Merge pull request #1 from olegvodyanov/refactor_consultation_handler_via_AI

changes made by AI

src/core/exceptions.py

@@ -0,0 +1,4 @@
+class DatabaseError(Exception):
+    """Custom exception for database-related errors."""
+    def __init__(self, message: str = "A database error occurred"):
+        super().__init__(message)

src/docbot/handlers/patients/consultation_handler.py

@@ -22,6 +22,7 @@ from docbot.services.doctors_service import (
 )
 from docbot.services.session_service import create_session
 from core.logging import logger
+from core.exceptions import DatabaseError  # Assuming a custom exception for database-related issues
 
 
 SEND_ACKNOWLEDGEMENT_INFO = 1
@@ -73,7 +74,14 @@ async def accept_personal_data_agreement(update: Update, context: ContextTypes.D
     user_data = context.user_data
     user_data['telegram_id'] = user_id = update.effective_user.id
 
-    registered = await get_patient_by_telegram_id(user_id)
+    try:
+        registered = await get_patient_by_telegram_id(user_id)
+    except DatabaseError as e:
+        logger.error(f"Database error while fetching patient by Telegram ID {user_id}: {e}")
+        await update.message.reply_text(
+            "❌ Произошла ошибка при обработке вашего запроса. Пожалуйста, попробуйте позже."
+        )
+        return ConversationHandler.END
 
     logger.info(f"User {user_id} initiated consultation process.")
     logger.info(f"User exists? {registered}")
@@ -95,14 +103,21 @@ async def accept_personal_data_agreement(update: Update, context: ContextTypes.D
 
 
 async def receive_patient_aceptance(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
-    logger.info(f"Next function receive_patient_aceptance")
     user_data = context.user_data
     await update.callback_query.answer()
 
     if update.callback_query.data == "consult:accepted":
         user_data['accepted'] = True
         user_id = user_data['telegram_id']
-        await create_patient(telegram_id=user_id, terms_acceptance=True)  # Создаем пациента в БД
+        try:
+            await create_patient(telegram_id=user_id, terms_acceptance=True)  # Создаем пациента в БД
+        except DatabaseError as e:
+            logger.error(f"Failed to create patient for user {user_id}: {e}")
+            await update.callback_query.edit_message_text(
+                text="❌ Произошла ошибка при создании вашей записи. Пожалуйста, попробуйте позже."
+            )
+            return ConversationHandler.END
+
         await update.callback_query.edit_message_text(
             text="✅ Спасибо за подтверждение. Вы можете продолжить запись на консультацию.",
             parse_mode="Markdown",
@@ -279,16 +294,30 @@ async def receive_consultation_date(update: Update, context: ContextTypes.DEFAUL
 async def pay_consultation(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
     user_id = context.user_data['telegram_id']
     consultation_date_time = context.user_data['consultation_date_time']
-    patient = await get_patient_by_telegram_id(user_id)
+    try:
-    doctor = await get_doctor_by_code(context.user_data['doctor_number'])
+        patient = await get_patient_by_telegram_id(user_id)
+        doctor = await get_doctor_by_code(context.user_data['doctor_number'])
+    except DatabaseError as e:
+        logger.error(f"Database error during payment process for user {user_id}: {e}")
+        await update.callback_query.message.reply_text(
+            "❌ Произошла ошибка при обработке вашего запроса. Пожалуйста, попробуйте позже."
+        )
+        return ConversationHandler.END
 
-    await create_session(
+    try:
-        telegram_id=user_id,
+        await create_session(
-        phone=patient.phone,
+            telegram_id=user_id,
-        consultation_date_time=consultation_date_time,
+            phone=patient.phone,
-        patient=patient,
+            consultation_date_time=consultation_date_time,
-        doctor_id=doctor.id if doctor else None
+            patient=patient,
-    )
+            doctor_id=doctor.id if doctor else None
+        )
+    except DatabaseError as e:
+        logger.error(f"Failed to create session for user {user_id}: {e}")
+        await update.callback_query.message.reply_text(
+            "❌ Произошла ошибка при создании записи на консультацию. Пожалуйста, попробуйте позже."
+        )
+        return ConversationHandler.END
 
     link = await get_doctors_payment_link(context.user_data['doctor_number'])