4b391fe54b
- Add User model with email-based authentication - Add Tag model with many-to-many relationship to todos - Add TodoTag junction table for todo-tag relationships - Enhance Todo model with priority levels (low, medium, high) - Add due_date field with datetime support - Add recurrence_pattern field for recurring todos - Add parent-child relationship for subtasks support - Create comprehensive alembic migration for all changes - Add proper indexes for performance optimization - Use Text type for todo descriptions - Implement proper SQLAlchemy relationships and foreign keys
75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Enum, Text
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from sqlalchemy.sql import func
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from sqlalchemy.orm import relationship
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from enum import Enum as PyEnum
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from .db.base import Base
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class PriorityLevel(PyEnum):
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LOW = "low"
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MEDIUM = "medium"
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HIGH = "high"
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class RecurrencePattern(PyEnum):
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NONE = "none"
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DAILY = "daily"
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WEEKLY = "weekly"
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MONTHLY = "monthly"
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YEARLY = "yearly"
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class User(Base):
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__tablename__ = "users"
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id = Column(Integer, primary_key=True, index=True)
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email = Column(String, unique=True, index=True, nullable=False)
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name = Column(String, nullable=False)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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# Relationship with todos
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todos = relationship("Todo", back_populates="user")
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class Tag(Base):
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__tablename__ = "tags"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String, unique=True, index=True, nullable=False)
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color = Column(String, nullable=True) # Optional color for UI
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class TodoTag(Base):
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__tablename__ = "todo_tags"
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todo_id = Column(Integer, ForeignKey("todos.id"), primary_key=True)
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tag_id = Column(Integer, ForeignKey("tags.id"), primary_key=True)
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class Todo(Base):
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__tablename__ = "todos"
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id = Column(Integer, primary_key=True, index=True)
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title = Column(String, index=True, nullable=False)
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description = Column(Text, nullable=True)
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completed = Column(Boolean, default=False, nullable=False)
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priority = Column(Enum(PriorityLevel), default=PriorityLevel.MEDIUM, nullable=False, index=True)
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due_date = Column(DateTime(timezone=True), nullable=True, index=True)
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recurrence_pattern = Column(Enum(RecurrencePattern), default=RecurrencePattern.NONE, nullable=False)
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# User relationship
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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user = relationship("User", back_populates="todos")
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# Parent-child relationship for subtasks
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parent_id = Column(Integer, ForeignKey("todos.id"), nullable=True, index=True)
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parent = relationship("Todo", remote_side=[id], back_populates="subtasks")
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subtasks = relationship("Todo", back_populates="parent")
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# Many-to-many relationship with tags
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tags = relationship("Tag", secondary="todo_tags", backref="todos")
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now()) |