> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aiparlance.org/llms.txt
> Use this file to discover all available pages before exploring further.

# CRUD do blog

> CRUD completo de blog — entities, policies, API, seed, workflow

# CRUD do blog

[`examples/blog-crud.aip`](https://github.com/eudameron/aiparlance/blob/main/examples/blog-crud.aip) — Author / Post / Comment com validation, policies, índices, API `/v1`, seed e workflow leve.

**Tiers:** Core + Infra + Security + Behavior (leve).\
**Tutorial:** [Passo a passo CRUD](/pt/crud-walkthrough).

```bash theme={null}
node packages/cli/dist/cli.js validate examples/blog-crud.aip
node packages/cli/dist/cli.js emit sql examples/blog-crud.aip
node packages/cli/dist/cli.js emit openapi examples/blog-crud.aip
node packages/cli/dist/cli.js emit tests examples/blog-crud.aip
```

```aip theme={null}
// AI Parlance — complete blog CRUD (Core + Infra + Security + light Behavior)
// Walkthrough: docs/en/crud-walkthrough.mdx

app Blog @0.1 {
  database postgres
  auth jwt
}

entity Author {
  timestamps
  soft_delete
  name: string required
  email: email required unique
  role: enum(admin, editor, writer) default(writer)
}

entity Post {
  timestamps
  soft_delete
  title: string required
  slug: string required unique
  body: text required
  status: enum(draft, published, archived) default(draft)
  author: belongs_to Author
}

entity Comment {
  timestamps
  body: text required
  post: belongs_to Post
  author: belongs_to Author optional
}

crud Author
crud Post
crud Comment

validation Post {
  title required
  slug required unique
  body required
}

policy Post {
  create authenticated
  read public
  update owner_or_manager(Post.author)
  delete role(admin)
}

policy Comment {
  create authenticated
  read public
  update owner_or_manager(Comment.author)
  delete role(admin)
}

index Post {
  status
  slug
}

index Comment {
  post
}

api {
  prefix "/v1"
  format json
  rate_limit 120/minute
  cors {
    allow "https://blog.example.com"
  }
}

seed Author {
  name: "Site Admin"
  email: "admin@blog.example.com"
  role: admin
}

workflow PostPublished {
  when Post.updated

  notify(Post.author, "Post status may have changed")
  emit PostStatusChanged {
    post: Post
    author: Post.author
  }
}

event PostStatusChanged {
  post: Post
  author: Author
}
```

Ver todos: [Exemplos](/pt/examples).