Typescript Bootcamp

Author: jhades

rest-api/src/models/course.ts

@@ -1,5 +1,8 @@
-import {Column, CreateDateColumn, Entity,
-    PrimaryGeneratedColumn, UpdateDateColumn} from "typeorm";
+import {
+    Column, CreateDateColumn, Entity, OneToMany,
+    PrimaryGeneratedColumn, UpdateDateColumn
+} from "typeorm";
+import {Lesson} from "./lesson";
 
 @Entity({
     name: "COURSES"
@@ -24,6 +27,9 @@ export class Course {
     @Column()
     category: string;
 
+    @OneToMany(() => Lesson, lesson => lesson.course)
+    lessons: Lesson[];
+
     @CreateDateColumn()
     createdAt: Date;
 

rest-api/src/models/lesson.ts

@@ -0,0 +1,29 @@
+import {Column, CreateDateColumn, Entity, ManyToOne, PrimaryGeneratedColumn, UpdateDateColumn} from "typeorm";
+import { Course } from "./course";
+
+@Entity({
+    name: "LESSONS"
+})
+export class Lesson {
+
+    @PrimaryGeneratedColumn()
+    id:number;
+
+    @Column()
+    title:string;
+
+    @Column()
+    duration:string;
+
+    @Column()
+    seqNo: number;
+
+    @ManyToOne(() => Course, course => course.lessons)
+    course: Course;
+
+    @CreateDateColumn()
+    createdAt: Date;
+
+    @UpdateDateColumn()
+    lastUpdatedAt: Date;
+}