Kristaps Fabians Geikins
62 lines
2.0 KiB
TypeScript
62 lines
2.0 KiB
TypeScript
import { CommentLinkRecord, CommentRecord } from '@/modules/comments/helpers/types'
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import { CommentLinks, Comments, knex } from '@/modules/core/dbSchema'
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import { ResourceIdentifier } from '@/modules/core/graph/generated/graphql'
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import { Optional } from '@/modules/shared/helpers/typeHelper'
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import { keyBy } from 'lodash'
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export type ExtendedComment = CommentRecord & {
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/**
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* comment_links resources for the comment
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*/
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resources: Array<Omit<CommentLinkRecord, 'commentId'>>
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/**
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* If userId was specified, this will contain the last time the user
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* viewed this comment
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*/
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viewedAt?: Date
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}
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/**
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* Get a single comment
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*/
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export async function getComment(params: { id: string; userId?: string }) {
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const { id, userId = null } = params
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const query = Comments.knex().select('*').joinRaw(`
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join(
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select cl."commentId" as id, JSON_AGG(json_build_object('resourceId', cl."resourceId", 'resourceType', cl."resourceType")) as resources
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from comment_links cl
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join comments on comments.id = cl."commentId"
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group by cl."commentId"
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) res using(id)`)
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if (userId) {
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query.leftOuterJoin('comment_views', (b) => {
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b.on('comment_views.commentId', '=', 'comments.id')
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b.andOn('comment_views.userId', '=', knex.raw('?', userId))
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})
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}
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query.where({ id }).first()
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return (await query) as Optional<ExtendedComment>
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}
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/**
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* Get resources array for the specified comments. Results object is keyed by comment ID.
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*/
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export async function getCommentsResources(commentIds: string[]) {
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if (!commentIds.length) return {}
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const q = CommentLinks.knex()
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.select<{ commentId: string; resources: ResourceIdentifier[] }[]>([
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CommentLinks.col.commentId,
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knex.raw(
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`JSON_AGG(json_build_object('resourceId', "resourceId", 'resourceType', "resourceType")) as resources`
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)
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])
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.whereIn(CommentLinks.col.commentId, commentIds)
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.groupBy(CommentLinks.col.commentId)
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const results = await q
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return keyBy(results, 'commentId')
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}
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