Migration for delete cascade

migrations/1570719082786-default.ts

@@ -0,0 +1,19 @@
+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class default1570719082786 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.query(`ALTER TABLE "event_information" DROP CONSTRAINT "FK_863d4c38d8fd413a088f4d74013"`);
+        await queryRunner.query(`ALTER TABLE "event_occurrence" DROP CONSTRAINT "FK_88f92a74a42d782cb5caa3993f5"`);
+        await queryRunner.query(`ALTER TABLE "event_information" ADD CONSTRAINT "FK_863d4c38d8fd413a088f4d74013" FOREIGN KEY ("eventId") REFERENCES "event"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "event_occurrence" ADD CONSTRAINT "FK_88f92a74a42d782cb5caa3993f5" FOREIGN KEY ("eventId") REFERENCES "event"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        await queryRunner.query(`ALTER TABLE "event_occurrence" DROP CONSTRAINT "FK_88f92a74a42d782cb5caa3993f5"`);
+        await queryRunner.query(`ALTER TABLE "event_information" DROP CONSTRAINT "FK_863d4c38d8fd413a088f4d74013"`);
+        await queryRunner.query(`ALTER TABLE "event_occurrence" ADD CONSTRAINT "FK_88f92a74a42d782cb5caa3993f5" FOREIGN KEY ("eventId") REFERENCES "event"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "event_information" ADD CONSTRAINT "FK_863d4c38d8fd413a088f4d74013" FOREIGN KEY ("eventId") REFERENCES "event"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`);
+    }
+
+}

src/Calendar/Event.entity.ts

@@ -138,7 +138,9 @@ export class EventInformation {
   title: string
   @Column({nullable: true})
   description: string
-  @ManyToOne(type => Event, event => event.infos)
+  @ManyToOne(type => Event, event => event.infos, {
+    onDelete: "CASCADE"
+  })
   event: Event
 }
 
@@ -147,7 +149,10 @@ export class EventOccurrence extends BaseEntity {
   @PrimaryGeneratedColumn("uuid")
   id: number
 
-  @ManyToOne(type => Event, event => event.occurrences, { nullable: false })
+  @ManyToOne(type => Event, event => event.occurrences, {
+    nullable: false,
+    onDelete: "CASCADE"
+  })
   event: Promise<Event>
 
   @Column({type: "tstzrange", nullable: true})

src/Events/eventsResolvers.ts

@@ -156,11 +156,9 @@ const resolvers: ResolverMap = {
         throw Error("Only the owner can delete this event")
       }
 
-      const deleteResult = await Event.delete(id)
-      if (deleteResult.affected !== 1) {
-        throw new Error(`Error deleting event. Row affected: ${deleteResult.affected}`)
-      }
-
+      console.log('will try to remove event now', event.id)
+      const removeEventResult = await Event.remove(event)
+      console.log('removeEventResult', JSON.stringify(removeEventResult))
       return context.user
     }
   }

src/ormconfig.ts

@@ -1,20 +1,20 @@
-import {PostgresConnectionOptions} from "typeorm/driver/postgres/PostgresConnectionOptions"
+import { PostgresConnectionOptions } from "typeorm/driver/postgres/PostgresConnectionOptions";
 
 const config: PostgresConnectionOptions = {
-  type: 'postgres',
-  host: process.env.POSTGRES_HOST || 'localhost',
+  type: "postgres",
+  host: process.env.POSTGRES_HOST || "localhost",
   port: Number(process.env.POSTGRES_PORT || 5432),
-  database: process.env.POSTGRES_DB || 'qpa-dev',
+  database: process.env.POSTGRES_DB || "qpa-dev",
   username: process.env.DB_USER || null,
   password: process.env.DB_PASSWORD || null,
   entities: ["**/*.entity.ts", "**/*.entity.js"],
-  migrations: ["migrations/*.js"],
+  migrations: ["migrations/*.js", "migrations/*.ts"],
   logging: true,
-  synchronize: process.env.NODE_ENV === 'development',
-  logger: 'debug',
+  synchronize: !!process.env.TYPEORM_SYNCHRONIZE,
+  logger: "debug",
   cli: {
     migrationsDir: "migrations"
   }
-}
+};
 
-export = config
+export = config;