[NEW] Add channels.delete endpoint

core/src/main/kotlin/chat/rocket/core/internal/model/DeleteChannelPayload.kt

@@ -0,0 +1,8 @@
+package chat.rocket.core.internal.model
+
+import se.ansman.kotshi.JsonSerializable
+
+@JsonSerializable
+data class DeleteChannelPayload(
+        val roomId: String
+)

core/src/main/kotlin/chat/rocket/core/internal/model/DeleteChannelResult.kt

@@ -0,0 +1,10 @@
+package chat.rocket.core.internal.model
+
+import se.ansman.kotshi.JsonDefaultValueBoolean
+import se.ansman.kotshi.JsonSerializable
+
+@JsonSerializable
+data class DeleteChannelResult(
+        @JsonDefaultValueBoolean(false)
+        val success: Boolean
+)

core/src/main/kotlin/chat/rocket/core/internal/rest/Channel.kt

@@ -5,6 +5,8 @@ import chat.rocket.core.RocketChatClient
 import chat.rocket.core.internal.RestResult
 import chat.rocket.core.internal.model.CreateDirectMessagePayload
 import chat.rocket.core.internal.model.CreateNewChannelPayload
+import chat.rocket.core.internal.model.DeleteChannelPayload
+import chat.rocket.core.internal.model.DeleteChannelResult
 import chat.rocket.core.model.DirectMessage
 import chat.rocket.core.model.Room
 import com.squareup.moshi.Types
@@ -39,6 +41,29 @@ suspend fun RocketChatClient.createChannel(
     return@withContext handleRestCall<RestResult<Room>>(request, type).result()
 }
 
+/**
+ * Deletes the chat room.
+ *
+ * @param roomType The type of the room.
+ * @param roomId ID of the room
+ * @return True if the channel was deleted, false otherwise.
+ */
+suspend fun RocketChatClient.deleteChannel(
+        roomType: RoomType,
+        roomId: String
+): DeleteChannelResult = withContext(CommonPool) {
+        val payload = DeleteChannelPayload(roomId = roomId)
+        val adapter = moshi.adapter(DeleteChannelPayload::class.java)
+        val payloadBody = adapter.toJson(payload)
+
+        val body = RequestBody.create(MEDIA_TYPE_JSON,payloadBody)
+
+        val url = requestUrl(restUrl, getRestApiMethodNameByRoomType(roomType,"delete")).build()
+        val request = requestBuilderForAuthenticatedMethods(url).post(body).build()
+
+        return@withContext handleRestCall<DeleteChannelResult>(request,DeleteChannelResult::class.java)
+    }
+
 /**
  * Create a direct message (DM) room with an user.
  *

core/src/test/kotlin/chat/rocket/core/internal/rest/ChannelTest.kt

@@ -111,6 +111,24 @@ class ChannelTest {
         }
     }
 
+    @Test
+    fun `deleteChannel() should return a DeleteChannelResult object`() {
+        mockServer.expect()
+                .post()
+                .withPath("/api/v1/channels.delete")
+                .andReturn(200, DELETE_CHANNEL_OK)
+                .once()
+
+        runBlocking {
+            val result = sut.deleteChannel(
+                    roomType = RoomType.Channel(),
+                    roomId = "GENERAL"
+            )
+
+            assertThat(result.success, isEqualTo(true))
+        }
+    }
+
     @Test
     fun `createDirectMessage() should return true and yield no exceptions`() {
         mockServer.expect()

core/src/test/kotlin/chat/rocket/core/internal/rest/Constants.kt

@@ -227,3 +227,5 @@ const val CREATE_DM_OK = """
     "success": true
 }
 """
+
+const val DELETE_CHANNEL_OK = "{\"success\":true}"