basic structure setup

backend/src/modules/entities.ts

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+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm';
+
+export enum ArticleStatus {
+  DRAFT = 'draft',
+  PUBLISHED = 'published',
+  ARCHIVED = 'archived',
+}
+
+@Entity('authors')
+export class Author {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  name: string;
+
+  @Column({ unique: true })
+  slug: string;
+
+  @Column({ nullable: true })
+  bio: string;
+
+  @Column({ nullable: true })
+  avatar: string;
+
+  @Column({ default: false })
+  isActive: boolean;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}
+
+@Entity('categories')
+export class Category {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  name: string;
+
+  @Column({ unique: true })
+  slug: string;
+
+  @Column({ nullable: true })
+  description: string;
+
+  @Column({ nullable: true })
+  parentId: string;
+
+  @Column({ default: 0 })
+  order: number;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+
+  @ManyToOne(() => Category, { onDelete: 'SET NULL' })
+  @JoinColumn({ name: 'parentId' })
+  parent: Category;
+}
+
+@Entity('articles')
+export class Article {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  title: string;
+
+  @Column('text')
+  content: string;
+
+  @Column({ type: 'text', nullable: true })
+  excerpt: string;
+
+  @Column({ default: '' })
+  slug: string;
+
+  @Column({ default: '' })
+  featuredImage: string;
+
+  @Column({ type: 'text', default: '[]' })
+  tags: string[];
+
+  @Column({
+    type: 'text',
+    default: 'draft',
+  })
+  status: ArticleStatus;
+
+  @Column({ default: 0 })
+  views: number;
+
+  @Column({ nullable: true })
+  strapiId: string;
+
+  @Column({ nullable: true })
+  authorId: string;
+
+  @Column({ nullable: true })
+  categoryId: string;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+
+  @ManyToOne(() => Author, { onDelete: 'SET NULL' })
+  @JoinColumn({ name: 'authorId' })
+  author: Author;
+
+  @ManyToOne(() => Category, { onDelete: 'SET NULL' })
+  @JoinColumn({ name: 'categoryId' })
+  category: Category;
+}