From ff46b1b35adbed716a7cc373c55caa3450e31509 Mon Sep 17 00:00:00 2001
From: stefan-niedermann <info@niedermann.it>
Date: Fri, 6 Dec 2019 19:11:19 +0100
Subject: Background synchronization using WorkManager

---
 .../deck/persistence/sync/SyncManager.java         | 11 +++++++++
 .../deck/persistence/sync/SyncWorker.java          | 28 ++++++++++++++++++++++
 .../nextcloud/deck/ui/DrawerActivity.java          | 13 ++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java

(limited to 'app/src')

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncManager.java b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncManager.java
index 01c3ccaef..fea389f7b 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncManager.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncManager.java
@@ -74,6 +74,17 @@ public class SyncManager {
         new Thread(r).start();
     }
 
+    boolean synchronizeEverything() {
+        // TODO do some magic here, but wait with implementation for PoC
+        try {
+            Thread.sleep(2000);
+            return true;
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
     public void synchronize(IResponseCallback<Boolean> responseCallback) {
         if (responseCallback == null ||
                 responseCallback.getAccount() == null ||
diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java
new file mode 100644
index 000000000..e3b398e6e
--- /dev/null
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/persistence/sync/SyncWorker.java
@@ -0,0 +1,28 @@
+package it.niedermann.nextcloud.deck.persistence.sync;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+
+import it.niedermann.nextcloud.deck.DeckLog;
+
+public class SyncWorker extends Worker {
+
+    public static final String TAG = SyncWorker.class.getSimpleName();
+
+    public SyncWorker(@NonNull Context context, @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        SyncManager syncManager = new SyncManager(getApplicationContext(), null);
+        DeckLog.log("Starting background synchronization");
+        boolean success = syncManager.synchronizeEverything();
+        DeckLog.log("Finishing background synchronization with result " + success);
+        return success ? Result.failure() : Result.success();
+    }
+}
diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/DrawerActivity.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/DrawerActivity.java
index bc5a68a49..22622899a 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/ui/DrawerActivity.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/DrawerActivity.java
@@ -31,6 +31,10 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.core.view.GravityCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.work.Constraints;
+import androidx.work.ExistingPeriodicWorkPolicy;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.WorkManager;
 
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.request.RequestOptions;
@@ -49,6 +53,7 @@ import com.nextcloud.android.sso.ui.UiExceptionManager;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 
 import butterknife.BindInt;
 import butterknife.BindString;
@@ -63,6 +68,7 @@ import it.niedermann.nextcloud.deck.model.Account;
 import it.niedermann.nextcloud.deck.model.ocs.Capabilities;
 import it.niedermann.nextcloud.deck.model.ocs.Version;
 import it.niedermann.nextcloud.deck.persistence.sync.SyncManager;
+import it.niedermann.nextcloud.deck.persistence.sync.SyncWorker;
 import it.niedermann.nextcloud.deck.persistence.sync.adapters.db.util.WrappedLiveData;
 import it.niedermann.nextcloud.deck.ui.board.EditBoardDialogFragment;
 import it.niedermann.nextcloud.deck.ui.exception.ExceptionHandler;
@@ -170,6 +176,13 @@ public abstract class DrawerActivity extends AppCompatActivity implements Naviga
                                         editor.remove(sharedPreferenceLastAccount);
                                         editor.commit(); // Has to be done synchronously
                                     } else {
+                                        Constraints constraints = new Constraints.Builder()
+                                                .setRequiresCharging(true)
+                                                .build();
+                                        PeriodicWorkRequest work = new PeriodicWorkRequest.Builder(SyncWorker.class, 30, TimeUnit.MINUTES)
+                                                .setConstraints(constraints)
+                                                .build();
+                                        WorkManager.getInstance(getApplicationContext()).enqueueUniquePeriodicWork(SyncWorker.TAG, ExistingPeriodicWorkPolicy.KEEP, work);
                                         accountIsGettingImportedSnackbar.show();
                                     }
                                 }
-- 
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