Add delete media file api

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/media/MediaService.kt

@@ -52,4 +52,10 @@ interface MediaService {
 
     //Added for Circles
     suspend fun getMediaUsage(): MediaUsageInfo?
+
+    //Added for Circles
+    suspend fun deleteMediaFile(mcxUrl: String)
+
+    //Added for Circles
+    suspend fun deleteMediaFile(server: String, mediaId: String)
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/media/DefaultMediaService.kt

@@ -31,7 +31,8 @@ internal class DefaultMediaService @Inject constructor(
         private val getPreviewUrlTask: GetPreviewUrlTask,
         private val getRawPreviewUrlTask: GetRawPreviewUrlTask,
         private val urlsExtractor: UrlsExtractor,
-        private val getMediaUsageTask: GetMediaUsageTask
+        private val getMediaUsageTask: GetMediaUsageTask,
+        private val deleteMediaFileTask: DeleteMediaFileTask
 ) : MediaService {
     // Cache of extracted URLs
     private val extractedUrlsCache = LruCache<String, List<String>>(1_000)
@@ -56,6 +57,23 @@ internal class DefaultMediaService @Inject constructor(
         return getMediaUsageTask.execute(Unit)
     }
 
+    //Added for Circles
+    override suspend fun deleteMediaFile(mcxUrl: String) {
+        val mcxPrefix = "mcx://"
+        if (mcxUrl.startsWith(mcxPrefix)) {
+            mcxUrl.removePrefix(mcxPrefix).split("/").takeIf { it.size == 2 }?.let {
+                val server = it.getOrNull(0) ?: return
+                val mediaId = it.getOrNull(1) ?: return
+                deleteMediaFile(server, mediaId)
+            }
+        }
+    }
+
+    //Added for Circles
+    override suspend fun deleteMediaFile(server: String, mediaId: String) {
+        deleteMediaFileTask.execute(DeleteMediaFileTask.Params(server, mediaId))
+    }
+
     override suspend fun clearCache() {
         extractedUrlsCache.evictAll()
         clearPreviewUrlCacheTask.execute(Unit)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/media/DeleteMediaFileTask.kt

+package org.matrix.android.sdk.internal.session.media
+
+import org.matrix.android.sdk.internal.network.GlobalErrorReceiver
+import org.matrix.android.sdk.internal.network.executeRequest
+import org.matrix.android.sdk.internal.network.token.HomeserverAccessTokenProvider
+import org.matrix.android.sdk.internal.task.Task
+import javax.inject.Inject
+
+//Created for Circles
+internal interface DeleteMediaFileTask : Task<DeleteMediaFileTask.Params, Unit> {
+    data class Params(
+            val server: String,
+            val mediaId: String
+    )
+}
+
+internal class DefaultDeleteMediaFileTask @Inject constructor(
+        private val mediaAPI: MediaAPI,
+        private val globalErrorReceiver: GlobalErrorReceiver,
+        private val accessTokenProvider: HomeserverAccessTokenProvider
+) : DeleteMediaFileTask {
+
+    override suspend fun execute(params: DeleteMediaFileTask.Params) {
+        return executeRequest(globalErrorReceiver) {
+            val token = accessTokenProvider.getToken() ?: throw IllegalArgumentException("invalid token")
+            mediaAPI.deleteMediaFile(params.server, params.mediaId, token)
+
+        }
+    }
+}

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/media/MediaAPI.kt

@@ -19,6 +19,8 @@ package org.matrix.android.sdk.internal.session.media
 import org.matrix.android.sdk.api.util.JsonDict
 import org.matrix.android.sdk.internal.network.NetworkConstants
 import retrofit2.http.GET
+import retrofit2.http.POST
+import retrofit2.http.Path
 import retrofit2.http.Query
 
 internal interface MediaAPI {
@@ -40,7 +42,15 @@ internal interface MediaAPI {
     @GET(NetworkConstants.URI_API_MEDIA_PREFIX_PATH_R0 + "preview_url")
     suspend fun getPreviewUrlData(@Query("url") url: String, @Query("ts") ts: Long?): JsonDict
 
-    //Created for Circles
+    //Added for Circles
     @GET("_matrix/media/unstable/org.matrix.msc4034/" + "usage")
     suspend fun getMediaUsage(): GetMediaUsageResult
+
+    //Added for Circles
+    @POST("_matrix/media/unstable/admin/purge/{server}/{media_id}?access_token={token}")
+    suspend fun deleteMediaFile(
+            @Path("server") server: String,
+            @Path("media_id") mediaId: String,
+            @Path("token") token: String,
+    ): Unit
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/media/MediaModule.kt

@@ -47,4 +47,7 @@ internal abstract class MediaModule {
 
     @Binds
     abstract fun bindClearMediaCacheTask(task: DefaultClearPreviewUrlCacheTask): ClearPreviewUrlCacheTask
+
+    @Binds
+    abstract fun bindDeleteMediaFileTask(task: DefaultDeleteMediaFileTask): DeleteMediaFileTask
 }