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ac9f269085
closes #3153 - this is all about the validation engine - add a option, `opts.model`, to use a passed-in model directly if needed - handle validators that return an array of strings, array of objects, or both - ajax util returns either an array of errors or a single concat'd string - remove formatErrors function from the mixin and make it private - allow validation options to be passed into `.save()` since ember-data doesn't take params on `.save()` anyway - streamline control flow
131 lines
4.1 KiB
JavaScript
131 lines
4.1 KiB
JavaScript
import { getRequestErrorMessage } from 'ghost/utils/ajax';
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var PostsController = Ember.ArrayController.extend({
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// this will cause the list to re-sort when any of these properties change on any of the models
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sortProperties: ['status', 'published_at', 'updated_at'],
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// override Ember.SortableMixin
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//
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// this function will keep the posts list sorted when loading individual/bulk
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// models from the server, even if records in between haven't been loaded.
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// this can happen when reloading the page on the Editor or PostsPost routes.
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//
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// a custom sort function is needed in order to sort the posts list the same way the server would:
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// status: ASC
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// published_at: DESC
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// updated_at: DESC
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orderBy: function (item1, item2) {
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function publishedAtCompare() {
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var published1 = item1.get('published_at'),
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published2 = item2.get('published_at');
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if (!published1 && !published2) {
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return 0;
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}
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if (!published1 && published2) {
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return -1;
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}
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if (!published2 && published1) {
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return 1;
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}
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return Ember.compare(item1.get('published_at').valueOf(), item2.get('published_at').valueOf());
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}
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var updated1 = item1.get('updated_at'),
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updated2 = item2.get('updated_at'),
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statusResult,
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updatedAtResult,
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publishedAtResult;
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// when `updated_at` is undefined, the model is still
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// being written to with the results from the server
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if (item1.get('isNew') || !updated1) {
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return -1;
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}
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if (item2.get('isNew') || !updated2) {
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return 1;
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}
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statusResult = Ember.compare(item1.get('status'), item2.get('status'));
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updatedAtResult = Ember.compare(updated1.valueOf(), updated2.valueOf());
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publishedAtResult = publishedAtCompare();
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if (statusResult === 0) {
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if (publishedAtResult === 0) {
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// This should be DESC
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return updatedAtResult * -1;
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}
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// This should be DESC
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return publishedAtResult * -1;
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}
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return statusResult;
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},
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// set from PostsRoute
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paginationSettings: null,
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// holds the next page to load during infinite scroll
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nextPage: null,
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// indicates whether we're currently loading the next page
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isLoading: null,
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init: function () {
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this._super();
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var metadata = this.store.metadataFor('post');
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this.set('nextPage', metadata.pagination.next);
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},
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/**
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* Takes an ajax response, concatenates any error messages, then generates an error notification.
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* @param {jqXHR} response The jQuery ajax reponse object.
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* @return
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*/
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reportLoadError: function (response) {
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var message = 'A problem was encountered while loading more posts';
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if (response) {
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// Get message from response
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message += ': ' + getRequestErrorMessage(response, true);
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} else {
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message += '.';
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}
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this.notifications.showError(message);
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},
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actions: {
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/**
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* Loads the next paginated page of posts into the ember-data store. Will cause the posts list UI to update.
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* @return
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*/
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loadNextPage: function () {
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var self = this,
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store = this.get('store'),
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nextPage = this.get('nextPage'),
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paginationSettings = this.get('paginationSettings');
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if (nextPage) {
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this.set('isLoading', true);
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this.set('paginationSettings.page', nextPage);
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store.find('post', paginationSettings).then(function () {
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var metadata = store.metadataFor('post');
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self.set('nextPage', metadata.pagination.next);
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self.set('isLoading', false);
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}, function (response) {
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self.reportLoadError(response);
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});
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}
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}
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}
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});
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export default PostsController;
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