Files
Task_Reporter/app/modules/chat_room/models.py
egg 44822a561a feat: Improve file display, timezone handling, and LOT management
Changes:
- Fix datetime serialization with UTC 'Z' suffix for correct timezone display
- Add PDF upload support with extension fallback for MIME detection
- Fix LOT add/remove by creating new list for SQLAlchemy JSON change detection
- Add file message components (FileMessage, ImageLightbox, UploadPreview)
- Add multi-file upload support with progress tracking
- Link uploaded files to chat messages via message_id
- Include file attachments in AI report generation
- Update specs for file-storage, realtime-messaging, and ai-report-generation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-08 12:39:15 +08:00

115 lines
3.9 KiB
Python

"""SQLAlchemy models for chat room management
Tables:
- tr_incident_rooms: Stores room metadata and configuration
- tr_room_members: User-room associations with roles
Note: All tables use 'tr_' prefix to avoid conflicts in shared database.
"""
from sqlalchemy import Column, Integer, String, Text, DateTime, Enum, ForeignKey, UniqueConstraint, Index, JSON
from sqlalchemy.orm import relationship
from datetime import datetime
import enum
import uuid
from app.core.database import Base
class IncidentType(str, enum.Enum):
"""Types of production incidents"""
EQUIPMENT_FAILURE = "equipment_failure"
MATERIAL_SHORTAGE = "material_shortage"
QUALITY_ISSUE = "quality_issue"
OTHER = "other"
class SeverityLevel(str, enum.Enum):
"""Incident severity levels"""
LOW = "low"
MEDIUM = "medium"
HIGH = "high"
CRITICAL = "critical"
class RoomStatus(str, enum.Enum):
"""Room lifecycle status"""
ACTIVE = "active"
RESOLVED = "resolved"
ARCHIVED = "archived"
class MemberRole(str, enum.Enum):
"""Room member roles"""
OWNER = "owner"
EDITOR = "editor"
VIEWER = "viewer"
class IncidentRoom(Base):
"""Incident room model for production incidents"""
__tablename__ = "tr_incident_rooms"
room_id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
title = Column(String(255), nullable=False)
incident_type = Column(Enum(IncidentType), nullable=False)
severity = Column(Enum(SeverityLevel), nullable=False)
status = Column(Enum(RoomStatus), default=RoomStatus.ACTIVE, nullable=False)
location = Column(String(255))
description = Column(Text)
resolution_notes = Column(Text)
lots = Column(JSON, default=list, nullable=False, comment="LOT batch numbers (JSON array)")
# User tracking
created_by = Column(String(255), nullable=False) # User email/ID who created the room
# Timestamps
created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
resolved_at = Column(DateTime)
archived_at = Column(DateTime)
last_activity_at = Column(DateTime, default=datetime.utcnow, nullable=False)
last_updated_at = Column(DateTime, default=datetime.utcnow, nullable=False)
# Ownership transfer tracking
ownership_transferred_at = Column(DateTime)
ownership_transferred_by = Column(String(255))
# Denormalized count for performance
member_count = Column(Integer, default=0, nullable=False)
# Relationships
members = relationship("RoomMember", back_populates="room", cascade="all, delete-orphan")
files = relationship("RoomFile", back_populates="room", cascade="all, delete-orphan")
reports = relationship("GeneratedReport", back_populates="room", cascade="all, delete-orphan")
# Indexes for common queries
__table_args__ = (
Index("ix_tr_incident_rooms_status_created", "status", "created_at"),
Index("ix_tr_incident_rooms_created_by", "created_by"),
)
class RoomMember(Base):
"""Room membership model"""
__tablename__ = "tr_room_members"
id = Column(Integer, primary_key=True, autoincrement=True)
room_id = Column(String(36), ForeignKey("tr_incident_rooms.room_id", ondelete="CASCADE"), nullable=False)
user_id = Column(String(255), nullable=False) # User email/ID
role = Column(Enum(MemberRole), nullable=False)
# Tracking
added_by = Column(String(255), nullable=False) # Who added this member
added_at = Column(DateTime, default=datetime.utcnow, nullable=False)
removed_at = Column(DateTime) # Soft delete timestamp
# Relationships
room = relationship("IncidentRoom", back_populates="members")
# Constraints and indexes
__table_args__ = (
# Ensure unique active membership (where removed_at IS NULL)
UniqueConstraint("room_id", "user_id", "removed_at", name="uq_tr_room_member_active"),
Index("ix_tr_room_members_room_user", "room_id", "user_id"),
Index("ix_tr_room_members_user", "user_id"),
)