Iain Sproat
96 lines
2.5 KiB
TypeScript
96 lines
2.5 KiB
TypeScript
import { buildTableHelper } from '@/modules/core/dbSchema'
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import {
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GetObjectPreviewInfo,
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GetPreviewImage,
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StoreObjectPreview,
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StorePreview,
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UpdateObjectPreview
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} from '@/modules/previews/domain/operations'
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import {
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ObjectPreview as ObjectPreviewRecord,
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Preview
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} from '@/modules/previews/domain/types'
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import { Knex } from 'knex'
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import { SetOptional } from 'type-fest'
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import { PreviewStatus } from '@/modules/previews/domain/consts'
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const ObjectPreview = buildTableHelper('object_preview', [
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'streamId',
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'objectId',
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'previewStatus',
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'priority',
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'lastUpdate',
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'preview'
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])
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const Previews = buildTableHelper('previews', ['id', 'data'])
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const tables = {
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objectPreview: (db: Knex) => db<ObjectPreviewRecord>(ObjectPreview.name),
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previews: (db: Knex) => db<Preview>(Previews.name)
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}
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export const getObjectPreviewInfoFactory =
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(deps: { db: Knex }): GetObjectPreviewInfo =>
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async ({ streamId, objectId }: { streamId: string; objectId: string }) => {
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return await tables
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.objectPreview(deps.db)
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.select('*')
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.where({ streamId, objectId })
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.first()
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}
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/**
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* @throws {Error} if the preview already exists
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*/
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export const storeObjectPreviewFactory =
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({ db }: { db: Knex }): StoreObjectPreview =>
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async ({
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streamId,
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objectId,
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priority
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}: Pick<ObjectPreviewRecord, 'streamId' | 'objectId' | 'priority'>) => {
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const insertionObject: SetOptional<ObjectPreviewRecord, 'lastUpdate' | 'preview'> =
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{
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streamId,
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objectId,
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priority,
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previewStatus: PreviewStatus.PENDING
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}
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const sqlQuery = tables.objectPreview(db).insert(insertionObject)
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await sqlQuery
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}
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export const storePreviewFactory =
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({ db }: { db: Knex }): StorePreview =>
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async ({ preview }) => {
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await tables.previews(db).insert(preview).onConflict().ignore()
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}
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export const updateObjectPreviewFactory =
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({ db }: { db: Knex }): UpdateObjectPreview =>
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async ({ objectPreview }) => {
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return await tables
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.objectPreview(db)
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.where({
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streamId: objectPreview.streamId,
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objectId: objectPreview.objectId
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})
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.update(objectPreview)
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.returning<ObjectPreviewRecord[]>('*')
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}
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export const getPreviewImageFactory =
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(deps: { db: Knex }): GetPreviewImage =>
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async ({ previewId }: { previewId: string }) => {
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const previewRow = await tables
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.previews(deps.db)
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.where({ id: previewId })
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.first()
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.select('*')
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if (!previewRow) {
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return null
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}
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return previewRow.data
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}
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