Request can now be canceled properly: it should fix the issue with live chunk being deleted.

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/network/Request.kt

@@ -28,23 +28,31 @@ import com.squareup.moshi.Moshi
 import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.failure.MatrixError
 import im.vector.matrix.android.internal.di.MoshiProvider
+import kotlinx.coroutines.suspendCancellableCoroutine
 import okhttp3.ResponseBody
 import retrofit2.Call
 import timber.log.Timber
 import java.io.IOException
+import kotlin.coroutines.resume
 
-internal inline fun <DATA> executeRequest(block: Request<DATA>.() -> Unit) = Request<DATA>().apply(block).execute()
+internal suspend inline fun <DATA> executeRequest(block: Request<DATA>.() -> Unit) = Request<DATA>().apply(block).execute()
 
 internal class Request<DATA> {
 
     private val moshi: Moshi = MoshiProvider.providesMoshi()
     lateinit var apiCall: Call<DATA>
 
-    fun execute(): Try<DATA> {
+    suspend fun execute(): Try<DATA> {
-        return Try {
+        return suspendCancellableCoroutine { continuation ->
+            continuation.invokeOnCancellation {
+                Timber.v("Request is canceled")
+                apiCall.cancel()
+            }
+            val result = Try {
                 val response = apiCall.runAsync(IO.async()).fix().unsafeRunSync()
                 if (response.isSuccessful) {
-                response.body() ?: throw IllegalStateException("The request returned a null body")
+                    response.body()
+                            ?: throw IllegalStateException("The request returned a null body")
                 } else {
                     throw manageFailure(response.errorBody(), response.code())
                 }
@@ -56,6 +64,9 @@ internal class Request<DATA> {
                     else                        -> Failure.Unknown(it)
                 }.failure()
             }
+            continuation.resume(result)
+        }
+
     }
 
     private fun manageFailure(errorBody: ResponseBody?, httpCode: Int): Throwable {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/group/DefaultGetGroupDataTask.kt

@@ -21,13 +21,13 @@ import arrow.core.fix
 import arrow.instances.`try`.monad.monad
 import arrow.typeclasses.binding
 import com.zhuinden.monarchy.Monarchy
-import im.vector.matrix.android.internal.task.Task
 import im.vector.matrix.android.internal.database.model.GroupSummaryEntity
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.network.executeRequest
 import im.vector.matrix.android.internal.session.group.model.GroupRooms
 import im.vector.matrix.android.internal.session.group.model.GroupSummaryResponse
 import im.vector.matrix.android.internal.session.group.model.GroupUsers
+import im.vector.matrix.android.internal.task.Task
 import im.vector.matrix.android.internal.util.tryTransactionSync
 import io.realm.kotlin.createObject
 
@@ -45,21 +45,17 @@ internal class DefaultGetGroupDataTask(
 
     override suspend fun execute(params: GetGroupDataTask.Params): Try<Unit> {
         val groupId = params.groupId
-        return Try.monad().binding {
-
         val groupSummary = executeRequest<GroupSummaryResponse> {
             apiCall = groupAPI.getSummary(groupId)
-            }.bind()
+        }
-
         val groupRooms = executeRequest<GroupRooms> {
             apiCall = groupAPI.getRooms(groupId)
-            }.bind()
+        }
-
         val groupUsers = executeRequest<GroupUsers> {
             apiCall = groupAPI.getUsers(groupId)
-            }.bind()
+        }
-
+        return Try.monad().binding {
-            insertInDb(groupSummary, groupRooms, groupUsers, groupId).bind()
+            insertInDb(groupSummary.bind(), groupRooms.bind(), groupUsers.bind(), groupId).bind()
         }.fix()
     }
 
@@ -76,7 +72,8 @@ internal class DefaultGetGroupDataTask(
                     groupSummaryEntity.avatarUrl = groupSummary.profile?.avatarUrl ?: ""
                     val name = groupSummary.profile?.name
                     groupSummaryEntity.displayName = if (name.isNullOrEmpty()) groupId else name
-                    groupSummaryEntity.shortDescription = groupSummary.profile?.shortDescription ?: ""
+                    groupSummaryEntity.shortDescription = groupSummary.profile?.shortDescription
+                            ?: ""
 
                     val roomIds = groupRooms.rooms.map { it.roomId }
                     groupSummaryEntity.roomIds.clear()

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/relation/SendRelationWorker.kt

@@ -16,6 +16,7 @@
 package im.vector.matrix.android.internal.session.room.relation
 
 import android.content.Context
+import androidx.work.CoroutineWorker
 import androidx.work.Worker
 import androidx.work.WorkerParameters
 import com.squareup.moshi.JsonClass
@@ -32,7 +33,7 @@ import im.vector.matrix.android.internal.util.WorkerParamsFactory
 import org.koin.standalone.inject
 
 class SendRelationWorker(context: Context, params: WorkerParameters)
-    : Worker(context, params), MatrixKoinComponent {
+    : CoroutineWorker(context, params), MatrixKoinComponent {
 
 
     @JsonClass(generateAdapter = true)
@@ -44,7 +45,7 @@ class SendRelationWorker(context: Context, params: WorkerParameters)
 
     private val roomAPI by inject<RoomAPI>()
 
-    override fun doWork(): Result {
+    override suspend fun doWork(): Result {
         val params = WorkerParamsFactory.fromData<Params>(inputData)
                 ?: return Result.failure()
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/RedactEventWorker.kt

@@ -16,6 +16,7 @@
 package im.vector.matrix.android.internal.session.room.send
 
 import android.content.Context
+import androidx.work.CoroutineWorker
 import androidx.work.Worker
 import androidx.work.WorkerParameters
 import com.squareup.moshi.JsonClass
@@ -27,7 +28,7 @@ import im.vector.matrix.android.internal.util.WorkerParamsFactory
 import org.koin.standalone.inject
 
 internal class RedactEventWorker(context: Context, params: WorkerParameters)
-    : Worker(context, params), MatrixKoinComponent {
+    : CoroutineWorker(context, params), MatrixKoinComponent {
 
     @JsonClass(generateAdapter = true)
     internal data class Params(
@@ -39,7 +40,7 @@ internal class RedactEventWorker(context: Context, params: WorkerParameters)
 
     private val roomAPI by inject<RoomAPI>()
 
-    override fun doWork(): Result {
+    override suspend fun doWork(): Result {
         val params = WorkerParamsFactory.fromData<Params>(inputData)
                 ?: return Result.failure()
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/SendEventWorker.kt

@@ -17,6 +17,7 @@
 package im.vector.matrix.android.internal.session.room.send
 
 import android.content.Context
+import androidx.work.CoroutineWorker
 import androidx.work.Worker
 import androidx.work.WorkerParameters
 import com.squareup.moshi.JsonClass
@@ -30,7 +31,7 @@ import im.vector.matrix.android.internal.util.WorkerParamsFactory
 import org.koin.standalone.inject
 
 internal class SendEventWorker(context: Context, params: WorkerParameters)
-    : Worker(context, params), MatrixKoinComponent {
+    : CoroutineWorker(context, params), MatrixKoinComponent {
 
 
     @JsonClass(generateAdapter = true)
@@ -42,7 +43,7 @@ internal class SendEventWorker(context: Context, params: WorkerParameters)
     private val roomAPI by inject<RoomAPI>()
     private val localEchoUpdater by inject<LocalEchoUpdater>()
 
-    override fun doWork(): Result {
+    override suspend fun doWork(): Result {
 
         val params = WorkerParamsFactory.fromData<Params>(inputData)
                 ?: return Result.success()