Add identifier fields to ObjectMetadata (#2616)

* Add indentifier fields to ObjectMetadata

* Add indentifier fields to ObjectMetadata

* Add indentifier fields to ObjectMetadata

* temporarily block name/label edition

server/src/database/typeorm/metadata/migrations/1700565712112-addIdentifierFieldToObjectMetadata.ts

@@ -0,0 +1,25 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddIdentifierFieldToObjectMetadata1700565712112
+  implements MigrationInterface
+{
+  name = 'AddIdentifierFieldToObjectMetadata1700565712112';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "metadata"."objectMetadata" ADD "labelIdentifierFieldMetadataId" character varying`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "metadata"."objectMetadata" ADD "imageIdentifierFieldMetadataId" character varying`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "metadata"."objectMetadata" DROP COLUMN "imageIdentifierFieldMetadataId"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "metadata"."objectMetadata" DROP COLUMN "labelIdentifierFieldMetadataId"`,
+    );
+  }
+}

server/src/metadata/field-metadata/dtos/field-metadata.dto.ts

@@ -8,6 +8,7 @@ import {
 
 import {
   Authorize,
+  BeforeDeleteOne,
   FilterableField,
   IDField,
   QueryOptions,
@@ -16,6 +17,7 @@ import {
 
 import { RelationMetadataDTO } from 'src/metadata/relation-metadata/dtos/relation-metadata.dto';
 import { FieldMetadataType } from 'src/metadata/field-metadata/field-metadata.entity';
+import { BeforeDeleteOneField } from 'src/metadata/field-metadata/hooks/before-delete-one-field.hook';
 
 registerEnumType(FieldMetadataType, {
   name: 'FieldMetadataType',
@@ -33,6 +35,7 @@ registerEnumType(FieldMetadataType, {
   disableSort: true,
   maxResultsSize: 1000,
 })
+@BeforeDeleteOne(BeforeDeleteOneField)
 @Relation('toRelationMetadata', () => RelationMetadataDTO, {
   nullable: true,
 })

server/src/metadata/field-metadata/dtos/update-field.input.ts

@@ -1,8 +1,12 @@
 import { Field, InputType } from '@nestjs/graphql';
 
+import { BeforeUpdateOne } from '@ptc-org/nestjs-query-graphql';
 import { IsBoolean, IsOptional, IsString } from 'class-validator';
 
+import { BeforeUpdateOneField } from 'src/metadata/field-metadata/hooks/before-update-one-field.hook';
+
 @InputType()
+@BeforeUpdateOne(BeforeUpdateOneField)
 export class UpdateFieldInput {
   @IsString()
   @IsOptional()

server/src/metadata/field-metadata/field-metadata.service.ts

@@ -1,5 +1,4 @@
 import {
-  BadRequestException,
   ConflictException,
   Injectable,
   NotFoundException,
@@ -8,12 +7,10 @@ import { InjectRepository } from '@nestjs/typeorm';
 
 import { Repository } from 'typeorm';
 import { TypeOrmQueryService } from '@ptc-org/nestjs-query-typeorm';
-import { DeleteOneOptions } from '@ptc-org/nestjs-query-core';
 
 import { WorkspaceMigrationRunnerService } from 'src/workspace/workspace-migration-runner/workspace-migration-runner.service';
 import { WorkspaceMigrationService } from 'src/metadata/workspace-migration/workspace-migration.service';
 import { ObjectMetadataService } from 'src/metadata/object-metadata/object-metadata.service';
-import { FieldMetadataDTO } from 'src/metadata/field-metadata/dtos/field-metadata.dto';
 import { CreateFieldInput } from 'src/metadata/field-metadata/dtos/create-field.input';
 import { WorkspaceMigrationTableAction } from 'src/metadata/workspace-migration/workspace-migration.entity';
 import { generateTargetColumnMap } from 'src/metadata/field-metadata/utils/generate-target-column-map.util';
@@ -34,30 +31,6 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
     super(fieldMetadataRepository);
   }
 
-  override async deleteOne(
-    id: string,
-    opts?: DeleteOneOptions<FieldMetadataDTO> | undefined,
-  ): Promise<FieldMetadataEntity> {
-    const fieldMetadata = await this.fieldMetadataRepository.findOne({
-      where: { id },
-    });
-    if (!fieldMetadata) {
-      throw new NotFoundException('Field does not exist');
-    }
-
-    if (!fieldMetadata.isCustom) {
-      throw new BadRequestException("Standard fields can't be deleted");
-    }
-
-    if (fieldMetadata.isActive) {
-      throw new BadRequestException("Active fields can't be deleted");
-    }
-
-    // TODO: delete associated relation-metadata and field-metadata from the relation
-
-    return super.deleteOne(id, opts);
-  }
-
   override async createOne(
     record: CreateFieldInput,
   ): Promise<FieldMetadataEntity> {
@@ -108,6 +81,15 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
     return createdFieldMetadata;
   }
 
+  public async findOneWithinWorkspace(
+    fieldMetadataId: string,
+    workspaceId: string,
+  ) {
+    return this.fieldMetadataRepository.findOne({
+      where: { id: fieldMetadataId, workspaceId },
+    });
+  }
+
   public async deleteFieldsMetadata(workspaceId: string) {
     await this.fieldMetadataRepository.delete({ workspaceId });
   }

server/src/metadata/field-metadata/hooks/before-delete-one-field.hook.ts

@@ -0,0 +1,55 @@
+import {
+  BadRequestException,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+
+import {
+  BeforeDeleteOneHook,
+  DeleteOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+
+import { FieldMetadataType } from 'src/metadata/field-metadata/field-metadata.entity';
+import { FieldMetadataService } from 'src/metadata/field-metadata/field-metadata.service';
+
+@Injectable()
+export class BeforeDeleteOneField implements BeforeDeleteOneHook<any> {
+  constructor(readonly fieldMetadataService: FieldMetadataService) {}
+
+  async run(
+    instance: DeleteOneInputType,
+    context: any,
+  ): Promise<DeleteOneInputType> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    const fieldMetadata =
+      await this.fieldMetadataService.findOneWithinWorkspace(
+        instance.id.toString(),
+        workspaceId,
+      );
+
+    if (!fieldMetadata) {
+      throw new BadRequestException('Field does not exist');
+    }
+
+    if (!fieldMetadata.isCustom) {
+      throw new BadRequestException("Standard Fields can't be deleted");
+    }
+
+    if (fieldMetadata.isActive) {
+      throw new BadRequestException("Active fields can't be deleted");
+    }
+
+    if (fieldMetadata.type === FieldMetadataType.RELATION) {
+      throw new BadRequestException(
+        "Relation fields can't be deleted, you need to delete the RelationMetadata instead",
+      );
+    }
+
+    return instance;
+  }
+}

server/src/metadata/field-metadata/hooks/before-update-one-field.hook.ts

@@ -0,0 +1,57 @@
+import {
+  BadRequestException,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+
+import {
+  BeforeUpdateOneHook,
+  UpdateOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+
+import { UpdateFieldInput } from 'src/metadata/field-metadata/dtos/update-field.input';
+import { FieldMetadataService } from 'src/metadata/field-metadata/field-metadata.service';
+
+@Injectable()
+export class BeforeUpdateOneField<T extends UpdateFieldInput>
+  implements BeforeUpdateOneHook<T, any>
+{
+  constructor(readonly fieldMetadataService: FieldMetadataService) {}
+
+  // TODO: this logic could be moved to a policy guard
+  async run(
+    instance: UpdateOneInputType<T>,
+    context: any,
+  ): Promise<UpdateOneInputType<T>> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    const fieldMetadata =
+      await this.fieldMetadataService.findOneWithinWorkspace(
+        instance.id.toString(),
+        workspaceId,
+      );
+
+    if (!fieldMetadata) {
+      throw new BadRequestException('Field does not exist');
+    }
+
+    if (!fieldMetadata.isCustom) {
+      throw new BadRequestException("Standard Fields can't be updated");
+    }
+
+    this.checkIfFieldIsEditable(instance.update);
+
+    return instance;
+  }
+
+  // This is temporary until we properly use the MigrationRunner to update column names
+  private checkIfFieldIsEditable(update: UpdateFieldInput) {
+    if (update.name || update.label) {
+      throw new BadRequestException("Field's name and label can't be updated");
+    }
+  }
+}

server/src/metadata/object-metadata/dtos/object-metadata.dto.ts

@@ -2,6 +2,7 @@ import { ObjectType, ID, Field, HideField } from '@nestjs/graphql';
 
 import {
   Authorize,
+  BeforeDeleteOne,
   CursorConnection,
   FilterableField,
   IDField,
@@ -9,6 +10,7 @@ import {
 } from '@ptc-org/nestjs-query-graphql';
 
 import { FieldMetadataDTO } from 'src/metadata/field-metadata/dtos/field-metadata.dto';
+import { BeforeDeleteOneObject } from 'src/metadata/object-metadata/hooks/before-delete-one-object.hook';
 
 @ObjectType('object')
 @Authorize({
@@ -21,6 +23,7 @@ import { FieldMetadataDTO } from 'src/metadata/field-metadata/dtos/field-metadat
   disableSort: true,
   maxResultsSize: 1000,
 })
+@BeforeDeleteOne(BeforeDeleteOneObject)
 @CursorConnection('fields', () => FieldMetadataDTO)
 export class ObjectMetadataDTO {
   @IDField(() => ID)

server/src/metadata/object-metadata/dtos/update-object.input.ts

@@ -1,8 +1,12 @@
 import { Field, InputType } from '@nestjs/graphql';
 
-import { IsBoolean, IsOptional, IsString } from 'class-validator';
+import { BeforeUpdateOne } from '@ptc-org/nestjs-query-graphql';
+import { IsBoolean, IsOptional, IsString, IsUUID } from 'class-validator';
+
+import { BeforeUpdateOneObject } from 'src/metadata/object-metadata/hooks/before-update-one-object.hook';
 
 @InputType()
+@BeforeUpdateOne(BeforeUpdateOneObject)
 export class UpdateObjectInput {
   @IsString()
   @IsOptional()
@@ -38,4 +42,14 @@ export class UpdateObjectInput {
   @IsOptional()
   @Field({ nullable: true })
   isActive?: boolean;
+
+  @IsUUID()
+  @IsOptional()
+  @Field({ nullable: true })
+  labelIdentifierFieldMetadataId?: string;
+
+  @IsUUID()
+  @IsOptional()
+  @Field({ nullable: true })
+  imageIdentifierFieldMetadataId?: string;
 }

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

@@ -5,15 +5,12 @@ import {
   CreateOneInputType,
 } from '@ptc-org/nestjs-query-graphql';
 
-import { DataSourceService } from 'src/metadata/data-source/data-source.service';
 import { CreateObjectInput } from 'src/metadata/object-metadata/dtos/create-object.input';
 
 @Injectable()
 export class BeforeCreateOneObject<T extends CreateObjectInput>
   implements BeforeCreateOneHook<T, any>
 {
-  constructor(readonly dataSourceService: DataSourceService) {}
-
   async run(
     instance: CreateOneInputType<T>,
     context: any,
@@ -24,12 +21,6 @@ export class BeforeCreateOneObject<T extends CreateObjectInput>
       throw new UnauthorizedException();
     }
 
-    const lastDataSourceMetadata =
-      await this.dataSourceService.getLastDataSourceMetadataFromWorkspaceIdOrFail(
-        workspaceId,
-      );
-
-    instance.input.dataSourceId = lastDataSourceMetadata.id;
     instance.input.workspaceId = workspaceId;
     return instance;
   }

server/src/metadata/object-metadata/hooks/before-delete-one-object.hook.ts

@@ -0,0 +1,48 @@
+import {
+  BadRequestException,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+
+import {
+  BeforeDeleteOneHook,
+  DeleteOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+
+import { ObjectMetadataService } from 'src/metadata/object-metadata/object-metadata.service';
+
+@Injectable()
+export class BeforeDeleteOneObject implements BeforeDeleteOneHook<any> {
+  constructor(readonly objectMetadataService: ObjectMetadataService) {}
+
+  async run(
+    instance: DeleteOneInputType,
+    context: any,
+  ): Promise<DeleteOneInputType> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    const objectMetadata =
+      await this.objectMetadataService.findOneWithinWorkspace(
+        instance.id.toString(),
+        workspaceId,
+      );
+
+    if (!objectMetadata) {
+      throw new BadRequestException('Object does not exist');
+    }
+
+    if (!objectMetadata.isCustom) {
+      throw new BadRequestException("Standard Objects can't be deleted");
+    }
+
+    if (objectMetadata.isActive) {
+      throw new BadRequestException("Active objects can't be deleted");
+    }
+
+    return instance;
+  }
+}

server/src/metadata/object-metadata/hooks/before-update-one-object.hook.ts

@@ -0,0 +1,102 @@
+import {
+  BadRequestException,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+
+import {
+  BeforeUpdateOneHook,
+  UpdateOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+import { Equal, In, Repository } from 'typeorm';
+
+import { FieldMetadataEntity } from 'src/metadata/field-metadata/field-metadata.entity';
+import { UpdateObjectInput } from 'src/metadata/object-metadata/dtos/update-object.input';
+import { ObjectMetadataService } from 'src/metadata/object-metadata/object-metadata.service';
+
+@Injectable()
+export class BeforeUpdateOneObject<T extends UpdateObjectInput>
+  implements BeforeUpdateOneHook<T, any>
+{
+  constructor(
+    readonly objectMetadataService: ObjectMetadataService,
+    // TODO: Should not use the repository here
+    @InjectRepository(FieldMetadataEntity, 'metadata')
+    private readonly fieldMetadataRepository: Repository<FieldMetadataEntity>,
+  ) {}
+
+  // TODO: this logic could be moved to a policy guard
+  async run(
+    instance: UpdateOneInputType<T>,
+    context: any,
+  ): Promise<UpdateOneInputType<T>> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    const objectMetadata =
+      await this.objectMetadataService.findOneWithinWorkspace(
+        instance.id.toString(),
+        workspaceId,
+      );
+
+    if (!objectMetadata) {
+      throw new BadRequestException('Object does not exist');
+    }
+
+    if (!objectMetadata.isCustom) {
+      throw new BadRequestException("Standard Objects can't be updated");
+    }
+
+    if (
+      instance.update.labelIdentifierFieldMetadataId ||
+      instance.update.imageIdentifierFieldMetadataId
+    ) {
+      const fields = await this.fieldMetadataRepository.findBy({
+        workspaceId: Equal(workspaceId),
+        objectMetadataId: Equal(instance.id.toString()),
+        id: In(
+          [
+            instance.update.labelIdentifierFieldMetadataId,
+            instance.update.imageIdentifierFieldMetadataId,
+          ].filter((id) => id !== null),
+        ),
+      });
+
+      const fieldIds = fields.map((field) => field.id);
+
+      if (
+        instance.update.labelIdentifierFieldMetadataId &&
+        !fieldIds.includes(instance.update.labelIdentifierFieldMetadataId)
+      ) {
+        throw new BadRequestException('This label identifier does not exist');
+      }
+
+      if (
+        instance.update.imageIdentifierFieldMetadataId &&
+        !fieldIds.includes(instance.update.imageIdentifierFieldMetadataId)
+      ) {
+        throw new BadRequestException('This image identifier does not exist');
+      }
+    }
+
+    this.checkIfFieldIsEditable(instance.update);
+
+    return instance;
+  }
+
+  // This is temporary until we properly use the MigrationRunner to update column names
+  private checkIfFieldIsEditable(update: UpdateObjectInput) {
+    if (
+      update.nameSingular ||
+      update.namePlural ||
+      update.labelSingular ||
+      update.labelPlural
+    ) {
+      throw new BadRequestException("Object's name and label can't be updated");
+    }
+  }
+}

server/src/metadata/object-metadata/object-metadata.entity.ts

@@ -58,6 +58,12 @@ export class ObjectMetadataEntity implements ObjectMetadataInterface {
   @Column({ default: false })
   isSystem: boolean;
 
+  @Column({ nullable: true })
+  labelIdentifierFieldMetadataId?: string;
+
+  @Column({ nullable: true })
+  imageIdentifierFieldMetadataId?: string;
+
   @Column({ nullable: false })
   workspaceId: string;
 

server/src/metadata/object-metadata/object-metadata.module.ts

@@ -12,6 +12,7 @@ import { WorkspaceMigrationRunnerModule } from 'src/workspace/workspace-migratio
 import { WorkspaceMigrationModule } from 'src/metadata/workspace-migration/workspace-migration.module';
 import { JwtAuthGuard } from 'src/guards/jwt.auth.guard';
 import { TypeORMModule } from 'src/database/typeorm/typeorm.module';
+import { FieldMetadataEntity } from 'src/metadata/field-metadata/field-metadata.entity';
 
 import { ObjectMetadataService } from './object-metadata.service';
 import { ObjectMetadataEntity } from './object-metadata.entity';
@@ -25,7 +26,10 @@ import { ObjectMetadataDTO } from './dtos/object-metadata.dto';
     NestjsQueryGraphQLModule.forFeature({
       imports: [
         TypeORMModule,
-        NestjsQueryTypeOrmModule.forFeature([ObjectMetadataEntity], 'metadata'),
+        NestjsQueryTypeOrmModule.forFeature(
+          [ObjectMetadataEntity, FieldMetadataEntity],
+          'metadata',
+        ),
         DataSourceModule,
         WorkspaceMigrationModule,
         WorkspaceMigrationRunnerModule,

server/src/metadata/object-metadata/object-metadata.service.ts

@@ -1,8 +1,4 @@
-import {
+import { Injectable } from '@nestjs/common';
-  BadRequestException,
-  Injectable,
-  NotFoundException,
-} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 
 import { Equal, In, Repository } from 'typeorm';
@@ -37,31 +33,17 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
     super(objectMetadataRepository);
   }
 
-  override async deleteOne(id: string): Promise<ObjectMetadataEntity> {
-    const objectMetadata = await this.objectMetadataRepository.findOne({
-      where: { id },
-    });
-
-    if (!objectMetadata) {
-      throw new NotFoundException('Object does not exist');
-    }
-
-    if (!objectMetadata.isCustom) {
-      throw new BadRequestException("Standard Objects can't be deleted");
-    }
-
-    if (objectMetadata.isActive) {
-      throw new BadRequestException("Active objects can't be deleted");
-    }
-
-    return super.deleteOne(id);
-  }
-
   override async createOne(
     record: CreateObjectInput,
   ): Promise<ObjectMetadataEntity> {
+    const lastDataSourceMetadata =
+      await this.dataSourceService.getLastDataSourceMetadataFromWorkspaceIdOrFail(
+        record.workspaceId,
+      );
+
     const createdObjectMetadata = await super.createOne({
       ...record,
+      dataSourceId: lastDataSourceMetadata.id,
       targetTableName: `_${record.nameSingular}`,
       isActive: true,
       isCustom: true,
@@ -208,23 +190,6 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
     });
   }
 
-  public async getObjectMetadataFromDataSourceId(dataSourceId: string) {
-    return this.objectMetadataRepository.find({
-      where: { dataSourceId },
-      relations: [
-        'fields',
-        'fields.fromRelationMetadata',
-        'fields.fromRelationMetadata.fromObjectMetadata',
-        'fields.fromRelationMetadata.toObjectMetadata',
-        'fields.fromRelationMetadata.toObjectMetadata.fields',
-        'fields.toRelationMetadata',
-        'fields.toRelationMetadata.fromObjectMetadata',
-        'fields.toRelationMetadata.fromObjectMetadata.fields',
-        'fields.toRelationMetadata.toObjectMetadata',
-      ],
-    });
-  }
-
   public async findOneWithinWorkspace(
     objectMetadataId: string,
     workspaceId: string,

server/src/metadata/relation-metadata/dtos/relation-metadata.dto.ts

@@ -9,6 +9,7 @@ import {
 import { CreateDateColumn, UpdateDateColumn } from 'typeorm';
 import {
   Authorize,
+  BeforeDeleteOne,
   IDField,
   QueryOptions,
   Relation,
@@ -16,6 +17,7 @@ import {
 
 import { ObjectMetadataDTO } from 'src/metadata/object-metadata/dtos/object-metadata.dto';
 import { RelationMetadataType } from 'src/metadata/relation-metadata/relation-metadata.entity';
+import { BeforeDeleteOneRelation } from 'src/metadata/relation-metadata/hooks/before-delete-one-field.hook';
 
 registerEnumType(RelationMetadataType, {
   name: 'RelationMetadataType',
@@ -34,6 +36,7 @@ registerEnumType(RelationMetadataType, {
   disableSort: true,
   maxResultsSize: 1000,
 })
+@BeforeDeleteOne(BeforeDeleteOneRelation)
 @Relation('fromObjectMetadata', () => ObjectMetadataDTO)
 @Relation('toObjectMetadata', () => ObjectMetadataDTO)
 export class RelationMetadataDTO {

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

@@ -0,0 +1,54 @@
+import {
+  BadRequestException,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+
+import {
+  BeforeDeleteOneHook,
+  DeleteOneInputType,
+} from '@ptc-org/nestjs-query-graphql';
+
+import { RelationMetadataService } from 'src/metadata/relation-metadata/relation-metadata.service';
+
+@Injectable()
+export class BeforeDeleteOneRelation implements BeforeDeleteOneHook<any> {
+  constructor(readonly relationMetadataService: RelationMetadataService) {}
+
+  async run(
+    instance: DeleteOneInputType,
+    context: any,
+  ): Promise<DeleteOneInputType> {
+    const workspaceId = context?.req?.user?.workspace?.id;
+
+    if (!workspaceId) {
+      throw new UnauthorizedException();
+    }
+
+    const relationMetadata =
+      await this.relationMetadataService.findOneWithinWorkspace(
+        instance.id.toString(),
+        workspaceId,
+      );
+
+    if (!relationMetadata) {
+      throw new BadRequestException('Relation does not exist');
+    }
+
+    if (
+      !relationMetadata.toFieldMetadata.isCustom ||
+      !relationMetadata.fromFieldMetadata.isCustom
+    ) {
+      throw new BadRequestException("Standard Relations can't be deleted");
+    }
+
+    if (
+      relationMetadata.toFieldMetadata.isActive ||
+      relationMetadata.fromFieldMetadata.isActive
+    ) {
+      throw new BadRequestException("Active relations can't be deleted");
+    }
+
+    return instance;
+  }
+}

server/src/metadata/relation-metadata/relation-metadata.service.ts

@@ -36,6 +36,7 @@ export class RelationMetadataService extends TypeOrmQueryService<RelationMetadat
   }
 
   override async deleteOne(id: string): Promise<RelationMetadataEntity> {
+    // TODO: This logic is duplicated with the BeforeDeleteOneRelation hook
     const relationMetadata = await this.relationMetadataRepository.findOne({
       where: { id },
       relations: ['fromFieldMetadata', 'toFieldMetadata'],
@@ -45,22 +46,9 @@ export class RelationMetadataService extends TypeOrmQueryService<RelationMetadat
       throw new NotFoundException('Relation does not exist');
     }
 
-    if (
-      !relationMetadata.toFieldMetadata.isCustom ||
-      !relationMetadata.fromFieldMetadata.isCustom
-    ) {
-      throw new BadRequestException("Standard Relations can't be deleted");
-    }
-
-    if (
-      relationMetadata.toFieldMetadata.isActive ||
-      relationMetadata.fromFieldMetadata.isActive
-    ) {
-      throw new BadRequestException("Active relations can't be deleted");
-    }
-
     const deletedRelationMetadata = super.deleteOne(id);
 
+    // TODO: Move to a cdc scheduler
     this.fieldMetadataService.deleteMany({
       id: {
         in: [
@@ -213,4 +201,14 @@ export class RelationMetadataService extends TypeOrmQueryService<RelationMetadat
 
     return createdRelationMetadata;
   }
+
+  public async findOneWithinWorkspace(
+    relationMetadataId: string,
+    workspaceId: string,
+  ) {
+    return this.relationMetadataRepository.findOne({
+      where: { id: relationMetadataId, workspaceId },
+      relations: ['fromFieldMetadata', 'toFieldMetadata'],
+    });
+  }
 }