Podcast/js/services.js

469 lines
16 KiB
JavaScript

'use strict';
/* Services */
angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList', 'podcasts.models', 'podcasts.player'])
.service('url', ['$window', function($window) {
return {
url: $window.URL || $window.webkitURL,
createObjectUrl: function(data) {
return this.url.createObjectURL(data);
}
};
}])
.service('pageSwitcher', ['$location', '$route', function($location, $route) {
return {
//TODO: change these getElementById's to something else
pageSwitcher: document.getElementById('pageSwitcher'),
pages: ['queue', 'settings', 'feeds'],
$route: $route,
currentPage: null,
backPage: null,
change: function(current) {
this.currentPage = current;
var nextPage = this.getNextPage(this.currentPage);
angular.element(document.getElementById('pageswitch-icon-' + this.currentPage))
.addClass('next').removeClass('next1 next2');
angular.element(document.getElementById('pageswitch-icon-' + nextPage))
.addClass('next1').removeClass('next next2');
angular.element(document.getElementById('pageswitch-icon-' + this.getNextPage(nextPage)))
.addClass('next2').removeClass('next next1');
},
setBack: function(backPage) {
this.backPage = backPage;
},
getNextPage: function(current) {
var nextPage,
pages = this.pages,
validRoute = false;
angular.forEach(pages, function(value, key) {
if (current === value) {
var nextKey = key + 1;
if (pages[nextKey]) {
nextPage = pages[nextKey];
} else {
nextPage = pages[0];
}
}
});
angular.forEach(this.$route.routes, function(value, key) {
if (key === '/' + nextPage) {
validRoute = true;
}
});
if (!validRoute) {
console.error('no valid route found for pageSwitcher: ' + nextPage);
}
return nextPage;
},
goToPage: function(page) {
if (!page) {
if (this.backPage) {
page = this.backPage;
} else {
page = this.getNextPage(this.currentPage);
}
}
if (this.backPage) {
this.backPage = null;
}
$location.path('/'+page);
}
}
}])
.filter('time', function() {
return function(input, skip) {
var seconds, minutes, hours;
seconds = Math.floor(input);
if (seconds > 120) {
minutes = Math.floor(seconds/60);
seconds = seconds % 60;
if (seconds < 10) {
seconds = '0' + seconds;
}
}
if (minutes > 60) {
hours = Math.floor(minutes/60);
minutes = minutes % 60;
if (minutes < 10) {
minutes = '0' + minutes;
}
}
if (hours) {
return hours + ':' + minutes + ':' + seconds;
} else if (minutes) {
return minutes + ':' + seconds;
} else {
if (skip) {
return seconds;
}
return seconds + 's';
}
}
})
.filter('timeAgo', function() {
return function(timestamp) {
var diff = ((new Date().getTime()) - (new Date(timestamp).getTime())) / 1000,
day_diff = Math.floor(diff / 86400);
return day_diff == 0 && (
diff < 60 && "just now" ||
diff < 120 && "1 minute ago" ||
diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
diff < 7200 && "1 hour ago" ||
diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
day_diff == 1 && "Yesterday" ||
day_diff < 7 && day_diff + " days ago" ||
day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago" ||
"older than a month";
}
})
.service('downloaderBackend', ['$http', '$q', 'xmlParser', '$rootScope', function($http, $q, xmlParser, $rootScope) {
return {
downloadFile: function(url) {
var deferred = $q.defer();
$http.get(url, {'responseType': 'blob'})
.success(function(file) {
deferred.resolve(file);
})
.error(function() {
deferred.reject();
})
;
return deferred.promise;
},
downloadXml: function(url) {
var deferred = $q.defer();
$rootScope.$apply($http.get(url)
.success(function(xml) {
deferred.resolve(xmlParser.parse(xml));
})
.error(function(data, status, headers, config) {
deferred.reject();
})
);
return deferred.promise;
}
}
}]);
angular.module('podcasts.downloader', ['podcasts.settings', 'podcasts.database', 'podcasts.utilities', 'podcasts.models'])
.service('downloader', ['db', 'url', '$http', 'settings', '$rootScope', 'feedItems', function(db, url, $http, settings, $rootScope, feedItems) {
return {
allowedToDownload: function(callback) {
callback(true);
/*
Not sure how to check this...
settings.get('downloadOnWifi', function(setting) {
if (setting.value) {
//TODO: check if we're on wifi
callback(false);
} else {
callback(true);
}
}, function() {
callback(true); // Default value is "allowed" - maybe change this?
});
*/
},
downloadAll: function(silent) {
var downloader = this;
this.allowedToDownload(function(value) {
if (!value) {
console.log('Not Allowed to Download because not on Wifi');
if (!angular.isUndefined(silent) && !silent) {
alert('not Downloading because not on WiFi'); //TODO: nicer error message?
}
} else {
var itemsToDownload = [];
db.get("feedItem", IDBKeyRange.only(1), "ixQueued")
.then(function(results) {
angular.forEach(results, function(item) {
if (!item.audio && item.audioUrl) {
itemsToDownload.push(item);
}
});
downloader.downloadFiles(itemsToDownload);
});
}
});
},
downloadFiles: function(itemsToDownload) {
var item = itemsToDownload.shift(),
downloader = this;
if (!item) {
return;
}
console.log('downloading File for: ' + item.title);
$rootScope.$apply(
$http.get(item.audioUrl, {'responseType': 'blob'})
.success(function(data) {
console.log('downloaded audio file for saving');
item.audio = data;
item.duration = downloader.getAudioLength(data);
feedItems.save(item);
downloader.downloadFiles(itemsToDownload);
})
.error(function() {
console.warn('Could not download file');
})
);
},
getAudioLength: function(audio) {
var tmpAudio = new Audio();
tmpAudio.autoplay = false;
tmpAudio.muted = true;
tmpAudio.src = url.createObjectUrl(audio);
return tmpAudio.duration;
}
};
}]);
angular.module('podcasts.updater', ['podcasts.settings', 'podcasts.alarmManager', 'podcasts.downloader'])
.run(['update', function(update) {
//update.checkFeeds();
}])
.service('update', ['$log', 'downloader', 'updateFeedsAlarmManager', function($log, downloader, updateFeedsAlarmManager) {
var checkFeeds = function() {
$log.info('Running Feed Check');
update();
updateFeedsAlarmManager.setAlarm();
};
function update() {
downloader.downloadAll(true);
}
return {
checkFeeds: checkFeeds,
update: update
};
}])
;
angular.module('podcasts.settings', ['podcasts.database'])
.run(['settings', function(settings) {
settings.init();
}])
.service('settings', ['db', function(db) {
var settings = {},
initialized = false,
waiting = [];
function _init() {
db.get("setting")
.then(function(results) {
angular.forEach(results, function(item) {
settings[item.name] = item;
});
initialized = true;
for (var i = 0, l = waiting.length; i < l; i++) {
waiting[i]();
}
});
}
function _set(name, value, key) {
var setting;
if (key) {
setting = {'id': key, 'name': name, 'value': value};
if (settings[name]['id'] === key) {
settings[name] = setting;
} else {
//TODO: name changed, go through all settings and find the setting by id, and adjust it
}
} else {
setting = {'name': name, 'value': value};
settings[name] = setting;
//TODO: get id after inserting into DB
}
db.put("setting", setting);
}
function _get(name, onSuccess, onFailure) {
if (!initialized) {
waiting.push(function() {
_get(name, onSuccess, onFailure);
});
return;
}
if (!angular.isUndefined(settings[name])) {
onSuccess(settings[name]);
} else {
db.get("setting", IDBKeyRange.only(name), "ixName")
.then(function(results) {
onSuccess(results[0]);
}, function() {
if (typeof onFailure === 'function') {
onFailure();
}
});
}
}
function _setAllValuesInScope(scope) {
if (angular.isObject(scope.settings.refreshInterval)) { // Took random setting here
return;
}
if (!initialized) {
waiting.push(function() {
_setAllValuesInScope(scope);
});
return;
}
angular.forEach(settings, function(setting, index) {
scope.settings[setting.name] = setting;
});
scope.$apply(); //TODO: this conflicts with digest when getting to the settings page a second time
}
return {
init: _init,
set: _set,
get: _get,
setAllValuesInScope: _setAllValuesInScope
};
}])
;
angular.module('podcasts.importer', ['podcasts.utilities', 'podcasts.services', 'podcasts.models'])
.service('opml', ['xmlParser', 'feeds', function(xmlParser, feeds) {
return {
import: function(xml) {
angular.forEach(xml.find('outline'), function(value, key) {
var element = angular.element(value);
if ("rss" != element.attr('type')) {
return;
}
var feedUrl = element.attr('xmlUrl');
if (feedUrl) {
feeds.add(feedUrl);
}
});
}
}
}])
.service('google', ['$q', '$http', 'feeds', function($q, $http, feeds) {
return {
import: function(email, password) {
var google = this;
this.auth(email,
password)
.then(function(authId) {
return google.fetchSubscriptions(authId)
}, function() {
//TODO: display error
})
.then(function(subscriptions) {
google.addFeedsFromJsonResponse(subscriptions);
})
;
},
auth: function(email, password) {
var escapedEmail = encodeURIComponent(email),
escapedPassword = encodeURIComponent(password),
deferred = $q.defer();
$http.post(
'https://www.google.com/accounts/ClientLogin',
'Email=' + escapedEmail + '&Passwd=' + escapedPassword + '&service=reader',
{'headers': {'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'}}
).success(function(response) {
response.split(/\r\n|\r|\n/).forEach(function(value, index) {
var valueSplit = value.split('=');
if ('Auth' === valueSplit[0]) {
deferred.resolve(valueSplit[1]);
}
});
}).error(function(data, status, headers, config) {
console.log(data, status, headers);
deferred.reject();
});
return deferred.promise;
},
fetchSubscriptions: function(authId) {
var deferred = $q.defer();
$http
.get(
'http://www.google.com/reader/api/0/subscription/list?output=json',
{'headers': {'Authorization': 'GoogleLogin auth=' + authId}}
)
.success(function(json) {
deferred.resolve(json);
})
.error(function(data, status, headers, config) {
deferred.reject();
})
;
return deferred.promise;
},
addFeedsFromJsonResponse: function(json) {
json.subscriptions.forEach(function(subscription, subscriptionIndex) {
if (subscription.categories.length <= 0) {
return false;
}
subscription.categories.forEach(function(category, categoryIndes) {
if ("Listen Subscriptions" === category.label) {
var feedUrl = subscription.id;
if ("feed/" === feedUrl.substring(0, 5)) {
feedUrl = feedUrl.substring(5);
}
feeds.add(feedUrl);
}
});
});
}
};
}])
;
angular.module('podcasts.router', [])
.service('pageChanger', ['$location', function($location) {
function goToFeed(feedId) {
$location.path('/feed/' + feedId);
}
return {
goToFeed: goToFeed
};
}])
;