0cd1b9c84d
This commit introduces a significant update to the database schema and models by implementing soft delete functionality across multiple tables, including users, groups, lists, items, expenses, and more. Key changes include: - Addition of `deleted_at` and `is_deleted` columns to facilitate soft deletes. - Removal of cascading delete behavior from foreign key constraints to prevent accidental data loss. - Updates to the models to incorporate the new soft delete mixin, ensuring consistent handling of deletions across the application. - Introduction of a new endpoint for group deletion, requiring owner confirmation to enhance data integrity. These changes aim to improve data safety and compliance with data protection regulations while maintaining the integrity of related records.
484 lines
24 KiB
Python
484 lines
24 KiB
Python
import enum
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import secrets
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from datetime import datetime, timedelta, timezone
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from sqlalchemy import (
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Column,
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Integer,
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String,
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DateTime,
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ForeignKey,
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Boolean,
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Enum as SAEnum,
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UniqueConstraint,
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Index,
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DDL,
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func,
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text as sa_text,
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Text,
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Numeric,
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CheckConstraint,
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Date
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)
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from sqlalchemy.orm import relationship, declared_attr
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.ext.declarative import declared_attr
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from .database import Base
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class SoftDeleteMixin:
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deleted_at = Column(DateTime(timezone=True), nullable=True, index=True)
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is_deleted = Column(Boolean, default=False, nullable=False, index=True)
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@declared_attr
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def __mapper_args__(cls):
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return {
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'polymorphic_identity': cls.__name__.lower(),
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'passive_deletes': True
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}
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# --- Enums ---
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class UserRoleEnum(enum.Enum):
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owner = "owner"
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member = "member"
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class SplitTypeEnum(enum.Enum):
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EQUAL = "EQUAL" # Split equally among all involved users
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EXACT_AMOUNTS = "EXACT_AMOUNTS" # Specific amounts for each user (defined in ExpenseSplit)
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PERCENTAGE = "PERCENTAGE" # Percentage for each user (defined in ExpenseSplit)
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SHARES = "SHARES" # Proportional to shares/units (defined in ExpenseSplit)
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ITEM_BASED = "ITEM_BASED" # If an expense is derived directly from item prices and who added them
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# Consider renaming to a more generic term like 'DERIVED' or 'ENTITY_DRIVEN'
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# if expenses might be derived from other entities in the future.
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# Add more types as needed, e.g., UNPAID (for tracking debts not part of a formal expense)
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class ExpenseSplitStatusEnum(enum.Enum):
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unpaid = "unpaid"
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partially_paid = "partially_paid"
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paid = "paid"
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class ExpenseOverallStatusEnum(enum.Enum):
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unpaid = "unpaid"
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partially_paid = "partially_paid"
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paid = "paid"
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class RecurrenceTypeEnum(enum.Enum):
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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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# Add more types as needed
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# Define ChoreFrequencyEnum
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class ChoreFrequencyEnum(enum.Enum):
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one_time = "one_time"
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daily = "daily"
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weekly = "weekly"
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monthly = "monthly"
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custom = "custom"
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class ChoreTypeEnum(enum.Enum):
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personal = "personal"
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group = "group"
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class ChoreHistoryEventTypeEnum(str, enum.Enum):
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CREATED = "created"
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UPDATED = "updated"
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DELETED = "deleted"
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COMPLETED = "completed"
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REOPENED = "reopened"
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ASSIGNED = "assigned"
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UNASSIGNED = "unassigned"
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REASSIGNED = "reassigned"
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SCHEDULE_GENERATED = "schedule_generated"
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DUE_DATE_CHANGED = "due_date_changed"
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DETAILS_CHANGED = "details_changed"
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# --- User Model ---
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class User(Base, SoftDeleteMixin):
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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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hashed_password = Column(String, nullable=False)
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name = Column(String, index=True, nullable=True)
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is_active = Column(Boolean, default=True, nullable=False)
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is_superuser = Column(Boolean, default=False, nullable=False)
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is_verified = Column(Boolean, default=False, nullable=False)
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is_guest = Column(Boolean, default=False, nullable=False)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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# --- Relationships ---
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created_groups = relationship("Group", back_populates="creator")
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group_associations = relationship("UserGroup", back_populates="user")
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created_invites = relationship("Invite", back_populates="creator")
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created_lists = relationship("List", foreign_keys="List.created_by_id", back_populates="creator")
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added_items = relationship("Item", foreign_keys="Item.added_by_id", back_populates="added_by_user")
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completed_items = relationship("Item", foreign_keys="Item.completed_by_id", back_populates="completed_by_user")
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expenses_paid = relationship("Expense", foreign_keys="Expense.paid_by_user_id", back_populates="paid_by_user")
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expenses_created = relationship("Expense", foreign_keys="Expense.created_by_user_id", back_populates="created_by_user")
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expense_splits = relationship("ExpenseSplit", foreign_keys="ExpenseSplit.user_id", back_populates="user")
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settlements_made = relationship("Settlement", foreign_keys="Settlement.paid_by_user_id", back_populates="payer")
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settlements_received = relationship("Settlement", foreign_keys="Settlement.paid_to_user_id", back_populates="payee")
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settlements_created = relationship("Settlement", foreign_keys="Settlement.created_by_user_id", back_populates="created_by_user")
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created_chores = relationship("Chore", foreign_keys="[Chore.created_by_id]", back_populates="creator")
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assigned_chores = relationship("ChoreAssignment", back_populates="assigned_user")
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chore_history_entries = relationship("ChoreHistory", back_populates="changed_by_user")
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assignment_history_entries = relationship("ChoreAssignmentHistory", back_populates="changed_by_user")
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financial_audit_logs = relationship("FinancialAuditLog", back_populates="user")
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time_entries = relationship("TimeEntry", back_populates="user")
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categories = relationship("Category", back_populates="user")
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class Group(Base, SoftDeleteMixin):
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__tablename__ = "groups"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String, index=True, nullable=False)
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created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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version = Column(Integer, nullable=False, default=1, server_default='1')
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creator = relationship("User", back_populates="created_groups")
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member_associations = relationship("UserGroup", back_populates="group")
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invites = relationship("Invite", back_populates="group")
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lists = relationship("List", back_populates="group")
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expenses = relationship("Expense", foreign_keys="Expense.group_id", back_populates="group")
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settlements = relationship("Settlement", foreign_keys="Settlement.group_id", back_populates="group")
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chores = relationship("Chore", back_populates="group")
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chore_history = relationship("ChoreHistory", back_populates="group")
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class UserGroup(Base):
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__tablename__ = "user_groups"
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__table_args__ = (UniqueConstraint('user_id', 'group_id', name='uq_user_group'),)
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id = Column(Integer, primary_key=True, index=True)
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=False)
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role = Column(SAEnum(UserRoleEnum, name="userroleenum", create_type=True), nullable=False, default=UserRoleEnum.member)
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joined_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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user = relationship("User", back_populates="group_associations")
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group = relationship("Group", back_populates="member_associations")
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class Invite(Base):
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__tablename__ = "invites"
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__table_args__ = (
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Index('ix_invites_active_code', 'code', unique=True, postgresql_where=sa_text('is_active = true')),
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)
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id = Column(Integer, primary_key=True, index=True)
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code = Column(String, unique=False, index=True, nullable=False, default=lambda: secrets.token_urlsafe(16))
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=False)
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created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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expires_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc) + timedelta(days=7))
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is_active = Column(Boolean, default=True, nullable=False)
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group = relationship("Group", back_populates="invites")
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creator = relationship("User", back_populates="created_invites")
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class List(Base, SoftDeleteMixin):
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__tablename__ = "lists"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String, index=True, nullable=False)
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description = Column(Text, nullable=True)
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created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=True)
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is_complete = Column(Boolean, default=False, nullable=False)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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version = Column(Integer, nullable=False, default=1, server_default='1')
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archived_at = Column(DateTime(timezone=True), nullable=True, index=True)
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creator = relationship("User", back_populates="created_lists")
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group = relationship("Group", back_populates="lists")
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items = relationship(
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"Item",
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back_populates="list",
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order_by="Item.position.asc(), Item.created_at.asc()"
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)
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expenses = relationship("Expense", foreign_keys="Expense.list_id", back_populates="list")
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class Item(Base, SoftDeleteMixin):
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__tablename__ = "items"
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__table_args__ = (
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Index('ix_items_list_id_position', 'list_id', 'position'),
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)
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id = Column(Integer, primary_key=True, index=True)
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list_id = Column(Integer, ForeignKey("lists.id"), nullable=False)
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name = Column(String, index=True, nullable=False)
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quantity = Column(String, nullable=True)
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is_complete = Column(Boolean, default=False, nullable=False)
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price = Column(Numeric(10, 2), nullable=True)
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position = Column(Integer, nullable=False, server_default='0')
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category_id = Column(Integer, ForeignKey('categories.id'), nullable=True)
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added_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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completed_by_id = Column(Integer, ForeignKey("users.id"), nullable=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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version = Column(Integer, nullable=False, default=1, server_default='1')
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# --- Relationships ---
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list = relationship("List", back_populates="items")
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added_by_user = relationship("User", foreign_keys=[added_by_id], back_populates="added_items")
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completed_by_user = relationship("User", foreign_keys=[completed_by_id], back_populates="completed_items")
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expenses = relationship("Expense", back_populates="item")
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category = relationship("Category", back_populates="items")
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class Expense(Base, SoftDeleteMixin):
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__tablename__ = "expenses"
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id = Column(Integer, primary_key=True, index=True)
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description = Column(String, nullable=False)
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total_amount = Column(Numeric(10, 2), nullable=False)
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currency = Column(String, nullable=False, default="USD")
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expense_date = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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split_type = Column(SAEnum(SplitTypeEnum, name="splittypeenum", create_type=True), nullable=False)
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list_id = Column(Integer, ForeignKey("lists.id"), nullable=True, index=True)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=True, index=True)
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item_id = Column(Integer, ForeignKey("items.id"), nullable=True)
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paid_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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created_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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version = Column(Integer, nullable=False, default=1, server_default='1')
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paid_by_user = relationship("User", foreign_keys=[paid_by_user_id], back_populates="expenses_paid")
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created_by_user = relationship("User", foreign_keys=[created_by_user_id], back_populates="expenses_created")
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list = relationship("List", foreign_keys=[list_id], back_populates="expenses")
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group = relationship("Group", foreign_keys=[group_id], back_populates="expenses")
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item = relationship("Item", foreign_keys=[item_id], back_populates="expenses")
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splits = relationship("ExpenseSplit", back_populates="expense")
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parent_expense = relationship("Expense", remote_side=[id], back_populates="child_expenses")
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child_expenses = relationship("Expense", back_populates="parent_expense")
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overall_settlement_status = Column(SAEnum(ExpenseOverallStatusEnum, name="expenseoverallstatusenum", create_type=True), nullable=False, server_default=ExpenseOverallStatusEnum.unpaid.value, default=ExpenseOverallStatusEnum.unpaid)
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is_recurring = Column(Boolean, default=False, nullable=False)
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recurrence_pattern_id = Column(Integer, ForeignKey("recurrence_patterns.id"), nullable=True)
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recurrence_pattern = relationship("RecurrencePattern", back_populates="expenses", uselist=False) # One-to-one
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next_occurrence = Column(DateTime(timezone=True), nullable=True) # For recurring expenses
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parent_expense_id = Column(Integer, ForeignKey("expenses.id"), nullable=True)
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last_occurrence = Column(DateTime(timezone=True), nullable=True)
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__table_args__ = (
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CheckConstraint('group_id IS NOT NULL OR list_id IS NOT NULL', name='ck_expense_group_or_list'),
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)
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class ExpenseSplit(Base, SoftDeleteMixin):
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__tablename__ = "expense_splits"
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__table_args__ = (
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UniqueConstraint('expense_id', 'user_id', name='uq_expense_user_split'),
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Index('ix_expense_splits_user_id', 'user_id'), # For looking up user's splits
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)
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id = Column(Integer, primary_key=True, index=True)
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expense_id = Column(Integer, ForeignKey("expenses.id"), nullable=False)
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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owed_amount = Column(Numeric(10, 2), nullable=False)
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share_percentage = Column(Numeric(5, 2), nullable=True)
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share_units = Column(Integer, nullable=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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expense = relationship("Expense", back_populates="splits")
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user = relationship("User", foreign_keys=[user_id], back_populates="expense_splits")
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settlement_activities = relationship("SettlementActivity", back_populates="split")
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status = Column(SAEnum(ExpenseSplitStatusEnum, name="expensesplitstatusenum", create_type=True), nullable=False, server_default=ExpenseSplitStatusEnum.unpaid.value, default=ExpenseSplitStatusEnum.unpaid)
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paid_at = Column(DateTime(timezone=True), nullable=True)
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class Settlement(Base):
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__tablename__ = "settlements"
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id = Column(Integer, primary_key=True, index=True)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=False, index=True)
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paid_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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paid_to_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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amount = Column(Numeric(10, 2), nullable=False)
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settlement_date = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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description = Column(Text, nullable=True)
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created_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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version = Column(Integer, nullable=False, default=1, server_default='1')
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group = relationship("Group", foreign_keys=[group_id], back_populates="settlements")
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payer = relationship("User", foreign_keys=[paid_by_user_id], back_populates="settlements_made")
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payee = relationship("User", foreign_keys=[paid_to_user_id], back_populates="settlements_received")
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created_by_user = relationship("User", foreign_keys=[created_by_user_id], back_populates="settlements_created")
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__table_args__ = (
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CheckConstraint('paid_by_user_id != paid_to_user_id', name='chk_settlement_different_users'),
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)
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class SettlementActivity(Base):
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__tablename__ = "settlement_activities"
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id = Column(Integer, primary_key=True, index=True)
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expense_split_id = Column(Integer, ForeignKey("expense_splits.id"), nullable=False, index=True)
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paid_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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paid_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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amount_paid = Column(Numeric(10, 2), nullable=False)
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created_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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split = relationship("ExpenseSplit", back_populates="settlement_activities")
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payer = relationship("User", foreign_keys=[paid_by_user_id], backref="made_settlement_activities")
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creator = relationship("User", foreign_keys=[created_by_user_id], backref="created_settlement_activities")
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__table_args__ = (
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Index('ix_settlement_activity_expense_split_id', 'expense_split_id'),
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Index('ix_settlement_activity_paid_by_user_id', 'paid_by_user_id'),
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Index('ix_settlement_activity_created_by_user_id', 'created_by_user_id'),
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)
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# --- Chore Model ---
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class Chore(Base, SoftDeleteMixin):
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__tablename__ = "chores"
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id = Column(Integer, primary_key=True, index=True)
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type = Column(SAEnum(ChoreTypeEnum, name="choretypeenum", create_type=True), nullable=False)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=True, index=True)
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name = Column(String, nullable=False, index=True)
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description = Column(Text, nullable=True)
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created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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parent_chore_id = Column(Integer, ForeignKey('chores.id'), nullable=True, index=True)
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frequency = Column(SAEnum(ChoreFrequencyEnum, name="chorefrequencyenum", create_type=True), nullable=False)
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custom_interval_days = Column(Integer, nullable=True)
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next_due_date = Column(Date, nullable=False)
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last_completed_at = Column(DateTime(timezone=True), nullable=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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group = relationship("Group", back_populates="chores")
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creator = relationship("User", back_populates="created_chores")
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assignments = relationship("ChoreAssignment", back_populates="chore")
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history = relationship("ChoreHistory", back_populates="chore")
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parent_chore = relationship("Chore", remote_side=[id], back_populates="child_chores")
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child_chores = relationship("Chore", back_populates="parent_chore")
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# --- ChoreAssignment Model ---
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class ChoreAssignment(Base, SoftDeleteMixin):
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__tablename__ = "chore_assignments"
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id = Column(Integer, primary_key=True, index=True)
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chore_id = Column(Integer, ForeignKey("chores.id"), nullable=False, index=True)
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assigned_to_user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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due_date = Column(Date, nullable=False)
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is_complete = Column(Boolean, default=False, nullable=False)
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completed_at = Column(DateTime(timezone=True), nullable=True)
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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chore = relationship("Chore", back_populates="assignments")
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assigned_user = relationship("User", back_populates="assigned_chores")
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history = relationship("ChoreAssignmentHistory", back_populates="assignment")
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time_entries = relationship("TimeEntry", back_populates="assignment")
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# === NEW: RecurrencePattern Model ===
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class RecurrencePattern(Base, SoftDeleteMixin):
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__tablename__ = "recurrence_patterns"
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id = Column(Integer, primary_key=True, index=True)
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type = Column(SAEnum(RecurrenceTypeEnum, name="recurrencetypeenum", create_type=True), nullable=False)
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interval = Column(Integer, default=1, nullable=False)
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days_of_week = Column(String, nullable=True)
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end_date = Column(DateTime(timezone=True), nullable=True)
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max_occurrences = Column(Integer, nullable=True)
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|
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created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
|
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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|
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expenses = relationship("Expense", back_populates="recurrence_pattern")
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|
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# === END: RecurrencePattern Model ===
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|
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# === NEW: Chore History Models ===
|
|
|
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class ChoreHistory(Base):
|
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__tablename__ = "chore_history"
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|
|
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id = Column(Integer, primary_key=True, index=True)
|
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chore_id = Column(Integer, ForeignKey("chores.id"), nullable=True, index=True)
|
|
group_id = Column(Integer, ForeignKey("groups.id"), nullable=True, index=True)
|
|
event_type = Column(SAEnum(ChoreHistoryEventTypeEnum, name="chorehistoryeventtypeenum", create_type=True), nullable=False)
|
|
event_data = Column(JSONB, nullable=True)
|
|
changed_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
|
|
timestamp = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
|
|
|
|
chore = relationship("Chore", back_populates="history")
|
|
group = relationship("Group", back_populates="chore_history")
|
|
changed_by_user = relationship("User", back_populates="chore_history_entries")
|
|
|
|
class ChoreAssignmentHistory(Base):
|
|
__tablename__ = "chore_assignment_history"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
assignment_id = Column(Integer, ForeignKey("chore_assignments.id"), nullable=False, index=True)
|
|
event_type = Column(SAEnum(ChoreHistoryEventTypeEnum, name="chorehistoryeventtypeenum", create_type=True), nullable=False)
|
|
event_data = Column(JSONB, nullable=True)
|
|
changed_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
|
|
timestamp = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
|
|
|
|
assignment = relationship("ChoreAssignment", back_populates="history")
|
|
changed_by_user = relationship("User", back_populates="assignment_history_entries")
|
|
|
|
# --- New Models from Roadmap ---
|
|
|
|
class FinancialAuditLog(Base):
|
|
__tablename__ = 'financial_audit_log'
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
timestamp = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
|
|
user_id = Column(Integer, ForeignKey('users.id'), nullable=True)
|
|
action_type = Column(String, nullable=False, index=True)
|
|
entity_type = Column(String, nullable=False)
|
|
entity_id = Column(Integer, nullable=False)
|
|
details = Column(JSONB, nullable=True)
|
|
|
|
user = relationship("User", back_populates="financial_audit_logs")
|
|
|
|
class Category(Base, SoftDeleteMixin):
|
|
__tablename__ = 'categories'
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
name = Column(String, nullable=False, index=True)
|
|
user_id = Column(Integer, ForeignKey('users.id'), nullable=True)
|
|
group_id = Column(Integer, ForeignKey('groups.id'), nullable=True)
|
|
|
|
user = relationship("User", back_populates="categories")
|
|
items = relationship("Item", back_populates="category")
|
|
|
|
__table_args__ = (UniqueConstraint('name', 'user_id', 'group_id', name='uq_category_scope'),)
|
|
|
|
class TimeEntry(Base, SoftDeleteMixin):
|
|
__tablename__ = 'time_entries'
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
chore_assignment_id = Column(Integer, ForeignKey('chore_assignments.id'), nullable=False)
|
|
user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
|
|
start_time = Column(DateTime(timezone=True), nullable=False)
|
|
end_time = Column(DateTime(timezone=True), nullable=True)
|
|
duration_seconds = Column(Integer, nullable=True)
|
|
|
|
assignment = relationship("ChoreAssignment", back_populates="time_entries")
|
|
user = relationship("User", back_populates="time_entries")
|