budibase/packages/backend-core/src/db/db.ts

40 lines
1.2 KiB
TypeScript

import env from "../environment"
import { directCouchQuery, DatabaseImpl } from "./couch"
import { CouchFindOptions, Database } from "@budibase/types"
const dbList = new Set()
export function getDB(dbName?: string, opts?: any): Database {
return new DatabaseImpl(dbName, opts)
}
// we have to use a callback for this so that we can close
// the DB when we're done, without this manual requests would
// need to close the database when done with it to avoid memory leaks
export async function doWithDB(dbName: string, cb: any, opts = {}) {
const db = getDB(dbName, opts)
// need this to be async so that we can correctly close DB after all
// async operations have been completed
return await cb(db)
}
export function allDbs() {
if (!env.isTest()) {
throw new Error("Cannot be used outside test environment.")
}
return [...dbList]
}
export async function directCouchAllDbs(queryString?: string) {
let couchPath = "/_all_dbs"
if (queryString) {
couchPath += `?${queryString}`
}
return await directCouchQuery(couchPath)
}
export async function directCouchFind(dbName: string, opts: CouchFindOptions) {
const json = await directCouchQuery(`${dbName}/_find`, "POST", opts)
return { rows: json.docs, bookmark: json.bookmark }
}