103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
import Component from '@ember/component';
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import classic from 'ember-classic-decorator';
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import {action, computed} from '@ember/object';
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import {inject as service} from '@ember/service';
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import {sort} from '@ember/object/computed';
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import {tagName} from '@ember-decorators/component';
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@classic
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@tagName('')
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export default class GhPsmTagsInput extends Component {
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@service store;
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// public attrs
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post = null;
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// internal attrs
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_availableTags = null;
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@sort('_availableTags.[]', function (tagA, tagB) {
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// ignorePunctuation means the # in internal tag names is ignored
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return tagA.name.localeCompare(tagB.name, undefined, {ignorePunctuation: true});
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})
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availableTags;
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@computed('availableTags.@each.name')
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get availableTagNames() {
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return this.availableTags.map(tag => tag.name.toLowerCase());
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}
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init() {
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super.init(...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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@action
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matchTags(tagNameAttr, term) {
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return tagNameAttr.toLowerCase() === term.trim().toLowerCase();
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}
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@action
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hideCreateOptionOnMatchingTag(term) {
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return !this.availableTagNames.includes(term.toLowerCase());
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}
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@action
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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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@action
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createTag(tagNameAttr) {
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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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tagNameAttr = tagNameAttr.trim();
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// abort if tag is already selected
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if (currentTagNames.includes(tagNameAttr.toLowerCase())) {
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return;
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}
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// find existing tag if there is one
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tagToAdd = this._findTagByName(tagNameAttr);
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// create new tag if no match
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if (!tagToAdd) {
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tagToAdd = this.store.createRecord('tag', {
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name: tagNameAttr
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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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// methods
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_findTagByName(name) {
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let withMatchingName = function (tag) {
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return tag.name.toLowerCase() === name.toLowerCase();
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};
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return this.availableTags.find(withMatchingName);
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}
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}
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