import { getRequestErrorMessage } from 'ghost/utils/ajax'; var PaginationControllerMixin = Ember.Mixin.create({ // set from PaginationRouteMixin paginationSettings: null, // holds the next page to load during infinite scroll nextPage: null, // indicates whether we're currently loading the next page isLoading: null, /** * * @param {object} options: { * modelType: <String> name of the model that will be paginated * } */ init: function (options) { this._super(options); var metadata = this.store.metadataFor(options.modelType); this.set('nextPage', metadata.pagination.next); }, /** * Takes an ajax response, concatenates any error messages, then generates an error notification. * @param {jqXHR} response The jQuery ajax reponse object. * @return */ reportLoadError: function (response) { var message = 'A problem was encountered while loading more records'; if (response) { // Get message from response message += ': ' + getRequestErrorMessage(response, true); } else { message += '.'; } this.notifications.showError(message); }, actions: { /** * Loads the next paginated page of posts into the ember-data store. Will cause the posts list UI to update. * @return */ loadNextPage: function () { var self = this, store = this.get('store'), recordType = this.get('model').get('type'), nextPage = this.get('nextPage'), paginationSettings = this.get('paginationSettings'); if (nextPage) { this.set('isLoading', true); this.set('paginationSettings.page', nextPage); store.find(recordType, paginationSettings).then(function () { var metadata = store.metadataFor(recordType); self.set('nextPage', metadata.pagination.next); self.set('isLoading', false); }, function (response) { self.reportLoadError(response); }); } } } }); export default PaginationControllerMixin;