/** This method is called when user taps "Start/Stop shopping" button */
public void toggleShopping(View view) {
/** Create map and fill it in with deep path multi write operations list */
HashMap<String, Object> updatedUserData = new HashMap<String, Object>();
String propertyToUpdate = Constants.FIREBASE_PROPERTY_USERS_SHOPPING + "/" + mEncodedEmail;
/** If current user is already shopping, remove current user from usersShopping map */
if (mShopping) {
/* Add the value to update at the specified property for all lists */
Utils.updateMapForAllWithValue(
mSharedWithUsers,
mListId,
mShoppingList.getOwner(),
updatedUserData,
propertyToUpdate,
null);
/* Appends the timestamp changes for all lists */
Utils.updateMapWithTimestampLastChanged(
mSharedWithUsers, mListId, mShoppingList.getOwner(), updatedUserData);
/* Do a deep-path update */
mFirebaseRef.updateChildren(
updatedUserData,
new Firebase.CompletionListener() {
@Override
public void onComplete(FirebaseError firebaseError, Firebase firebase) {
/* Updates the reversed timestamp */
Utils.updateTimestampReversed(
firebaseError, LOG_TAG, mListId, mSharedWithUsers, mShoppingList.getOwner());
}
});
} else {
/**
* If current user is not shopping, create map to represent User model add to usersShopping
* map
*/
HashMap<String, Object> currentUser =
(HashMap<String, Object>) new ObjectMapper().convertValue(mCurrentUser, Map.class);
/* Add the value to update at the specified property for all lists */
Utils.updateMapForAllWithValue(
mSharedWithUsers,
mListId,
mShoppingList.getOwner(),
updatedUserData,
propertyToUpdate,
currentUser);
/* Appends the timestamp changes for all lists */
Utils.updateMapWithTimestampLastChanged(
mSharedWithUsers, mListId, mShoppingList.getOwner(), updatedUserData);
/* Do a deep-path update */
mFirebaseRef.updateChildren(
updatedUserData,
new Firebase.CompletionListener() {
@Override
public void onComplete(FirebaseError firebaseError, Firebase firebase) {
/* Updates the reversed timestamp */
Utils.updateTimestampReversed(
firebaseError, LOG_TAG, mListId, mSharedWithUsers, mShoppingList.getOwner());
}
});
}
}
/** Return true if currentUserEmail equals to shoppingList.owner() Return false otherwise */
public static boolean checkIfOwner(ShoppingList shoppingList, String currentUserEmail) {
return (shoppingList.getOwner() != null && shoppingList.getOwner().equals(currentUserEmail));
}