feat: postgresql adapter

This commit is contained in:
2026-05-10 01:57:10 +02:00
parent 9be7af50d2
commit 597685520c
14 changed files with 1915 additions and 38 deletions

View File

@@ -0,0 +1,204 @@
use async_trait::async_trait;
use chrono::Utc;
use sqlx::PgPool;
use domain::{
errors::DomainError,
models::{User, UserRole},
ports::UserRepository,
value_objects::{Email, PasswordHash, UserId, Username},
};
use super::models::UserSummaryRow;
pub struct PostgresUserRepository {
pool: PgPool,
}
impl PostgresUserRepository {
pub fn new(pool: PgPool) -> Self {
Self { pool }
}
fn map_err(e: sqlx::Error) -> DomainError {
tracing::error!("Database error: {:?}", e);
DomainError::InfrastructureError("Database operation failed".into())
}
fn parse_role(s: &str) -> UserRole {
match s {
"admin" => UserRole::Admin,
_ => UserRole::Standard,
}
}
fn row_to_user(
id_str: String,
email_str: String,
username_str: String,
hash_str: String,
role: UserRole,
) -> Result<User, DomainError> {
let id = uuid::Uuid::parse_str(&id_str)
.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
let email = Email::new(email_str)
.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
let username = Username::new(username_str)
.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
let hash = PasswordHash::new(hash_str)
.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
Ok(User::from_persistence(
UserId::from_uuid(id),
email,
username,
hash,
role,
))
}
}
#[async_trait]
impl UserRepository for PostgresUserRepository {
async fn find_by_email(&self, email: &Email) -> Result<Option<User>, DomainError> {
let email_str = email.value();
#[derive(sqlx::FromRow)]
struct Row {
id: String,
email: String,
username: String,
password_hash: String,
role: String,
}
let row = sqlx::query_as::<_, Row>(
"SELECT id, email, username, password_hash, role FROM users WHERE email = $1",
)
.bind(email_str)
.fetch_optional(&self.pool)
.await
.map_err(Self::map_err)?;
row.map(|r| {
Self::row_to_user(
r.id,
r.email,
r.username,
r.password_hash,
Self::parse_role(&r.role),
)
})
.transpose()
}
async fn find_by_username(&self, username: &Username) -> Result<Option<User>, DomainError> {
let username_str = username.value();
#[derive(sqlx::FromRow)]
struct Row {
id: String,
email: String,
username: String,
password_hash: String,
role: String,
}
let row = sqlx::query_as::<_, Row>(
"SELECT id, email, username, password_hash, role FROM users WHERE username = $1",
)
.bind(username_str)
.fetch_optional(&self.pool)
.await
.map_err(Self::map_err)?;
row.map(|r| {
Self::row_to_user(
r.id,
r.email,
r.username,
r.password_hash,
Self::parse_role(&r.role),
)
})
.transpose()
}
async fn save(&self, user: &User) -> Result<(), DomainError> {
if self.find_by_email(user.email()).await?.is_some() {
return Err(DomainError::ValidationError(
"Email already registered".into(),
));
}
if self.find_by_username(user.username()).await?.is_some() {
return Err(DomainError::ValidationError(
"Username already taken".into(),
));
}
let id = user.id().value().to_string();
let email = user.email().value();
let username = user.username().value();
let hash = user.password_hash().value();
let created_at = Utc::now()
.naive_utc()
.format("%Y-%m-%d %H:%M:%S")
.to_string();
let role = match user.role() {
UserRole::Admin => "admin",
UserRole::Standard => "standard",
};
sqlx::query(
"INSERT INTO users (id, email, username, password_hash, created_at, role) VALUES ($1, $2, $3, $4, $5::timestamptz, $6)",
)
.bind(&id)
.bind(email)
.bind(username)
.bind(hash)
.bind(&created_at)
.bind(role)
.execute(&self.pool)
.await
.map_err(Self::map_err)?;
Ok(())
}
async fn find_by_id(&self, id: &UserId) -> Result<Option<User>, DomainError> {
let id_str = id.value().to_string();
#[derive(sqlx::FromRow)]
struct Row {
id: String,
email: String,
username: String,
password_hash: String,
role: String,
}
let row = sqlx::query_as::<_, Row>(
"SELECT id, email, username, password_hash, role FROM users WHERE id = $1",
)
.bind(&id_str)
.fetch_optional(&self.pool)
.await
.map_err(Self::map_err)?;
row.map(|r| {
Self::row_to_user(
r.id,
r.email,
r.username,
r.password_hash,
Self::parse_role(&r.role),
)
})
.transpose()
}
async fn list_with_stats(&self) -> Result<Vec<domain::models::UserSummary>, DomainError> {
sqlx::query_as::<_, UserSummaryRow>(
r#"SELECT u.id, u.email,
COUNT(DISTINCT r.movie_id) AS total_movies,
AVG(r.rating::float) AS avg_rating
FROM users u
LEFT JOIN reviews r ON r.user_id = u.id AND r.remote_actor_url IS NULL
GROUP BY u.id, u.email
ORDER BY u.email ASC"#,
)
.fetch_all(&self.pool)
.await
.map_err(Self::map_err)?
.into_iter()
.map(UserSummaryRow::to_domain)
.collect()
}
}