2017-10-24 19:41:09 +02:00
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import { body, param } from 'express-validator/check'
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import * as express from 'express'
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import { checkErrors } from './utils'
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import { database as db } from '../../initializers'
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import {
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logger,
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isIdOrUUIDValid,
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isVideoChannelDescriptionValid,
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isVideoChannelNameValid,
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checkVideoChannelExists,
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checkVideoAuthorExists
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} from '../../helpers'
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2017-10-27 16:55:03 +02:00
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import { UserInstance } from '../../models'
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import { UserRight } from '../../../shared'
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2017-10-24 19:41:09 +02:00
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const listVideoAuthorChannelsValidator = [
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param('authorId').custom(isIdOrUUIDValid).withMessage('Should have a valid author id'),
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(req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking listVideoAuthorChannelsValidator parameters', { parameters: req.body })
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checkErrors(req, res, () => {
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checkVideoAuthorExists(req.params.authorId, res, next)
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})
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}
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]
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const videoChannelsAddValidator = [
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body('name').custom(isVideoChannelNameValid).withMessage('Should have a valid name'),
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body('description').custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
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(req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body })
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checkErrors(req, res, next)
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}
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]
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const videoChannelsUpdateValidator = [
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param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
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body('name').optional().custom(isVideoChannelNameValid).withMessage('Should have a valid name'),
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body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
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(req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking videoChannelsUpdate parameters', { parameters: req.body })
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checkErrors(req, res, () => {
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checkVideoChannelExists(req.params.id, res, () => {
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// We need to make additional checks
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if (res.locals.videoChannel.isOwned() === false) {
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return res.status(403)
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.json({ error: 'Cannot update video channel of another pod' })
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.end()
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}
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if (res.locals.videoChannel.Author.userId !== res.locals.oauth.token.User.id) {
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return res.status(403)
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.json({ error: 'Cannot update video channel of another user' })
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.end()
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}
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next()
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})
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})
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}
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]
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const videoChannelsRemoveValidator = [
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param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
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(req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking videoChannelsRemove parameters', { parameters: req.params })
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checkErrors(req, res, () => {
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checkVideoChannelExists(req.params.id, res, () => {
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// Check if the user who did the request is able to delete the video
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checkUserCanDeleteVideoChannel(res, () => {
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checkVideoChannelIsNotTheLastOne(res, next)
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})
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})
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})
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}
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]
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const videoChannelGetValidator = [
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param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
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(req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking videoChannelsGet parameters', { parameters: req.params })
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checkErrors(req, res, () => {
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checkVideoChannelExists(req.params.id, res, next)
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})
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}
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]
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// ---------------------------------------------------------------------------
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export {
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listVideoAuthorChannelsValidator,
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videoChannelsAddValidator,
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videoChannelsUpdateValidator,
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videoChannelsRemoveValidator,
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videoChannelGetValidator
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}
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// ---------------------------------------------------------------------------
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function checkUserCanDeleteVideoChannel (res: express.Response, callback: () => void) {
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2017-10-27 16:55:03 +02:00
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const user: UserInstance = res.locals.oauth.token.User
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2017-10-24 19:41:09 +02:00
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// Retrieve the user who did the request
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if (res.locals.videoChannel.isOwned() === false) {
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return res.status(403)
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.json({ error: 'Cannot remove video channel of another pod.' })
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.end()
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}
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// Check if the user can delete the video channel
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// The user can delete it if s/he is an admin
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// Or if s/he is the video channel's author
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2017-10-27 16:55:03 +02:00
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if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_CHANNEL) === false && res.locals.videoChannel.Author.userId !== user.id) {
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2017-10-24 19:41:09 +02:00
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return res.status(403)
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.json({ error: 'Cannot remove video channel of another user' })
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.end()
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}
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// If we reach this comment, we can delete the video
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callback()
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}
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function checkVideoChannelIsNotTheLastOne (res: express.Response, callback: () => void) {
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db.VideoChannel.countByAuthor(res.locals.oauth.token.User.Author.id)
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.then(count => {
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if (count <= 1) {
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return res.status(409)
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.json({ error: 'Cannot remove the last channel of this user' })
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.end()
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}
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callback()
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})
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}
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