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/relation-metadata.module.ts

@@ -0,0 +1,33 @@
+import { Module } from '@nestjs/common';
+
+import { NestjsQueryGraphQLModule } from '@ptc-org/nestjs-query-graphql';
+import { NestjsQueryTypeOrmModule } from '@ptc-org/nestjs-query-typeorm';
+
+import { FieldMetadataModule } from 'src/metadata/field-metadata/field-metadata.module';
+import { ObjectMetadataModule } from 'src/metadata/object-metadata/object-metadata.module';
+import { MigrationRunnerModule } from 'src/metadata/migration-runner/migration-runner.module';
+import { TenantMigrationModule } from 'src/metadata/tenant-migration/tenant-migration.module';
+
+import { RelationMetadata } from './relation-metadata.entity';
+import { relationMetadataAutoResolverOpts } from './relation-metadata.auto-resolver-opts';
+
+import { RelationMetadataService } from './services/relation-metadata.service';
+
+@Module({
+  imports: [
+    NestjsQueryGraphQLModule.forFeature({
+      imports: [
+        NestjsQueryTypeOrmModule.forFeature([RelationMetadata], 'metadata'),
+        ObjectMetadataModule,
+        FieldMetadataModule,
+        MigrationRunnerModule,
+        TenantMigrationModule,
+      ],
+      services: [RelationMetadataService],
+      resolvers: relationMetadataAutoResolverOpts,
+    }),
+  ],
+  providers: [RelationMetadataService],
+  exports: [RelationMetadataService],
+})
+export class RelationMetadataModule {}