48 lines
1.1 KiB
TypeScript
48 lines
1.1 KiB
TypeScript
import { Display, Playlist, Song } from '@lyrics/models.ts'
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export const kv = await Deno.openKv('lyrics')
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export const TablesForModels = {
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'song': Song,
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'playlist': Playlist,
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'display': Display,
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}
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export type Table = keyof typeof TablesForModels
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function crudFor<
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P extends keyof typeof TablesForModels,
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T extends { id: string },
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M extends { parse: (a: unknown) => T },
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>(m: M, p: P) {
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return {
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async all(): Promise<T[]> {
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const result: T[] = []
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for await (const v of kv.list<T>({ prefix: [p] })) {
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result.push(m.parse(v.value))
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}
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return result
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},
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async get(id: string): Promise<T | null> {
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const e = await kv.get<T>([p, id])
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if (e.value == null) return null
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return m.parse(e.value)
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},
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async save(t: T) {
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return await kv.set([p, t.id], t)
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},
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async delete(id: string) {
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return await kv.delete([p, id])
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},
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}
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}
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export function isTable(value: string): value is Table {
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return (value in TablesForModels)
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}
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export const db = {
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song: crudFor(Song, 'song'),
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playlist: crudFor(Playlist, 'playlist'),
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display: crudFor(Display, 'display'),
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}
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