ref: caching joined rooms

app/src/main/java/ru/risdeveau/pixeldragon/api/Room.kt

@@ -24,16 +24,25 @@ import ru.risdeveau.pixeldragon.token
 //
 //}
 
-suspend fun getRooms(): List<String> {
+suspend fun getJoinedRooms(): List<Room> {
+    val r = client.get("$baseUrl/joined_rooms")
+    { bearerAuth(token) }
+    val rooms = JSONObject(r.bodyAsText()).getJSONArray("joined_rooms")
+    return List(
+        rooms.length()
+    ) { i -> getRoom(rooms.getString(i), true) }
+}
+
+suspend fun isJoined(id: String): Boolean {
     val r = client.get("$baseUrl/joined_rooms")
     { bearerAuth(token) }
     val rooms = JSONObject(r.bodyAsText()).getJSONArray("joined_rooms")
     return List<String>(
         rooms.length()
-    ) { i -> rooms.getString(i) }
+    ) { i -> rooms.getString(i) }.contains(id)
 }
 
-suspend fun getRoom(rid: String): Room {
+suspend fun getRoom(rid: String, joined: Boolean? = null): Room {
     val direct = getAccountData(getMe()!!.userId, "m.direct")
     var directWith = ""
     direct?.let {
@@ -61,7 +70,7 @@ suspend fun getRoom(rid: String): Room {
         null,
         avatar,
         null,
-        true,  // TODO: insert actual value
+        joined ?: isJoined(rid),
         if (directWith.isNotEmpty()) User.getById(directWith) else null
     )
 }