[CHAT-4902] feat: add chat room skeleton and default implementations for main classes

.editorconfig

@@ -7,4 +7,4 @@ trim_trailing_whitespace = true
 charset = utf-8
 
 [*.{kt,kts}]
-ij_kotlin_imports_layout = android.**,androidx.**,*,java.**,javax.**,kotlin.**,kotlinx.**,io.ably.**,com.ably.**,^
+ij_kotlin_imports_layout = *,^

build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.android.kotlin) apply false
     alias(libs.plugins.compose.compiler) apply false
+    alias(libs.plugins.build.config) apply false
 }
 
 dependencies {

chat-android/build.gradle.kts

@@ -1,8 +1,11 @@
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.android.kotlin)
+    alias(libs.plugins.build.config)
 }
 
+val version = libs.versions.ably.chat.get()
+
 android {
     namespace = "com.ably.chat"
     compileSdk = 34
@@ -33,6 +36,12 @@ android {
     }
 }
 
+buildConfig {
+    packageName("com.ably.chat")
+    useKotlinOutput { internalVisibility = true }
+    buildConfigField("APP_VERSION", provider { "\"${version}\"" })
+}
+
 dependencies {
     api(libs.ably.android)
     implementation(libs.gson)

chat-android/src/main/java/com/ably/chat/ChatClient.kt

@@ -1,7 +1,8 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 import io.ably.lib.realtime.AblyRealtime
-import io.ably.lib.types.ClientOptions
 
 typealias RealtimeClient = AblyRealtime
 
@@ -35,3 +36,25 @@ interface ChatClient {
      */
     val clientOptions: ClientOptions
 }
+
+fun ChatClient(realtimeClient: RealtimeClient, clientOptions: ClientOptions): ChatClient = DefaultChatClient(realtimeClient, clientOptions)
+
+internal class DefaultChatClient(
+    override val realtime: RealtimeClient,
+    override val clientOptions: ClientOptions,
+) : ChatClient {
+
+    private val chatApi = ChatApi(realtime, clientId)
+
+    override val rooms: Rooms = DefaultRooms(
+        realtimeClient = realtime,
+        chatApi = chatApi,
+        clientOptions = clientOptions,
+    )
+
+    override val connection: Connection
+        get() = TODO("Not yet implemented")
+
+    override val clientId: String
+        get() = realtime.auth.clientId
+}

chat-android/src/main/java/com/ably/chat/Messages.kt

@@ -1,3 +1,5 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 import io.ably.lib.realtime.Channel
@@ -173,3 +175,40 @@ data class SendMessageParams(
      */
     val headers: MessageHeaders? = null,
 )
+
+class DefaultMessages(
+    private val roomId: String,
+    private val realtimeClient: RealtimeClient,
+    private val chatApi: ChatApi,
+) : Messages {
+
+    /**
+     * the channel name for the chat messages channel.
+     */
+    private val messagesChannelName = "$roomId::\$chat::\$chatMessages"
+
+    override val channel: Channel
+        get() = realtimeClient.channels.get(messagesChannelName, ChatChannelOptions())
+
+    override fun subscribe(listener: Messages.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun unsubscribe(listener: Messages.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun get(options: QueryOptions): PaginatedResult<Message> {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun send(params: SendMessageParams): Message = chatApi.sendMessage(roomId, params)
+
+    override fun onDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun offDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+}

chat-android/src/main/java/com/ably/chat/Occupancy.kt

@@ -1,3 +1,5 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 import io.ably.lib.realtime.Channel
@@ -63,3 +65,30 @@ data class OccupancyEvent(
      */
     val presenceMembers: Int,
 )
+
+internal class DefaultOccupancy(
+    private val messages: Messages,
+) : Occupancy {
+    override val channel: Channel
+        get() = messages.channel
+
+    override fun subscribe(listener: Occupancy.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun unsubscribe(listener: Occupancy.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun get(): OccupancyEvent {
+        TODO("Not yet implemented")
+    }
+
+    override fun onDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun offDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+}

chat-android/src/main/java/com/ably/chat/Presence.kt

@@ -1,3 +1,5 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 import android.text.PrecomputedText.Params
@@ -132,3 +134,47 @@ data class PresenceEvent(
      */
     val data: PresenceData,
 )
+
+internal class DefaultPresence(
+    private val messages: Messages,
+) : Presence {
+
+    override val channel: Channel
+        get() = messages.channel
+
+    override suspend fun get(params: List<Params>): List<PresenceMember> {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun isUserPresent(clientId: String): Boolean {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun enter(data: PresenceData?) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun update(data: PresenceData?) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun leave(data: PresenceData?) {
+        TODO("Not yet implemented")
+    }
+
+    override fun subscribe(listener: Presence.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun unsubscribe(listener: Presence.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun onDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun offDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+}

chat-android/src/main/java/com/ably/chat/Room.kt

@@ -1,3 +1,5 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 /**
@@ -80,3 +82,52 @@ interface Room {
      */
     suspend fun detach()
 }
+
+internal class DefaultRoom(
+    override val roomId: String,
+    override val options: RoomOptions,
+    realtimeClient: RealtimeClient,
+    chatApi: ChatApi,
+) : Room {
+
+    override val messages: Messages = DefaultMessages(
+        roomId = roomId,
+        realtimeClient = realtimeClient,
+        chatApi = chatApi,
+    )
+
+    override val presence: Presence = DefaultPresence(
+        messages = messages,
+    )
+
+    override val reactions: RoomReactions = DefaultRoomReactions(
+        roomId = roomId,
+        realtimeClient = realtimeClient,
+    )
+
+    override val typing: Typing = DefaultTyping(
+        roomId = roomId,
+        realtimeClient = realtimeClient,
+    )
+
+    override val occupancy: Occupancy = DefaultOccupancy(
+        messages = messages,
+    )
+
+    override val status: RoomStatus
+        get() {
+            TODO("Not yet implemented")
+        }
+
+    override suspend fun attach() {
+        messages.channel.attachCoroutine()
+        typing.channel.attachCoroutine()
+        reactions.channel.attachCoroutine()
+    }
+
+    override suspend fun detach() {
+        messages.channel.detachCoroutine()
+        typing.channel.detachCoroutine()
+        reactions.channel.detachCoroutine()
+    }
+}

chat-android/src/main/java/com/ably/chat/RoomReactions.kt

@@ -1,3 +1,5 @@
+@file:Suppress("StringLiteralDuplication", "NotImplementedDeclaration")
+
 package com.ably.chat
 
 import io.ably.lib.realtime.Channel
@@ -100,3 +102,33 @@ data class SendReactionParams(
      */
     val headers: ReactionHeaders? = null,
 )
+
+internal class DefaultRoomReactions(
+    roomId: String,
+    private val realtimeClient: RealtimeClient,
+) : RoomReactions {
+    private val roomReactionsChannelName = "$roomId::\$chat::\$reactions"
+
+    override val channel: Channel
+        get() = realtimeClient.channels.get(roomReactionsChannelName, ChatChannelOptions())
+
+    override suspend fun send(params: SendReactionParams) {
+        TODO("Not yet implemented")
+    }
+
+    override fun subscribe(listener: RoomReactions.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun unsubscribe(listener: RoomReactions.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun onDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+
+    override fun offDiscontinuity(listener: EmitsDiscontinuities.Listener) {
+        TODO("Not yet implemented")
+    }
+}