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GymDb.py
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GymDb.py
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import random
from sqlalchemy import Connection, text
from sqlalchemy.exc import SQLAlchemyError
class GymDb:
DbName = "GymDb"
DbMakeFile = "GymDbMaker.txt"
def __init__(self, sqlConn: Connection):
self.sqlConn = sqlConn
self.createDatabase()
self.executeStatement(f"use {GymDb.DbName};", printError=False)
def isDatabaseExists(self):
result = self.executeStatement("show databases;", printError=False).scalars().all()
return GymDb.DbName.lower() in result
def createDatabase(self, forceCreate=False):
if self.isDatabaseExists():
if forceCreate:
self.dropExamBoard()
else:
return
with open(GymDb.DbMakeFile) as file:
allQuery = file.read().replace("\n", "").replace("\t", "") \
.replace(" ", "").split(";")
try:
for query in allQuery: self.sqlConn.execute(text(query))
except Exception as e:
print("Error on creating database: ", e)
def executeStatement(self, statement, commit=False, printError=True):
print("Executing:", statement)
try:
result = self.sqlConn.execute(text(statement))
if commit: self.sqlConn.commit()
return result
except SQLAlchemyError as error:
if printError: print(f"Error while executing: {statement}\n{error}")
def insertMember(self, name, email, password, startDate):
statement = f"INSERT INTO Members (name, email, password, startDate) VALUES ('{name}', '{email}', '{password}', '{startDate}');"
self.executeStatement(statement, True)
def insertTrainers(self, name, email, password, startDate):
statement = f"INSERT INTO Trainers (name, email, password, startDate) VALUES ('{name}', '{email}', '{password}', '{startDate}');"
self.executeStatement(statement, True)
def dropExamBoard(self):
self.executeStatement(f"drop database {GymDb.DbName};", printError=False)