Add endpoints to create and delete remote server (#4606)

* Build remote server

* Add getters

* Migrate to json inputs

* Use extendable type

* Use regex validation

* Remove acronymes

---------

Co-authored-by: Thomas Trompette <thomast@twenty.com>

packages/twenty-server/src/engine/api/graphql/metadata-graphql-api.module.ts

@@ -5,12 +5,12 @@ import { YogaDriverConfig, YogaDriver } from '@graphql-yoga/nestjs';
 
 import { WorkspaceMigrationRunnerModule } from 'src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.module';
 import { WorkspaceMigrationModule } from 'src/engine/metadata-modules/workspace-migration/workspace-migration.module';
+import { MetadataEngineModule } from 'src/engine/metadata-modules/metadata-engine.module';
+import { CreateContextFactory } from 'src/engine/api/graphql/graphql-config/factories/create-context.factory';
+import { GraphQLConfigModule } from 'src/engine/api/graphql/graphql-config/graphql-config.module';
 import { metadataModuleFactory } from 'src/engine/api/graphql/metadata.module-factory';
 import { EnvironmentService } from 'src/engine/integrations/environment/environment.service';
 import { ExceptionHandlerService } from 'src/engine/integrations/exception-handler/exception-handler.service';
-import { GraphQLConfigModule } from 'src/engine/api/graphql/graphql-config/graphql-config.module';
-import { CreateContextFactory } from 'src/engine/api/graphql/graphql-config/factories/create-context.factory';
-import { MetadataEngineModule } from 'src/engine/metadata-modules/metadata-engine.module';
 
 @Module({
   imports: [

packages/twenty-server/src/engine/api/graphql/workspace-query-builder/factories/factories.ts

@@ -1,3 +1,5 @@
+import { ForeignDataWrapperQueryFactory } from 'src/engine/api/graphql/workspace-query-builder/factories/foreign-data-wrapper-query.factory';
+
 import { ArgsAliasFactory } from './args-alias.factory';
 import { ArgsStringFactory } from './args-string.factory';
 import { RelationFieldAliasFactory } from './relation-field-alias.factory';
@@ -28,4 +30,5 @@ export const workspaceQueryBuilderFactories = [
   UpdateOneQueryFactory,
   UpdateManyQueryFactory,
   DeleteManyQueryFactory,
+  ForeignDataWrapperQueryFactory,
 ];

packages/twenty-server/src/engine/api/graphql/workspace-query-builder/factories/foreign-data-wrapper-query.factory.ts

@@ -0,0 +1,48 @@
+import { Injectable } from '@nestjs/common';
+
+import {
+  ForeignDataWrapperOptions,
+  RemoteServerType,
+  UserMappingOptions,
+} from 'src/engine/metadata-modules/remote-server/remote-server.entity';
+
+@Injectable()
+export class ForeignDataWrapperQueryFactory {
+  createForeignDataWrapper(
+    foreignDataWrapperId: string,
+    foreignDataWrapperType: RemoteServerType,
+    foreignDataWrapperOptions: ForeignDataWrapperOptions<RemoteServerType>,
+  ) {
+    const [name, options] = this.buildNameAndOptionsFromType(
+      foreignDataWrapperType,
+      foreignDataWrapperOptions,
+    );
+
+    return `CREATE SERVER "${foreignDataWrapperId}" FOREIGN DATA WRAPPER ${name} OPTIONS (${options})`;
+  }
+
+  createUserMapping(
+    foreignDataWrapperId: string,
+    userMappingOptions: UserMappingOptions,
+  ) {
+    return `CREATE USER MAPPING IF NOT EXISTS FOR ${userMappingOptions.username} SERVER "${foreignDataWrapperId}" OPTIONS (user '${userMappingOptions.username}', password '${userMappingOptions.password}')`;
+  }
+
+  private buildNameAndOptionsFromType(
+    type: RemoteServerType,
+    options: ForeignDataWrapperOptions<RemoteServerType>,
+  ) {
+    switch (type) {
+      case RemoteServerType.POSTGRES_FDW:
+        return ['postgres_fdw', this.buildPostgresFDWQueryOptions(options)];
+      default:
+        throw new Error('Foreign data wrapper type not supported');
+    }
+  }
+
+  private buildPostgresFDWQueryOptions(
+    foreignDataWrapperOptions: ForeignDataWrapperOptions<RemoteServerType>,
+  ) {
+    return `dbname '${foreignDataWrapperOptions.dbname}', host '${foreignDataWrapperOptions.host}', port '${foreignDataWrapperOptions.port}'`;
+  }
+}