refactoring hexagonal and clean architecture

src/domain/entities/session.rs

@@ -3,14 +3,14 @@ use chrono::{DateTime, Utc, Duration};
 
 #[derive(Debug, Clone)]
 pub struct Session {
-    pub id: String,
-    pub user_id: String,
-    pub refresh_token: String,
-    pub expires_at: DateTime<Utc>,
-    pub ip_address: Option<String>,
-    pub user_agent: Option<String>,
-    pub created_at: DateTime<Utc>,
-    pub revoked: bool,
+    id: String,
+    user_id: String,
+    refresh_token: String,
+    expires_at: DateTime<Utc>,
+    ip_address: Option<String>,
+    user_agent: Option<String>,
+    created_at: DateTime<Utc>,
+    revoked: bool,
 }
 
 impl Session {
@@ -21,6 +21,13 @@ impl Session {
         user_agent: Option<String>,
         expires_in_days: i64,
     ) -> Self {
+        if user_id.is_empty() {
+            panic!("Session user_id cannot be empty");
+        }
+        if refresh_token.is_empty() {
+            panic!("Session refresh_token cannot be empty");
+        }
+
         let now = Utc::now();
         Self {
             id: Uuid::new_v4().to_string(),
@@ -33,6 +40,30 @@ impl Session {
             revoked: false,
         }
     }
+
+    /// Reconstruct a Session from persisted data (e.g. database row).
+    /// Skips ID generation — uses the provided values directly.
+    pub fn from_raw(
+        id: String,
+        user_id: String,
+        refresh_token: String,
+        expires_at: DateTime<Utc>,
+        ip_address: Option<String>,
+        user_agent: Option<String>,
+        created_at: DateTime<Utc>,
+        revoked: bool,
+    ) -> Self {
+        Self {
+            id,
+            user_id,
+            refresh_token,
+            expires_at,
+            ip_address,
+            user_agent,
+            created_at,
+            revoked,
+        }
+    }
     
     // Getters
     pub fn id(&self) -> &str {
@@ -50,6 +81,14 @@ impl Session {
     pub fn expires_at(&self) -> DateTime<Utc> {
         self.expires_at
     }
+
+    pub fn ip_address(&self) -> Option<&str> {
+        self.ip_address.as_deref()
+    }
+
+    pub fn user_agent(&self) -> Option<&str> {
+        self.user_agent.as_deref()
+    }
     
     pub fn created_at(&self) -> DateTime<Utc> {
         self.created_at