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/*
* This file is part of the MediaWiki extension MultimediaViewer.
*
* MultimediaViewer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* MultimediaViewer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
*/
( function () {
var L;
/**
* Writes EventLogging entries for duration measurements
*
* @class mw.mmv.logging.DurationLogger
* @extends mw.mmv.logging.Logger
* @constructor
*/
function DurationLogger() {
this.starts = Object.create( null );
this.stops = Object.create( null );
}
OO.inheritClass( DurationLogger, mw.mmv.logging.Logger );
L = DurationLogger.prototype;
/**
* @override
* @inheritdoc
*/
L.samplingFactor = mw.config.get( 'wgMultimediaViewer' ).durationSamplingFactor;
// If a sampling factor specific to loggedin users is set and we're logged in, apply it
if ( mw.config.get( 'wgMultimediaViewer' ).durationSamplingFactorLoggedin && !mw.user.isAnon() ) {
L.samplingFactor = mw.config.get( 'wgMultimediaViewer' ).durationSamplingFactorLoggedin;
}
/**
* @override
* @inheritdoc
*/
L.schema = 'MultimediaViewerDuration';
/**
* Saves the start of a duration
*
* @param {string|string[]} typeOrTypes Type(s) of duration being measured.
* @chainable
*/
L.start = function ( typeOrTypes ) {
var i,
start = ( new Date() ).getTime();
if ( !typeOrTypes ) {
throw new Error( 'Must specify type' );
}
if ( !Array.isArray( typeOrTypes ) ) {
typeOrTypes = [ typeOrTypes ];
}
for ( i = 0; i < typeOrTypes.length; i++ ) {
// Don't overwrite an existing value
if ( !( typeOrTypes[ i ] in this.starts ) ) {
this.starts[ typeOrTypes[ i ] ] = start;
}
}
return this;
};
/**
* Saves the stop of a duration
*
* @param {string} type Type of duration being measured.
* @param {number} start Start timestamp to substitute the one coming from start()
* @chainable
*/
L.stop = function ( type, start ) {
var stop = ( new Date() ).getTime();
if ( !type ) {
throw new Error( 'Must specify type' );
}
// Don't overwrite an existing value
if ( !( type in this.stops ) ) {
this.stops[ type ] = stop;
}
// Don't overwrite an existing value
if ( start !== undefined && !( type in this.starts ) ) {
this.starts[ type ] = start;
}
return this;
};
/**
* Records the duration log event
*
* @param {string} type Type of duration being measured.
* @param {Object} extraData Extra information to add to the log event data
* @chainable
*/
L.record = function ( type, extraData ) {
var e, duration;
if ( !type ) {
throw new Error( 'Must specify type' );
}
if ( !( type in this.starts ) || this.starts[ type ] === undefined ) {
return;
}
if ( !( type in this.stops ) || this.stops[ type ] === undefined ) {
return;
}
duration = this.stops[ type ] - this.starts[ type ];
e = {
type: type,
duration: duration,
loggedIn: !mw.user.isAnon(),
samplingFactor: this.samplingFactor
};
if ( extraData ) {
// eslint-disable-next-line no-jquery/no-each-util
$.each( extraData, function ( key, value ) {
e[ key ] = value;
} );
}
if ( this.isEnabled() ) {
mw.log( 'mw.mmw.logger.DurationLogger', e );
}
this.log( e );
delete this.starts[ type ];
delete this.stops[ type ];
return this;
};
mw.mmv.durationLogger = new DurationLogger();
}() );
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