Current File : /www/varak.net/wiki.varak.net/extensions/MobileFrontend/resources/mobile.nearby/NearbyGateway.js
( function ( M ) {
var limit = 50,
Page = M.require( 'mobile.startup/Page' ),
ns = mw.config.get( 'wgContentNamespaces' ),
util = M.require( 'mobile.startup/util' ),
extendSearchParams = M.require( 'mobile.search.util/extendSearchParams' );
/**
* API for retrieving nearby pages
* @class NearbyGateway
* @param {Object} options Configuration options
* @param {mw.Api} options.api
*/
function NearbyGateway( options ) {
this.api = options.api;
}
NearbyGateway.prototype = {
/**
* Returns a human readable string stating the distance in meters or kilometers
* depending on size.
* @memberof NearbyGateway
* @instance
* @private
* @param {number} d The distance in meters.
* @return {string} message stating how far the user is from the point of interest.
*/
_distanceMessage: function ( d ) {
if ( d < 1 ) {
d *= 100;
d = Math.ceil( d ) * 10;
if ( d === 1000 ) {
d = 1;
} else {
return mw.msg( 'mobile-frontend-nearby-distance-meters', mw.language.convertNumber( d ) );
}
} else {
if ( d > 2 ) {
d *= 10;
d = Math.ceil( d ) / 10;
d = d.toFixed( 1 );
} else {
d *= 100;
d = Math.ceil( d ) / 100;
d = d.toFixed( 2 );
}
}
return mw.msg( 'mobile-frontend-nearby-distance', mw.language.convertNumber( d ) );
},
/**
* Returns a list of pages around a given point
* @memberof NearbyGateway
* @instance
* @param {Object} coords In form { latitude: 0, longitude: 2 }
* @param {number} range Number of meters to perform a geosearch for
* @param {string} exclude Name of a title to exclude from the list of results
* @return {jQuery.Deferred} Object taking list of pages as argument
*/
getPages: function ( coords, range, exclude ) {
return this._search( {
ggscoord: [ coords.latitude, coords.longitude ]
}, range, exclude );
},
/**
* Gets the pages around a page. It excludes itself from the search
* @memberof NearbyGateway
* @instance
* @param {string} page Page title like "W_San_Francisco"
* @param {number} range Number of meters to perform a geosearch for
* @return {jQuery.Deferred} Object taking list of pages as argument
*/
getPagesAroundPage: function ( page, range ) {
return this._search( {
ggspage: page
}, range, page );
},
/**
* Searches for pages nearby
* @memberof NearbyGateway
* @instance
* @private
* @param {Object} params Parameters to use for searching
* @param {number} range Number of meters to perform a geosearch for
* @param {string} exclude Name of a title to exclude from the list of results
* @return {jQuery.Deferred} Object taking list of pages as argument
*/
_search: function ( params, range, exclude ) {
var requestParams,
d = util.Deferred(),
self = this;
requestParams = extendSearchParams( 'nearby', {
colimit: 'max',
prop: [ 'coordinates' ],
generator: 'geosearch',
ggsradius: range,
ggsnamespace: ns,
ggslimit: limit,
formatversion: 2
}, params );
if ( params.ggscoord ) {
requestParams.codistancefrompoint = params.ggscoord;
} else if ( params.ggspage ) {
requestParams.codistancefrompage = params.ggspage;
}
this.api.ajax( requestParams ).then( function ( resp ) {
var pages;
// resp.query.pages is an Array<Page> instead of a map like in other
// API requests
if ( resp.query ) {
pages = resp.query.pages || [];
} else {
pages = [];
}
pages = pages.map( function ( page, i ) {
var coords, p;
p = Page.newFromJSON( page );
p.anchor = 'item_' + i;
// protect against declined bug T49133
if ( page.coordinates ) {
coords = page.coordinates[0];
// FIXME: Make part of the Page object
p.dist = coords.dist / 1000;
p.latitude = coords.lat;
p.longitude = coords.lon;
p.proximity = self._distanceMessage( p.dist );
} else {
p.dist = 0;
}
if ( exclude !== page.title ) {
return p;
} else {
return null;
}
} ).filter( function ( page ) { return !!page; } );
pages.sort( function ( a, b ) {
return a.dist > b.dist ? 1 : -1;
} );
d.resolve( pages );
}, function ( error ) {
d.reject( error );
} );
return d;
}
};
M.define( 'mobile.nearby/NearbyGateway', NearbyGateway );
}( mw.mobileFrontend ) );
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