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import * as Sequelize from 'sequelize'
import { ResultList } from '../../shared/models'
import { VideoCommentThread } from '../../shared/models/videos/video-comment.model'
import { VideoModel } from '../models/video/video'
import { VideoCommentModel } from '../models/video/video-comment'
import { getVideoCommentActivityPubUrl } from './activitypub'
async function createVideoComment (obj: {
text: string,
inReplyToComment: number,
video: VideoModel
actorId: number
}, t: Sequelize.Transaction) {
let originCommentId: number = null
if (obj.inReplyToComment) {
const repliedComment = await VideoCommentModel.loadById(obj.inReplyToComment)
if (!repliedComment) throw new Error('Unknown replied comment.')
originCommentId = repliedComment.originCommentId || repliedComment.id
}
const comment = await VideoCommentModel.create({
text: obj.text,
originCommentId,
inReplyToComment: obj.inReplyToComment,
videoId: obj.video.id,
actorId: obj.actorId
}, { transaction: t })
comment.set('url', getVideoCommentActivityPubUrl(obj.video, comment))
return comment.save({ transaction: t })
}
function buildFormattedCommentTree (resultList: ResultList<VideoCommentModel>): VideoCommentThread {
// Comments are sorted by id ASC
const comments = resultList.data
const comment = comments.shift()
const thread: VideoCommentThread = {
comment: comment.toFormattedJSON(),
children: []
}
const idx = {
[comment.id]: thread
}
while (comments.length !== 0) {
const childComment = comments.shift()
const childCommentThread: VideoCommentThread = {
comment: childComment.toFormattedJSON(),
children: []
}
const parentCommentThread = idx[childComment.inReplyToCommentId]
if (!parentCommentThread) {
const msg = `Cannot format video thread tree, parent ${childComment.inReplyToCommentId} not found for child ${childComment.id}`
throw new Error(msg)
}
parentCommentThread.children.push(childCommentThread)
idx[childComment.id] = childCommentThread
}
return thread
}
// ---------------------------------------------------------------------------
export {
createVideoComment,
buildFormattedCommentTree
}
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