Samir Boulahtit
8b7d2fe312
- Add Conversation, ConversationParticipant, Message, MessageAttachment models - Add ConversationType enum (admin_vendor, vendor_customer, admin_customer) - Add ParticipantType enum (admin, vendor, customer) - Add Alembic migration for messaging tables - Add MessagingService for conversation/message operations - Add MessageAttachmentService for file upload handling - Add message-related exceptions (ConversationNotFoundException, etc.) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# app/exceptions/message.py
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"""
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Messaging specific exceptions.
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"""
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from .base import BusinessLogicException, ResourceNotFoundException, ValidationException
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class ConversationNotFoundException(ResourceNotFoundException):
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"""Raised when a conversation is not found."""
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def __init__(self, conversation_identifier: str):
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super().__init__(
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resource_type="Conversation",
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identifier=conversation_identifier,
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message=f"Conversation '{conversation_identifier}' not found",
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error_code="CONVERSATION_NOT_FOUND",
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)
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class MessageNotFoundException(ResourceNotFoundException):
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"""Raised when a message is not found."""
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def __init__(self, message_identifier: str):
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super().__init__(
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resource_type="Message",
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identifier=message_identifier,
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message=f"Message '{message_identifier}' not found",
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error_code="MESSAGE_NOT_FOUND",
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)
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class ConversationClosedException(BusinessLogicException):
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"""Raised when trying to send message to a closed conversation."""
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def __init__(self, conversation_id: int):
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super().__init__(
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message=f"Cannot send message to closed conversation {conversation_id}",
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error_code="CONVERSATION_CLOSED",
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details={"conversation_id": conversation_id},
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)
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class MessageAttachmentException(ValidationException):
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"""Raised when attachment validation fails."""
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def __init__(self, message: str, details: dict | None = None):
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super().__init__(
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message=message,
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error_code="MESSAGE_ATTACHMENT_INVALID",
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details=details,
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)
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class UnauthorizedConversationAccessException(BusinessLogicException):
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"""Raised when user tries to access a conversation they don't have access to."""
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def __init__(self, conversation_id: int):
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super().__init__(
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message=f"You do not have access to conversation {conversation_id}",
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error_code="CONVERSATION_ACCESS_DENIED",
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details={"conversation_id": conversation_id},
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)
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