GeoKnow/Jassa-Core

var Class = require('../../ext/Class');

var FacetService = require('./FacetService');

/**
 * A facet service that passes the listService (generated by a delegate)
 * to a given function
 */
var FacetServiceFn = Class.create(FacetService, {
    initialize: function(facetService, fn) {
        this.facetService = facetService;
        this.fn = fn;
    },

    prepareListService: function(pathHead) {
        var self = this;
        var result = this.facetService.prepareListService(pathHead).then(function(ls) {
            var r = self.fn(ls);
            return r;
        });

        return result;
    },

});

module.exports = FacetServiceFn;