updates

Backend/src/models/workflow.py

@@ -0,0 +1,127 @@
+from sqlalchemy import Column, Integer, String, DateTime, Boolean, Text, Enum, ForeignKey, JSON
+from sqlalchemy.orm import relationship
+from datetime import datetime
+import enum
+from ..config.database import Base
+
+class WorkflowType(str, enum.Enum):
+    pre_arrival = 'pre_arrival'
+    room_preparation = 'room_preparation'
+    maintenance = 'maintenance'
+    guest_communication = 'guest_communication'
+    follow_up = 'follow_up'
+    custom = 'custom'
+
+class WorkflowStatus(str, enum.Enum):
+    active = 'active'
+    inactive = 'inactive'
+    archived = 'archived'
+
+class WorkflowTrigger(str, enum.Enum):
+    booking_created = 'booking_created'
+    booking_confirmed = 'booking_confirmed'
+    check_in = 'check_in'
+    check_out = 'check_out'
+    maintenance_request = 'maintenance_request'
+    guest_message = 'guest_message'
+    manual = 'manual'
+    scheduled = 'scheduled'
+
+class Workflow(Base):
+    __tablename__ = 'workflows'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    name = Column(String(255), nullable=False)
+    description = Column(Text, nullable=True)
+    workflow_type = Column(Enum(WorkflowType), nullable=False)
+    status = Column(Enum(WorkflowStatus), nullable=False, default=WorkflowStatus.active)
+    trigger = Column(Enum(WorkflowTrigger), nullable=False)
+    trigger_config = Column(JSON, nullable=True)  # Configuration for trigger (e.g., time before check-in)
+    steps = Column(JSON, nullable=False)  # Array of workflow steps
+    sla_hours = Column(Integer, nullable=True)  # SLA in hours for workflow completion
+    is_active = Column(Boolean, nullable=False, default=True)
+    created_by = Column(Integer, ForeignKey('users.id'), nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    creator = relationship('User', foreign_keys=[created_by])
+    workflow_instances = relationship('WorkflowInstance', back_populates='workflow', cascade='all, delete-orphan')
+
+class WorkflowInstance(Base):
+    __tablename__ = 'workflow_instances'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    workflow_id = Column(Integer, ForeignKey('workflows.id'), nullable=False)
+    booking_id = Column(Integer, ForeignKey('bookings.id'), nullable=True)
+    room_id = Column(Integer, ForeignKey('rooms.id'), nullable=True)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=True)  # Guest user
+    status = Column(String(50), nullable=False, default='pending')  # pending, in_progress, completed, cancelled
+    started_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    completed_at = Column(DateTime, nullable=True)
+    due_date = Column(DateTime, nullable=True)
+    meta_data = Column(JSON, nullable=True)  # Additional context data
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    workflow = relationship('Workflow', back_populates='workflow_instances')
+    booking = relationship('Booking')
+    room = relationship('Room')
+    user = relationship('User', foreign_keys=[user_id])
+    tasks = relationship('Task', back_populates='workflow_instance', cascade='all, delete-orphan')
+
+class TaskStatus(str, enum.Enum):
+    pending = 'pending'
+    assigned = 'assigned'
+    in_progress = 'in_progress'
+    completed = 'completed'
+    cancelled = 'cancelled'
+    overdue = 'overdue'
+
+class TaskPriority(str, enum.Enum):
+    low = 'low'
+    medium = 'medium'
+    high = 'high'
+    urgent = 'urgent'
+
+class Task(Base):
+    __tablename__ = 'tasks'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    title = Column(String(255), nullable=False)
+    description = Column(Text, nullable=True)
+    task_type = Column(String(100), nullable=False)  # e.g., 'room_cleaning', 'maintenance', 'guest_communication'
+    status = Column(Enum(TaskStatus), nullable=False, default=TaskStatus.pending)
+    priority = Column(Enum(TaskPriority), nullable=False, default=TaskPriority.medium)
+    workflow_instance_id = Column(Integer, ForeignKey('workflow_instances.id'), nullable=True)
+    booking_id = Column(Integer, ForeignKey('bookings.id'), nullable=True)
+    room_id = Column(Integer, ForeignKey('rooms.id'), nullable=True)
+    assigned_to = Column(Integer, ForeignKey('users.id'), nullable=True)
+    created_by = Column(Integer, ForeignKey('users.id'), nullable=False)
+    due_date = Column(DateTime, nullable=True)
+    completed_at = Column(DateTime, nullable=True)
+    estimated_duration_minutes = Column(Integer, nullable=True)
+    actual_duration_minutes = Column(Integer, nullable=True)
+    notes = Column(Text, nullable=True)
+    meta_data = Column(JSON, nullable=True)  # Additional task-specific data
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    workflow_instance = relationship('WorkflowInstance', back_populates='tasks')
+    booking = relationship('Booking')
+    room = relationship('Room')
+    assignee = relationship('User', foreign_keys=[assigned_to])
+    creator_user = relationship('User', foreign_keys=[created_by])
+    task_comments = relationship('TaskComment', back_populates='task', cascade='all, delete-orphan')
+
+class TaskComment(Base):
+    __tablename__ = 'task_comments'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    task_id = Column(Integer, ForeignKey('tasks.id'), nullable=False)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    comment = Column(Text, nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    
+    task = relationship('Task', back_populates='task_comments')
+    user = relationship('User')
+