Fix bugs issues

services/auth/app/main.py

@@ -54,13 +54,36 @@ async def lifespan(app: FastAPI):
         logger.info("Messaging setup complete")
         
         # Register custom metrics (metrics_collector already exists)
-        metrics_collector.register_counter("registration_total", "Total user registrations")
+        metrics_collector.register_counter(
-        metrics_collector.register_counter("login_success_total", "Successful logins")
+            "registration_total",
-        metrics_collector.register_counter("login_failure_total", "Failed logins")
+            "Total user registrations by status",
-        metrics_collector.register_counter("token_refresh_total", "Token refresh requests")
+            labels=["status"] # Add this line
-        metrics_collector.register_counter("token_verify_total", "Token verification requests")
+        )
-        metrics_collector.register_counter("logout_total", "User logout requests")
+        metrics_collector.register_counter(
-        metrics_collector.register_counter("errors_total", "Total errors")
+            "login_success_total",
+            "Total successful user logins"
+        )
+        metrics_collector.register_counter(
+            "login_failure_total",
+            "Total failed user logins by reason",
+            labels=["reason"] # Add this line, based on auth.py usage
+        )
+        metrics_collector.register_counter(
+            "token_refresh_total",
+            "Total token refreshes by status",
+            labels=["status"] # Add this line
+        )
+        metrics_collector.register_counter(
+            "token_verify_total",
+            "Total token verifications by status",
+            labels=["status"] # Add this line
+        )
+        metrics_collector.register_counter(
+            "logout_total",
+            "Total user logouts by status",
+            labels=["status"] # Add this line
+        )
+        metrics_collector.register_counter("errors_total", "Total errors", labels=["type"]) # Add this line
         metrics_collector.register_histogram("registration_duration_seconds", "Registration request duration")
         metrics_collector.register_histogram("login_duration_seconds", "Login request duration")
         metrics_collector.register_histogram("token_refresh_duration_seconds", "Token refresh duration")

services/auth/app/models/users.py

@@ -1,16 +1,19 @@
+# ================================================================
+# services/auth/app/models/users.py - FIXED VERSION
+# ================================================================
 """
-User models for authentication service
+User models for authentication service - FIXED
 """
 
 from sqlalchemy import Column, String, Boolean, DateTime, Text
 from sqlalchemy.dialects.postgresql import UUID
-from datetime import datetime
+from datetime import datetime, timezone
 import uuid
 
 from shared.database.base import Base
 
 class User(Base):
-    """User model"""
+    """User model - FIXED timezone handling"""
     __tablename__ = "users"
     
     id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
@@ -22,9 +25,10 @@ class User(Base):
     tenant_id = Column(UUID(as_uuid=True), nullable=True)
     role = Column(String(50), default="user")  # user, admin, super_admin
     
-    created_at = Column(DateTime, default=datetime.utcnow)
+    # FIXED: Use timezone-aware datetime for all datetime fields
-    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
-    last_login = Column(DateTime)
+    updated_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
+    last_login = Column(DateTime(timezone=True))  # FIXED: Now timezone-aware
     
     # Profile fields
     phone = Column(String(20))
@@ -53,22 +57,23 @@ class User(Base):
 
 
 class UserSession(Base):
-    """User session model"""
+    """User session model - FIXED timezone handling"""
     __tablename__ = "user_sessions"
     
     id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     user_id = Column(UUID(as_uuid=True), nullable=False, index=True)
     refresh_token_hash = Column(String(255), nullable=False)
     is_active = Column(Boolean, default=True)
-    expires_at = Column(DateTime, nullable=False)
+    expires_at = Column(DateTime(timezone=True), nullable=False)  # FIXED: timezone-aware
     
     # Session metadata
     ip_address = Column(String(45))
     user_agent = Column(Text)
     device_info = Column(Text)
     
-    created_at = Column(DateTime, default=datetime.utcnow)
+    # FIXED: Use timezone-aware datetime
-    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
+    updated_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
     
     def __repr__(self):
         return f"<UserSession(id={self.id}, user_id={self.user_id})>"

services/auth/app/services/auth_service.py

@@ -12,6 +12,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, update
 from fastapi import HTTPException, status
 
+from app.core.config import settings
 from app.models.users import User, UserSession
 from app.schemas.auth import UserRegistration, UserLogin, TokenResponse, UserResponse
 from app.core.security import security_manager
@@ -63,7 +64,6 @@ class AuthService:
             "user.registered",
             UserRegisteredEvent(
                 service_name="auth-service",
-                timestamp=datetime.now(timezone.utc),
                 data={
                     "user_id": str(user.id),
                     "email": user.email,
@@ -149,9 +149,7 @@ class AuthService:
             "user_events",
             "user.login",
             UserLoginEvent(
-                event_id=str(session.id),
                 service_name="auth-service",
-                timestamp=datetime.now(timezone.utc),
                 data={
                     "user_id": str(user.id),
                     "email": user.email,

shared/messaging/events.py

@@ -3,7 +3,7 @@ Event definitions for microservices communication
 - Simple class-based approach to avoid dataclass issues
 """
 
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import Dict, Any, Optional
 import uuid
 
@@ -14,8 +14,19 @@ class BaseEvent:
         self.data = data
         self.event_type = event_type
         self.event_id = str(uuid.uuid4())
-        self.timestamp = datetime.utcnow()
+        self.timestamp = datetime.now(timezone.utc)
         self.correlation_id = correlation_id
+    
+    def to_dict(self) -> Dict[str, Any]: # Add this method
+        """Converts the event object to a dictionary for JSON serialization."""
+        return {
+            "service_name": self.service_name,
+            "data": self.data,
+            "event_type": self.event_type,
+            "event_id": self.event_id,
+            "timestamp": self.timestamp.isoformat(), # Convert datetime to ISO 8601 string
+            "correlation_id": self.correlation_id
+        }
 
 # Training Events
 class TrainingStartedEvent(BaseEvent):