Merge pull request #10620 from Budibase/feature/oracle-conn-checking

Oracle connection checking

packages/server/src/api/controllers/datasource.ts

@@ -47,7 +47,10 @@ 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 sdk.datasources.enrich(datasource)
+  }
   // Connect to the DB and build the schema
   return new Connector(datasource.config)
 }
@@ -127,13 +130,17 @@ export async function verify(
   ctx: UserCtx<VerifyDatasourceRequest, VerifyDatasourceResponse>
 ) {
   const { datasource } = ctx.request.body
-  const existingDatasource = await sdk.datasources.get(datasource._id!)
+  let existingDatasource: undefined | Datasource
-
+  if (datasource._id) {
-  const enrichedDatasource = sdk.datasources.mergeConfigs(
+    existingDatasource = await sdk.datasources.get(datasource._id)
+  }
+  let enrichedDatasource = datasource
+  if (existingDatasource) {
+    enrichedDatasource = sdk.datasources.mergeConfigs(
       datasource,
       existingDatasource
     )
-
+  }
   const connector = await getConnector(enrichedDatasource)
   if (!connector.testConnection) {
     ctx.throw(400, "Connection information verification not supported")

packages/server/src/integrations/oracle.ts

@@ -8,6 +8,7 @@ import {
   Table,
   DatasourcePlus,
   DatasourceFeature,
+  ConnectionInfo,
 } from "@budibase/types"
 import {
   buildExternalTableId,
@@ -49,7 +50,7 @@ const SCHEMA: Integration = {
   type: "Relational",
   description:
     "Oracle Database is an object-relational database management system developed by Oracle Corporation",
-  features: [],
+  features: [DatasourceFeature.CONNECTION_CHECKING],
   datasource: {
     host: {
       type: DatasourceFieldType.STRING,
@@ -322,6 +323,30 @@ class OracleIntegration extends Sql implements DatasourcePlus {
     this.schemaErrors = final.errors
   }
 
+  async testConnection() {
+    const response: ConnectionInfo = {
+      connected: false,
+    }
+    let connection
+    try {
+      connection = await this.getConnection()
+      response.connected = true
+    } catch (err: any) {
+      response.connected = false
+      response.error = err.message
+    } finally {
+      if (connection) {
+        try {
+          await connection.close()
+        } catch (err: any) {
+          response.connected = false
+          response.error = err.message
+        }
+      }
+    }
+    return response
+  }
+
   private async internalQuery<T>(query: SqlQuery): Promise<Result<T>> {
     let connection
     try {