+import { exists, isIdOrUUIDValid, isIdValid, toCompleteUUID } from '../../helpers/custom-validators/misc'
+import {
+ areValidationErrors,
+ checkCanSeeVideo,
+ doesAccountIdExist,
+ doesAccountNameWithHostExist,
+ doesUserFeedTokenCorrespond,
+ doesVideoChannelIdExist,
+ doesVideoChannelNameWithHostExist,
+ doesVideoExist
+} from './shared'
+
+const feedsFormatValidator = [
+ param('format')
+ .optional()
+ .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'),
+ query('format')
+ .optional()
+ .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'),
+
+ (req: express.Request, res: express.Response, next: express.NextFunction) => {
+ if (areValidationErrors(req, res)) return
+
+ return next()
+ }
+]
+
+function setFeedFormatContentType (req: express.Request, res: express.Response, next: express.NextFunction) {
+ const format = req.query.format || req.params.format || 'rss'
+
+ let acceptableContentTypes: string[]
+ if (format === 'atom' || format === 'atom1') {
+ acceptableContentTypes = [ 'application/atom+xml', 'application/xml', 'text/xml' ]
+ } else if (format === 'json' || format === 'json1') {
+ acceptableContentTypes = [ 'application/json' ]
+ } else if (format === 'rss' || format === 'rss2') {
+ acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ]
+ } else {
+ acceptableContentTypes = [ 'application/xml', 'text/xml' ]
+ }
+
+ if (req.accepts(acceptableContentTypes)) {
+ res.set('Content-Type', req.accepts(acceptableContentTypes) as string)
+ } else {
+ return res.fail({
+ status: HttpStatusCode.NOT_ACCEPTABLE_406,
+ message: `You should accept at least one of the following content-types: ${acceptableContentTypes.join(', ')}`
+ })
+ }
+
+ return next()
+}