93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
import Component from '@ember/component';
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import {computed} from '@ember/object';
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import {inject as service} from '@ember/service';
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export default Component.extend({
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store: service(),
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// public attrs
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post: null,
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tagName: '',
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// internal attrs
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availableTags: null,
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availableTagNames: computed('availableTags.@each.name', function () {
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return this.get('availableTags').map(tag => tag.get('name').toLowerCase());
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}),
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init() {
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this._super(...arguments);
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// perform a background query to fetch all users and set `availableTags`
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// to a live-query that will be immediately populated with what's in the
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// store and be updated when the above query returns
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this.store.query('tag', {limit: 'all'});
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this.set('availableTags', this.store.peekAll('tag'));
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},
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actions: {
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matchTags(tagName, term) {
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return tagName.toLowerCase() === term.trim().toLowerCase();
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},
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hideCreateOptionOnMatchingTag(term) {
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return !this.get('availableTagNames').includes(term.toLowerCase());
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},
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updateTags(newTags) {
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let currentTags = this.get('post.tags');
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// destroy new+unsaved tags that are no longer selected
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currentTags.forEach(function (tag) {
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if (!newTags.includes(tag) && tag.get('isNew')) {
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tag.destroyRecord();
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}
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});
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// update tags
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return this.set('post.tags', newTags);
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},
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createTag(tagName) {
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let currentTags = this.get('post.tags');
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let currentTagNames = currentTags.map(tag => tag.get('name').toLowerCase());
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let tagToAdd;
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tagName = tagName.trim();
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// abort if tag is already selected
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if (currentTagNames.includes(tagName.toLowerCase())) {
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return;
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}
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// add existing tag or create new one
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return this._findTagByName(tagName).then((matchedTag) => {
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tagToAdd = matchedTag;
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// create new tag if no match
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if (!tagToAdd) {
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tagToAdd = this.get('store').createRecord('tag', {
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name: tagName
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});
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// set to public/internal based on the tag name
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tagToAdd.updateVisibility();
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}
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// push tag onto post relationship
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return currentTags.pushObject(tagToAdd);
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});
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}
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},
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// methods
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_findTagByName(name) {
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let withMatchingName = function (tag) {
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return tag.get('name').toLowerCase() === name.toLowerCase();
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};
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return this.get('availableTags').then(availableTags => availableTags.find(withMatchingName));
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}
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});
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