feat(application): all use cases

crates/application/src/use_cases/api_keys.rs

@@ -0,0 +1,29 @@
+use chrono::Utc;
+use domain::{
+    errors::DomainError,
+    models::api_key::ApiKey,
+    ports::ApiKeyRepository,
+    value_objects::{ApiKeyId, UserId},
+};
+
+pub async fn list_api_keys(keys: &dyn ApiKeyRepository, user_id: &UserId) -> Result<Vec<ApiKey>, DomainError> {
+    keys.list_for_user(user_id).await
+}
+
+pub async fn create_api_key(keys: &dyn ApiKeyRepository, user_id: &UserId, name: String) -> Result<(ApiKey, String), DomainError> {
+    let raw_key = uuid::Uuid::new_v4().to_string().replace('-', "");
+    let key_hash = sha256_hex(&raw_key);
+    let key = ApiKey { id: ApiKeyId::new(), user_id: user_id.clone(), key_hash, name, created_at: Utc::now() };
+    keys.save(&key).await?;
+    Ok((key, raw_key))
+}
+
+pub async fn delete_api_key(keys: &dyn ApiKeyRepository, user_id: &UserId, key_id: &ApiKeyId) -> Result<(), DomainError> {
+    keys.delete(key_id, user_id).await
+}
+
+fn sha256_hex(s: &str) -> String {
+    use sha2::{Digest, Sha256};
+    let hash = Sha256::digest(s.as_bytes());
+    hex::encode(hash)
+}