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c2793eedd3
no issue Our server-defined `mobiledoc` object was required by `UrlUtils.cardTransformers` property to help set up a shortcut for url transform functions but that was breaking the independence of `UrlUtils` by crossing the shared/server boundary. - `cardTransformers` is only needed for the `mobiledocToTransformReady` utility function that will only be used by the server - removed `UrlUtils.cardTransformers` (and associated require) from our `UrlUtils` instance and updated the few areas the server uses `mobiledocToTransformReady()` to pass in the mobiledoc card objects directly as an option
1168 lines
46 KiB
JavaScript
1168 lines
46 KiB
JavaScript
// # Post Model
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const _ = require('lodash');
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const uuid = require('uuid');
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const moment = require('moment');
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const Promise = require('bluebird');
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const {sequence} = require('@tryghost/promise');
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const i18n = require('../../shared/i18n');
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const errors = require('@tryghost/errors');
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const nql = require('@nexes/nql');
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const htmlToPlaintext = require('../../shared/html-to-plaintext');
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const ghostBookshelf = require('./base');
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const config = require('../../shared/config');
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const settingsCache = require('../services/settings/cache');
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const limitService = require('../services/limits');
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const mobiledocLib = require('../lib/mobiledoc');
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const relations = require('./relations');
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const urlUtils = require('../../shared/url-utils');
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const MOBILEDOC_REVISIONS_COUNT = 10;
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const ALL_STATUSES = ['published', 'draft', 'scheduled'];
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let Post;
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let Posts;
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Post = ghostBookshelf.Model.extend({
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tableName: 'posts',
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/**
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* @NOTE
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*
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* We define the defaults on the schema (db) and model level.
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*
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* Why?
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* - when you insert a resource, Knex does only return the id of the created resource
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* - see https://knexjs.org/#Builder-insert
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* - that means `defaultTo` is a pure database configuration (!)
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* - Bookshelf just returns the model values which you have asked Bookshelf to insert
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* - it can't return the `defaultTo` value from the schema/db level
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* - but the db defaults defined in the schema are saved in the database correctly
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* - `models.Post.add` always does to operations:
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* 1. add
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* 2. fetch (this ensures we fetch the whole resource from the database)
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* - that means we have to apply the defaults on the model layer to ensure a complete field set
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* 1. any connected logic in our model hooks e.g. beforeSave
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* 2. model events e.g. "post.published" are using the inserted resource, not the fetched resource
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*/
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defaults: function defaults() {
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let visibility = 'public';
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if (settingsCache.get('default_content_visibility')) {
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visibility = settingsCache.get('default_content_visibility');
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}
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return {
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uuid: uuid.v4(),
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status: 'draft',
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featured: false,
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type: 'post',
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visibility: visibility,
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email_recipient_filter: 'none'
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};
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},
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relationships: ['tags', 'authors', 'mobiledoc_revisions', 'posts_meta'],
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// NOTE: look up object, not super nice, but was easy to implement
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relationshipBelongsTo: {
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tags: 'tags',
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authors: 'users',
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posts_meta: 'posts_meta'
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},
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relationsMeta: {
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posts_meta: {
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targetTableName: 'posts_meta',
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foreignKey: 'post_id'
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},
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email: {
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targetTableName: 'emails',
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foreignKey: 'post_id'
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}
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},
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parse() {
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const attrs = ghostBookshelf.Model.prototype.parse.apply(this, arguments);
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// transform URLs from __GHOST_URL__ to absolute
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[
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'mobiledoc',
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'html',
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'plaintext',
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'custom_excerpt',
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'codeinjection_head',
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'codeinjection_foot',
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'feature_image',
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'og_image',
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'twitter_image',
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'canonical_url'
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].forEach((attr) => {
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if (attrs[attr]) {
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attrs[attr] = urlUtils.transformReadyToAbsolute(attrs[attr]);
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}
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});
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// update legacy email_recipient_filter values to proper NQL
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if (attrs.email_recipient_filter === 'free') {
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attrs.email_recipient_filter = 'status:free';
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}
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if (attrs.email_recipient_filter === 'paid') {
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attrs.email_recipient_filter = 'status:-free';
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}
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return attrs;
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},
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// Alternative to Bookshelf's .format() that is only called when writing to db
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formatOnWrite(attrs) {
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// Ensure all URLs are stored as transform-ready with __GHOST_URL__ representing config.url
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const urlTransformMap = {
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mobiledoc: {
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method: 'mobiledocToTransformReady',
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options: {
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cardTransformers: mobiledocLib.cards
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}
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},
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html: 'htmlToTransformReady',
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plaintext: 'plaintextToTransformReady',
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custom_excerpt: 'htmlToTransformReady',
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codeinjection_head: 'htmlToTransformReady',
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codeinjection_foot: 'htmlToTransformReady',
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feature_image: 'toTransformReady',
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og_image: 'toTransformReady',
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twitter_image: 'toTransformReady',
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canonical_url: {
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method: 'toTransformReady',
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options: {
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ignoreProtocol: false
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}
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}
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};
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Object.entries(urlTransformMap).forEach(([attrToTransform, transform]) => {
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let method = transform;
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let transformOptions = {};
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if (typeof transform === 'object') {
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method = transform.method;
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transformOptions = transform.options || {};
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}
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if (attrs[attrToTransform]) {
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attrs[attrToTransform] = urlUtils[method](attrs[attrToTransform], transformOptions);
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}
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});
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// update legacy email_recipient_filter values to proper NQL
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if (attrs.email_recipient_filter === 'free') {
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attrs.email_recipient_filter = 'status:free';
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}
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if (attrs.email_recipient_filter === 'paid') {
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attrs.email_recipient_filter = 'status:-free';
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}
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// transform visibility NQL queries to special-case values where necessary
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// ensures checks against special-case values such as `{{#has visibility="paid"}}` continue working
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if (attrs.visibility && !['public', 'members', 'paid'].includes(attrs.visibility)) {
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if (attrs.visibility === 'status:-free') {
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attrs.visibility = 'paid';
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} else {
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const visibilityNql = nql(attrs.visibility);
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if (visibilityNql.queryJSON({status: 'free'}) && visibilityNql.queryJSON({status: '-free'})) {
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attrs.visibility = 'members';
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}
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}
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}
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return attrs;
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},
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/**
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* The base model keeps only the columns, which are defined in the schema.
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* We have to add the relations on top, otherwise bookshelf-relations
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* has no access to the nested relations, which should be updated.
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*/
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permittedAttributes: function permittedAttributes() {
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let filteredKeys = ghostBookshelf.Model.prototype.permittedAttributes.apply(this, arguments);
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this.relationships.forEach((key) => {
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filteredKeys.push(key);
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});
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return filteredKeys;
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},
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orderAttributes: function orderAttributes() {
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let keys = ghostBookshelf.Model.prototype.orderAttributes.apply(this, arguments);
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// extend ordered keys with post_meta keys
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let postsMetaKeys = _.without(ghostBookshelf.model('PostsMeta').prototype.orderAttributes(), 'posts_meta.id', 'posts_meta.post_id');
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return [...keys, ...postsMetaKeys];
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},
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orderRawQuery: function orderRawQuery(field, direction, withRelated) {
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if (field === 'email.open_rate' && withRelated && withRelated.indexOf('email') > -1) {
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return {
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// *1.0 is needed on one of the columns to prevent sqlite from
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// performing integer division rounding and always giving 0.
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// Order by emails.track_opens desc first so we always tracked emails
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// before untracked emails in the posts list.
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orderByRaw: `
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emails.track_opens desc,
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emails.opened_count * 1.0 / emails.email_count * 100 ${direction},
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posts.created_at desc`,
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eagerLoad: 'email.open_rate'
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};
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}
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},
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filterExpansions: function filterExpansions() {
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const postsMetaKeys = _.without(ghostBookshelf.model('PostsMeta').prototype.orderAttributes(), 'posts_meta.id', 'posts_meta.post_id');
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return postsMetaKeys.map((pmk) => {
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return {
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key: pmk.split('.')[1],
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replacement: pmk
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};
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});
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},
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emitChange: function emitChange(event, options = {}) {
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let eventToTrigger;
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let resourceType = this.get('type');
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if (options.usePreviousAttribute) {
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resourceType = this.previous('type');
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}
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eventToTrigger = resourceType + '.' + event;
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ghostBookshelf.Model.prototype.emitChange.bind(this)(this, eventToTrigger, options);
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},
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/**
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* We update the tags after the Post was inserted.
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* We update the tags before the Post was updated, see `onSaving` event.
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* `onCreated` is called before `onSaved`.
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*
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* `onSaved` is the last event in the line - triggered for updating or inserting data.
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* bookshelf-relations listens on `created` + `updated`.
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* We ensure that we are catching the event after bookshelf relations.
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*/
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onSaved: function onSaved(model, response, options) {
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ghostBookshelf.Model.prototype.onSaved.apply(this, arguments);
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if (options.method !== 'insert') {
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return;
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}
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const status = model.get('status');
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model.emitChange('added', options);
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if (['published', 'scheduled'].indexOf(status) !== -1) {
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model.emitChange(status, options);
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}
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},
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onUpdated: function onUpdated(model, attrs, options) {
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ghostBookshelf.Model.prototype.onUpdated.apply(this, arguments);
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model.statusChanging = model.get('status') !== model.previous('status');
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model.isPublished = model.get('status') === 'published';
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model.isScheduled = model.get('status') === 'scheduled';
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model.wasPublished = model.previous('status') === 'published';
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model.wasScheduled = model.previous('status') === 'scheduled';
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model.resourceTypeChanging = model.get('type') !== model.previous('type');
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model.publishedAtHasChanged = model.hasDateChanged('published_at');
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model.needsReschedule = model.publishedAtHasChanged && model.isScheduled;
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// Handle added and deleted for post -> page or page -> post
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if (model.resourceTypeChanging) {
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if (model.wasPublished) {
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model.emitChange('unpublished', Object.assign({usePreviousAttribute: true}, options));
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}
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if (model.wasScheduled) {
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model.emitChange('unscheduled', Object.assign({usePreviousAttribute: true}, options));
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}
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model.emitChange('deleted', Object.assign({usePreviousAttribute: true}, options));
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model.emitChange('added', options);
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if (model.isPublished) {
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model.emitChange('published', options);
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}
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if (model.isScheduled) {
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model.emitChange('scheduled', options);
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}
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} else {
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if (model.statusChanging) {
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// CASE: was published before and is now e.q. draft or scheduled
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if (model.wasPublished) {
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model.emitChange('unpublished', options);
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}
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// CASE: was draft or scheduled before and is now e.q. published
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if (model.isPublished) {
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model.emitChange('published', options);
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}
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// CASE: was draft or published before and is now e.q. scheduled
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if (model.isScheduled) {
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model.emitChange('scheduled', options);
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}
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// CASE: from scheduled to something
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if (model.wasScheduled && !model.isScheduled && !model.isPublished) {
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model.emitChange('unscheduled', options);
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}
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} else {
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if (model.isPublished) {
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model.emitChange('published.edited', options);
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}
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if (model.needsReschedule) {
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model.emitChange('rescheduled', options);
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}
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}
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// Fire edited if this wasn't a change between resourceType
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model.emitChange('edited', options);
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}
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if (model.statusChanging && (model.isPublished || model.wasPublished)) {
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this.handleStatusForAttachedModels(model, options);
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}
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},
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onDestroyed: function onDestroyed(model, options) {
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ghostBookshelf.Model.prototype.onDestroyed.apply(this, arguments);
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if (model.previous('status') === 'published') {
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model.emitChange('unpublished', Object.assign({usePreviousAttribute: true}, options));
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}
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model.emitChange('deleted', Object.assign({usePreviousAttribute: true}, options));
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},
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onDestroying: function onDestroyed(model) {
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ghostBookshelf.Model.prototype.onDestroying.apply(this, arguments);
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this.handleAttachedModels(model);
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},
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handleAttachedModels: function handleAttachedModels(model) {
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/**
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* @NOTE:
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* Bookshelf only exposes the object that is being detached on `detaching`.
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* For the reason above, `detached` handler is using the scope of `detaching`
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* to access the models that are not present in `detached`.
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*/
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model.related('tags').once('detaching', function detachingTags(collection, tag) {
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model.related('tags').once('detached', function detachedTags(detachedCollection, response, options) {
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tag.emitChange('detached', options);
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model.emitChange('tag.detached', options);
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});
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});
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model.related('tags').once('attaching', function tagsAttaching(collection, tags) {
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model.related('tags').once('attached', function tagsAttached(detachedCollection, response, options) {
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tags.forEach((tag) => {
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tag.emitChange('attached', options);
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model.emitChange('tag.attached', options);
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});
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});
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});
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model.related('authors').once('detaching', function authorsDetaching(collection, author) {
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model.related('authors').once('detached', function authorsDetached(detachedCollection, response, options) {
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author.emitChange('detached', options);
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});
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});
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model.related('authors').once('attaching', function authorsAttaching(collection, authors) {
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model.related('authors').once('attached', function authorsAttached(detachedCollection, response, options) {
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authors.forEach(author => author.emitChange('attached', options));
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});
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});
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},
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/**
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* @NOTE:
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* when status is changed from or to 'published' all related authors and tags
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* have to trigger recalculation in URL service because status is applied in filters for
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* these models
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*/
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handleStatusForAttachedModels: function handleStatusForAttachedModels(model, options) {
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model.related('tags').forEach((tag) => {
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tag.emitChange('attached', options);
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});
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model.related('authors').forEach((author) => {
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author.emitChange('attached', options);
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});
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},
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onSaving: async function onSaving(model, attrs, options) {
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options = options || {};
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const self = this;
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let title;
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let i;
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// Variables to make the slug checking more readable
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const newTitle = this.get('title');
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const newStatus = this.get('status');
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const olderStatus = this.previous('status');
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const prevTitle = this.previous('title');
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const prevSlug = this.previous('slug');
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const publishedAt = this.get('published_at');
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const publishedAtHasChanged = this.hasDateChanged('published_at', {beforeWrite: true});
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const generatedFields = ['html', 'plaintext'];
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let tagsToSave;
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const ops = [];
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// CASE: disallow published -> scheduled
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// @TODO: remove when we have versioning based on updated_at
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if (newStatus !== olderStatus && newStatus === 'scheduled' && olderStatus === 'published') {
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return Promise.reject(new errors.ValidationError({
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message: i18n.t('errors.models.post.isAlreadyPublished', {key: 'status'})
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}));
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}
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if (options.method === 'insert') {
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if (!this.get('comment_id')) {
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this.set('comment_id', this.id);
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}
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}
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// CASE: both page and post can get scheduled
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if (newStatus === 'scheduled') {
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if (!publishedAt) {
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return Promise.reject(new errors.ValidationError({
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message: i18n.t('errors.models.post.valueCannotBeBlank', {key: 'published_at'})
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}));
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} else if (!moment(publishedAt).isValid()) {
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return Promise.reject(new errors.ValidationError({
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message: i18n.t('errors.models.post.valueCannotBeBlank', {key: 'published_at'})
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}));
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// CASE: to schedule/reschedule a post, a minimum diff of x minutes is needed (default configured is 2minutes)
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} else if (
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publishedAtHasChanged &&
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moment(publishedAt).isBefore(moment().add(config.get('times').cannotScheduleAPostBeforeInMinutes, 'minutes')) &&
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!options.importing &&
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(!options.context || !options.context.internal)
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) {
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return Promise.reject(new errors.ValidationError({
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message: i18n.t('errors.models.post.expectedPublishedAtInFuture', {
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cannotScheduleAPostBeforeInMinutes: config.get('times').cannotScheduleAPostBeforeInMinutes
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})
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}));
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}
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}
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// CASE: detect lowercase/uppercase tag slugs
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if (!_.isUndefined(this.get('tags')) && !_.isNull(this.get('tags'))) {
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tagsToSave = [];
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// and deduplicate upper/lowercase tags
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_.each(this.get('tags'), function each(item) {
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for (i = 0; i < tagsToSave.length; i = i + 1) {
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if (tagsToSave[i].name && item.name && tagsToSave[i].name.toLocaleLowerCase() === item.name.toLocaleLowerCase()) {
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return;
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}
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}
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tagsToSave.push(item);
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});
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this.set('tags', tagsToSave);
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}
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/**
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* CASE: Attach id to update existing posts_meta entry for a post
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* CASE: Don't create new posts_meta entry if post meta is empty
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*/
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if (!_.isUndefined(this.get('posts_meta')) && !_.isNull(this.get('posts_meta'))) {
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let postsMetaData = this.get('posts_meta');
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let relatedModelId = model.related('posts_meta').get('id');
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let hasNoData = !_.values(postsMetaData).some(x => !!x);
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if (relatedModelId && !_.isEmpty(postsMetaData)) {
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postsMetaData.id = relatedModelId;
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this.set('posts_meta', postsMetaData);
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} else if (_.isEmpty(postsMetaData) || hasNoData) {
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this.set('posts_meta', null);
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}
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}
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this.handleAttachedModels(model);
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ghostBookshelf.Model.prototype.onSaving.apply(this, arguments);
|
|
|
|
// do not allow generated fields to be overridden via the API
|
|
if (!options.migrating) {
|
|
generatedFields.forEach((field) => {
|
|
if (this.hasChanged(field)) {
|
|
this.set(field, this.previous(field));
|
|
}
|
|
});
|
|
}
|
|
|
|
if (!this.get('mobiledoc')) {
|
|
this.set('mobiledoc', JSON.stringify(mobiledocLib.blankDocument));
|
|
}
|
|
|
|
// If we're force re-rendering we want to make sure that all image cards
|
|
// have original dimensions stored in the payload for use by card renderers
|
|
if (options.force_rerender) {
|
|
this.set('mobiledoc', await mobiledocLib.populateImageSizes(this.get('mobiledoc')));
|
|
}
|
|
|
|
// CASE: mobiledoc has changed, generate html
|
|
// CASE: ?force_rerender=true passed via Admin API
|
|
// CASE: html is null, but mobiledoc exists (only important for migrations & importing)
|
|
if (
|
|
this.hasChanged('mobiledoc')
|
|
|| options.force_rerender
|
|
|| (!this.get('html') && (options.migrating || options.importing))
|
|
) {
|
|
try {
|
|
this.set('html', mobiledocLib.mobiledocHtmlRenderer.render(JSON.parse(this.get('mobiledoc'))));
|
|
} catch (err) {
|
|
throw new errors.ValidationError({
|
|
message: 'Invalid mobiledoc structure.',
|
|
help: 'https://ghost.org/docs/publishing/'
|
|
});
|
|
}
|
|
}
|
|
|
|
if (this.hasChanged('html') || !this.get('plaintext')) {
|
|
let plaintext;
|
|
|
|
if (this.get('html') === null) {
|
|
plaintext = null;
|
|
} else {
|
|
plaintext = htmlToPlaintext(this.get('html'));
|
|
}
|
|
|
|
// CASE: html is e.g. <p></p>
|
|
// @NOTE: Otherwise we will always update the resource to `plaintext: ''` and Bookshelf thinks that this
|
|
// value was modified.
|
|
if (plaintext || plaintext !== this.get('plaintext')) {
|
|
this.set('plaintext', plaintext);
|
|
}
|
|
}
|
|
|
|
// disabling sanitization until we can implement a better version
|
|
if (!options.importing) {
|
|
title = this.get('title') || i18n.t('errors.models.post.untitled');
|
|
this.set('title', _.toString(title).trim());
|
|
}
|
|
|
|
// ### Business logic for published_at and published_by
|
|
// If the current status is 'published' and published_at is not set, set it to now
|
|
if (newStatus === 'published' && !publishedAt) {
|
|
this.set('published_at', new Date());
|
|
}
|
|
|
|
// If the current status is 'published' and the status has just changed ensure published_by is set correctly
|
|
if (newStatus === 'published' && this.hasChanged('status')) {
|
|
// unless published_by is set and we're importing, set published_by to contextUser
|
|
if (!(this.get('published_by') && options.importing)) {
|
|
this.set('published_by', String(this.contextUser(options)));
|
|
}
|
|
} else {
|
|
// In any other case (except import), `published_by` should not be changed
|
|
if (this.hasChanged('published_by') && !options.importing) {
|
|
this.set('published_by', this.previous('published_by') ? String(this.previous('published_by')) : null);
|
|
}
|
|
}
|
|
|
|
// email_recipient_filter is read-only and should only be set using a query param when publishing/scheduling
|
|
if (options.email_recipient_filter && options.email_recipient_filter !== 'none' && this.hasChanged('status') && (newStatus === 'published' || newStatus === 'scheduled')) {
|
|
this.set('email_recipient_filter', options.email_recipient_filter);
|
|
}
|
|
|
|
// ensure draft posts have the email_recipient_filter reset unless an email has already been sent
|
|
if (newStatus === 'draft' && this.hasChanged('status')) {
|
|
ops.push(function ensureSendEmailWhenPublishedIsUnchanged() {
|
|
return self.related('email').fetch({transacting: options.transacting}).then((email) => {
|
|
if (!email) {
|
|
self.set('email_recipient_filter', 'none');
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
// If a title is set, not the same as the old title, a draft post, and has never been published
|
|
if (prevTitle !== undefined && newTitle !== prevTitle && newStatus === 'draft' && !publishedAt) {
|
|
ops.push(function updateSlug() {
|
|
// Pass the new slug through the generator to strip illegal characters, detect duplicates
|
|
return ghostBookshelf.Model.generateSlug(Post, self.get('title'),
|
|
{status: 'all', transacting: options.transacting, importing: options.importing})
|
|
.then(function then(slug) {
|
|
// After the new slug is found, do another generate for the old title to compare it to the old slug
|
|
return ghostBookshelf.Model.generateSlug(Post, prevTitle,
|
|
{status: 'all', transacting: options.transacting, importing: options.importing}
|
|
).then(function prevTitleSlugGenerated(prevTitleSlug) {
|
|
// If the old slug is the same as the slug that was generated from the old title
|
|
// then set a new slug. If it is not the same, means was set by the user
|
|
if (prevTitleSlug === prevSlug) {
|
|
self.set({slug: slug});
|
|
}
|
|
});
|
|
});
|
|
});
|
|
} else {
|
|
ops.push(function updateSlug() {
|
|
// If any of the attributes above were false, set initial slug and check to see if slug was changed by the user
|
|
if (self.hasChanged('slug') || !self.get('slug')) {
|
|
// Pass the new slug through the generator to strip illegal characters, detect duplicates
|
|
return ghostBookshelf.Model.generateSlug(Post, self.get('slug') || self.get('title'),
|
|
{status: 'all', transacting: options.transacting, importing: options.importing})
|
|
.then(function then(slug) {
|
|
self.set({slug: slug});
|
|
});
|
|
}
|
|
|
|
return Promise.resolve();
|
|
});
|
|
}
|
|
|
|
// CASE: Handle mobiledoc backups/revisions. This is a pure database feature.
|
|
if (model.hasChanged('mobiledoc') && !options.importing && !options.migrating) {
|
|
ops.push(function updateRevisions() {
|
|
return ghostBookshelf.model('MobiledocRevision')
|
|
.findAll(Object.assign({
|
|
filter: `post_id:${model.id}`,
|
|
columns: ['id']
|
|
}, _.pick(options, 'transacting')))
|
|
.then((revisions) => {
|
|
/**
|
|
* Store prev + latest mobiledoc content, because we have decided against a migration, which
|
|
* iterates over all posts and creates a copy of the current mobiledoc content.
|
|
*
|
|
* Reasons:
|
|
* - usually migrations for the post table are slow and error-prone
|
|
* - there is no need to create a copy for all posts now, because we only want to ensure
|
|
* that posts, which you are currently working on, are getting a content backup
|
|
* - no need to create revisions for existing published posts
|
|
*
|
|
* The feature is very minimal in the beginning. As soon as you update to this Ghost version,
|
|
* you
|
|
*/
|
|
if (!revisions.length && options.method !== 'insert') {
|
|
model.set('mobiledoc_revisions', [{
|
|
post_id: model.id,
|
|
mobiledoc: model.previous('mobiledoc'),
|
|
created_at_ts: Date.now() - 1
|
|
}, {
|
|
post_id: model.id,
|
|
mobiledoc: model.get('mobiledoc'),
|
|
created_at_ts: Date.now()
|
|
}]);
|
|
} else {
|
|
const revisionsJSON = revisions.toJSON().slice(0, MOBILEDOC_REVISIONS_COUNT - 1);
|
|
|
|
model.set('mobiledoc_revisions', revisionsJSON.concat([{
|
|
post_id: model.id,
|
|
mobiledoc: model.get('mobiledoc'),
|
|
created_at_ts: Date.now()
|
|
}]));
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
return sequence(ops);
|
|
},
|
|
|
|
created_by: function createdBy() {
|
|
return this.belongsTo('User', 'created_by');
|
|
},
|
|
|
|
updated_by: function updatedBy() {
|
|
return this.belongsTo('User', 'updated_by');
|
|
},
|
|
|
|
published_by: function publishedBy() {
|
|
return this.belongsTo('User', 'published_by');
|
|
},
|
|
|
|
authors: function authors() {
|
|
return this.belongsToMany('User', 'posts_authors', 'post_id', 'author_id')
|
|
.withPivot('sort_order')
|
|
.query('orderBy', 'sort_order', 'ASC');
|
|
},
|
|
|
|
tags: function tags() {
|
|
return this.belongsToMany('Tag', 'posts_tags', 'post_id', 'tag_id')
|
|
.withPivot('sort_order')
|
|
.query('orderBy', 'sort_order', 'ASC');
|
|
},
|
|
|
|
fields: function fields() {
|
|
return this.morphMany('AppField', 'relatable');
|
|
},
|
|
|
|
mobiledoc_revisions() {
|
|
return this.hasMany('MobiledocRevision', 'post_id');
|
|
},
|
|
|
|
posts_meta: function postsMeta() {
|
|
return this.hasOne('PostsMeta', 'post_id');
|
|
},
|
|
|
|
email: function email() {
|
|
return this.hasOne('Email', 'post_id');
|
|
},
|
|
|
|
/**
|
|
* @NOTE:
|
|
* If you are requesting models with `columns`, you try to only receive some fields of the model/s.
|
|
* But the model layer is complex and needs specific fields in specific situations.
|
|
*
|
|
* ### url generation was removed but default columns need to be checked before removal
|
|
* - @TODO: with dynamic routing, we no longer need default columns to fetch
|
|
* - because with static routing Ghost generated the url on runtime and needed the following attributes:
|
|
* - `slug`: /:slug/
|
|
* - `published_at`: /:year/:slug
|
|
* - `author_id`: /:author/:slug, /:primary_author/:slug
|
|
* - now, the UrlService pre-generates urls based on the resources
|
|
* - you can ask `urlService.getUrlByResourceId(post.id)`
|
|
*
|
|
* ### events
|
|
* - you call `findAll` with `columns: id`
|
|
* - then you trigger `post.save()` on the response
|
|
* - bookshelf events (`onSaving`) and model events (`emitChange`) are triggered
|
|
* - but you only fetched the id column, this will trouble (!), because the event hooks require more
|
|
* data than just the id
|
|
* - @TODO: we need to disallow this (!)
|
|
* - you should use `models.Post.edit(..)`
|
|
* - this disallows using the `columns` option
|
|
* - same for destroy - you should use `models.Post.destroy(...)`
|
|
*
|
|
* @IMPORTANT: This fn should **never** be used when updating models (models.Post.edit)!
|
|
* Because the events for updating a resource require most of the fields.
|
|
* This is protected by the fn `permittedOptions`.
|
|
*/
|
|
defaultColumnsToFetch: function defaultColumnsToFetch() {
|
|
return ['id', 'published_at', 'slug', 'author_id'];
|
|
},
|
|
/**
|
|
* If the `formats` option is not used, we return `html` be default.
|
|
* Otherwise we return what is requested e.g. `?formats=mobiledoc,plaintext`
|
|
*/
|
|
formatsToJSON: function formatsToJSON(attrs, options) {
|
|
const defaultFormats = ['html'];
|
|
const formatsToKeep = options.formats || defaultFormats;
|
|
|
|
// Iterate over all known formats, and if they are not in the keep list, remove them
|
|
_.each(Post.allowedFormats, function (format) {
|
|
if (formatsToKeep.indexOf(format) === -1) {
|
|
delete attrs[format];
|
|
}
|
|
});
|
|
|
|
return attrs;
|
|
},
|
|
|
|
toJSON: function toJSON(unfilteredOptions) {
|
|
const options = Post.filterOptions(unfilteredOptions, 'toJSON');
|
|
let attrs = ghostBookshelf.Model.prototype.toJSON.call(this, options);
|
|
|
|
attrs = this.formatsToJSON(attrs, options);
|
|
|
|
// CASE: never expose the revisions
|
|
delete attrs.mobiledoc_revisions;
|
|
|
|
// If the current column settings allow it...
|
|
if (!options.columns || (options.columns && options.columns.indexOf('primary_tag') > -1)) {
|
|
// ... attach a computed property of primary_tag which is the first tag if it is public, else null
|
|
if (attrs.tags && attrs.tags.length > 0 && attrs.tags[0].visibility === 'public') {
|
|
attrs.primary_tag = attrs.tags[0];
|
|
} else {
|
|
attrs.primary_tag = null;
|
|
}
|
|
}
|
|
|
|
return attrs;
|
|
},
|
|
|
|
// NOTE: overloads models base method to take `post_meta` changes into account
|
|
wasChanged() {
|
|
if (!this._changed) {
|
|
return true;
|
|
}
|
|
|
|
const postMetaChanged = this.relations.posts_meta && this.relations.posts_meta._changed && Object.keys(this.relations.posts_meta._changed).length;
|
|
|
|
if (!Object.keys(this._changed).length && !postMetaChanged) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
enforcedFilters: function enforcedFilters(options) {
|
|
return options.context && options.context.public ? 'status:published' : null;
|
|
},
|
|
|
|
defaultFilters: function defaultFilters(options) {
|
|
if (options.context && options.context.internal) {
|
|
return null;
|
|
}
|
|
|
|
return options.context && options.context.public ? 'type:post' : 'type:post+status:published';
|
|
},
|
|
|
|
/**
|
|
* You can pass an extra `status=VALUES` field.
|
|
* Long-Term: We should deprecate these short cuts and force users to use the filter param.
|
|
*/
|
|
extraFilters: function extraFilters(options) {
|
|
if (!options.status) {
|
|
return null;
|
|
}
|
|
|
|
let filter = null;
|
|
|
|
// CASE: "status" is passed, combine filters
|
|
if (options.status && options.status !== 'all') {
|
|
options.status = _.includes(ALL_STATUSES, options.status) ? options.status : 'published';
|
|
|
|
if (!filter) {
|
|
filter = `status:${options.status}`;
|
|
} else {
|
|
filter = `${filter}+status:${options.status}`;
|
|
}
|
|
} else if (options.status === 'all') {
|
|
if (!filter) {
|
|
filter = `status:[${ALL_STATUSES}]`;
|
|
} else {
|
|
filter = `${filter}+status:[${ALL_STATUSES}]`;
|
|
}
|
|
}
|
|
|
|
delete options.status;
|
|
return filter;
|
|
},
|
|
|
|
getAction(event, options) {
|
|
const actor = this.getActor(options);
|
|
|
|
// @NOTE: we ignore internal updates (`options.context.internal`) for now
|
|
if (!actor) {
|
|
return;
|
|
}
|
|
|
|
// @TODO: implement context
|
|
return {
|
|
event: event,
|
|
resource_id: this.id || this.previous('id'),
|
|
resource_type: 'post',
|
|
actor_id: actor.id,
|
|
actor_type: actor.type
|
|
};
|
|
}
|
|
}, {
|
|
allowedFormats: ['mobiledoc', 'html', 'plaintext'],
|
|
|
|
orderDefaultOptions: function orderDefaultOptions() {
|
|
return {
|
|
status: 'ASC',
|
|
published_at: 'DESC',
|
|
updated_at: 'DESC',
|
|
id: 'DESC'
|
|
};
|
|
},
|
|
|
|
orderDefaultRaw: function (options) {
|
|
let order = '' +
|
|
'CASE WHEN posts.status = \'scheduled\' THEN 1 ' +
|
|
'WHEN posts.status = \'draft\' THEN 2 ' +
|
|
'ELSE 3 END ASC,' +
|
|
'CASE WHEN posts.status != \'draft\' THEN posts.published_at END DESC,' +
|
|
'posts.updated_at DESC,' +
|
|
'posts.id DESC';
|
|
|
|
// CASE: if the filter contains an `IN` operator, we should return the posts first, which match both tags
|
|
if (options.filter && options.filter.match(/(tags|tag):\s?\[.*\]/)) {
|
|
order = `(SELECT count(*) FROM posts_tags WHERE post_id = posts.id) DESC, ${order}`;
|
|
}
|
|
|
|
// CASE: if the filter contains an `IN` operator, we should return the posts first, which match both authors
|
|
if (options.filter && options.filter.match(/(authors|author):\s?\[.*\]/)) {
|
|
order = `(SELECT count(*) FROM posts_authors WHERE post_id = posts.id) DESC, ${order}`;
|
|
}
|
|
|
|
return order;
|
|
},
|
|
|
|
/**
|
|
* Returns an array of keys permitted in a method's `options` hash, depending on the current method.
|
|
* @param {String} methodName The name of the method to check valid options for.
|
|
* @return {Array} Keys allowed in the `options` hash of the model's method.
|
|
*/
|
|
permittedOptions: function permittedOptions(methodName) {
|
|
let options = ghostBookshelf.Model.permittedOptions.call(this, methodName);
|
|
|
|
// whitelists for the `options` hash argument on methods, by method name.
|
|
// these are the only options that can be passed to Bookshelf / Knex.
|
|
const validOptions = {
|
|
findOne: ['columns', 'importing', 'withRelated', 'require', 'filter'],
|
|
findPage: ['status'],
|
|
findAll: ['columns', 'filter'],
|
|
destroy: ['destroyAll', 'destroyBy'],
|
|
edit: ['filter', 'email_recipient_filter', 'force_rerender']
|
|
};
|
|
|
|
// The post model additionally supports having a formats option
|
|
options.push('formats');
|
|
|
|
if (validOptions[methodName]) {
|
|
options = options.concat(validOptions[methodName]);
|
|
}
|
|
|
|
return options;
|
|
},
|
|
|
|
/**
|
|
* We have to ensure consistency. If you listen on model events (e.g. `post.published`), you can expect that you always
|
|
* receive all fields including relations. Otherwise you can't rely on a consistent flow. And we want to avoid
|
|
* that event listeners have to re-fetch a resource. This function is used in the context of inserting
|
|
* and updating resources. We won't return the relations by default for now.
|
|
*
|
|
* We also always fetch posts metadata to keep current behavior consistent
|
|
*/
|
|
defaultRelations: function defaultRelations(methodName, options) {
|
|
if (['edit', 'add', 'destroy'].indexOf(methodName) !== -1) {
|
|
options.withRelated = _.union(['authors', 'tags'], options.withRelated || []);
|
|
}
|
|
|
|
const META_ATTRIBUTES = _.without(ghostBookshelf.model('PostsMeta').prototype.permittedAttributes(), 'id', 'post_id');
|
|
|
|
// NOTE: only include post_meta relation when requested in 'columns' or by default
|
|
// optimization is needed to be able to perform .findAll on large SQLite datasets
|
|
if (!options.columns || (options.columns && _.intersection(META_ATTRIBUTES, options.columns).length)) {
|
|
options.withRelated = _.union(['posts_meta'], options.withRelated || []);
|
|
}
|
|
|
|
return options;
|
|
},
|
|
|
|
/**
|
|
* Manually add 'tags' attribute since it's not in the schema and call parent.
|
|
*
|
|
* @param {Object} data Has keys representing the model's attributes/fields in the database.
|
|
* @return {Object} The filtered results of the passed in data, containing only what's allowed in the schema.
|
|
*/
|
|
filterData: function filterData(data) {
|
|
const filteredData = ghostBookshelf.Model.filterData.apply(this, arguments);
|
|
const extraData = _.pick(data, this.prototype.relationships);
|
|
|
|
_.merge(filteredData, extraData);
|
|
return filteredData;
|
|
},
|
|
|
|
// ## Model Data Functions
|
|
|
|
/**
|
|
* ### Find One
|
|
* @extends ghostBookshelf.Model.findOne to handle post status
|
|
* **See:** [ghostBookshelf.Model.findOne](base.js.html#Find%20One)
|
|
*/
|
|
findOne: function findOne(data = {}, options = {}) {
|
|
// @TODO: remove when we drop v0.1
|
|
if (!options.filter && !data.status) {
|
|
data.status = 'published';
|
|
}
|
|
|
|
if (data.status === 'all') {
|
|
delete data.status;
|
|
}
|
|
|
|
return ghostBookshelf.Model.findOne.call(this, data, options);
|
|
},
|
|
|
|
/**
|
|
* ### Edit
|
|
* Fetches and saves to Post. See model.Base.edit
|
|
* **See:** [ghostBookshelf.Model.edit](base.js.html#edit)
|
|
*/
|
|
edit: function edit(data, unfilteredOptions) {
|
|
let options = this.filterOptions(unfilteredOptions, 'edit', {extraAllowedProperties: ['id']});
|
|
|
|
const editPost = () => {
|
|
options.forUpdate = true;
|
|
|
|
return ghostBookshelf.Model.edit.call(this, data, options)
|
|
.then((post) => {
|
|
return this.findOne({
|
|
status: 'all',
|
|
id: options.id
|
|
}, _.merge({transacting: options.transacting}, unfilteredOptions))
|
|
.then((found) => {
|
|
if (found) {
|
|
// Pass along the updated attributes for checking status changes
|
|
found._previousAttributes = post._previousAttributes;
|
|
found._changed = post._changed;
|
|
|
|
// NOTE: `posts_meta` fields are equivalent in terms of "wasChanged" logic to the rest of posts's table fields.
|
|
// Keeping track of them is needed to check if anything was changed in post's resource.
|
|
if (found.relations.posts_meta) {
|
|
found.relations.posts_meta._changed = post.relations.posts_meta._changed;
|
|
}
|
|
|
|
return found;
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
if (!options.transacting) {
|
|
return ghostBookshelf.transaction((transacting) => {
|
|
options.transacting = transacting;
|
|
return editPost();
|
|
});
|
|
}
|
|
|
|
return editPost();
|
|
},
|
|
|
|
/**
|
|
* ### Add
|
|
* @extends ghostBookshelf.Model.add to handle returning the full object
|
|
* **See:** [ghostBookshelf.Model.add](base.js.html#add)
|
|
*/
|
|
add: function add(data, unfilteredOptions) {
|
|
let options = this.filterOptions(unfilteredOptions, 'add', {extraAllowedProperties: ['id']});
|
|
|
|
const addPost = (() => {
|
|
return ghostBookshelf.Model.add.call(this, data, options)
|
|
.then((post) => {
|
|
return this.findOne({
|
|
status: 'all',
|
|
id: post.id
|
|
}, _.merge({transacting: options.transacting}, unfilteredOptions));
|
|
});
|
|
});
|
|
|
|
if (!options.transacting) {
|
|
return ghostBookshelf.transaction((transacting) => {
|
|
options.transacting = transacting;
|
|
|
|
return addPost();
|
|
});
|
|
}
|
|
|
|
return addPost();
|
|
},
|
|
|
|
destroy: function destroy(unfilteredOptions) {
|
|
let options = this.filterOptions(unfilteredOptions, 'destroy', {extraAllowedProperties: ['id']});
|
|
|
|
const destroyPost = () => {
|
|
return ghostBookshelf.Model.destroy.call(this, options);
|
|
};
|
|
|
|
if (!options.transacting) {
|
|
return ghostBookshelf.transaction((transacting) => {
|
|
options.transacting = transacting;
|
|
return destroyPost();
|
|
});
|
|
}
|
|
|
|
return destroyPost();
|
|
},
|
|
|
|
// NOTE: the `authors` extension is the parent of the post model. It also has a permissible function.
|
|
permissible: async function permissible(postModel, action, context, unsafeAttrs, loadedPermissions, hasUserPermission, hasApiKeyPermission) {
|
|
let isContributor;
|
|
let isOwner;
|
|
let isAdmin;
|
|
let isEditor;
|
|
let isIntegration;
|
|
let isEdit;
|
|
let isAdd;
|
|
let isDestroy;
|
|
|
|
function isChanging(attr) {
|
|
return unsafeAttrs[attr] && unsafeAttrs[attr] !== postModel.get(attr);
|
|
}
|
|
|
|
function isPublished() {
|
|
return unsafeAttrs.status && unsafeAttrs.status !== 'draft';
|
|
}
|
|
|
|
function isDraft() {
|
|
return postModel.get('status') === 'draft';
|
|
}
|
|
|
|
isContributor = loadedPermissions.user && _.some(loadedPermissions.user.roles, {name: 'Contributor'});
|
|
isOwner = loadedPermissions.user && _.some(loadedPermissions.user.roles, {name: 'Owner'});
|
|
isAdmin = loadedPermissions.user && _.some(loadedPermissions.user.roles, {name: 'Administrator'});
|
|
isEditor = loadedPermissions.user && _.some(loadedPermissions.user.roles, {name: 'Editor'});
|
|
isIntegration = loadedPermissions.apiKey && _.some(loadedPermissions.apiKey.roles, {name: 'Admin Integration'});
|
|
|
|
isEdit = (action === 'edit');
|
|
isAdd = (action === 'add');
|
|
isDestroy = (action === 'destroy');
|
|
|
|
if (limitService.isLimited('members')) {
|
|
// You can't publish a post if you're over your member limit
|
|
if ((isEdit && isChanging('status') && isDraft()) || (isAdd && isPublished())) {
|
|
await limitService.errorIfIsOverLimit('members');
|
|
}
|
|
}
|
|
|
|
if (isContributor && isEdit) {
|
|
// Only allow contributor edit if status is changing, and the post is a draft post
|
|
hasUserPermission = !isChanging('status') && isDraft();
|
|
} else if (isContributor && isAdd) {
|
|
// If adding, make sure it's a draft post and has the correct ownership
|
|
hasUserPermission = !isPublished();
|
|
} else if (isContributor && isDestroy) {
|
|
// If destroying, only allow contributor to destroy their own draft posts
|
|
hasUserPermission = isDraft();
|
|
} else if (!(isOwner || isAdmin || isEditor || isIntegration)) {
|
|
hasUserPermission = !isChanging('visibility');
|
|
}
|
|
|
|
const excludedAttrs = [];
|
|
if (isContributor) {
|
|
// Note: at the moment primary_tag is a computed field,
|
|
// meaning we don't add it to this list. However, if the primary_tag/primary_author
|
|
// ever becomes a db field rather than a computed field, add it to this list
|
|
// TODO: once contributors are able to edit existing tags, this can be removed
|
|
// @TODO: we need a concept for making a diff between incoming tags and existing tags
|
|
excludedAttrs.push('tags');
|
|
}
|
|
|
|
if (hasUserPermission && hasApiKeyPermission) {
|
|
return Promise.resolve({excludedAttrs});
|
|
}
|
|
|
|
return Promise.reject(new errors.NoPermissionError({
|
|
message: i18n.t('errors.models.post.notEnoughPermission')
|
|
}));
|
|
}
|
|
});
|
|
|
|
Posts = ghostBookshelf.Collection.extend({
|
|
model: Post
|
|
});
|
|
|
|
// Extension for handling the logic for author + multiple authors
|
|
Post = relations.authors.extendModel(Post, Posts, ghostBookshelf);
|
|
|
|
module.exports = {
|
|
Post: ghostBookshelf.model('Post', Post),
|
|
Posts: ghostBookshelf.collection('Posts', Posts)
|
|
};
|