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

93 lines
2.8 KiB
JavaScript

import Component from '@ember/component';
import {computed} from '@ember/object';
import {inject as service} from '@ember/service';
export default Component.extend({
store: service(),
// public attrs
post: null,
tagName: '',
// internal attrs
availableTags: null,
availableTagNames: computed('availableTags.@each.name', function () {
return this.get('availableTags').map(tag => tag.get('name').toLowerCase());
}),
init() {
this._super(...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'));
},
actions: {
matchTags(tagName, term) {
return tagName.toLowerCase() === term.trim().toLowerCase();
},
hideCreateOptionOnMatchingTag(term) {
return !this.get('availableTagNames').includes(term.toLowerCase());
},
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);
},
createTag(tagName) {
let currentTags = this.get('post.tags');
let currentTagNames = currentTags.map(tag => tag.get('name').toLowerCase());
let tagToAdd;
tagName = tagName.trim();
// abort if tag is already selected
if (currentTagNames.includes(tagName.toLowerCase())) {
return;
}
// add existing tag or create new one
return this._findTagByName(tagName).then((matchedTag) => {
tagToAdd = matchedTag;
// create new tag if no match
if (!tagToAdd) {
tagToAdd = this.get('store').createRecord('tag', {
name: tagName
});
// 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.get('name').toLowerCase() === name.toLowerCase();
};
return this.get('availableTags').then(availableTags => availableTags.find(withMatchingName));
}
});