364 lines
13 KiB
JavaScript
364 lines
13 KiB
JavaScript
const nql = require('@tryghost/nql');
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const {BadRequestError} = require('@tryghost/errors');
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const tpl = require('@tryghost/tpl');
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const errors = require('@tryghost/errors');
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const ObjectId = require('bson-objectid').default;
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const messages = {
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invalidVisibilityFilter: 'Invalid visibility filter.',
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invalidVisibility: 'Invalid visibility value.',
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invalidTiers: 'Invalid tiers value.',
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invalidEmailSegment: 'The email segment parameter doesn\'t contain a valid filter',
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unsupportedBulkAction: 'Unsupported bulk action'
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};
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class PostsService {
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constructor({urlUtils, models, isSet, stats, emailService, postsExporter}) {
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this.urlUtils = urlUtils;
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this.models = models;
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this.isSet = isSet;
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this.stats = stats;
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this.emailService = emailService;
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this.postsExporter = postsExporter;
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}
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async editPost(frame) {
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// Make sure the newsletter is matching an active newsletter
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// Note that this option is simply ignored if the post isn't published or scheduled
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if (frame.options.newsletter && frame.options.email_segment) {
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if (frame.options.email_segment !== 'all') {
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// check filter is valid
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try {
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await this.models.Member.findPage({filter: frame.options.email_segment, limit: 1});
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} catch (err) {
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return Promise.reject(new BadRequestError({
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message: tpl(messages.invalidEmailSegment),
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context: err.message
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}));
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}
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}
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}
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const model = await this.models.Post.edit(frame.data.posts[0], frame.options);
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/**Handle newsletter email */
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if (model.get('newsletter_id')) {
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const sendEmail = model.wasChanged() && this.shouldSendEmail(model.get('status'), model.previous('status'));
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if (sendEmail) {
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let postEmail = model.relations.email;
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let email;
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if (!postEmail) {
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email = await this.emailService.createEmail(model);
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} else if (postEmail && postEmail.get('status') === 'failed') {
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email = await this.emailService.retryEmail(postEmail);
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}
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if (email) {
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model.set('email', email);
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}
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}
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}
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return model;
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}
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#mergeFilters(...filters) {
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return filters.filter(filter => filter).map(f => `(${f})`).join('+');
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}
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async bulkEdit(data, options) {
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if (data.action === 'unpublish') {
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return await this.#updatePosts({status: 'draft'}, {filter: this.#mergeFilters('status:published', options.filter)});
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}
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if (data.action === 'feature') {
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return await this.#updatePosts({featured: true}, {filter: options.filter});
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}
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if (data.action === 'unfeature') {
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return await this.#updatePosts({featured: false}, {filter: options.filter});
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}
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if (data.action === 'access') {
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if (!['public', 'members', 'paid', 'tiers'].includes(data.meta.visibility)) {
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throw new errors.IncorrectUsageError({
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message: tpl(messages.invalidVisibility)
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});
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}
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let tiers = undefined;
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if (data.meta.visibility === 'tiers') {
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if (!Array.isArray(data.meta.tiers)) {
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throw new errors.IncorrectUsageError({
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message: tpl(messages.invalidTiers)
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});
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}
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tiers = data.meta.tiers;
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}
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return await this.#updatePosts({visibility: data.meta.visibility, tiers}, {filter: options.filter});
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}
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if (data.action === 'addTag') {
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return await this.#bulkAddTags({tags: data.meta.tags}, {filter: options.filter});
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}
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throw new errors.IncorrectUsageError({
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message: tpl(messages.unsupportedBulkAction)
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});
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}
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/**
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* @param {object} data
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* @param {string[]} data.tags - Array of tag ids to add to the post
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* @param {object} options
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* @param {string} options.filter - An NQL Filter
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*/
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async #bulkAddTags(data, options) {
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if (!options.transacting) {
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return await this.models.Post.transaction(async (transacting) => {
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return await this.#bulkAddTags(data, {
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...options,
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transacting
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});
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});
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}
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const postRows = await this.models.Post.getFilteredCollectionQuery({
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filter: options.filter,
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status: 'all'
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}).select('posts.id');
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const postTags = data.tags.reduce((pt, tagId) => {
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return pt.concat(postRows.map((post) => {
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return {
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id: (new ObjectId()).toHexString(),
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post_id: post.id,
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tag_id: tagId,
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sort_order: 0
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};
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}));
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}, []);
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await options.transacting('posts_tags').insert(postTags);
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return true;
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}
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/**
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* @param {object} data
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* @param {string[]} data.tags - Array of tag ids to add to the post
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* @param {object} options
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* @param {string} options.filter - An NQL Filter
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*/
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async #bulkRemoveTags(data, options) {
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if (!options.transacting) {
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return await this.models.Post.transaction(async (transacting) => {
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return await this.#bulkRemoveTags(data, {
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...options,
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transacting
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});
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});
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}
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const postRows = await this.models.Post.getFilteredCollectionQuery({
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filter: options.filter,
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status: 'all'
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}).select('posts.id');
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await options.transacting('posts_tags').whereIn('post_id', postRows.map(post => post.id)).whereIn('tag_id', data.tags).del();
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return true;
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}
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async bulkDestroy(options) {
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if (!options.transacting) {
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return await this.models.Post.transaction(async (transacting) => {
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return await this.bulkDestroy({
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...options,
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transacting
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});
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});
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}
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const postRows = await this.models.Post.getFilteredCollectionQuery({
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filter: options.filter,
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status: 'all',
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transacting: options.transacting
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}).leftJoin('emails', 'posts.id', 'emails.post_id').select('posts.id', 'emails.id as email_id');
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const deleteIds = postRows.map(row => row.id);
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// We also need to collect the email ids because the email relation doesn't have cascase, and we need to delete the related relations of the post
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const deleteEmailIds = postRows.map(row => row.email_id).filter(id => !!id);
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const postTablesToDelete = [
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'posts_authors',
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'posts_tags',
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'posts_meta',
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'mobiledoc_revisions',
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'post_revisions',
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'posts_products'
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];
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const emailTablesToDelete = [
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'email_recipient_failures',
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'email_recipients',
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'email_batches',
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'email_spam_complaint_events'
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];
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// Don't clear, but set relation to null
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const emailTablesToSetNull = [
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'suppressions'
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];
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for (const table of postTablesToDelete) {
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await this.models.Post.bulkDestroy(deleteIds, table, {
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column: 'post_id',
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transacting: options.transacting,
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throwErrors: true
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});
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}
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for (const table of emailTablesToDelete) {
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await this.models.Post.bulkDestroy(deleteEmailIds, table, {
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column: 'email_id',
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transacting: options.transacting,
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throwErrors: true
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});
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}
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for (const table of emailTablesToSetNull) {
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await this.models.Post.bulkEdit(deleteEmailIds, table, {
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data: {email_id: null},
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column: 'email_id',
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transacting: options.transacting,
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throwErrors: true
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});
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}
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// Posts and emails
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await this.models.Post.bulkDestroy(deleteEmailIds, 'emails', {transacting: options.transacting, throwErrors: true});
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return await this.models.Post.bulkDestroy(deleteIds, 'posts', {transacting: options.transacting, throwErrors: true});
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}
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async export(frame) {
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return await this.postsExporter.export(frame.options);
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}
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async #updatePosts(data, options) {
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if (!options.transacting) {
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return await this.models.Post.transaction(async (transacting) => {
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return await this.#updatePosts(data, {
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...options,
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transacting
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});
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});
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}
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const postRows = await this.models.Post.getFilteredCollectionQuery({
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filter: options.filter,
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status: 'all',
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transacting: options.transacting
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}).select('posts.id');
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const editIds = postRows.map(row => row.id);
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let tiers = undefined;
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if (data.tiers) {
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tiers = data.tiers;
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delete data.tiers;
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}
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const result = await this.models.Post.bulkEdit(editIds, 'posts', {
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data,
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transacting: options.transacting,
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throwErrors: true
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});
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// Update tiers
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if (tiers) {
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// First delete all
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await this.models.Post.bulkDestroy(editIds, 'posts_products', {
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column: 'post_id',
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transacting: options.transacting,
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throwErrors: true
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});
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// Then add again
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const toInsert = [];
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for (const postId of editIds) {
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for (const [index, tier] of tiers.entries()) {
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if (typeof tier.id === 'string') {
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toInsert.push({
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id: ObjectId().toHexString(),
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post_id: postId,
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product_id: tier.id,
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sort_order: index
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});
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}
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}
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}
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await this.models.Post.bulkAdd(toInsert, 'posts_products', {
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transacting: options.transacting,
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throwErrors: true
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});
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}
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return result;
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}
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async getProductsFromVisibilityFilter(visibilityFilter) {
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try {
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const allProducts = await this.models.Product.findAll();
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const visibilityFilterJson = nql(visibilityFilter).toJSON();
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const productsData = (visibilityFilterJson.product ? [visibilityFilterJson] : visibilityFilterJson.$or) || [];
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const tiers = productsData
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.map((data) => {
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return allProducts.find((p) => {
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return p.get('slug') === data.product;
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});
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}).filter(p => !!p).map((d) => {
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return d.toJSON();
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});
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return tiers;
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} catch (err) {
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return Promise.reject(new BadRequestError({
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message: tpl(messages.invalidVisibilityFilter),
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context: err.message
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}));
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}
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}
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/**
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* Calculates if the email should be tried to be sent out
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* @private
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* @param {String} currentStatus current status from the post model
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* @param {String} previousStatus previous status from the post model
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* @returns {Boolean}
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*/
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shouldSendEmail(currentStatus, previousStatus) {
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return (['published', 'sent'].includes(currentStatus))
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&& (!['published', 'sent'].includes(previousStatus));
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}
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handleCacheInvalidation(model) {
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let cacheInvalidate;
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if (
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model.get('status') === 'published' && model.wasChanged() ||
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model.get('status') === 'draft' && model.previous('status') === 'published'
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) {
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cacheInvalidate = true;
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} else if (
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model.get('status') === 'draft' && model.previous('status') !== 'published' ||
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model.get('status') === 'scheduled' && model.wasChanged()
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) {
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cacheInvalidate = {
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value: this.urlUtils.urlFor({
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relativeUrl: this.urlUtils.urlJoin('/p', model.get('uuid'), '/')
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})
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};
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} else {
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cacheInvalidate = false;
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}
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return cacheInvalidate;
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}
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}
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module.exports = PostsService;
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