balance-application/service/balance_service.py

113 lines
2.1 KiB
Python

import psycopg2
from pydantic import BaseModel
from util.config import conn_param
class Balance(BaseModel):
name: str
date: int
price: int
buy: bool = True
memo: str = ""
class UpdateForm(BaseModel):
name: str = ""
date: int = 0
price: int = 0
buy: bool = True
memo: str = ""
class BalanceService:
def __init__(self):
self._conn = psycopg2.connect(conn_param)
def create(self, username: str, balance: Balance):
ok = True
cur = self._conn.cursor()
try:
cur.execute(
"insert into balset(name, uid, date, price, buy, memo) values (%s, %s, %s, %s, %s, %s);",
(balance.name, username, balance.date, balance.price, balance.buy, balance.memo)
)
self._conn.commit()
except:
self._conn.rollback()
ok = False
finally:
cur.close()
self._conn.close()
return ok
def query(self):
cur = self._conn.cursor()
cur.execute("select id, name, date, price, buy, memo from balset;")
raw = cur.fetchall()
data = []
if len(raw) == 0:
return None
for d in raw:
data.append({
"id": d[0],
"name": d[1],
"date": d[2],
"price": d[3],
"buy": d[4],
"memo": d[5]
})
return data
def read(self, id: int):
cur = self._conn.cursor()
cur.execute("select id, name, date, price, buy, memo from balset where id = %s;", (id))
data = cur.fetchone()
if data == None:
return None
cur.close()
self._conn.close()
return {
"id": data[0],
"name": data[1],
"date": data[2],
"price": data[3],
"buy": data[4],
"memo": data[5]
}
def update(self, id: int, act: str, balance: UpdateForm):
ok = True
cur = self._conn.cursor()
try:
cur.execute(f"update balset set {act} = %s where id = %s;", (balance[act], id))
self._conn.commit()
except:
self._conn.rollback()
ok = False
finally:
cur.close()
self._conn.close()
return ok
def delete(self, id: int):
ok = True
cur = self._conn.cursor()
try:
cur.execute("delete from balset where id = %s;", (id))
self._conn.commit()
except:
self._conn.rollback()
ok = False
finally:
cur.close()
self._conn.close()
return ok