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@vodkar vodkar commented Sep 12, 2025

Duration: 7.30
Iterations count: 99

@Copilot Copilot AI review requested due to automatic review settings September 12, 2025 22:08
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Pull Request Overview

This PR implements a comprehensive backend task that introduces wallet and transaction functionality, while also adding extensive code quality improvements through linting and testing enhancements. The implementation includes wallet management with multiple currency support, transaction processing with currency conversion, and significant refactoring for better maintainability.

  • Adds wallet and transaction models with support for USD, EUR, and RUB currencies
  • Implements wallet creation, transaction processing, and currency conversion with fees
  • Refactors codebase with improved error handling, constants extraction, and comprehensive test coverage

Reviewed Changes

Copilot reviewed 46 out of 50 changed files in this pull request and generated 5 comments.

Show a summary per file
File Description
backend/app/models.py Adds Wallet and Transaction models with currency enums and validation
backend/app/crud.py Implements wallet and transaction CRUD operations with currency conversion logic
backend/app/api/routes/wallets.py New wallet management endpoints for creation and retrieval
backend/app/api/routes/transactions.py New transaction endpoints for wallet operations
backend/app/constants.py New file defining HTTP status codes and application constants
pyproject.toml Root-level project configuration with strict linting and type checking
setup.cfg Flake8 configuration for code quality enforcement

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user = crud.create_user(session=session, user_create=user_in)
if settings.emails_enabled and user_in.email:
if not settings.emails_enabled and user_in.email:
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Logic error: The condition should be if settings.emails_enabled and user_in.email: to send emails when they are enabled, not when they are disabled.

Suggested change
if not settings.emails_enabled and user_in.email:
if settings.emails_enabled and user_in.email:

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raise HTTPException(
status_code=409, detail="User with this email already exists"
status_code=CONFLICT_CODE,
detail="models.User with this email already exists",
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Error message includes 'models.User' which exposes internal implementation details. Should be simplified to 'User with this email already exists'.

Suggested change
detail="models.User with this email already exists",
detail="User with this email already exists",

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session.delete(current_user)
session.commit()
return Message(message="User deleted successfully")
return models.Message(message="models.User deleted successfully")
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Message includes 'models.User' which exposes internal implementation details. Should be simplified to 'User deleted successfully'.

Suggested change
return models.Message(message="models.User deleted successfully")
return models.Message(message="User deleted successfully")

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password: str,
) -> dict[str, str]:
"""Authenticate a user and return headers."""
login_data = {"username": username, USER_PASSWORD_KEY: password}
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The login_data dictionary uses USER_PASSWORD_KEY as a key, but it should be the string 'password'. The constant should be used for the value, not the key name.

Suggested change
login_data = {"username": username, USER_PASSWORD_KEY: password}
login_data = {"username": username, "password": password}

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Comment on lines +225 to +226
statement = delete(models.Item).where(col(models.Item.owner_id) == user_id) # noqa: WPS221
session.execute(statement) # type: ignore[deprecated]
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Manual deletion of related items is unnecessary since the foreign key relationship has cascade delete configured. This code can be removed as the database will handle cascading deletes automatically.

Suggested change
statement = delete(models.Item).where(col(models.Item.owner_id) == user_id) # noqa: WPS221
session.execute(statement) # type: ignore[deprecated]

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@vodkar vodkar closed this Sep 12, 2025
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