Ghost-Admin/app/mixins/pagination-controller.js

62 lines
2.0 KiB
JavaScript

import Ember from 'ember';
import { getRequestErrorMessage } from 'ghost/utils/ajax';
var PaginationControllerMixin = Ember.Mixin.create({
// set from PaginationRouteMixin
paginationSettings: null,
// indicates whether we're currently loading the next page
isLoading: null,
/**
* 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'),
metadata = this.store.metadataFor(recordType),
nextPage = metadata.pagination && metadata.pagination.next,
paginationSettings = this.get('paginationSettings');
if (nextPage) {
this.set('isLoading', true);
this.set('paginationSettings.page', nextPage);
store.find(recordType, paginationSettings).then(function () {
self.set('isLoading', false);
}, function (response) {
self.reportLoadError(response);
});
}
},
resetPagination: function () {
this.set('paginationSettings.page', 1);
this.store.metaForType('tag', {pagination: undefined});
}
}
});
export default PaginationControllerMixin;