@startuml UML Class Diagram

class User {
    +id: Integer (primary key)
    +name: String
    +email: String (encrypted)
    +password: String (hashed)
    +posts: Relationship<Post>
    --
    +create_user(db, user)
    +get_users(db)
    +get_user(db, user_id)
    +update_user(db, user_id, user_update)
    +delete_user(db, user_id)
}

class Post {
    +id: Integer (primary key)
    +title: String
    +content: String
    +user_id: Integer (foreign key)
    +owner: Relationship<User>
    --
    +create_post(db, post)
    +get_posts(db)
    +get_post(db, post_id)
    +update_post(db, post_id, post_update)
}

class UserCreate {
    +name: String
    +email: String
    +password: String
}

class UserResponse {
    +id: Integer
    +name: String
    +email: String
}

class PostCreate {
    +title: String
    +content: String
    +user_id: Integer
}

class PostResponse {
    +id: Integer
    +title: String
    +content: String
    +user_id: Integer
}

User ||--o{ Post : "has many"

@enduml