@Override
protected Integer doInBackground(Void... params) {
// Ensure external storage
if (!AndroidUtils.isExtStorageAvailable()) {
return ERROR_STORAGE_ACCESS;
}
// Ensure no large database ops are running
TaskManager tm = TaskManager.getInstance(mContext);
if (SgSyncAdapter.isSyncActive(mContext, false) || tm.isAddTaskRunning()) {
return ERROR_LARGE_DB_OP;
}
// Ensure JSON file is available
File path = JsonExportTask.getExportPath(false);
File backup = new File(path, JsonExportTask.EXPORT_JSON_FILE_SHOWS);
if (!backup.exists() || !backup.canRead()) {
return ERROR_FILE_ACCESS;
}
// Clean out all existing tables
mContext.getContentResolver().delete(Shows.CONTENT_URI, null, null);
mContext.getContentResolver().delete(Seasons.CONTENT_URI, null, null);
mContext.getContentResolver().delete(Episodes.CONTENT_URI, null, null);
mContext.getContentResolver().delete(SeriesContract.Lists.CONTENT_URI, null, null);
mContext.getContentResolver().delete(ListItems.CONTENT_URI, null, null);
// Access JSON from backup folder to create new database
try {
InputStream in = new FileInputStream(backup);
Gson gson = new Gson();
JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
reader.beginArray();
while (reader.hasNext()) {
Show show = gson.fromJson(reader, Show.class);
addShowToDatabase(show);
}
reader.endArray();
reader.close();
} catch (IOException e) {
return ERROR;
}
/*
* Lists
*/
File backupLists = new File(path, JsonExportTask.EXPORT_JSON_FILE_LISTS);
if (!backupLists.exists() || !backupLists.canRead()) {
// Skip lists if the file is not accessible
return SUCCESS;
}
// Access JSON from backup folder to create new database
try {
InputStream in = new FileInputStream(backupLists);
Gson gson = new Gson();
JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
reader.beginArray();
while (reader.hasNext()) {
List list = gson.fromJson(reader, List.class);
addListToDatabase(list);
}
reader.endArray();
reader.close();
} catch (IOException e) {
return ERROR;
}
// Renew search table
mContext
.getContentResolver()
.query(EpisodeSearch.CONTENT_URI_RENEWFTSTABLE, null, null, null, null);
return SUCCESS;
}
/** Called if the user adds a show from a trakt stream fragment. */
@Override
public void onAddShow(SearchResult show) {
TaskManager.getInstance(this).performAddTask(show);
}