pub struct AsyncValidator<'a> { /* private fields */ }Expand description
Validateur asynchrone pour les règles qui nécessitent la base de données.
§Exemples
ⓘ
// Création — vérifier l'unicité
AsyncValidator::new(pool)
.unique("users", "username", &input.username, "Ce nom d'utilisateur est déjà pris")
.unique("users", "email", &input.email, "Cette adresse email est déjà utilisée")
.validate()
.await?;
// Mise à jour — exclure l'ID courant
AsyncValidator::new(pool)
.unique_except("users", "username", &input.username, user_id, "Ce nom d'utilisateur est déjà pris")
.unique_except("users", "email", &input.email, user_id, "Cette adresse email est déjà utilisée")
.validate()
.await?;
// Vérifier qu'une FK existe
AsyncValidator::new(pool)
.exists("category", "id", category_id, "Catégorie introuvable")
.validate()
.await?;Implementations§
Source§impl<'a> AsyncValidator<'a>
impl<'a> AsyncValidator<'a>
pub fn new(pool: &'a DbPool) -> Self
Sourcepub fn unique(
self,
table: &str,
column: &str,
value: &str,
message: &str,
) -> Self
pub fn unique( self, table: &str, column: &str, value: &str, message: &str, ) -> Self
Vérifie qu’une valeur est unique dans une table.
Retourne Conflict si la valeur existe déjà.
Sourcepub fn unique_except(
self,
table: &str,
column: &str,
value: &str,
except_id: i64,
message: &str,
) -> Self
pub fn unique_except( self, table: &str, column: &str, value: &str, except_id: i64, message: &str, ) -> Self
Vérifie qu’une valeur est unique, en excluant un ID (pour les mises à jour).
Retourne Conflict si un AUTRE enregistrement a déjà cette valeur.
Sourcepub fn unique_except_if_some(
self,
table: &str,
column: &str,
value: &Option<String>,
except_id: i64,
message: &str,
) -> Self
pub fn unique_except_if_some( self, table: &str, column: &str, value: &Option<String>, except_id: i64, message: &str, ) -> Self
Comme unique_except, mais uniquement si la valeur est Some.
Utile pour les mises à jour partielles avec des champs optionnels.
Auto Trait Implementations§
impl<'a> Freeze for AsyncValidator<'a>
impl<'a> !RefUnwindSafe for AsyncValidator<'a>
impl<'a> Send for AsyncValidator<'a>
impl<'a> Sync for AsyncValidator<'a>
impl<'a> Unpin for AsyncValidator<'a>
impl<'a> UnsafeUnpin for AsyncValidator<'a>
impl<'a> !UnwindSafe for AsyncValidator<'a>
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