public JSONObject getAllExistingTasksWithGlobalId() {
JSONObject existingTasks = new JSONObject();
ArrayList<Task> tasks = tasksManager.getAllTasks();
for (Task task : tasks) {
if (task.getGlobalId() != 0) {
try {
existingTasks.put(Long.toString(task.getGlobalId()), Long.toString(task.getId()));
} catch (JSONException e) {
Log.e(TAG, "Cannot create JSONObject with existing tasks that have globalId");
e.printStackTrace();
}
}
}
return existingTasks;
}
public String getAllChangesInXML(HashMap<Long, Pair<String, String>> tasksChanges)
throws IOException, JSONException, ParserConfigurationException, TransformerException {
String allChangesInXML;
Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
Element root = doc.createElement("changes");
doc.appendChild(root);
Element existingTasks = doc.createElement("existingTasks");
existingTasks.setTextContent(getAllExistingTasksWithGlobalId().toString());
root.appendChild(existingTasks);
Element changedTasksEl = doc.createElement("changedTasks");
root.appendChild(changedTasksEl);
Iterator it = tasksChanges.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pair = (Map.Entry) it.next();
long localId = (long) pair.getKey();
Pair<String, String> change = (Pair<String, String>) pair.getValue();
Task task = tasksManager.getTaskByLocalId(localId);
Element changedTaskEl;
if (task != null) {
changedTaskEl = TaskHelper.taskToXML(doc, task, "changedTask");
} else {
Long globalId = taskChangesDbHelper.getGlobalIdOfDeletedTask(localId);
if (globalId != 0 && change.first.equals("DELETED")) {
changedTaskEl = doc.createElement("changedTask");
changedTaskEl.setAttribute("globalId", globalId.toString());
changedTaskEl.setAttribute("id", Long.toString(localId));
} else {
// We don't need send info about the deleted task, that is not known for server
taskChangesDbHelper.uncheckFromSync(localId);
continue;
}
}
Element changeEl = doc.createElement("change");
Element statusEl = doc.createElement("status");
statusEl.setTextContent(change.first);
changeEl.appendChild(statusEl);
Element datetimeEl = doc.createElement("changeDatetime");
datetimeEl.setTextContent(change.second);
changeEl.appendChild(datetimeEl);
changedTaskEl.appendChild(changeEl);
changedTasksEl.appendChild(changedTaskEl);
}
// Element foldersDriveIdsEl = doc.createElement("foldersIds");
// foldersDriveIdsEl.setTextContent(GoogleDriveManager.getInstance(BrainasApp.getAppContext()).getFoldersIds().toString());
// root.appendChild(foldersDriveIdsEl);
Transformer transformer = TransformerFactory.newInstance().newTransformer();
StringWriter writer = new StringWriter();
StreamResult result = new StreamResult(writer);
transformer.transform(new DOMSource(doc), result);
allChangesInXML = writer.toString();
return allChangesInXML;
}