feat: add relation

Signed-off-by: Anshuman Chhapolia <[email protected]>

package.json

@@ -39,7 +39,7 @@
     }
   },
   "dependencies": {
-    "@smoke-trees/postgres-backend": "^2.3.1",
+    "@smoke-trees/postgres-backend": "^2.3.3",
     "@smoke-trees/smoke-context": "^1.4.8",
     "chai-http": "^4.4.0",
     "compression": "^1.7.4",

src/app/address/Address.controller.ts

@@ -3,22 +3,14 @@ import {
   Controller,
   ServiceController,
 } from "@smoke-trees/postgres-backend";
-import { Address } from "./Address.entity";
 import { RequestHandler } from "express";
-import { ParamsDictionary } from "express-serve-static-core";
-import { ParsedQs } from "qs";
+import { Address } from "./Address.entity";
 import { AddressService } from "./Address.service";
 
 export class AddressController extends ServiceController<Address> {
   path: string = "/address";
   protected controllers: Controller[] = [];
-  protected mw: RequestHandler<
-    ParamsDictionary,
-    any,
-    any,
-    ParsedQs,
-    Record<string, any>
-  >[] = [];
+  protected mw: RequestHandler[] = [];
 
   service: AddressService;
 

src/app/address/Address.entity.ts

@@ -1,5 +1,20 @@
 import { BaseEntity, Documentation } from "@smoke-trees/postgres-backend";
-import { Column, Entity, PrimaryGeneratedColumn } from "typeorm";
+import {
+  Column,
+  Entity,
+  JoinColumn,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+} from "typeorm";
+import { User } from "../users";
+
+export interface IAddress {
+  userId: number;
+  line1: string;
+  line2: string;
+  city: string;
+  state: string;
+}
 
 @Entity({ name: "address_demo" })
 @Documentation.addSchema({ type: "object" })
@@ -8,6 +23,10 @@ export class Address extends BaseEntity {
   @Documentation.addField({ type: "number" })
   id!: number;
 
+  @Column({ name: "user_id", type: "int", nullable: true })
+  @Documentation.addField({ type: "number" })
+  userId!: number;
+
   @Column({ name: "line1", type: "varchar" })
   @Documentation.addField({ type: "string" })
   line1!: string;
@@ -23,4 +42,20 @@ export class Address extends BaseEntity {
   @Column({ name: "state", type: "varchar" })
   @Documentation.addField({ type: "string" })
   state!: string;
+
+  @ManyToOne(() => User, { eager: false, onDelete: "CASCADE" })
+  @JoinColumn({ name: "user_id" })
+  user?: User;
+
+  constructor(address?: IAddress) {
+    super(address);
+
+    if (address) {
+      this.userId = address.userId;
+      this.line1 = address.line1;
+      this.line2 = address.line2;
+      this.city = address.city;
+      this.state = address.state;
+    }
+  }
 }

src/app/address/Address.service.ts

@@ -1,6 +1,7 @@
-import { Service } from "@smoke-trees/postgres-backend";
+import { Result, Service, WithCount } from "@smoke-trees/postgres-backend";
 import { Address } from "./Address.entity";
 import { AddressDao } from "./Address.dao";
+import { QueryOption } from "@smoke-trees/postgres-backend/dist/core/Dao";
 
 export class AddressService extends Service<Address> {
   dao: AddressDao;
@@ -9,4 +10,18 @@ export class AddressService extends Service<Address> {
     super(dao);
     this.dao = dao;
   }
+
+  readMany(
+    options: QueryOption<Address> = {}
+  ): Promise<WithCount<Result<Address[]>>> {
+    console.log(options);
+    options = {
+      ...options,
+      dbOptions: {
+        ...options.dbOptions,
+        relations: ["user"],
+      },
+    };
+    return super.readMany(options);
+  }
 }

src/app/users/baseUserEntity.ts

@@ -3,7 +3,7 @@ import {
   Documentation,
   Validator,
 } from "@smoke-trees/postgres-backend";
-import { Column, Entity, PrimaryGeneratedColumn } from "typeorm";
+import { Column } from "typeorm";
 import { IUser } from "./IUser";
 
 // @Entity({ name: 'user_test_table' })