budibase/packages/frontend-core/src/fetch/index.ts

81 lines
2.2 KiB
TypeScript

import TableFetch from "./TableFetch.js"
import ViewFetch from "./ViewFetch.js"
import ViewV2Fetch from "./ViewV2Fetch.js"
import QueryFetch from "./QueryFetch"
import RelationshipFetch from "./RelationshipFetch"
import NestedProviderFetch from "./NestedProviderFetch.js"
import FieldFetch from "./FieldFetch"
import JSONArrayFetch from "./JSONArrayFetch"
import UserFetch from "./UserFetch.js"
import GroupUserFetch from "./GroupUserFetch"
import CustomFetch from "./CustomFetch.js"
import QueryArrayFetch from "./QueryArrayFetch.js"
import { Table, UIDatasource } from "@budibase/types"
import { APIClient } from "../api/types.js"
const DataFetchMap = {
table: TableFetch,
view: ViewFetch,
viewV2: ViewV2Fetch,
query: QueryFetch,
link: RelationshipFetch,
user: UserFetch,
groupUser: GroupUserFetch,
custom: CustomFetch,
// Client specific datasource types
provider: NestedProviderFetch,
field: FieldFetch,
jsonarray: JSONArrayFetch,
queryarray: QueryArrayFetch,
}
// Constructs a new fetch model for a certain datasource
export const fetchData = ({ API, datasource, options }: any) => {
const Fetch =
DataFetchMap[datasource?.type as keyof typeof DataFetchMap] || TableFetch
return new Fetch({ API, datasource, ...options })
}
// Creates an empty fetch instance with no datasource configured, so no data
// will initially be loaded
const createEmptyFetchInstance = ({
API,
datasource,
}: {
API: APIClient
datasource: any
}) => {
const handler = DataFetchMap[datasource?.type as keyof typeof DataFetchMap]
if (!handler) {
return null
}
return new handler({ API, datasource: null as any, query: null as any })
}
// Fetches the definition of any type of datasource
export const getDatasourceDefinition = async ({
API,
datasource,
}: {
API: APIClient
datasource: UIDatasource
}) => {
const instance = createEmptyFetchInstance({ API, datasource })
return await instance?.getDefinition(datasource)
}
// Fetches the schema of any type of datasource
export const getDatasourceSchema = ({
API,
datasource,
definition,
}: {
API: APIClient
datasource: UIDatasource
definition: Table
}) => {
const instance = createEmptyFetchInstance({ API, datasource })
return instance?.getSchema(datasource, definition)
}