Add Relation Metadata (#2388)

* Add Relation Metadata

* remove logs

* fix migrations

* add one-to-many relation inside entities

* fix relation

* use enum for tenant migration column action type

server/src/metadata/relation-metadata/hooks/before-create-one-relation.hook.ts

@@ -0,0 +1,27 @@
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+
+import {
+  BeforeCreateOneHook,
+  CreateOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+
+import { CreateRelationInput } from 'src/metadata/relation-metadata/dtos/create-relation.input';
+
+@Injectable()
+export class BeforeCreateOneRelation<T extends CreateRelationInput>
+  implements BeforeCreateOneHook<T, any>
+{
+  async run(
+    instance: CreateOneInputType<T>,
+    context: any,
+  ): Promise<CreateOneInputType<T>> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    instance.input.workspaceId = workspaceId;
+    return instance;
+  }
+}