munch-ease-backend/persons/db.py

86 lines
1.8 KiB
Python

from typing import AsyncIterator, ClassVar, List, Optional
from pydantic import BaseModel
class Person(BaseModel):
KEYS: ClassVar[List[str]] = ["id", "name"]
id: int = -1
name: str
async def create(conn):
await conn.execute(
"""
CREATE TABLE IF NOT EXISTS Person (
id INTEGER PRIMARY KEY,
name TEXT UNIQUE
);"""
)
async def search_by_name(conn, name: str) -> AsyncIterator[Person]:
async with conn.execute(
"""
SELECT id, name
FROM Person
WHERE name LIKE ?
""",
(f"%{name}%",),
) as cursor:
async for row in cursor:
yield Person(id=row[0], name=row[1])
async def get_by_name(conn, name: str) -> Optional[Person]:
cursor = await conn.execute(
"""
SELECT id, name
FROM Person
WHERE name = ?
""",
(name,),
)
row = await cursor.fetchone()
if not row:
return None
return Person(id=row[0], name=row[1])
async def get_by_id(conn, id: int) -> Optional[Person]:
cursor = await conn.execute(
"""
SELECT id, name
FROM Person
WHERE id = ?
""",
(id,),
)
row = await cursor.fetchone()
if not row:
return None
return Person(id=row[0], name=row[1])
async def get_all(conn) -> AsyncIterator[Person]:
async with conn.execute(
"""
SELECT id, name
FROM Person
"""
) as cursor:
async for row in cursor:
yield Person(id=row[0], name=row[1])
async def insert_person(conn, person: Person) -> Person:
cursor = await conn.execute(
"""
INSERT INTO Person (name)
VALUES (?)
""",
(person.name,),
)
person.id = cursor.lastrowid
return person