions, 28 deletions

diff --git a/Jel.xcodeproj/project.pbxproj b/Jel.xcodeproj/project.pbxproj
index 85470fb..cc85edc 100644
--- a/Jel.xcodeproj/project.pbxproj
+++ b/Jel.xcodeproj/project.pbxproj
@@ -19,6 +19,9 @@
 		3D9063E72B279A320063DD2A /* JelUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D9063E62B279A320063DD2A /* JelUITests.swift */; };
 		3D9063E92B279A320063DD2A /* JelUITestsLaunchTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D9063E82B279A320063DD2A /* JelUITestsLaunchTests.swift */; };
 		3D9064592B27E4C70063DD2A /* JellyfinKit in Frameworks */ = {isa = PBXBuildFile; productRef = 3D9064582B27E4C70063DD2A /* JellyfinKit */; };
+		3D91FDC92B28C62800919017 /* SignInView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D91FDC82B28C62800919017 /* SignInView.swift */; };
+		3D91FDCB2B28CA2500919017 /* SignInToServerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D91FDCA2B28CA2500919017 /* SignInToServerView.swift */; };
+		3D91FDCD2B2907E800919017 /* JellyfinDateFormatter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3D91FDCC2B2907E800919017 /* JellyfinDateFormatter.swift */; };
 		3DF1ED3E2B282836000AD8EA /* JellyfinClientController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3DF1ED3D2B282836000AD8EA /* JellyfinClientController.swift */; };
 /* End PBXBuildFile section */
 
@@ -69,6 +72,9 @@
 		3D9063E22B279A320063DD2A /* JelUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = JelUITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		3D9063E62B279A320063DD2A /* JelUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JelUITests.swift; sourceTree = "<group>"; };
 		3D9063E82B279A320063DD2A /* JelUITestsLaunchTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JelUITestsLaunchTests.swift; sourceTree = "<group>"; };
+		3D91FDC82B28C62800919017 /* SignInView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SignInView.swift; sourceTree = "<group>"; };
+		3D91FDCA2B28CA2500919017 /* SignInToServerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SignInToServerView.swift; sourceTree = "<group>"; };
+		3D91FDCC2B2907E800919017 /* JellyfinDateFormatter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JellyfinDateFormatter.swift; sourceTree = "<group>"; };
 		3DC0E5802B2832B9001CCE96 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		3DF1ED3D2B282836000AD8EA /* JellyfinClientController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JellyfinClientController.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -102,7 +108,7 @@
 		3D1015D72B27F54A00F5C29A /* Views */ = {
 			isa = PBXGroup;
 			children = (
-				3D1015D82B27F57400F5C29A /* AddServerView.swift */,
+				3D91FDC52B28C28900919017 /* SignIn */,
 			);
 			path = Views;
 			sourceTree = "<group>";
@@ -120,6 +126,7 @@
 		3D1015E02B27FE5700F5C29A /* Models */ = {
 			isa = PBXGroup;
 			children = (
+				3D91FDCC2B2907E800919017 /* JellyfinDateFormatter.swift */,
 			);
 			path = Models;
 			sourceTree = "<group>";
@@ -187,6 +194,16 @@
 			path = JelUITests;
 			sourceTree = "<group>";
 		};
+		3D91FDC52B28C28900919017 /* SignIn */ = {
+			isa = PBXGroup;
+			children = (
+				3D91FDC82B28C62800919017 /* SignInView.swift */,
+				3D1015D82B27F57400F5C29A /* AddServerView.swift */,
+				3D91FDCA2B28CA2500919017 /* SignInToServerView.swift */,
+			);
+			path = SignIn;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -328,7 +345,10 @@
 				3DF1ED3E2B282836000AD8EA /* JellyfinClientController.swift in Sources */,
 				3D1015D92B27F57400F5C29A /* AddServerView.swift in Sources */,
 				3D9063CB2B279A310063DD2A /* JelApp.swift in Sources */,
+				3D91FDCD2B2907E800919017 /* JellyfinDateFormatter.swift in Sources */,
 				3D1015DC2B27F5D300F5C29A /* Model.xcdatamodeld in Sources */,
+				3D91FDC92B28C62800919017 /* SignInView.swift in Sources */,
+				3D91FDCB2B28CA2500919017 /* SignInToServerView.swift in Sources */,
 				3D1015E42B28000E00F5C29A /* AuthStateController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/Jel/ContentView.swift b/Jel/ContentView.swift
index 2c388be..356615d 100644
--- a/Jel/ContentView.swift
+++ b/Jel/ContentView.swift
@@ -9,11 +9,10 @@ import SwiftUI
 
 struct ContentView: View {
   @ObservedObject var authState: AuthStateController
-  
   var body: some View {
         VStack {
           if !authState.loggedIn {
-            AddServerView(authState: authState)
+            SignInView(authState: authState)
           } else {
             Text("Logged in")
             Button("Log out") {
diff --git a/Jel/Controllers/AuthStateController.swift b/Jel/Controllers/AuthStateController.swift
index 1629556..93dbee3 100644
--- a/Jel/Controllers/AuthStateController.swift
+++ b/Jel/Controllers/AuthStateController.swift
@@ -14,6 +14,8 @@ class AuthStateController: ObservableObject {
   
   private let defaults = UserDefaults.standard
   
+  static let shared = AuthStateController()
+  
   init(loggedIn: Bool = false, serverUrl: URL? = nil, authToken: String? = nil) {
     self.loggedIn = loggedIn
     self.serverUrl = serverUrl
diff --git a/Jel/Controllers/JellyfinClientController.swift b/Jel/Controllers/JellyfinClientController.swift
index 343efe1..b50157e 100644
--- a/Jel/Controllers/JellyfinClientController.swift
+++ b/Jel/Controllers/JellyfinClientController.swift
@@ -9,22 +9,74 @@ import Foundation
 import Get
 import JellyfinKit
 
-class JellyfinClientController {
-  let api: APIClient
+struct AuthHeaders: Codable {
+  var Client: String
+  var Device: String
+  var DeviceId: String
+  var Version: String
+  var Token: String
+}
+
+enum JellyfinClientError: Error {
+  case badResponseCode
+}
+
+extension AuthHeaders {
+  func format() -> String {
+    return "MediaBrowser Client=\(self.Client), Device=\(self.Device), DeviceId=\(self.DeviceId), Version=\(self.Version), Token=\(self.Token)"
+  }
+}
+
+class JellyfinClientController: ObservableObject {
+  private var api: APIClient
+  
+  private var authHeaders: AuthHeaders
+  private var authState: AuthStateController
   
-  init(serverUrl: URL) {
-    self.api = APIClient(
-      baseURL: serverUrl
-    )
+  init(authHeaders: AuthHeaders, serverUrl: URL? = nil, authState: AuthStateController = AuthStateController.shared) {
+    self.authHeaders = authHeaders
+    self.authState = authState
+    
+    self.api = APIClient(baseURL: serverUrl)
+    self.setUrl(url: serverUrl)
+  }
+  
+  func setToken(token: String) {
+    self.authHeaders.Token = token
+  }
+  
+  func setUrl(url: URL?) {
+    if url == nil {
+      return
+    }
+    
+    self.api = APIClient(baseURL: url, {
+      $0.sessionConfiguration.httpAdditionalHeaders = ["Authorization": self.authHeaders.format()]
+      
+      let decoder = JSONDecoder()
+      decoder.dateDecodingStrategy = .iso8601withFractionalSeconds
+      $0.decoder = decoder
+    })
   }
   
   func isJellyfinServer() async -> Bool {
     let request = Paths.getPublicUsers
     do {
-      try await api.send(request)
+      let res = try await api.send(request)
+      if res.statusCode != 200 {
+        throw JellyfinClientError.badResponseCode
+      }
     } catch {
       return false
     }
     return true
   }
+  
+  func signIn(username: String, pw: String) async throws {
+    let request = Paths.authenticateUserByName(AuthenticateUserByName(pw: pw, username: username))
+    let res = try await self.api.send(request)
+    self.authState.loggedIn = true
+    self.authState.authToken = res.value.accessToken
+    self.authState.save()
+  }
 }
diff --git a/Jel/JelApp.swift b/Jel/JelApp.swift
index d70e444..6e4490e 100644
--- a/Jel/JelApp.swift
+++ b/Jel/JelApp.swift
@@ -10,14 +10,26 @@ import SwiftUI
 @main
 struct JelApp: App {
   let datamodelController = DatamodelController.shared
-  let authStateController = AuthStateController()
+  let authStateController = AuthStateController.shared
+  
+  let jellyfinClientController = JellyfinClientController(authHeaders: AuthHeaders(
+    Client: "Jel",
+    Device: UIDevice.current.systemName,
+    DeviceId: UIDevice.current.identifierForVendor!.uuidString,
+    Version: Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String ?? "0.0.0",
+    Token: ""))
+  
   var body: some Scene {
     WindowGroup {
       ContentView(authState: authStateController)
         .environment(\.managedObjectContext,
                       datamodelController.container.viewContext)
+        .environmentObject(jellyfinClientController)
         .task {
           authStateController.load()
+          if authStateController.serverUrl != nil {
+            jellyfinClientController.setUrl(url: authStateController.serverUrl!)
+          }
         }
     }
   }
diff --git a/Jel/Models/JellyfinDateFormatter.swift b/Jel/Models/JellyfinDateFormatter.swift
new file mode 100644
index 0000000..74b89d1
--- /dev/null
+++ b/Jel/Models/JellyfinDateFormatter.swift
@@ -0,0 +1,33 @@
+//
+//  JellyfinDateFormatter.swift
+//  Jel
+//
+//  Created by zerocool on 12/12/23.
+//
+
+import Foundation
+
+// from: https://stackoverflow.com/a/46458771
+extension Formatter {
+  static let iso8601withFractionalSeconds: ISO8601DateFormatter = {
+    let formatter = ISO8601DateFormatter()
+    formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
+    return formatter
+  }()
+  static let iso8601: ISO8601DateFormatter = {
+    let formatter = ISO8601DateFormatter()
+    formatter.formatOptions = [.withInternetDateTime]
+    return formatter
+  }()
+}
+
+extension JSONDecoder.DateDecodingStrategy {
+  static let iso8601withFractionalSeconds = custom {
+    let container = try $0.singleValueContainer()
+    let string = try container.decode(String.self)
+    if let date = Formatter.iso8601withFractionalSeconds.date(from: string) ?? Formatter.iso8601.date(from: string) {
+      return date
+    }
+    throw DecodingError.dataCorruptedError(in: container, debugDescription: "Invalid date: \(string)")
+  }
+}
diff --git a/Jel/Views/AddServerView.swift b/Jel/Views/SignIn/AddServerView.swift
index beab5e7..516b982 100644
--- a/Jel/Views/AddServerView.swift
+++ b/Jel/Views/SignIn/AddServerView.swift
@@ -8,12 +8,14 @@
 import SwiftUI
 
 struct AddServerView: View {
+  @EnvironmentObject var jellyfinClient: JellyfinClientController
   @ObservedObject var authState: AuthStateController
+  @Binding var serverUrlIsValid: Bool
   
-  @State var serverUrlString: String = ""
+  @State var serverUrlString: String = "http://"
   @State var urlHasError: Bool = false
   @State var currentErrorMessage: String = ""
-  @State var loading: Bool = false
+  @State var isLoading: Bool = false
   
   @FocusState var serverUrlIsFocused: Bool
   
@@ -22,10 +24,8 @@ struct AddServerView: View {
       Text("Connect to a server")
         .font(.title)
       HStack {
-        
         TextField(text: $serverUrlString) {
           Text("http://jellyfin.example.com")
-            .foregroundStyle(.placeholder)
         }
         .keyboardType(.URL)
         .textContentType(.URL)
@@ -33,11 +33,6 @@ struct AddServerView: View {
         .textInputAutocapitalization(.never)
         .autocorrectionDisabled()
         .focused($serverUrlIsFocused)
-        .onChange(of: serverUrlIsFocused) {
-          if serverUrlIsFocused {
-            urlHasError = false
-          }
-        }
         .onSubmit {
           Task {
             await checkServerUrl()
@@ -45,7 +40,7 @@ struct AddServerView: View {
         }
         
         
-        if !loading {
+        if !isLoading {
           Button(action: {
             Task {
               await checkServerUrl()
@@ -55,14 +50,14 @@ struct AddServerView: View {
               .labelStyle(.iconOnly)
           }
           .buttonStyle(.bordered)
-          .disabled(urlHasError)
         } else {
-         ProgressView()
+          ProgressView()
             .progressViewStyle(.circular)
-            .padding()
+            .padding([.leading, .trailing])
         }
       }
       .padding()
+      .disabled(isLoading)
       
       if urlHasError {
         Text(currentErrorMessage)
@@ -73,13 +68,16 @@ struct AddServerView: View {
   }
   
   func checkServerUrl() async {
-    loading = true
+    isLoading = true
     serverUrlIsFocused = false
     if isValidUrl(data: serverUrlString) {
       let url = URL(string: serverUrlString)!
-      if await JellyfinClientController(serverUrl: url).isJellyfinServer() {
+      jellyfinClient.setUrl(url: url)
+      if await jellyfinClient.isJellyfinServer() {
         authState.serverUrl = url
+        authState.save()
         urlHasError = false
+        serverUrlIsValid = true
       } else {
         urlHasError = true
         currentErrorMessage = "Server not responding"
@@ -90,7 +88,7 @@ struct AddServerView: View {
       currentErrorMessage = "Invalid url"
     }
     
-    loading = false
+    isLoading = false
   }
   
   func isValidUrl(data: String) -> Bool {
@@ -105,5 +103,6 @@ struct AddServerView: View {
 }
 
 #Preview {
-  AddServerView(authState: AuthStateController())
+  AddServerView(authState: AuthStateController(), serverUrlIsValid: .constant(false))
+  
 }
diff --git a/Jel/Views/SignIn/SignInToServerView.swift b/Jel/Views/SignIn/SignInToServerView.swift
new file mode 100644
index 0000000..ae8d82d
--- /dev/null
+++ b/Jel/Views/SignIn/SignInToServerView.swift
@@ -0,0 +1,79 @@
+//
+//  SignInToServerView.swift
+//  Jel
+//
+//  Created by zerocool on 12/12/23.
+//
+
+import SwiftUI
+
+struct SignInToServerView: View {
+  @EnvironmentObject var jellyfinClient: JellyfinClientController
+  @ObservedObject var authState: AuthStateController
+  
+  @State var username: String = ""
+  @State var password: String = ""
+  
+  @State var isLoading: Bool = false
+  @State var hasError: Bool = false
+  
+  var body: some View {
+    VStack {
+      Text("Sign in")
+        .font(.title)
+      TextField(text: $username) {
+        Text("Username")
+      }
+      .textContentType(.username)
+      
+      SecureField(text: $password) {
+        Text("Password")
+      }
+      .textContentType(.password)
+      .onSubmit {
+        Task {
+          await logInToServer()
+        }
+      }
+      
+      if !isLoading {
+        Button {
+          Task {
+            await logInToServer()
+          }
+        } label: {
+          Text("Sign in")
+        }
+        .disabled(username.isEmpty || password.isEmpty)
+      } else {
+        ProgressView()
+          .progressViewStyle(.circular)
+      }
+      
+      if hasError {
+        Text("Unable to sign in")
+          .font(.callout)
+          .foregroundStyle(.red)
+      }
+    }
+    .padding()
+    .textFieldStyle(.roundedBorder)
+    .textInputAutocapitalization(.never)
+    .disabled(isLoading)
+  }
+  
+  func logInToServer() async {
+    isLoading = true
+    hasError = false
+    do {
+      try await jellyfinClient.signIn(username: username, pw: password)
+    } catch {
+      hasError = true
+    }
+    isLoading = false
+  }
+}
+
+#Preview {
+  SignInToServerView(authState: AuthStateController())
+}
diff --git a/Jel/Views/SignIn/SignInView.swift b/Jel/Views/SignIn/SignInView.swift
new file mode 100644
index 0000000..c06788d
--- /dev/null
+++ b/Jel/Views/SignIn/SignInView.swift
@@ -0,0 +1,42 @@
+//
+//  SignInView.swift
+//  Jel
+//
+//  Created by zerocool on 12/12/23.
+//
+
+import SwiftUI
+
+struct SignInView: View {
+  @EnvironmentObject var jellyfinClient: JellyfinClientController
+  @ObservedObject var authState: AuthStateController
+  @State var serverUrlIsValid: Bool = false
+  
+  var body: some View {
+    NavigationStack {
+      AddServerView(authState: authState, serverUrlIsValid: $serverUrlIsValid)
+        .navigationDestination(isPresented: $serverUrlIsValid) {
+          SignInToServerView(authState: authState)
+        }
+    }
+    .onAppear {
+      Task {
+        await checkLoadedServerUrl()
+      }
+    }
+  }
+  
+  func checkLoadedServerUrl() async {
+    if authState.serverUrl == nil {
+      return
+    }
+    
+    if await jellyfinClient.isJellyfinServer() {
+      serverUrlIsValid = true
+    }
+  }
+}
+
+#Preview {
+  SignInView(authState: AuthStateController())
+}