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import * as express from 'express'
import { body, param } from 'express-validator/check'
import { UserRight } from '../../../shared'
import { isIdOrUUIDValid, isIdValid } from '../../helpers/custom-validators/misc'
import { isValidVideoCommentText } from '../../helpers/custom-validators/video-comments'
import { isVideoExist } from '../../helpers/custom-validators/videos'
import { logger } from '../../helpers/logger'
import { UserModel } from '../../models/account/user'
import { VideoModel } from '../../models/video/video'
import { VideoCommentModel } from '../../models/video/video-comment'
import { areValidationErrors } from './utils'
const listVideoCommentThreadsValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking listVideoCommentThreads parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
return next()
}
]
const listVideoThreadCommentsValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
param('threadId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid threadId'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking listVideoThreadComments parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
if (!await isVideoCommentThreadExist(req.params.threadId, res.locals.video, res)) return
return next()
}
]
const addVideoCommentThreadValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
body('text').custom(isValidVideoCommentText).not().isEmpty().withMessage('Should have a valid comment text'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking addVideoCommentThread parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
if (!isVideoCommentsEnabled(res.locals.video, res)) return
return next()
}
]
const addVideoCommentReplyValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),
body('text').custom(isValidVideoCommentText).not().isEmpty().withMessage('Should have a valid comment text'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking addVideoCommentReply parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
if (!isVideoCommentsEnabled(res.locals.video, res)) return
if (!await isVideoCommentExist(req.params.commentId, res.locals.video, res)) return
return next()
}
]
const videoCommentGetValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoCommentGetValidator parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
if (!await isVideoCommentExist(req.params.commentId, res.locals.video, res)) return
return next()
}
]
const removeVideoCommentValidator = [
param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid videoId'),
param('commentId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid commentId'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking removeVideoCommentValidator parameters.', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoExist(req.params.videoId, res)) return
if (!await isVideoCommentExist(req.params.commentId, res.locals.video, res)) return
// Check if the user who did the request is able to delete the video
if (!checkUserCanDeleteVideoComment(res.locals.oauth.token.User, res.locals.videoComment, res)) return
return next()
}
]
// ---------------------------------------------------------------------------
export {
listVideoCommentThreadsValidator,
listVideoThreadCommentsValidator,
addVideoCommentThreadValidator,
addVideoCommentReplyValidator,
videoCommentGetValidator,
removeVideoCommentValidator
}
// ---------------------------------------------------------------------------
async function isVideoCommentThreadExist (id: number, video: VideoModel, res: express.Response) {
const videoComment = await VideoCommentModel.loadById(id)
if (!videoComment) {
res.status(404)
.json({ error: 'Video comment thread not found' })
.end()
return false
}
if (videoComment.videoId !== video.id) {
res.status(400)
.json({ error: 'Video comment is associated to this video.' })
.end()
return false
}
if (videoComment.inReplyToCommentId !== null) {
res.status(400)
.json({ error: 'Video comment is not a thread.' })
.end()
return false
}
res.locals.videoCommentThread = videoComment
return true
}
async function isVideoCommentExist (id: number, video: VideoModel, res: express.Response) {
const videoComment = await VideoCommentModel.loadByIdAndPopulateVideoAndAccountAndReply(id)
if (!videoComment) {
res.status(404)
.json({ error: 'Video comment thread not found' })
.end()
return false
}
if (videoComment.videoId !== video.id) {
res.status(400)
.json({ error: 'Video comment is associated to this video.' })
.end()
return false
}
res.locals.videoComment = videoComment
return true
}
function isVideoCommentsEnabled (video: VideoModel, res: express.Response) {
if (video.commentsEnabled !== true) {
res.status(409)
.json({ error: 'Video comments are disabled for this video.' })
.end()
return false
}
return true
}
function checkUserCanDeleteVideoComment (user: UserModel, videoComment: VideoCommentModel, res: express.Response) {
const account = videoComment.Account
if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_COMMENT) === false && account.userId !== user.id) {
res.status(403)
.json({ error: 'Cannot remove video comment of another user' })
.end()
return false
}
return true
}
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