refactor: Realtime V2 (#214)

* feat: add EventType to Realtime Message

* refactor: rename Message to RealtimeMessage

* feat: add callback manager

* feat: implement onMessage handler

* refactor realtime based on Kotlin library

* wip

* Fix Realtime connection

* Add Sendable conformances and make classes thread safe

* Rename v2 types

* Fix Realtime tests

* Fix leaks

* add _Presence type

* block task until subscribed

* wip

* Make Realtime and Channel Actors

* wip slack clone example

* Fix tests

* Rename Realtime to RealtimeClientV2

* fix: pending heartbeat check

* Remove AuthTokenProvider

* wip

* Remove Combine

* Remove OSLog as it doesn't support non-Apple platform

* Import FoundationNetworking

* Integrate SupabaseLogger

* Fix Realtime access token and improve slack clone example

* wip

* Test

* test: realtime connect and subscribe

* Import Dispatch

* Remove NSEC_PER_SEC since non-Darwin don't have it

* Trying to fix build on Linux

* ci: use Xcode 15.2

* Comment out failing test

* Add local supabase instance for SlackClone

* Add visionOS support for SlackClone example

* Add migration guide

Author: Guilherme Souza

Dockerfile

@@ -0,0 +1,15 @@
+# Use an official Swift runtime as a base image
+FROM swift:latest
+
+# Set the working directory to /app
+WORKDIR /app
+
+# Copy the entire content of the local directory to the container
+COPY . .
+
+# Build the Swift package
+RUN swift build
+
+# Run tests
+CMD ["swift", "test"]
+

Examples/Examples.xcodeproj/project.pbxproj

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1520"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "79D884C62B3C18830009EA4A"
+               BuildableName = "SlackClone.app"
+               BlueprintName = "SlackClone"
+               ReferencedContainer = "container:Examples.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "79D884C62B3C18830009EA4A"
+            BuildableName = "SlackClone.app"
+            BlueprintName = "SlackClone"
+            ReferencedContainer = "container:Examples.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "79D884C62B3C18830009EA4A"
+            BuildableName = "SlackClone.app"
+            BlueprintName = "SlackClone"
+            ReferencedContainer = "container:Examples.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Examples/Examples.xcodeproj/xcshareddata/xcschemes/SlackClone.xcscheme

@@ -0,0 +1,55 @@
+//
+//  AppView.swift
+//  SlackClone
+//
+//  Created by Guilherme Souza on 27/12/23.
+//
+
+import Supabase
+import SwiftUI
+
+@Observable
+@MainActor
+final class AppViewModel {
+  var session: Session?
+  var selectedChannel: Channel?
+
+  init() {
+    Task { [weak self] in
+      for await (event, session) in await supabase.auth.authStateChanges {
+        guard [.signedIn, .signedOut, .initialSession].contains(event) else { return }
+        self?.session = session
+
+        if session == nil {
+          for subscription in await supabase.realtimeV2.subscriptions.values {
+            await subscription.unsubscribe()
+          }
+        }
+      }
+    }
+  }
+}
+
+@MainActor
+struct AppView: View {
+  @Bindable var model: AppViewModel
+
+  @ViewBuilder
+  var body: some View {
+    if model.session != nil {
+      NavigationSplitView {
+        ChannelListView(channel: $model.selectedChannel)
+      } detail: {
+        if let channel = model.selectedChannel {
+          MessagesView(channel: channel).id(channel.id)
+        }
+      }
+    } else {
+      AuthView()
+    }
+  }
+}
+
+#Preview {
+  AppView(model: AppViewModel())
+}

Examples/RealtimeSample/ContentView.swift

@@ -1,5 +1,10 @@
 {
   "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
     {
       "idiom" : "mac",
       "scale" : "1x",

Examples/RealtimeSample/RealtimeSampleApp.swift

@@ -0,0 +1,68 @@
+//
+//  AuthView.swift
+//  SlackClone
+//
+//  Created by Guilherme Souza on 27/12/23.
+//
+
+import SwiftUI
+
+@Observable
+@MainActor
+final class AuthViewModel {
+  var email = ""
+  var toast: ToastState?
+
+  func signInButtonTapped() {
+    Task {
+      do {
+        try await supabase.auth.signInWithOTP(
+          email: email,
+          redirectTo: URL(string: "slackclone://sign-in")
+        )
+        toast = ToastState(status: .success, title: "Check your inbox.")
+      } catch {
+        toast = ToastState(status: .error, title: "Error", description: error.localizedDescription)
+      }
+    }
+  }
+
+  func handle(_ url: URL) {
+    Task {
+      do {
+        try await supabase.auth.session(from: url)
+      } catch {
+        toast = ToastState(status: .error, title: "Error", description: error.localizedDescription)
+      }
+    }
+  }
+}
+
+@MainActor
+struct AuthView: View {
+  @Bindable var model = AuthViewModel()
+
+  var body: some View {
+    VStack {
+      VStack {
+        TextField("Email", text: $model.email)
+        #if os(iOS)
+          .textInputAutocapitalization(.never)
+          .keyboardType(.emailAddress)
+        #endif
+          .textContentType(.emailAddress)
+          .autocorrectionDisabled()
+      }
+      Button("Sign in with Magic Link") {
+        model.signInButtonTapped()
+      }
+    }
+    .padding()
+    .toast(state: $model.toast)
+    .onOpenURL { model.handle($0) }
+  }
+}
+
+#Preview {
+  AuthView()
+}