Setup Database

.gitignore

@@ -1,8 +1,6 @@
-node_modules/
 dist/
 **/**/*.log
 env/*.env
-src/migration/*.ts
 
 # Logs
 logs

env/development.env.example

@@ -3,4 +3,4 @@ DB_HOST=''
 DB_PORT=''
 DB_USERNAME=''
 DB_PASSWORD=''
-DB_DATABASE=''
+DB_DATABASE=''

eslint.config.mjs

@@ -32,7 +32,7 @@ export default tseslint.config(
   { files: ['**/*.ts'] },
   {
     rules: {
-      '@typescript-eslint/explicit-member-accessibility': 'warn',
+      '@typescript-eslint/explicit-member-accessibility': 'off',
       '@typescript-eslint/no-misused-promises': 0,
       '@typescript-eslint/no-floating-promises': 0,
       '@typescript-eslint/no-confusing-void-expression': 0,

package.json

@@ -9,7 +9,11 @@
     "lint:tests": "npx eslint ./spec",
     "start": "NODE_ENV=development node -r ./preload.js ./dist",
     "test": "NODE_ENV=test npx ts-node ./spec",
-    "test:hot": "nodemon --exec \"npm run test\" --watch ./src --watch ./spec -e ts"
+    "test:hot": "nodemon --exec \"npm run test\" --watch ./src --watch ./spec -e ts",
+    "add:migration": "npm run typeorm -- -d ./src/repos/db.ts migration:generate ./src/migration/$npm_config_name",
+    "revert:migration": "npm run typeorm migration:revert -- -d ./src/repos/db.ts",
+    "apply:migration": "npm run typeorm migration:run -- -d ./src/repos/db.ts",
+    "typeorm": "ts-node --transpile-only -r tsconfig-paths/register ./node_modules/typeorm/cli.js"
   },
   "engines": {
     "node": ">=16.0.0"

src/entity/Comment.ts

@@ -0,0 +1,38 @@
+import { Entity,
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  JoinColumn, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+} from 'typeorm';
+import { Review } from './Review';
+
+@Entity('comments')
+export class Comment {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => Review)
+    @JoinColumn({ name: 'review_id' })
+      review!: Review;
+
+    @Column({ type: 'bigint' })
+      parent_id!: number;
+
+    @Column('text')
+      comment_text!: string;
+
+    @Column({ type: 'bigint' })
+      review_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(commentData?: Partial<Comment>) {
+      commentData && Object.assign(this, commentData);
+    }
+}

src/entity/Component.ts

@@ -0,0 +1,38 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { Lesson } from './Lesson';
+
+@Entity('components')
+export class Component {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => Lesson)
+    @JoinColumn({ name: 'lesson_id' })
+      lesson!: Lesson;
+
+    @Column({
+      type: 'enum',
+      enum: ['video', 'url', 'pdf', 'text'],
+    })
+      type!: string;
+
+    @Column('text')
+      content!: string;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(componentData?: Partial<Component>) {
+      componentData && Object.assign(this, componentData);
+    }
+}

src/entity/Course.ts

@@ -0,0 +1,44 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { User } from './User';
+
+@Entity('courses')
+export class Course {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => User)
+    @JoinColumn({ name: 'professor_id' })
+      professor!: User;
+
+    @Column()
+      name!: string;
+
+    @Column('double')
+      price!: number;
+
+    @Column('text')
+      description!: string;
+
+    @Column('float')
+      average_rating!: number;
+
+    @Column({ type: 'bigint' })
+      professor_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(courseData?: Partial<Course>) {
+      courseData && Object.assign(this, courseData);
+    }
+}

src/entity/Enrollment.ts

@@ -0,0 +1,49 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { User } from './User';
+import { Course } from './Course';
+
+@Entity('enrollments')
+export class Enrollment {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => User)
+    @JoinColumn({ name: 'user_id' })
+      user!: User;
+
+    @ManyToOne(() => Course)
+    @JoinColumn({ name: 'course_id' })
+      course!: Course;
+
+    @Column({ type: 'datetime' })
+      enrollment_date!: Date;
+
+    @Column('integer')
+      progress!: number;
+
+    @Column({ type: 'datetime' })
+      completion_date!: Date;
+
+    @Column({ type: 'bigint' })
+      user_id!: number;
+
+    @Column({ type: 'bigint' })
+      course_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(enrollmentData?: Partial<Enrollment>) {
+      enrollmentData && Object.assign(this, enrollmentData);
+    }
+}

src/entity/EnrollmentLesson.ts

@@ -0,0 +1,46 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { Enrollment } from './Enrollment';
+import { Lesson } from './Lesson';
+
+@Entity('enrollments_lessons')
+export class EnrollmentLesson {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => Enrollment)
+    @JoinColumn({ name: 'enrollment_id' })
+      enrollment!: Enrollment;
+
+    @ManyToOne(() => Lesson)
+    @JoinColumn({ name: 'lesson_id' })
+      lesson!: Lesson;
+
+    @Column('integer')
+      progress!: number;
+
+    @Column({ type: 'datetime' })
+      completion_date!: Date;
+
+    @Column({ type: 'bigint' })
+      enrollment_id!: number;
+
+    @Column({ type: 'bigint' })
+      lesson_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(enrollmentLessonData?: Partial<EnrollmentLesson>) {
+      enrollmentLessonData && Object.assign(this, enrollmentLessonData);
+    }
+}

src/entity/Lesson.ts

@@ -0,0 +1,41 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { Section } from './Section';
+
+@Entity('lessons')
+export class Lesson {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => Section)
+    @JoinColumn({ name: 'section_id' })
+      section!: Section;
+
+    @Column()
+      name!: string;
+
+    @Column('text')
+      description!: string;
+
+    @Column('integer')
+      time!: number;
+
+    @Column({ type: 'bigint' })
+      section_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(lessonData?: Partial<Lesson>) {
+      lessonData && Object.assign(this, lessonData);
+    }
+}

src/entity/Payment.ts

@@ -0,0 +1,52 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { User } from './User';
+import { Course } from './Course';
+
+@Entity('payments')
+export class Payment {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => User)
+    @JoinColumn({ name: 'user_id' })
+      user!: User;
+
+    @ManyToOne(() => Course)
+    @JoinColumn({ name: 'course_id' })
+      course!: Course;
+
+    @Column('double')
+      amount!: number;
+
+    @Column({ type: 'date' })
+      payment_date!: Date;
+
+    @Column({
+      type: 'enum',
+      enum: ['pending', 'done'],
+    })
+      status!: string;
+
+    @Column({ type: 'bigint' })
+      user_id!: number;
+
+    @Column({ type: 'bigint' })
+      course_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(paymentData?: Partial<Payment>) {
+      paymentData && Object.assign(this, paymentData);
+    }
+}

src/entity/Review.ts

@@ -0,0 +1,43 @@
+import { Entity, 
+  Column, 
+  PrimaryGeneratedColumn, 
+  ManyToOne, 
+  CreateDateColumn, 
+  UpdateDateColumn, 
+  JoinColumn 
+} from 'typeorm';
+import { User } from './User';
+import { Course } from './Course';
+
+@Entity('reviews')
+export class Review {
+    @PrimaryGeneratedColumn('increment', { type: 'bigint' })
+      id!: number;
+
+    @ManyToOne(() => User)
+    @JoinColumn({ name: 'user_id' })
+      user!: User;
+
+    @ManyToOne(() => Course)
+    @JoinColumn({ name: 'course_id' })
+      course!: Course;
+
+    @Column('integer')
+      rating!: number;
+
+    @Column({ type: 'bigint' })
+      user_id!: number;
+
+    @Column({ type: 'bigint' })
+      course_id!: number;
+
+    @CreateDateColumn({ type: 'datetime' })
+      created_at!: Date;
+
+    @UpdateDateColumn({ type: 'datetime' })
+      updated_at!: Date;
+
+    constructor(reviewData?: Partial<Review>) {
+      reviewData && Object.assign(this, reviewData);
+    }
+}