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/**
* ownCloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright Bernhard Posselt 2014
*/
app.service('OPMLParser', function () {
'use strict';
var parseOutline = function (outline) {
var url = outline.attr('xmlUrl') || outline.attr('htmlUrl');
var name = outline.attr('title') || outline.attr('text') || url;
// folder
if (url === undefined) {
return {
type: 'folder',
name: name,
feeds: []
};
// feed
} else {
return {
type: 'feed',
name: name,
url: url
};
}
};
// there is only one level, so feeds in a folder in a folder should be
// attached to the root folder
var recursivelyParse = function (level, root, firstLevel) {
for (var i = 0; i < level.length; i += 1) {
var outline = $(level[i]);
var entry = parseOutline(outline);
if (entry.type === 'feed') {
root.feeds.push(entry);
} else {
// only first level should append folders
if (firstLevel) {
recursivelyParse(outline.children('outline'), entry, false);
root.folders.push(entry);
} else {
recursivelyParse(outline.children('outline'), root, false);
}
}
}
return root;
};
this.parse = function (xml) {
xml = $.parseXML(xml);
var firstLevel = $(xml).find('body > outline');
var root = {
'feeds': [],
'folders': []
};
var parsedResult = recursivelyParse(firstLevel, root, true);
// merge folders with duplicate names
var folders = {};
parsedResult.folders.forEach(function (folder) {
if (folders[folder.name] === undefined) {
folders[folder.name] = folder;
} else {
folders[folder.name].feeds = folders[folder.name]
.feeds.concat(folder.feeds);
}
});
return {
'feeds': parsedResult.feeds,
'folders': Object.keys(folders).map(function (key) {
return folders[key];
})
};
};
});
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