budibase/packages/server/src/sdk/app/datasources/plus.ts

86 lines
2.3 KiB
TypeScript

import {
Datasource,
DatasourcePlus,
IntegrationBase,
Schema,
} from "@budibase/types"
import * as datasources from "./datasources"
import tableSdk from "../tables"
import { getIntegration } from "../../../integrations"
import { context } from "@budibase/backend-core"
export async function buildFilteredSchema(
datasource: Datasource,
filter?: string[]
): Promise<Schema> {
const schema = await buildSchemaHelper(datasource)
if (!filter) {
return schema
}
let filteredSchema: Schema = { tables: {}, errors: {} }
for (let key in schema.tables) {
if (filter.some(filter => filter.toLowerCase() === key.toLowerCase())) {
filteredSchema.tables[key] = schema.tables[key]
}
}
for (let key in schema.errors) {
if (filter.some(filter => filter.toLowerCase() === key.toLowerCase())) {
filteredSchema.errors[key] = schema.errors[key]
}
}
return filteredSchema
}
async function buildSchemaHelper(datasource: Datasource): Promise<Schema> {
const connector = (await getConnector(datasource)) as DatasourcePlus
const externalSchema = await connector.buildSchema(
datasource._id!,
datasource.entities!
)
return externalSchema
}
export async function getConnector(
datasource: Datasource
): Promise<IntegrationBase | DatasourcePlus> {
const Connector = await getIntegration(datasource.source)
// can't enrich if it doesn't have an ID yet
if (datasource._id) {
datasource = await datasources.enrich(datasource)
}
// Connect to the DB and build the schema
return new Connector(datasource.config)
}
export async function getAndMergeDatasource(datasource: Datasource) {
if (datasource._id) {
const existingDatasource = await datasources.get(datasource._id)
datasource = datasources.mergeConfigs(datasource, existingDatasource)
}
return await datasources.enrich(datasource)
}
export async function buildSchemaFromSource(
datasourceId: string,
tablesFilter?: string[]
) {
const db = context.getAppDB()
const datasource = await datasources.get(datasourceId)
const { tables, errors } = await buildFilteredSchema(datasource, tablesFilter)
datasource.entities = tables
datasources.setDefaultDisplayColumns(datasource)
const dbResp = await db.put(tableSdk.populateExternalTableSchemas(datasource))
datasource._rev = dbResp.rev
return {
datasource,
errors,
}
}