19.3.2022

config.py

@@ -1,6 +1,6 @@
 # TODO Database verbindung herstellen
 
-# Database Verbinungsdaten
+# Database Verbindungsdaten
 
 user = 'root'
 password = ''

database.py

@@ -5,17 +5,22 @@ import mysql.connector
 
 # Create Database or Table
 def create(db_cursor, name, type_):
+    # TODO Fix nötig
     query = f'CREATE {type_} {name};'
-    print(query)
+    if type_ == 'TABLE':
+        query = f'CREATE {type_} {name} (ID integer primary key auto_increment, question varchar(255), answers varchar(255));'
     try:
         db_cursor.execute(query)
     except mysql.connector.Error as err:
         print('Something went wrong', err)
 
 
-def read(db_cursor, name, type_):
-    # TODO
-    return
+def read(db_cursor, name):
+    query = f'SELECT * FROM {name}'
+    try:
+        db_cursor.execute(query)
+    except mysql.connector.Error as err:
+        print('Something went wrong', err)
 
 
 def update(db_cursor, name, type_):
@@ -31,11 +36,12 @@ def del_(db_cursor, name, type_):
         print('Something went wrong', err)
 
 
-def add(db_cursor, name, type_, question, answer):
-    query = f'INSERT INTO {type_} {name} (question, answer)'
-    val = f'values ({question},{answer});'
-    db_cursor.execute(query, val)
-    return
+def add(db_cursor, name, question, answer):
+    query = f'INSERT INTO {name} (question, answer) VALUES ({question}, {answer});'
+    try:
+        db_cursor.execute(query)
+    except mysql.connector.Error as err:
+        print('Something went wrong', err)
 
 
 def show(db_cursor, type_):
@@ -46,4 +52,17 @@ def show(db_cursor, type_):
         print('Something went wrong', err)
 
 
+def use(db_cursor, name):
+    query = f'USE {name};'
+    try:
+        db_cursor.execute(query)
+    except mysql.connector.Error as err:
+        print('Something went wrong', err)
 
+
+def show_tables(db_cursor):
+    query = 'show tables;'
+    try:
+        db_cursor.execute(query)
+    except mysql.connector.Error as err:
+        print('Something went wrong', err)

database_connection.py

@@ -6,12 +6,12 @@ import mysql.connector
 # Aufbau der verbindung zum Mysql Server
 
 
-def db_connection(user, password, host):
+def db_connection(user, password, host, database):
     connection = ''
 
     try:
-        # Verbindung mit die in der Config festgelegt werden
-        connection = mysql.connector.connect(user=user, password=password, host=host)
+        # Verbindung - Eingaben in der config.py bestimmen
+        connection = mysql.connector.connect(user=user, password=password, host=host, database=database)
     except mysql.connector.Error as err:
         print('Something went wrong', err)
         print('Veruche deinen Mysql Server neu zu starten')

database_menu.py

@@ -6,6 +6,7 @@ import main_menu
 
 # Datenbank Menü
 def menu():
+    connection = database_connection.db_connection(config.user, config.password, config.host, None)
 
     selection = {0: ' Datenbanken anzeigen', 1: ' Datenbank erstellen', 2: ' Datenbank löschen', 3: ' Datenbank umbenennen',
                  4: ' Datenbanken benutzen',
@@ -16,7 +17,7 @@ def menu():
           '\nWas möchtest du tun?\n')
 
     while True:
-        connection = database_connection.db_connection(config.user, config.password, config.host)
+
         cursor = connection.cursor()
         for key, value in selection.items():
             print(key, value)
@@ -26,7 +27,7 @@ def menu():
             case 0:
                 use_type = 'DATABASES'
                 database.show(cursor, use_type)
-                print('# Dataenbanken #')
+                print('# Datenbanken #')
                 print(str(cursor.fetchall()).replace(',', ' '))
             case 1:
                 use_type = 'DATABASE'
@@ -42,8 +43,9 @@ def menu():
                 # TODO Funktion
                 return
             case 4:
-                # TODO Funktion
-                return
+                name = input('Welche Datenbank möchtest du benutzen?\n')
+                database.use(cursor, name)
+                connection.database = name
             case 5:
                 use_type = 'TABLE'
                 print('# Tabelle erstellen #\n')
@@ -56,13 +58,16 @@ def menu():
                 # TODO Funktion
                 return
             case 8:
-                # TODO Funktion
-                return
+                print('# Tabelle Auslesen #\n')
+                name = input('Aus welcher Tabelle soll dir alles angezeigt werden?\n')
+                database.read(cursor, name)
+
             case 9:
                 # TODO Funktion
                 return
             case 10:
-                # TODO Funktion
+                database.show_tables(cursor)
+                print(str(cursor.fetchall()).replace(',', ''))
                 return
             case 11:
                 table_name = str(input('Bitte den Tabellennamen angeben\n'))

main_menu.py

@@ -5,7 +5,7 @@ import database_menu
 
 def main_menu():
     enable_menu = True
-    selection = {0: 'Datenbank Menü', 1: 'Zufallsfrage', 2: 'Programm beenden'}
+    selection = {0: 'Datenbank Menü', 1: 'Zufallsfrage', 2: 'Programm beenden\n'}
 
     print('# Main Menü #\n')
     while enable_menu:
@@ -20,5 +20,4 @@ def main_menu():
                 # TODO Starte Zufallsfragenausgabe
                 return
             case 2:
-                # TODO Programm Beenden
-                return
+                break