Ghost-Admin/app/components/gh-psm-tags-input.js

103 lines
2.9 KiB
JavaScript

import Component from '@ember/component';
import classic from 'ember-classic-decorator';
import {action, computed} from '@ember/object';
import {inject as service} from '@ember/service';
import {sort} from '@ember/object/computed';
import {tagName} from '@ember-decorators/component';
@classic
@tagName('')
export default class GhPsmTagsInput extends Component {
@service store;
// public attrs
post = null;
// internal attrs
_availableTags = null;
@sort('_availableTags.[]', function (tagA, tagB) {
// ignorePunctuation means the # in internal tag names is ignored
return tagA.name.localeCompare(tagB.name, undefined, {ignorePunctuation: true});
})
availableTags;
@computed('availableTags.@each.name')
get availableTagNames() {
return this.availableTags.map(tag => tag.name.toLowerCase());
}
init() {
super.init(...arguments);
// perform a background query to fetch all users and set `availableTags`
// to a live-query that will be immediately populated with what's in the
// store and be updated when the above query returns
this.store.query('tag', {limit: 'all'});
this.set('_availableTags', this.store.peekAll('tag'));
}
@action
matchTags(tagNameAttr, term) {
return tagNameAttr.toLowerCase() === term.trim().toLowerCase();
}
@action
hideCreateOptionOnMatchingTag(term) {
return !this.availableTagNames.includes(term.toLowerCase());
}
@action
updateTags(newTags) {
let currentTags = this.get('post.tags');
// destroy new+unsaved tags that are no longer selected
currentTags.forEach(function (tag) {
if (!newTags.includes(tag) && tag.get('isNew')) {
tag.destroyRecord();
}
});
// update tags
return this.set('post.tags', newTags);
}
@action
createTag(tagNameAttr) {
let currentTags = this.get('post.tags');
let currentTagNames = currentTags.map(tag => tag.get('name').toLowerCase());
let tagToAdd;
tagNameAttr = tagNameAttr.trim();
// abort if tag is already selected
if (currentTagNames.includes(tagNameAttr.toLowerCase())) {
return;
}
// find existing tag if there is one
tagToAdd = this._findTagByName(tagNameAttr);
// create new tag if no match
if (!tagToAdd) {
tagToAdd = this.store.createRecord('tag', {
name: tagNameAttr
});
// set to public/internal based on the tag name
tagToAdd.updateVisibility();
}
// push tag onto post relationship
return currentTags.pushObject(tagToAdd);
}
// methods
_findTagByName(name) {
let withMatchingName = function (tag) {
return tag.name.toLowerCase() === name.toLowerCase();
};
return this.availableTags.find(withMatchingName);
}
}