Differential D17 Diff 56 src/it/reyboz/bustorino/middleware/AsyncStopFavoriteAction.java

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src/it/reyboz/bustorino/middleware/AsyncStopFavoriteAction.java

	/*			/*
	BusTO - Middleware components			BusTO - Middleware components
	Copyright (C) 2016 Fabio Mazza			Copyright (C) 2016 Fabio Mazza

	This program is free software: you can redistribute it and/or modify			This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by			it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or			the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.			(at your option) any later version.

	This program is distributed in the hope that it will be useful,			This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of			but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.			GNU General Public License for more details.

	You should have received a copy of the GNU General Public License			You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>.			along with this program. If not, see <http://www.gnu.org/licenses/>.
	*/			*/

	package it.reyboz.bustorino.middleware;			package it.reyboz.bustorino.middleware;

	import android.content.Context;			import android.content.Context;
	import android.database.sqlite.SQLiteDatabase;			import android.database.sqlite.SQLiteDatabase;
	import android.os.AsyncTask;			import android.os.AsyncTask;
	import android.widget.Toast;			import android.widget.Toast;
	import it.reyboz.bustorino.R;			import it.reyboz.bustorino.R;
	import it.reyboz.bustorino.backend.Stop;			import it.reyboz.bustorino.backend.Stop;

	/**			/**
	* Handler to add or remove or toggle a Stop in your favorites			* Handler to add or remove or toggle a Stop in your favorites
	*/			*/
	public class AsyncStopFavoriteAction extends AsyncTask<Stop, Void, Boolean> {			public class AsyncStopFavoriteAction extends AsyncTask<Stop, Void, Boolean> {
	private Context context;			private Context context;

	/**			/**
	* Kind of actions available			* Kind of actions available
	*/			*/
	public enum Action { ADD, REMOVE, TOGGLE };			public enum Action { ADD, REMOVE, TOGGLE };

	/**			/**
	* Action chosen			* Action chosen
	*			*
	* Note that TOGGLE is not converted to ADD or REMOVE.			* Note that TOGGLE is not converted to ADD or REMOVE.
	*/			*/
	private Action action;			private Action action;

	/**			/**
	* Constructor			* Constructor
	*			*
	* @param context			* @param context
	* @param action			* @param action
	*/			*/
	public AsyncStopFavoriteAction(Context context, Action action) {			public AsyncStopFavoriteAction(Context context, Action action) {
	this.context = context.getApplicationContext();			this.context = context.getApplicationContext();
	this.action = action;			this.action = action;
	}			}

	@Override			@Override
	protected Boolean doInBackground(Stop... stops) {			protected Boolean doInBackground(Stop... stops) {
	boolean result = false;			boolean result = false;

	Stop stop = stops[0];			Stop stop = stops[0];

	// check if the request has sense			// check if the request has sense
	if(stop != null) {			if(stop != null) {

	// get a writable database			// get a writable database
	UserDB userDatabase = new UserDB(context);			UserDB userDatabase = new UserDB(context);
	SQLiteDatabase db = userDatabase.getWritableDatabase();			SQLiteDatabase db = userDatabase.getWritableDatabase();

	// eventually toggle the status			// eventually toggle the status
	if(Action.TOGGLE.equals(action)) {			if(Action.TOGGLE.equals(action)) {
	if(UserDB.isStopInFavorites(db, stop.ID)) {			if(UserDB.isStopInFavorites(db, stop.ID)) {
	action = Action.REMOVE;			action = Action.REMOVE;
	} else {			} else {
	action = Action.ADD;			action = Action.ADD;
	}			}
	}			}

	// at this point the action is just ADD or REMOVE			// at this point the action is just ADD or REMOVE

	// add or remove?			// add or remove?
	if(Action.ADD.equals(action)) {			if(Action.ADD.equals(action)) {
	// add			// add
	result = UserDB.addOrUpdateStop(stop, db);			result = UserDB.addOrUpdateStop(stop, db);
	} else {			} else {
	// remove			// remove
	result = UserDB.deleteStop(stop, db);			result = UserDB.deleteStop(stop, db);
	}			}

	// please sir, close the door			// please sir, close the door
	db.close();			db.close();
	}			}

	return result;			return result;
	}			}

	/**			/**
	* Callback fired when everything was done			* Callback fired when everything was done
	*			*
	* @param result			* @param result
	*/			*/
	@Override			@Override
	protected void onPostExecute(Boolean result) {			protected void onPostExecute(Boolean result) {
	super.onPostExecute(result);			super.onPostExecute(result);

	if(result) {			if(result) {
	// at this point the action should be just ADD or REMOVE			// at this point the action should be just ADD or REMOVE
	if(Action.ADD.equals(action)) {			if(Action.ADD.equals(action)) {
	// now added			// now added
	Toast.makeText(this.context, R.string.added_in_favorites, Toast.LENGTH_SHORT).show();			Toast.makeText(this.context, R.string.added_in_favorites, Toast.LENGTH_SHORT).show();
	} else {			} else {
	// now removed			// now removed
	Toast.makeText(this.context, R.string.removed_from_favorites, Toast.LENGTH_SHORT).show();			Toast.makeText(this.context, R.string.removed_from_favorites, Toast.LENGTH_SHORT).show();
	}			}
	} else {			} else {
	// wtf			// wtf
	Toast.makeText(this.context, R.string.cant_add_to_favorites, Toast.LENGTH_SHORT).show();			Toast.makeText(this.context, R.string.cant_add_to_favorites, Toast.LENGTH_SHORT).show();
	}			}
	}			}
	}			}