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/field-metadata/field-metadata.entity.ts

@@ -6,6 +6,7 @@ import {
   Entity,
   JoinColumn,
   ManyToOne,
+  OneToOne,
   PrimaryGeneratedColumn,
   Unique,
   UpdateDateColumn,
@@ -15,11 +16,13 @@ import {
   BeforeCreateOne,
   IDField,
   QueryOptions,
+  Relation,
 } from '@ptc-org/nestjs-query-graphql';
 
 import { FieldMetadataInterface } from 'src/tenant/schema-builder/interfaces/field-metadata.interface';
 
 import { ObjectMetadata } from 'src/metadata/object-metadata/object-metadata.entity';
+import { RelationMetadata } from 'src/metadata/relation-metadata/relation-metadata.entity';
 
 import { BeforeCreateOneField } from './hooks/before-create-one-field.hook';
 import { FieldMetadataTargetColumnMap } from './interfaces/field-metadata-target-column-map.interface';
@@ -35,6 +38,7 @@ export enum FieldMetadataType {
   ENUM = 'ENUM',
   URL = 'URL',
   MONEY = 'MONEY',
+  RELATION = 'RELATION',
 }
 
 registerEnumType(FieldMetadataType, {
@@ -61,6 +65,8 @@ registerEnumType(FieldMetadataType, {
   'objectId',
   'workspaceId',
 ])
+@Relation('toRelationMetadata', () => RelationMetadata, { nullable: true })
+@Relation('fromRelationMetadata', () => RelationMetadata, { nullable: true })
 export class FieldMetadata implements FieldMetadataInterface {
   @IDField(() => ID)
   @PrimaryGeneratedColumn('uuid')
@@ -119,6 +125,12 @@ export class FieldMetadata implements FieldMetadataInterface {
   @JoinColumn({ name: 'object_id' })
   object: ObjectMetadata;
 
+  @OneToOne(() => RelationMetadata, (relation) => relation.fromFieldMetadata)
+  fromRelationMetadata: RelationMetadata;
+
+  @OneToOne(() => RelationMetadata, (relation) => relation.toFieldMetadata)
+  toRelationMetadata: RelationMetadata;
+
   @Field()
   @CreateDateColumn({ name: 'created_at' })
   createdAt: Date;

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

@@ -53,6 +53,8 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadata> {
       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);
   }
 

server/src/metadata/field-metadata/utils/field-metadata.util.ts

@@ -7,7 +7,10 @@ import {
   FieldMetadata,
   FieldMetadataType,
 } from 'src/metadata/field-metadata/field-metadata.entity';
-import { TenantMigrationColumnAction } from 'src/metadata/tenant-migration/tenant-migration.entity';
+import {
+  TenantMigrationColumnAction,
+  TenantMigrationColumnActionType,
+} from 'src/metadata/tenant-migration/tenant-migration.entity';
 
 /**
  * Generate a column name from a field name removing unsupported characters.
@@ -61,68 +64,68 @@ export function convertFieldMetadataToColumnActions(
     case FieldMetadataType.TEXT:
       return [
         {
-          name: fieldMetadata.targetColumnMap.value,
-          action: 'create',
-          type: 'text',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.value,
+          columnType: 'text',
         },
       ];
     case FieldMetadataType.PHONE:
     case FieldMetadataType.EMAIL:
       return [
         {
-          name: fieldMetadata.targetColumnMap.value,
-          action: 'create',
-          type: 'varchar',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.value,
+          columnType: 'varchar',
         },
       ];
     case FieldMetadataType.NUMBER:
       return [
         {
-          name: fieldMetadata.targetColumnMap.value,
-          action: 'create',
-          type: 'integer',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.value,
+          columnType: 'integer',
         },
       ];
     case FieldMetadataType.BOOLEAN:
       return [
         {
-          name: fieldMetadata.targetColumnMap.value,
-          action: 'create',
-          type: 'boolean',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.value,
+          columnType: 'boolean',
         },
       ];
     case FieldMetadataType.DATE:
       return [
         {
-          name: fieldMetadata.targetColumnMap.value,
-          action: 'create',
-          type: 'timestamp',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.value,
+          columnType: 'timestamp',
         },
       ];
     case FieldMetadataType.URL:
       return [
         {
-          name: fieldMetadata.targetColumnMap.text,
-          action: 'create',
-          type: 'varchar',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.text,
+          columnType: 'varchar',
         },
         {
-          name: fieldMetadata.targetColumnMap.link,
-          action: 'create',
-          type: 'varchar',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.link,
+          columnType: 'varchar',
         },
       ];
     case FieldMetadataType.MONEY:
       return [
         {
-          name: fieldMetadata.targetColumnMap.amount,
-          action: 'create',
-          type: 'integer',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.amount,
+          columnType: 'integer',
         },
         {
-          name: fieldMetadata.targetColumnMap.currency,
-          action: 'create',
-          type: 'varchar',
+          action: TenantMigrationColumnActionType.CREATE,
+          columnName: fieldMetadata.targetColumnMap.currency,
+          columnType: 'varchar',
         },
       ];
     default: