Ledger now inherits from Database

Ledger.py

@@ -1,27 +1,43 @@
 import sqlite3
-
-class Ledger():
-    def __init__(self) -> None:
-        self.db = sqlite3.connect("ledger.db")
+class Database():
+    def __init__(self, name, tableCommand) -> None:
+        self.db = sqlite3.connect(name)
         self.data = self.db.cursor()
-        self.data.execute(""" CREATE TABLE IF NOT EXISTS ledger (
+        self.data.execute(tableCommand)
+
+    def read(self, primaryKey, selectQuery):
+        self.data.execute(selectQuery, (primaryKey,))
+        data = self.data.fetchone()
+        return data
+        
+    def write(self, ID, insertQuery):
+        self.data.execute(insertQuery, (ID,))
+        self.db.commit()
+    
+    def update(self, data, newData, updateQuery):
+        data = [data[i] + newData[i] for i in range(len(data))]
+        self.data.execute(updateQuery, data)
+   
+class Ledger(Database):
+    def __init__(self) -> None:
+        tableCommand = """ CREATE TABLE IF NOT EXISTS ledger (
             ID integer PRIMARY KEY,
             USERID integer,
             MONEY integer DEFAULT 100,
             WINS integer DEFAULT 0,
             LOSSES integer DEFAULT 0
-        ); """)
+        ); """
+        super().__init__("ledger.db", tableCommand)
     
     def read(self, ID):
-        self.data.execute("""SELECT USERID, MONEY, WINS, LOSSES FROM ledger WHERE USERID = ?""", (ID,))
-        data = self.data.fetchone()
+        selectQuery = """SELECT USERID, MONEY, WINS, LOSSES FROM ledger WHERE USERID = ?"""
+        data = super().read(ID, selectQuery)
         return data
 
     def write(self, ID):
-        query = """ INSERT INTO ledger(USERID)
+        insertQuery = """ INSERT INTO ledger(USERID)
                     VALUES(?) """
-        self.data.execute(query, (ID,))
-        self.db.commit()
+        super().read(ID, insertQuery)
     
     def update(self, data, newData):
         query = """ UPDATE ledger
@@ -29,8 +45,7 @@ class Ledger():
                         WINS = ?,
                         LOSSES = ?, 
                     WHERE USERID = ?"""
-        data = [data[i] + newData[i] for i in range(len(data))]
-        self.data.execute(query, data)
+        super().update(data, newData, query)
 
 def main():
     pass