Unpin ably-cocoa

This reverts b261155.

Handle ably-cocoa's new commit e216ae5, which reverted the backwards
compatibility-breaking commit 26d9bf7. To handle e216ae5, we need to add
the realtime client's `presence` member to our requirements.

AblyChat.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,13 +1,13 @@
 {
-  "originHash" : "20eda2776391659360fe1f5d5d8095daadf2aa748972649241e4432cdb687f89",
+  "originHash" : "77e4b2b661f9de38584f7d61ba62b95f5fe6ef751d01e208399bed3950246e2b",
   "pins" : [
     {
       "identity" : "ably-cocoa",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/ably/ably-cocoa",
       "state" : {
-        "revision" : "5ba7809f5de6e885e8bd4788f0e807f66fc1875b",
-        "version" : "1.2.36"
+        "revision" : "35805d0e96a1df5b4dc0f6d82afe22ab753c15bd",
+        "version" : "1.2.37"
       }
     },
     {

Example/AblyChatExample/Mocks/MockClients.swift

@@ -88,7 +88,7 @@ actor MockRoom: Room {
 actor MockMessages: Messages {
     let clientID: String
     let roomID: String
-    let channel: RealtimeChannelProtocol
+    let channel: any RealtimeChannelProtocol
 
     private let mockSubscriptions = MockSubscriptionStorage<Message>()
 
@@ -146,7 +146,7 @@ actor MockMessages: Messages {
 actor MockRoomReactions: RoomReactions {
     let clientID: String
     let roomID: String
-    let channel: RealtimeChannelProtocol
+    let channel: any RealtimeChannelProtocol
 
     private let mockSubscriptions = MockSubscriptionStorage<Reaction>()
 
@@ -193,7 +193,7 @@ actor MockRoomReactions: RoomReactions {
 actor MockTyping: Typing {
     let clientID: String
     let roomID: String
-    let channel: RealtimeChannelProtocol
+    let channel: any RealtimeChannelProtocol
 
     private let mockSubscriptions = MockSubscriptionStorage<TypingEvent>()
 
@@ -356,7 +356,7 @@ actor MockPresence: Presence {
 actor MockOccupancy: Occupancy {
     let clientID: String
     let roomID: String
-    let channel: RealtimeChannelProtocol
+    let channel: any RealtimeChannelProtocol
 
     private let mockSubscriptions = MockSubscriptionStorage<OccupancyEvent>()
 

Example/AblyChatExample/Mocks/MockRealtime.swift

@@ -105,9 +105,7 @@ final class MockRealtime: NSObject, RealtimeClientProtocol, Sendable {
             fatalError("Not implemented")
         }
 
-        var presence: ARTRealtimePresenceProtocol {
-            fatalError("Not implemented")
-        }
+        let presence = RealtimePresence()
 
         var errorReason: ARTErrorInfo? {
             fatalError("Not implemented")
@@ -250,6 +248,102 @@ final class MockRealtime: NSObject, RealtimeClientProtocol, Sendable {
         }
     }
 
+    final class RealtimePresence: RealtimePresenceProtocol {
+        var syncComplete: Bool {
+            fatalError("Not implemented")
+        }
+
+        func get(_: @escaping ARTPresenceMessagesCallback) {
+            fatalError("Not implemented")
+        }
+
+        func get(_: ARTRealtimePresenceQuery, callback _: @escaping ARTPresenceMessagesCallback) {
+            fatalError("Not implemented")
+        }
+
+        func enter(_: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func enter(_: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func update(_: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func update(_: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func leave(_: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func leave(_: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func enterClient(_: String, data _: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func enterClient(_: String, data _: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func updateClient(_: String, data _: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func updateClient(_: String, data _: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func leaveClient(_: String, data _: Any?) {
+            fatalError("Not implemented")
+        }
+
+        func leaveClient(_: String, data _: Any?, callback _: ARTCallback? = nil) {
+            fatalError("Not implemented")
+        }
+
+        func subscribe(_: @escaping ARTPresenceMessageCallback) -> ARTEventListener? {
+            fatalError("Not implemented")
+        }
+
+        func subscribe(attachCallback _: ARTCallback?, callback _: @escaping ARTPresenceMessageCallback) -> ARTEventListener? {
+            fatalError("Not implemented")
+        }
+
+        func subscribe(_: ARTPresenceAction, callback _: @escaping ARTPresenceMessageCallback) -> ARTEventListener? {
+            fatalError("Not implemented")
+        }
+
+        func subscribe(_: ARTPresenceAction, onAttach _: ARTCallback?, callback _: @escaping ARTPresenceMessageCallback) -> ARTEventListener? {
+            fatalError("Not implemented")
+        }
+
+        func unsubscribe() {
+            fatalError("Not implemented")
+        }
+
+        func unsubscribe(_: ARTEventListener) {
+            fatalError("Not implemented")
+        }
+
+        func unsubscribe(_: ARTPresenceAction, listener _: ARTEventListener) {
+            fatalError("Not implemented")
+        }
+
+        func history(_: @escaping ARTPaginatedPresenceCallback) {}
+
+        func history(_: ARTRealtimeHistoryQuery?, callback _: @escaping ARTPaginatedPresenceCallback) throws {
+            fatalError("Not implemented")
+        }
+    }
+
     required init(options _: ARTClientOptions) {}
 
     required init(key _: String) {}

Package.resolved

@@ -1,13 +1,13 @@
 {
-  "originHash" : "f5dd87027f1300f852cf86019686409a47c851bc11433a4138c8956b8a09ad6f",
+  "originHash" : "8c7acde3826a921568cc75459ff2052ebec85d53398758c637099c1128f45e32",
   "pins" : [
     {
       "identity" : "ably-cocoa",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/ably/ably-cocoa",
       "state" : {
-        "revision" : "5ba7809f5de6e885e8bd4788f0e807f66fc1875b",
-        "version" : "1.2.36"
+        "revision" : "35805d0e96a1df5b4dc0f6d82afe22ab753c15bd",
+        "version" : "1.2.37"
       }
     },
     {

Package.swift

@@ -20,12 +20,7 @@ let package = Package(
     dependencies: [
         .package(
             url: "https://github.com/ably/ably-cocoa",
-            /*
-                The upcoming ably-cocoa 1.2.37 will revert a change on which the Chat SDK depends. It will not be possible to make a single version of the Chat SDK work with ably-cocoa versions 1.2.36 and 1.2.37.
-
-                So, in order to make sure that the Chat SDK continues to work once ably-cocoa 1.2.37 is released, let's temporarily lock the ably-cocoa dependency to 1.2.36, and release a new version of the Chat SDK. Then, once ably-cocoa 1.2.37 is released, we can release another version of the Chat SDK that requires 1.2.37 and above.
-                 */
-            exact: "1.2.36"
+            from: "1.2.37"
         ),
         .package(
             url: "https://github.com/apple/swift-argument-parser",

Sources/AblyChat/AblyCocoaExtensions/Ably+Dependencies.swift

@@ -6,4 +6,6 @@ extension ARTRealtimeChannels: RealtimeChannelsProtocol {}
 
 extension ARTRealtimeChannel: RealtimeChannelProtocol {}
 
+extension ARTRealtimePresence: RealtimePresenceProtocol {}
+
 extension ARTConnection: ConnectionProtocol {}

Sources/AblyChat/Dependencies.swift

@@ -19,7 +19,14 @@ public protocol RealtimeChannelsProtocol: ARTRealtimeChannelsProtocol, Sendable
 }
 
 /// Expresses the requirements of the object returned by ``RealtimeChannelsProtocol/get(_:options:)``.
-public protocol RealtimeChannelProtocol: ARTRealtimeChannelProtocol, Sendable {}
+public protocol RealtimeChannelProtocol: ARTRealtimeChannelProtocol, Sendable {
+    associatedtype Presence: RealtimePresenceProtocol
+
+    var presence: Presence { get }
+}
+
+/// Expresses the requirements of the object returned by ``RealtimeChannelProtocol/presence``.
+public protocol RealtimePresenceProtocol: ARTRealtimePresenceProtocol, Sendable {}
 
 /// Expresses the requirements of the object returned by ``RealtimeClientProtocol/connection``.
 public protocol ConnectionProtocol: ARTConnectionProtocol, Sendable {}

Sources/AblyChat/Messages.swift

@@ -51,7 +51,7 @@ public protocol Messages: AnyObject, Sendable, EmitsDiscontinuities {
      *
      * - Returns: The realtime channel.
      */
-    var channel: RealtimeChannelProtocol { get }
+    var channel: any RealtimeChannelProtocol { get }
 }
 
 public extension Messages {

Sources/AblyChat/Occupancy.swift

@@ -34,7 +34,7 @@ public protocol Occupancy: AnyObject, Sendable, EmitsDiscontinuities {
      *
      * - Returns: The underlying Ably channel for occupancy events.
      */
-    var channel: RealtimeChannelProtocol { get }
+    var channel: any RealtimeChannelProtocol { get }
 }
 
 public extension Occupancy {

Sources/AblyChat/Room.swift

@@ -300,7 +300,7 @@ internal actor DefaultRoom<LifecycleManagerFactory: RoomLifecycleManagerFactory>
     }
 
     private struct FeatureChannelPartialDependencies {
-        internal var channel: RealtimeChannelProtocol
+        internal var channel: any RealtimeChannelProtocol
         internal var contributor: DefaultRoomLifecycleContributor
     }
 

Sources/AblyChat/RoomFeature.swift

@@ -46,7 +46,7 @@ internal enum RoomFeature: CaseIterable {
 /// - the discontinuities emitted by the room lifecycle
 /// - the presence-readiness wait mechanism supplied by the room lifecycle
 internal protocol FeatureChannel: Sendable, EmitsDiscontinuities {
-    var channel: RealtimeChannelProtocol { get }
+    var channel: any RealtimeChannelProtocol { get }
 
     /// Waits until we can perform presence operations on the contributors of this room without triggering an implicit attach.
     ///
@@ -62,7 +62,7 @@ internal protocol FeatureChannel: Sendable, EmitsDiscontinuities {
 }
 
 internal struct DefaultFeatureChannel: FeatureChannel {
-    internal var channel: RealtimeChannelProtocol
+    internal var channel: any RealtimeChannelProtocol
     internal var contributor: DefaultRoomLifecycleContributor
     internal var roomLifecycleManager: RoomLifecycleManager
 

Sources/AblyChat/RoomReactions.swift

@@ -22,7 +22,7 @@ public protocol RoomReactions: AnyObject, Sendable, EmitsDiscontinuities {
      *
      * - Returns: The realtime channel.
      */
-    var channel: RealtimeChannelProtocol { get }
+    var channel: any RealtimeChannelProtocol { get }
 
     /**
      * Subscribes a given listener to receive room-level reactions.

Sources/AblyChat/Typing.swift

@@ -54,7 +54,7 @@ public protocol Typing: AnyObject, Sendable, EmitsDiscontinuities {
      *
      * - Returns: The Ably realtime channel.
      */
-    var channel: RealtimeChannelProtocol { get }
+    var channel: any RealtimeChannelProtocol { get }
 }
 
 public extension Typing {

Tests/AblyChatTests/Mocks/MockFeatureChannel.swift

@@ -2,12 +2,12 @@ import Ably
 @testable import AblyChat
 
 final actor MockFeatureChannel: FeatureChannel {
-    let channel: RealtimeChannelProtocol
+    let channel: any RealtimeChannelProtocol
     private var discontinuitySubscriptions = SubscriptionStorage<DiscontinuityEvent>()
     private let resultOfWaitToBeAbleToPerformPresenceOperations: Result<Void, ARTErrorInfo>?
 
     init(
-        channel: RealtimeChannelProtocol,
+        channel: any RealtimeChannelProtocol,
         resultOfWaitToBeAblePerformPresenceOperations: Result<Void, ARTErrorInfo>? = nil
     ) {
         self.channel = channel

Tests/AblyChatTests/Mocks/MockRealtimeChannel.swift

@@ -2,9 +2,7 @@ import Ably
 import AblyChat
 
 final class MockRealtimeChannel: NSObject, RealtimeChannelProtocol {
-    var presence: ARTRealtimePresenceProtocol {
-        fatalError("Not implemented")
-    }
+    let presence = MockRealtimePresence()
 
     private let attachSerial: String?
     private let channelSerial: String?