82 lines
2 KiB
JavaScript
82 lines
2 KiB
JavaScript
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/* global Metamaps */
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import Backbone from 'backbone'
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Backbone.$ = window.$
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import Map from './Map'
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/*
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* Dependencies:
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* - Metamaps.Loading
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*/
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const MapCollection = Backbone.Collection.extend({
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model: Map,
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initialize: function (models, options) {
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this.id = options.id
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this.sortBy = options.sortBy
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if (options.mapperId) {
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this.mapperId = options.mapperId
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}
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// this.page represents the NEXT page to fetch
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this.page = models.length > 0 ? (models.length < 20 ? 'loadedAll' : 2) : 1
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},
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url: function () {
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if (!this.mapperId) {
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return '/explore/' + this.id + '.json'
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} else {
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return '/explore/mapper/' + this.mapperId + '.json'
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}
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},
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comparator: function (a, b) {
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a = a.get(this.sortBy)
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b = b.get(this.sortBy)
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var temp
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if (this.sortBy === 'name') {
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a = a ? a.toLowerCase() : ''
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b = b ? b.toLowerCase() : ''
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} else {
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// this is for updated_at and created_at
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temp = a
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a = b
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b = temp
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a = (new Date(a)).getTime()
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b = (new Date(b)).getTime()
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}
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return a > b ? 1 : a < b ? -1 : 0
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},
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getMaps: function (cb) {
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var self = this
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Metamaps.Loading.show()
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if (this.page !== 'loadedAll') {
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var numBefore = this.length
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this.fetch({
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remove: false,
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silent: true,
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data: { page: this.page },
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success: function (collection, response, options) {
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// you can pass additional options to the event you trigger here as well
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if (collection.length - numBefore < 20) {
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self.page = 'loadedAll'
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} else {
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self.page += 1
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}
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self.trigger('successOnFetch', cb)
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},
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error: function (collection, response, options) {
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// you can pass additional options to the event you trigger here as well
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self.trigger('errorOnFetch')
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}
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})
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} else {
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self.trigger('successOnFetch', cb)
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}
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}
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})
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export default MapCollection
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