Extract youtube videos from wikia

extractwikiayoutubevideos.js

/*
 Execute in the browser's console

 Extracts all videos from youtube in a json. The object is printed in the console, where you can "copy as object". 
 You may need to modify the category title
 */

(function() {
	var _videoCollection = {},
	_init = function() {
		_fetchVideos();
	},
	_fetchVideos = function(contParams) {
		var params = {
			action: 'query',
			format: 'json',
			prop: 'imageinfo',
			generator: 'categorymembers',
			iiprop: 'metadata',
			gcmtitle: 'Category:Videos',
			formatversion: 2,
		};

		if (contParams) {
			$.extend(params, contParams);
		}

		$.getJSON(mw.config.get('wgScriptPath') + '/api.php', params, _getResult);
	},
	_getResult = function(data) {
		_parseResults(data);
		if (data['continue']) {
			_fetchVideos(data['continue']);
		} else {
			_finish();
		}
	},
	_parseResults = function(data) {
		var videoId;
		for (var pp of data.query.pages) {
			if (pp.imageinfo && pp.imageinfo[0]) {
				videoId = null;
				for (var mm of pp.imageinfo[0].metadata) {
					if (mm.name == 'videoId') {
						videoId = mm.value;
					}
					if (mm.name == 'provider' && mm.value != 'youtube') {
						// Si no es youtube, skip
						videoId = null;
						break;
					}
				}
				if (videoId) {
					_videoCollection[pp.title] = videoId;
				}
			}
		}
	},
	_finish = function() {
		console.log(_videoCollection);
	};

	_init();

})();