add IntentService to replace CreateInitialFolderOperation

app/src/main/java/foundation/e/drive/backgroundServices/CreateInitialRemoteFoldersIntentService.java

+package foundation.e.drive.backgroundServices;
+
+import android.app.IntentService;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.content.LocalBroadcastManager;
+import android.util.Log;
+
+import com.owncloud.android.lib.common.OwnCloudClient;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.resources.files.CreateFolderRemoteOperation;
+
+import java.io.File;
+
+import foundation.e.drive.database.DbHelper;
+import foundation.e.drive.models.SyncedFolder;
+
+public class CreateInitialRemoteFoldersIntentService extends IntentService {
+    private static final String TAG = CreateInitialRemoteFoldersIntentService.class.getSimpleName();
+    public static final String createFullPathKey = "create_full_path";
+    public static final String syncedFolderKey = "synced_folder";
+    public static final String resultCodeKey = "result_code";
+    public static final String resultIntentActionKey = "result";
+
+    private OwnCloudClient client;
+
+    /**
+     * Creates an IntentService.
+     *
+     */
+    public CreateInitialRemoteFoldersIntentService(OwnCloudClient client) {
+        super(TAG);
+        client = client;
+    }
+
+    @Override
+    protected void onHandleIntent(Intent workIntent) {
+        if(workIntent == null || workIntent.getExtras() == null) return;
+        Bundle extras = workIntent.getExtras();
+        boolean mCreateFullPath = extras.getBoolean(createFullPathKey);
+        SyncedFolder mSyncedFolder = (SyncedFolder) extras.getParcelable(syncedFolderKey);
+
+        if(mSyncedFolder == null) return; //@TODO: Move this check in performTask
+        performTask(mSyncedFolder, mCreateFullPath);
+    }
+
+
+    private void performTask(SyncedFolder mSyncedFolder, boolean mCreateFullPath){
+
+        Intent resultIntent = new Intent(resultIntentActionKey);
+
+        File folder = new File(mSyncedFolder.getLocalFolder() );
+        if( !folder.exists() ){
+            Log.e(TAG, "Local folder doesn't exist, so create it");
+            folder.mkdirs();
+        }
+        CreateFolderRemoteOperation createFolderOperation = new CreateFolderRemoteOperation(mSyncedFolder.getRemoteFolder(), mCreateFullPath);
+
+        RemoteOperationResult createOperationResult;
+        createOperationResult = createFolderOperation.execute(client, true);
+        if(createOperationResult.isSuccess() || createOperationResult.getCode() == RemoteOperationResult.ResultCode.FOLDER_ALREADY_EXISTS ){
+            if(DbHelper.insertSyncedFolder(mSyncedFolder, this) >= 0 ) {
+
+                resultIntent.putExtra(resultCodeKey, RemoteOperationResult.ResultCode.OK);
+            }else {
+                Log.d(TAG, "insertion of folder in DB failed");
+                resultIntent.putExtra(resultCodeKey, RemoteOperationResult.ResultCode.FOLDER_ALREADY_EXISTS);
+            }
+        }else{
+            resultIntent.putExtra(resultCodeKey, createOperationResult.getCode());
+        }
+
+        Log.d(TAG, createOperationResult.getLogMessage()+" \n"+createOperationResult.getCode()+
+                " \n"+createOperationResult.getHttpCode()+" \n"+createOperationResult.getAuthenticateHeaders().toString());
+        LocalBroadcastManager.getInstance(this).sendBroadcast(resultIntent);
+    }
+}