109 lines
2.7 KiB
Python
109 lines
2.7 KiB
Python
"""
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User Repository - Data Access Layer for User operations
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Following Python Quick Start Guide:
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- Repository layer contains ONLY database operations
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- No business logic (that goes in services)
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- Simple CRUD operations and queries
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"""
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from typing import Optional, List, Dict, Any
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from app.core.database import db
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from models import User
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class UserRepository:
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"""
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User repository - handles all User database operations.
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Responsibilities:
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- CRUD operations
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- Database queries
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- No business logic
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"""
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def __init__(self, db_session=None):
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"""Initialize repository with database session."""
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self.db = db_session or db.session
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def find_by_id(self, user_id: int) -> Optional[User]:
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"""Find user by ID."""
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return User.query.get(user_id)
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def find_by_username(self, username: str) -> Optional[User]:
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"""Find user by username."""
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return User.query.filter_by(username=username).first()
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def find_by_email(self, email: str) -> Optional[User]:
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"""Find user by email."""
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return User.query.filter_by(email=email).first()
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def find_all(self, page: int = 1, per_page: int = 50) -> Any:
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"""
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Find all users with pagination.
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Returns:
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Pagination object with users
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"""
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return User.query.order_by(User.id.desc()).paginate(
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page=page,
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per_page=per_page,
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error_out=False
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)
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def count_all(self) -> int:
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"""Count total users."""
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return User.query.count()
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def count_active(self) -> int:
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"""Count active users."""
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return User.query.filter_by(is_active=True).count()
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def count_inactive(self) -> int:
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"""Count inactive users."""
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return User.query.filter_by(is_active=False).count()
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def count_admins(self) -> int:
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"""Count admin users."""
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return User.query.filter_by(is_admin=True).count()
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def create(self, user: User) -> User:
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"""
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Create a new user.
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Args:
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user: User object to create
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Returns:
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Created user with ID
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"""
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self.db.add(user)
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self.db.commit()
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return user
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def update(self, user: User) -> User:
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"""
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Update an existing user.
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Args:
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user: User object with updated fields
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Returns:
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Updated user
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"""
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self.db.commit()
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return user
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def delete(self, user: User) -> None:
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"""
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Delete a user.
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Args:
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user: User object to delete
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"""
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self.db.delete(user)
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self.db.commit()
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def rollback(self) -> None:
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"""Rollback current transaction."""
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self.db.rollback()
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