var AIRTIME = (function (AIRTIME) {
var mod;
if (AIRTIME.podcast === undefined) {
AIRTIME.podcast = {};
}
mod = AIRTIME.podcast;
var endpoint = 'rest/podcast/', PodcastTable;
/**
* PodcastController constructor.
*
* @param {{}} $scope angular scope service object
* @param {{}} $http angular http service object
* @param {{}} podcast podcast metadata object
* @param {Tab} tab Tab object the controller is being bootstrapped in
*
* @constructor
*/
function PodcastController($scope, $http, podcast, tab) {
// We need to pass in the tab object and the episodes table object so we can reference them
var self = this;
//We take a podcast object in as a parameter rather fetching the podcast by ID here because
//when you're creating a new podcast, we already have the object from the result of the POST. We're saving
//a roundtrip by not fetching it again here.
$scope.podcast = podcast;
$scope.tab = tab;
tab.setName($scope.podcast.title);
$scope.csrf = jQuery("#csrf").val();
tab.contents.find("table").attr("id", "podcast_episodes_" + podcast.id);
/**
* Override the switchTo function to reload the table when the tab is focused.
* Should help to reduce the number of cases where the frontend doesn't match the state
* of the backend (due to automatic ingestion).
*
* Note that these cases should already be very few and far between.
*
* TODO: make sure this doesn't noticeably slow performance
* XXX: it's entirely possible that this (in the angular app) is not where we want this function...
*/
tab.switchTo = function () {
AIRTIME.tabs.Tab.prototype.switchTo.call(this);
self.reloadEpisodeTable();
};
/**
* Internal function.
*
* Make a PUT request to the server to update the podcast object.
*
* @private
*/
function _updatePodcast() {
$http.put(endpoint + $scope.podcast.id, {csrf_token: $scope.csrf, podcast: $scope.podcast})
.success(function () {
// episodeTable.reload($scope.podcast.id);
self.episodeTable.getDatatable().fnDraw();
AIRTIME.library.podcastDataTable.fnDraw();
tab.setName($scope.podcast.title);
});
}
/**
* For imported podcasts.
*
* Save each of the selected episodes and update the podcast object.
*/
$scope.savePodcast = $scope.savePodcast || function () {
var episodes = self.episodeTable.getSelectedRows();
// TODO: Should we implement a batch endpoint for this instead?
jQuery.each(episodes, function () {
$http.post(endpoint + $scope.podcast.id + '/episodes', {
csrf_token: $scope.csrf,
episode: this
});
});
_updatePodcast();
};
/**
* Close the tab and discard any changes made to the podcast data.
*/
$scope.discard = function () {
tab.close();
$scope.podcast = {};
};
self.$scope = $scope;
self.$http = $http;
self.initialize();
}
/**
* Initialize the podcast episode table.
*
* @private
*/
PodcastController.prototype._initTable = function() {
var self = this,
$scope = self.$scope;
// We want to fetch the data statically for imported podcasts because we would need to implement sorting
// in a very convoluted way on the backend to accommodate the nonexistent rows for uningested episodes
var params = {
bServerSide : false,
sAjaxSource : null,
// Initialize the table with empty data so we can defer loading
// If we load sequentially there's a delay before the table appears
aaData : {},
aoColumns : [
/* GUID */ { "sTitle" : "" , "mDataProp" : "guid" , "sClass" : "podcast_episodes_guid" , "bVisible" : false },
/* Title */ { "sTitle" : $.i18n._("Title") , "mDataProp" : "title" , "sClass" : "podcast_episodes_title" , "sWidth" : "170px" },
/* Author */ { "sTitle" : $.i18n._("Author") , "mDataProp" : "author" , "sClass" : "podcast_episodes_author" , "sWidth" : "170px" },
/* Description */ { "sTitle" : $.i18n._("Description") , "mDataProp" : "description" , "sClass" : "podcast_episodes_description" , "sWidth" : "300px" },
/* Link */ { "sTitle" : $.i18n._("Link") , "mDataProp" : "link" , "sClass" : "podcast_episodes_link" , "sWidth" : "170px" },
/* Publication Date */ { "sTitle" : $.i18n._("Publication Date") , "mDataProp" : "pub_date" , "sClass" : "podcast_episodes_pub_date" , "sWidth" : "170px" }
]
},
buttons = {};
self.episodeTable = AIRTIME.podcast.initPodcastEpisodeDatatable($scope.podcast, $scope.tab, params, buttons);
self.reloadEpisodeTable();
};
/**
* Reload the podcast episode table.
*/
PodcastController.prototype.reloadEpisodeTable = function() {
this.episodeTable.reload(this.$scope.podcast.id);
};
/**
* Initialize the controller.
*
* Sets up the internal datatable.
*/
PodcastController.prototype.initialize = function() {
// TODO: this solves a race condition, but we should look for the root cause
AIRTIME.tabs.onResize();
this._initTable();
};
/**
* StationPodcastController constructor.
*
* @param {{}} $scope angular scope service object
* @param {{}} $http angular http service object
* @param {{}} podcast podcast metadata object
* @param {Tab} tab Tab object the controller is being bootstrapped in
*
* @constructor
*/
function StationPodcastController($scope, $http, podcast, tab) {
// Super call to parent controller
PodcastController.call(this, $scope, $http, podcast, tab);
/**
* For the station podcast.
*
* Update the station podcast object.
*/
$scope.savePodcast = function () {
_updatePodcast();
};
$scope.deleteSelectedEpisodes = function () {
// TODO
};
}
/**
* Subclass the PodcastController object.
*
* @type {PodcastController}
*/
StationPodcastController.prototype = Object.create(PodcastController.prototype);
/**
* Initialize the Station podcast episode table.
*
* @private
*/
StationPodcastController.prototype._initTable = function() {
var $scope = this.$scope,
buttons = {
deleteBtn: {
'title' : $.i18n._('Delete'),
'iconClass' : "icon-trash",
extraBtnClass : "btn-danger",
elementId : '',
eventHandlers : {
click: $scope.deleteSelectedEpisodes
}
}
},
params = {
sAjaxSource : endpoint + $scope.podcast.id + '/episodes',
aoColumns: [
// TODO: it might be dangerous to use CcFiles here? We should alias this instead
/* Title */ { "sTitle" : $.i18n._("Title") , "mDataProp" : "CcFiles.track_title" , "sClass" : "podcast_episodes_title" , "sWidth" : "170px" },
/* Description */ { "sTitle" : $.i18n._("Description") , "mDataProp" : "CcFiles.description" , "sClass" : "podcast_episodes_description" , "sWidth" : "300px" }
]
};
this.episodeTable = AIRTIME.podcast.initPodcastEpisodeDatatable($scope.podcast, $scope.tab, params, buttons);
};
/**
* Reload the Station podcast episode table.
*
* @override
*/
StationPodcastController.prototype.reloadEpisodeTable = function() {
self.episodeTable.getDatatable().fnDraw();
};
/**
* AngularJS app for podcast functionality.
*
* Bootstrapped for each podcast or Station podcast tab.
*/
var podcastApp = angular.module('podcast', [])
.controller('Podcast', ['$scope', '$http', 'podcast', 'tab', PodcastController])
.controller('StationPodcast', ['$scope', '$http', 'podcast', 'tab', StationPodcastController]);
/**
* Implement bulk editing of podcasts in order to accommodate the existing selection
* mechanisms on the frontend.
*
* Bulk methods use a POST request because we need to send data in the request body.
*
* @param method HTTP request method type
* @param callback function to run upon success
* @private
*/
function _bulkAction(method, callback) {
var ids = [], selectedData = AIRTIME.library.podcastTableWidget.getSelectedRows();
selectedData.forEach(function(el) {
var uid = AIRTIME.library.MediaTypeStringEnum.PODCAST+"_"+el.id,
t = AIRTIME.tabs.get(uid);
if (t && method == HTTPMethods.DELETE) {
t.close();
}
if (!(t && method == HTTPMethods.GET)) {
ids.push(el.id);
} else if (t != AIRTIME.tabs.getActiveTab()) {
t.switchTo();
}
});
if (ids.length > 0) {
$.post(endpoint + "bulk", {csrf_token: $("#csrf").val(), method: method, ids: ids}, callback);
}
}
/**
* Bootstrap and initialize the Angular app for the podcast being opened.
*
* @param podcast podcast JSON object to pass to the angular app
* @param tab Tab object the angular app will be initialized in
* @private
*/
function _bootstrapAngularApp(podcast, tab) {
podcastApp.value('podcast', podcast);
podcastApp.value('tab', tab);
var wrapper = tab.contents.find(".angular_wrapper");
angular.bootstrap(wrapper.get(0), ["podcast"]);
}
/**
* Initialization function for a podcast tab.
* Called when editing one or more podcasts.
*
* @param data JSON data returned from the server.
* Contains a JSON encoded podcast object and tab
* content HTML and has the following form:
* {
* podcast: '{
* ...
* }'
* html: '<...>'
* }
* @private
*/
function _initAppFromResponse(data) {
var podcast = JSON.parse(data.podcast),
uid = AIRTIME.library.MediaTypeStringEnum.PODCAST+"_"+podcast.id,
tab = AIRTIME.tabs.openTab(data.html, uid, null);
_bootstrapAngularApp(podcast, tab);
}
/**
* Initialize the PodcastTable subclass object (from Table).
*
* Do this in its own function to avoid unnecessary reinitialization of the object.
*
* @private
*/
function _initPodcastTable() {
PodcastTable = function(wrapperDOMNode, bItemSelection, toolbarButtons, dataTablesOptions) {
// Just call the superconstructor. For clarity/extensibility
return AIRTIME.widgets.Table.call(this, wrapperDOMNode, bItemSelection, toolbarButtons, dataTablesOptions);
}; // Subclass AIRTIME.widgets.Table
PodcastTable.prototype = Object.create(AIRTIME.widgets.Table.prototype);
PodcastTable.prototype.constructor = PodcastTable;
PodcastTable.prototype._SELECTORS = Object.freeze({
SELECTION_CHECKBOX: ".airtime_table_checkbox:has(input)",
SELECTION_TABLE_ROW: "tr:has(td.airtime_table_checkbox > input)"
});
PodcastTable.prototype._datatablesCheckboxDataDelegate = function(rowData, callType, dataToSave) {
if (rowData.ingested) return null; // Don't create checkboxes for ingested items
return AIRTIME.widgets.Table.prototype._datatablesCheckboxDataDelegate.call(this, rowData, callType, dataToSave);
};
// Since we're sometimes using a static source, define a separate function to fetch and 'reload' the table data
// We use this when we save the Podcast because we need to flag rows the user is ingesting
PodcastTable.prototype.reload = function (id) {
var dt = this._datatable;
$.get(endpoint + id + '/episodes', function (json) {
dt.fnClearTable();
dt.fnAddData(JSON.parse(json));
});
};
}
/**
* Create and show the URL dialog for podcast creation.
*/
mod.createUrlDialog = function() {
$.get('/render/podcast-url-dialog', function(json) {
$(document.body).append(json.html);
$("#podcast_url_dialog").dialog({
title: $.i18n._("Add New Podcast"),
resizable: false,
modal: true,
width: 'auto',
height: 'auto'
});
});
};
/**
* Find the URL in the podcast creation dialog and POST it to the server
* to store the feed as a Podcast object.
*
* FIXME: we should probably be passing the serialized form into this function instead
*/
mod.addPodcast = function() {
$.post(endpoint, $("#podcast_url_dialog").find("form").serialize(), function(json) {
_initAppFromResponse(json);
$("#podcast_url_dialog").dialog("close");
});
};
/**
* Open a tab to view and edit the station podcast.
*/
mod.openStationPodcast = function() {
$.get(endpoint + 'station', function(json) {
_initAppFromResponse(json);
})
};
/**
* Create a bulk request to edit all currently selected podcasts.
*/
mod.editSelectedPodcasts = function() {
_bulkAction(HTTPMethods.GET, function(json) {
json.forEach(function(data) {
_initAppFromResponse(data);
});
});
};
/**
* Create a bulk request to delete all currently selected podcasts.
*/
mod.deleteSelectedPodcasts = function() {
if (confirm($.i18n._("Are you sure you want to delete the selected podcasts from your library?"))) {
_bulkAction(HTTPMethods.DELETE, function () {
AIRTIME.library.podcastDataTable.fnDraw();
});
}
};
/**
* Initialize the internal datatable for the podcast editor view to hold episode data passed back from the server.
*
* Selection for the internal table represents episodes marked for ingest and is disabled for ingested episodes.
*
* @param podcast the podcast data JSON object.
* @param tab Tab object the podcast will be opened in
* @param params JSON object containing datatables parameters to override
* @param buttons JSON object containing datatables button parameters
*
* @returns {*} the created Table object
*/
mod.initPodcastEpisodeDatatable = function(podcast, tab, params, buttons) {
params = $.extend(params,
{
oColVis : {
sAlign: "right",
aiExclude: [0, 1],
buttonText: $.i18n._("Columns"),
iOverlayFade: 0,
oColReorder: {
iFixedColumns: 1 // Checkbox
}
}
}
);
if (typeof PodcastTable === 'undefined') {
_initPodcastTable();
}
// Set up the div with id "podcast_table" as a datatable.
var podcastEpisodesTableWidget = new PodcastTable(
tab.contents.find('.podcast_episodes'), // DOM node to create the table inside.
true, // Enable item selection
buttons, // Toolbar buttons
params // Datatables overrides.
);
podcastEpisodesTableWidget.getDatatable().addTitles("td");
return podcastEpisodesTableWidget;
};
return AIRTIME;
}(AIRTIME || {}));