wip: Room list

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

@@ -1,7 +1,7 @@
 /*
- * Created by sweetbread on 21.02.2025, 12:01
+ * Created by sweetbread on 22.02.2025, 17:28
  * Copyright (c) 2025. All rights reserved.
- * Last modified 21.02.2025, 12:01
+ * Last modified 22.02.2025, 17:28
  */
 
 package ru.risdeveau.pixeldragon.api
@@ -11,6 +11,7 @@ import io.ktor.client.statement.bodyAsText
 import org.json.JSONException
 import org.json.JSONObject
 import ru.risdeveau.pixeldragon.client
+import ru.risdeveau.pixeldragon.homeserver
 
 suspend fun isMatrixServer(url: String): Boolean {
     val r = try { client.get("https://$url/.well-known/matrix/client") }
@@ -20,4 +21,11 @@ suspend fun isMatrixServer(url: String): Boolean {
     catch (_: JSONException) { return false }
 
     return true
+}
+
+fun mxcToUrl(mxc: String): String {
+    val pattern = Regex("mxc://([-a-zA-Z0-9@:%._+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6})/([a-zA-Z]+)")
+    val match = pattern.find(mxc)
+
+    return "https://$homeserver/_matrix/client/v1/media/download/${match?.groupValues[1]}/${match?.groupValues[2]}"
 }