rater.js

/* 

Rater Module for Appcelerator Titanium

About:
Created by Greg Pierce, http://agiletortoise.com
Modified by Raul Riera, http://raulriera.com

*/

var Rater = {
    appName: '',
    appId: '',
    appLaunches: 20,
    appUsageInSeconds: 0 // 0 if you don't want to use this
};

Rater.data = {
    launchCount: 0,
    timeUsed: 0,
    neverRemind: false
};

Rater.startUsageTimer = function(){
    Rater.usageTimerInterval = setInterval(function() {
        Rater.data.timeUsed++;

        // Debugging
        // Ti.API.info(Rater.data.timeUsed + " seconds of app usage");

        // Check if the desired usage time has been reached
        if(Rater.data.timeUsed === Rater.appUsageInSeconds) {
            // Pause the timer
            Rater.pauseUsageTimer();
            // Open the rating dialog
            Rater.openRateDialog();
        }                    
    }, 1000);
};

Rater.pauseUsageTimer = function(){
    clearInterval(Rater.usageTimerInterval);
};

Rater.initUsageCounter = function(){
    // Check if the user wants to use this feature
    if (Rater.appUsageInSeconds > 0) {
        Rater.startUsageTimer();
    }
};

Rater.load = function(){
    // Read the data
    Rater.read();

    // Increase the launch count
    Rater.data.launchCount++;

    // Init the usage counter
    Rater.initUsageCounter();

    // Save the data
    Rater.save();
};

Rater.read = function(){
    var prop = Ti.App.Properties.getString("RaterData", null);
    if(prop) {
        Rater.data = JSON.parse(prop);
    }
};

Rater.save = function(){
    Ti.App.Properties.setString("RaterData", JSON.stringify(Rater.data));
};

Rater.run = function(){
    
    if(Rater.data.neverRemind || Rater.data.launchCount % Rater.appLaunches != 0) { return; }

    Rater.openRateDialog();
};

Rater.openRateDialog = function(){
    var a = Ti.UI.createAlertDialog({
        title: L("rating_title"),
        message: String.format(L('rating_message'), Rater.appName),
        buttonNames: [L("rating_option_1"), L("rating_option_2"), L("rating_option_3")],
        cancel: 2
    });

    a.addEventListener('click',function(e){
        switch(e.index) {
            case 0 : // rate
                Rater.data.neverRemind = true;
                Rater.save();
                
                // detect android device 
                if( Titanium.Platform.osname == 'android' ){
    				Ti.Platform.openURL("market://details?id=" + Ti.App.id);                    
                }
                else {
                    Ti.Platform.openURL("itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=" + Rater.appId);
                }
                
                break;
            case 1 : // don't remind
                Rater.data.neverRemind = true;
                Rater.save();
                break;
        }
    });
    a.show();
};

exports.gotoRating = function(_appId) {
	if (!_appId) _appId = Rater.appId;
	
	// detect android device 
    if( Titanium.Platform.osname == 'android' ){
		Ti.API.info('Opening rater for android with id: ' + Ti.App.id);
    	Ti.Platform.openURL("market://details?id=" + Ti.App.id);              
    }
    else{
    	// detect iphone and ipad device
		Ti.API.info('Opening rater for iOS with id: ' + _appId);
    	Ti.Platform.openURL("itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=" + _appId);
    }	
};

exports.init = function(_appName, _appId) {
    Rater.load();

    // Set the default values
    Rater.appName = _appName;
    Rater.appId = _appId;

    Rater.run();
};

Ti.App.addEventListener('resumed', function(e){ 
    // Read the data again
    Rater.read();
});

Ti.App.addEventListener('pause', function(e){   
    // Save the data
    Rater.save();
});