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808 lines
23 KiB
808 lines
23 KiB
// post.js
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// Copyright (C) 2021 Digital Telepresence, LLC
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// License: Apache-2.0
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'use strict';
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const express = require('express');
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const multer = require('multer');
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const { SiteController, SiteError } = require('../../lib/site-lib');
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class PostController extends SiteController {
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constructor (dtp) {
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super(dtp, module.exports);
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}
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async start ( ) {
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const { dtp } = this;
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const {
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comment: commentService,
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limiter: limiterService,
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session: sessionService,
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} = dtp.services;
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const authRequired = sessionService.authCheckMiddleware({ requiredLogin: true });
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const upload = multer({ dest: `/tmp/dtp-sites/${this.dtp.config.site.domainKey}`});
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const router = express.Router();
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dtp.app.use('/post', router);
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async function requireAuthorPrivileges (req, res, next) {
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if (req.user && req.user.flags.isAdmin) {
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return next();
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}
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if (!req.user || !req.user.permissions.canAuthorPages) {
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return next(new SiteError(403, 'Author privileges are required'));
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}
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return next();
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}
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router.use(async (req, res, next) => {
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res.locals.currentView = 'home';
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return next();
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});
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router.param('username', this.populateUsername.bind(this));
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router.param('postSlug', this.populatePostSlug.bind(this));
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router.param('postId', this.populatePostId.bind(this));
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router.param('tagSlug', this.populateTagSlug.bind(this));
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router.param('commentId', commentService.populateCommentId.bind(commentService));
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router.post('/:postSlug/comment/:commentId/block-author', authRequired, upload.none(), this.postBlockCommentAuthor.bind(this));
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router.post('/:postSlug/comment', authRequired, upload.none(), this.postComment.bind(this));
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router.post('/:postId/image', requireAuthorPrivileges, upload.single('imageFile'), this.postUpdateImage.bind(this));
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router.post('/:postId', requireAuthorPrivileges, this.postUpdatePost.bind(this));
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router.post('/:postId/tags', requireAuthorPrivileges, this.postUpdatePostTags.bind(this));
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router.post('/', requireAuthorPrivileges, this.postCreatePost.bind(this));
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router.get('/:postId/edit', requireAuthorPrivileges, this.getEditor.bind(this));
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router.get('/compose', requireAuthorPrivileges, this.getComposer.bind(this));
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router.get('/:postSlug/comment',
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limiterService.createMiddleware(limiterService.config.post.getComments),
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this.getComments.bind(this),
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);
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router.get('/author/:username',
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limiterService.createMiddleware(limiterService.config.post.getIndex),
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this.getAuthorView.bind(this),
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);
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router.get('/authors',
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limiterService.createMiddleware(limiterService.config.post.getAllAuthorsView),
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this.getAllAuthorsView.bind(this),
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);
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router.get('/tags', this.getTagIndex.bind(this));
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router.get('/:postSlug',
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limiterService.createMiddleware(limiterService.config.post.getView),
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this.getView.bind(this),
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);
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router.get('/',
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limiterService.createMiddleware(limiterService.config.post.getIndex),
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this.getIndex.bind(this),
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);
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router.delete(
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'/:postId/profile-photo',
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requireAuthorPrivileges,
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this.deletePostFeatureImage.bind(this),
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);
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router.delete(
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'/:postId',
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requireAuthorPrivileges,
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this.deletePost.bind(this),
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);
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router.get('/tag/:tagSlug', this.getTagSearchView.bind(this));
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}
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async populateUsername (req, res, next, username) {
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const {
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logan: loganService,
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user: userService,
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} = this.dtp.services;
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try {
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res.locals.author = await userService.lookup(username);
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if (!res.locals.author) {
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throw new SiteError(404, 'User not found');
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}
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return next();
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'populateUsername',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async populatePostSlug (req, res, next, postSlug) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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res.locals.post = await postService.getBySlug(postSlug);
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if (!res.locals.post) {
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throw new SiteError(404, 'Post not found');
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}
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return next();
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'populatePostSlug',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async populatePostId (req, res, next, postId) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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res.locals.post = await postService.getById(postId);
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// these don't 404 if not found, it's fine.
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// An upsert is used to update or create.
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return next();
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'populatePostId',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async populateTagSlug (req, res, next, tagSlug) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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var allPosts = false;
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var statusArray = ['published'];
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if (req.user) {
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if (req.user.flags.isAdmin) {
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statusArray.push('draft');
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allPosts = true;
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}
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}
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res.locals.allPosts = allPosts;
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res.locals.tagSlug = tagSlug;
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res.locals.tag = tagSlug.replace("_", " ");
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res.locals.pagination = this.getPaginationParameters(req, 12);
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const {posts, totalPosts} = await postService.getByTags(res.locals.tag, res.locals.pagination, statusArray);
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res.locals.posts = posts;
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res.locals.totalPosts = totalPosts;
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return next();
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'populateTagSlug',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async postBlockCommentAuthor (req, res) {
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const {
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logan: loganService,
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user: userService,
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} = this.dtp.services;
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try {
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const displayList = this.createDisplayList('add-recipient');
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await userService.blockUser(req.user._id, req.body.userId);
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displayList.showNotification(
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'Comment author blocked',
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'success',
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'bottom-center',
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4000,
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);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postBlockCommentAuthor',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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blockedUserId: req.body.userId,
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},
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});
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res.status(200).json({ success: true, displayList });
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postBlockCommentAuthor',
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message: error.message,
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data: { error },
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});
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return res.status(error.statusCode || 500).json({
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success: false,
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message: error.message,
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});
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}
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}
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async postComment (req, res) {
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const {
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comment: commentService,
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logan: loganService,
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} = this.dtp.services;
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try {
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const displayList = this.createDisplayList('add-recipient');
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res.locals.comment = await commentService.create(req.user, 'Post', res.locals.post, req.body);
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displayList.setInputValue('textarea#content', '');
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displayList.setTextContent('#comment-character-count', '0');
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let viewModel = Object.assign({ }, req.app.locals);
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viewModel = Object.assign(viewModel, res.locals);
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const html = await commentService.renderTemplate('comment', viewModel);
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if (req.body.replyTo) {
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const replyListSelector = `.dtp-reply-list-container[data-comment-id="${req.body.replyTo}"]`;
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displayList.addElement(replyListSelector, 'afterBegin', html);
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displayList.removeAttribute(replyListSelector, 'hidden');
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} else {
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displayList.addElement('ul#post-comment-list', 'afterBegin', html);
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}
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displayList.showNotification(
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'Comment created',
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'success',
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'bottom-center',
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4000,
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);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postComment',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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comment: {
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_id: res.locals.comment._id,
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},
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},
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});
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res.status(200).json({ success: true, displayList });
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postComment',
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message: error.message,
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data: { error },
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});
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res.status(error.statusCode || 500).json({ success: false, message: error.message });
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}
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}
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async postUpdateImage (req, res) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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const displayList = this.createDisplayList('post-image');
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await postService.updateImage(req.user, res.locals.post, req.file);
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displayList.showNotification(
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'Profile photo updated successfully.',
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'success',
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'bottom-center',
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2000,
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);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postUpdateImage',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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},
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});
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res.status(200).json({ success: true, displayList });
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postUpdateImage',
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message: error.message,
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data: { error },
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});
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return res.status(error.statusCode || 500).json({
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success: false,
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message: error.message,
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});
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}
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}
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async deletePostFeatureImage (req, res) {
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const { logan: loganService } = this.dtp.services;
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loganService.sendRequestEvent(module.exports, req, {
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level: 'alert',
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message: 'Deleting a post feature image is not yet implemented',
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event: 'deletePostFeatureImage',
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});
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res.status(500).json({ success: false, message: 'Removing the featured image is not yet implemented'});
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}
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async postUpdatePost (req, res, next) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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if(!req.user.flags.isAdmin){
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if (!req.user._id.equals(res.locals.post.author._id) ||
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!req.user.permissions.canPublishPosts) {
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throw new SiteError(403, 'This is not your post');
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}
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}
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await postService.update(req.user, res.locals.post, req.body);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postUpdatePost',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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},
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});
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res.redirect(`/post/${res.locals.post.slug}`);
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postUpdatePost',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async postUpdatePostTags (req, res) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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if(!req.user.flags.isAdmin)
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{
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if (!req.user._id.equals(res.locals.post.author._id)) {
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throw new SiteError(403, 'Only authors or admins can update tags.');
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}
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}
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await postService.updateTags(req.user, res.locals.post, req.body);
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const displayList = this.createDisplayList();
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displayList.showNotification(
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'Profile photo updated successfully.',
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'success',
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'bottom-center',
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2000,
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);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postUpdatePostTags',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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},
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});
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res.status(200).json({ success: true, displayList });
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postUpdatePostTags',
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message: error.message,
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data: { error },
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});
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return res.status(error.statusCode || 500).json({
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success: false,
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message: error.message,
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});
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}
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}
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async postCreatePost (req, res, next) {
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const {
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logan: loganService,
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post: postService,
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} = this.dtp.services;
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try {
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res.locals.post = await postService.create(req.user, req.body);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'postCreatePost',
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data: {
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post: {
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_id: res.locals.post._id,
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title: res.locals.post.title,
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},
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},
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});
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res.redirect(`/post/${res.locals.post.slug}`);
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'postCreatePost',
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message: error.message,
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data: { error },
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});
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return next(error);
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}
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}
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async getComments (req, res) {
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const {
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comment: commentService,
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logan: loganService,
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} = this.dtp.services;
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try {
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const displayList = this.createDisplayList('add-recipient');
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if (req.query.buttonId) {
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displayList.removeElement(`li.dtp-load-more[data-button-id="${req.query.buttonId}"]`);
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}
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Object.assign(res.locals, req.app.locals);
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res.locals.countPerPage = parseInt(req.query.cpp || "20", 10);
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if (res.locals.countPerPage < 1) {
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res.locals.countPerPage = 1;
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}
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if (res.locals.countPerPage > 20) {
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res.locals.countPerPage = 20;
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}
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res.locals.pagination = this.getPaginationParameters(req, res.locals.countPerPage);
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res.locals.comments = await commentService.getForResource(
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res.locals.post,
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['published', 'mod-warn', 'mod-removed', 'removed'],
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res.locals.pagination,
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);
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const html = await commentService.renderTemplate('commentList', res.locals);
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const replyList = `ul#post-comment-list`;
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displayList.addElement(replyList, 'beforeEnd', html);
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'getComments',
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});
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res.status(200).json({ success: true, displayList });
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'getComments',
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message: error.message,
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data: { error },
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});
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return res.status(error.statusCode || 500).json({
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success: false,
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message: error.message,
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});
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}
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}
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async getView (req, res, next) {
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const {
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comment: commentService,
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logan: loganService,
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resource: resourceService,
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} = this.dtp.services;
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try {
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if (res.locals.post.status !== 'published') {
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if (!req.user) {
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throw new SiteError(403, 'The post is not published');
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}
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if (!res.locals.post.author._id.equals(req.user._id) && !req.user.flags.isAdmin) {
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throw new SiteError(403, 'The post is not published');
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}
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}
|
|
if (res.locals.post.status === 'published') {
|
|
await resourceService.recordView(req, 'Post', res.locals.post._id);
|
|
}
|
|
res.locals.countPerPage = 20;
|
|
res.locals.pagination = this.getPaginationParameters(req, res.locals.countPerPage);
|
|
|
|
if (req.query.comment) {
|
|
res.locals.featuredComment = await commentService.getById(req.query.comment);
|
|
}
|
|
|
|
res.locals.comments = await commentService.getForResource(
|
|
res.locals.post,
|
|
['published', 'mod-warn', 'mod-removed', 'removed'],
|
|
res.locals.pagination,
|
|
);
|
|
res.locals.pageTitle = `${res.locals.post.title} on ${this.dtp.config.site.name}`;
|
|
res.locals.pageDescription = `${res.locals.post.summary}`;
|
|
if (res.locals.post.image) {
|
|
res.locals.shareImage = `https://${this.dtp.config.site.domain}/image/${res.locals.post.image._id}`;
|
|
}
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getView',
|
|
});
|
|
|
|
res.render('post/view');
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getView',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async getEditor (req, res, next) {
|
|
const { logan: loganService } = this.dtp.services;
|
|
try {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getEditor',
|
|
});
|
|
res.render('post/editor');
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getEditor',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async getComposer (req, res, next) {
|
|
const {
|
|
logan: loganService,
|
|
post: postService,
|
|
} = this.dtp.services;
|
|
try {
|
|
res.locals.post = await postService.createPlaceholder(req.user);
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getComposer',
|
|
});
|
|
|
|
res.redirect(`/post/${res.locals.post._id}/edit`);
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getComposer',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async getIndex (req, res, next) {
|
|
const {
|
|
logan: loganService,
|
|
post: postService,
|
|
} = this.dtp.services;
|
|
try {
|
|
res.locals.pagination = this.getPaginationParameters(req, 20);
|
|
res.locals.posts = await postService.getPosts(res.locals.pagination);
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getIndex',
|
|
});
|
|
|
|
res.render('post/index');
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getIndex',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async getAuthorView (req, res, next) {
|
|
const {
|
|
logan: loganService,
|
|
post: postService,
|
|
} = this.dtp.services;
|
|
try {
|
|
res.locals.pagination = this.getPaginationParameters(req, 20);
|
|
const {posts, totalPostCount} = await postService.getForAuthor(res.locals.author, ['published'], res.locals.pagination);
|
|
res.locals.posts = posts;
|
|
res.locals.totalPostCount = totalPostCount;
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getAuthorView',
|
|
});
|
|
|
|
res.render('post/author/view');
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getAuthorView',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async getAllAuthorsView (req, res, next) {
|
|
const {
|
|
logan: loganService,
|
|
user: userService,
|
|
} = this.dtp.services;
|
|
try {
|
|
res.locals.pagination = this.getPaginationParameters(req, 20);
|
|
|
|
const {authors , totalAuthorCount } = await userService.getAuthors(res.locals.pagination);
|
|
res.locals.authors = authors;
|
|
res.locals.totalAuthorCount = totalAuthorCount;
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getAllAuthorsView',
|
|
});
|
|
|
|
res.render('post/author/all');
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'getAllAuthorsView',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return next(error);
|
|
}
|
|
}
|
|
|
|
async deletePost (req, res) {
|
|
const {
|
|
logan: loganService,
|
|
post: postService,
|
|
} = this.dtp.services;
|
|
try {
|
|
// only give admins and the author permission to delete
|
|
if (!req.user.flags.isAdmin) {
|
|
if (!req.user._id.equals(res.locals.post.author._id)) {
|
|
throw new SiteError(403, 'This is not your post');
|
|
}
|
|
}
|
|
|
|
await postService.deletePost(res.locals.post);
|
|
|
|
const displayList = this.createDisplayList('add-recipient');
|
|
displayList.navigateTo('/');
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'deletePost',
|
|
data: {
|
|
post: {
|
|
_id: res.locals.post._id,
|
|
title: res.locals.post.title,
|
|
author: {
|
|
_id: res.locals.post.author._id,
|
|
username: res.locals.post.author.username,
|
|
},
|
|
},
|
|
},
|
|
});
|
|
|
|
res.status(200).json({ success: true, displayList });
|
|
} catch (error) {
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'error',
|
|
event: 'deletePost',
|
|
message: error.message,
|
|
data: { error },
|
|
});
|
|
return res.status(error.statusCode || 500).json({
|
|
success: false,
|
|
message: error.message,
|
|
});
|
|
}
|
|
}
|
|
|
|
async getTagSearchView (req, res) {
|
|
const { logan: loganService } = this.dtp.services;
|
|
try {
|
|
res.locals.pageTitle = `Tag ${res.locals.tag} on ${this.dtp.config.site.name}`;
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getTagSearchView',
|
|
});
|
|
|
|
res.render('post/tag/view');
|
|
} catch (error) {
|
|
this.log.error('failed to service post view', { postId: res.locals.post._id, error });
|
|
throw SiteError("Error getting tag view:", error );
|
|
}
|
|
}
|
|
|
|
|
|
async getTagIndex (req, res, next) {
|
|
const {
|
|
logan: loganService,
|
|
post: postService,
|
|
} = this.dtp.services;
|
|
try {
|
|
res.locals.pagination = this.getPaginationParameters(req, 20);
|
|
res.locals.posts = await postService.getPosts(res.locals.pagination);
|
|
|
|
loganService.sendRequestEvent(module.exports, req, {
|
|
level: 'info',
|
|
event: 'getTagIndex',
|
|
});
|
|
|
|
res.render('post/tag/index');
|
|
} catch (error) {
|
|
return next(error);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = {
|
|
slug: 'post',
|
|
name: 'post',
|
|
className: 'PostController',
|
|
create: async (dtp) => { return new PostController(dtp); },
|
|
}; |