angular-cookie.js

/*
* Copyright 2013 Ivan Pusic
* Contributors:
*   Matjaz Lipus
*/
angular.module('ivpusic.cookie', ['ng']).
factory('ipCookie', ['$document', function ($document) {
    'use strict';

    return (function() {
        function cookieFun(key, value, options) {

            var cookies, 
                list, 
                i, 
                cookie, 
                pos, 
                name,
                hasCookies,
                all,
                expiresFor;

            options = options || {};

            if (value !== undefined) {
                // we are setting value
                value = typeof value === 'object' ? JSON.stringify(value) : String(value);

                if (typeof options.expires === 'number') {
                    expiresFor = options.expires;
                    options.expires = new Date();
                    // Trying to delete a cookie; set a date far in the past
                    if(expiresFor === -1) {
                        options.expires = new Date('Thu, 01 Jan 1970 00:00:00 GMT');
                        // A new 
                    } else {
                        if (options.expirationUnit !== undefined) {
                            if (options.expirationUnit === 'minutes') {
                                options.expires.setMinutes(options.expires.getMinutes() + expiresFor);
                            }
                            else {
                                options.expires.setDate(options.expires.getDate() + expiresFor);
                            }
                        }
                        else {
                            options.expires.setDate(options.expires.getDate() + expiresFor);
                        }   
                    }
                }   
                return ($document[0].cookie = [
                    encodeURIComponent(key),
                    '=',
                    encodeURIComponent(value),
                    options.expires ? '; expires=' + options.expires.toUTCString() : '',
                    options.path    ? '; path=' + options.path : '',
                    options.domain  ? '; domain=' + options.domain : '',
                    options.secure  ? '; secure' : ''
                    ].join('')); 
            }

            list = [];
            all = $document[0].cookie;
            if (all) {
                list = all.split("; ");
            }

            cookies = {};
            hasCookies = false;

            for(i = 0; i < list.length; ++i) {  
                if (list[i]) {
                    cookie = list[i];
                    pos = cookie.indexOf("=");        
                    name = cookie.substring(0, pos);
                    value = decodeURIComponent(cookie.substring(pos + 1));

                    if (key === undefined || key === name) {
                        try {
                            cookies[name] = JSON.parse(value);
                        } catch (e) {
                            cookies[name] = value;
                        }
                        if (key === name) {
                            return cookies[name];
                        }
                        hasCookies = true;
                    }
                }
            }
            if (hasCookies && key === undefined) {
                return cookies;
            }
        }
        cookieFun.remove = function (key, options) {

            var hasCookie = cookieFun(key) !== undefined;
            if (hasCookie) {
                if(!options) {
                    options = {};
                }
                options.expires = -1;
                cookieFun(key, '', options);
            }
            return hasCookie;
        };
        return cookieFun;
    }());
}]);