didier/database/crud/github.py

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from typing import Optional
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import sqlalchemy.exc
from sqlalchemy import delete, select
from sqlalchemy.ext.asyncio import AsyncSession
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from database.exceptions import (
DuplicateInsertException,
Forbidden,
NoResultFoundException,
)
from database.schemas import GitHubLink
__all__ = ["add_github_link", "delete_github_link_by_id", "get_github_links"]
async def add_github_link(session: AsyncSession, user_id: int, url: str) -> GitHubLink:
"""Add a new GitHub link into the database"""
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try:
gh_link = GitHubLink(user_id=user_id, url=url)
session.add(gh_link)
await session.commit()
await session.refresh(gh_link)
except sqlalchemy.exc.IntegrityError:
raise DuplicateInsertException
return gh_link
async def delete_github_link_by_id(session: AsyncSession, user_id: int, link_id: int):
"""Remove an existing link from the database
You can only remove links owned by you
"""
select_statement = select(GitHubLink).where(GitHubLink.github_link_id == link_id)
gh_link: Optional[GitHubLink] = (await session.execute(select_statement)).scalar_one_or_none()
if gh_link is None:
raise NoResultFoundException
if gh_link.user_id != user_id:
raise Forbidden
delete_statement = delete(GitHubLink).where(GitHubLink.github_link_id == gh_link.github_link_id)
await session.execute(delete_statement)
await session.commit()
async def get_github_links(session: AsyncSession, user_id: int) -> list[GitHubLink]:
"""Get a user's GitHub links"""
statement = select(GitHubLink).where(GitHubLink.user_id == user_id)
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return list((await session.execute(statement)).scalars().all())