From 356b1a7f7cc29f1515d5bd2e100920cd99349b7f Mon Sep 17 00:00:00 2001
From: marcusferl <marcusferl@web.de>
Date: Fri, 18 Mar 2022 22:07:50 +0100
Subject: [PATCH] 18.3.2022

---
 database.py            | 26 +++++++++++++++------
 database_connection.py |  7 ++++--
 database_menu.py       | 53 ++++++++++++++++++++++++------------------
 3 files changed, 55 insertions(+), 31 deletions(-)

diff --git a/database.py b/database.py
index a85783f..3872e2e 100644
--- a/database.py
+++ b/database.py
@@ -5,18 +5,14 @@ import mysql.connector
 
 # Create Database or Table
 def create(db_cursor, name, type_):
-    query = f'CREATE {type_} {name}'
+    query = f'CREATE {type_} {name};'
+    print(query)
     try:
         db_cursor.execute(query)
     except mysql.connector.Error as err:
         print('Something went wrong', err)
 
 
-def add(db_cursor, name, type_):
-    # TODO
-    return
-
-
 def read(db_cursor, name, type_):
     # TODO
     return
@@ -28,10 +24,26 @@ def update(db_cursor, name, type_):
 
 
 def del_(db_cursor, name, type_):
-    query = f'DROP if exists {type_} {name}'
+    query = f'DROP {type_} IF EXISTS {name};'
     try:
         db_cursor.execute(query)
     except mysql.connector.Error as err:
         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 show(db_cursor, type_):
+    query = f'SHOW {type_};'
+    try:
+        db_cursor.execute(query)
+    except mysql.connector.Error as err:
+        print('Something went wrong', err)
+
+
+
diff --git a/database_connection.py b/database_connection.py
index adb22ff..03937b7 100644
--- a/database_connection.py
+++ b/database_connection.py
@@ -1,9 +1,11 @@
-# TODO Database verbindung herstellen
+
 
 import mysql.connector
 
 
 # Aufbau der verbindung zum Mysql Server
+
+
 def db_connection(user, password, host):
     connection = ''
 
@@ -13,4 +15,5 @@ def db_connection(user, password, host):
     except mysql.connector.Error as err:
         print('Something went wrong', err)
         print('Veruche deinen Mysql Server neu zu starten')
-    return connection.cursor()
+    return connection
+
diff --git a/database_menu.py b/database_menu.py
index b205b35..2f596a5 100644
--- a/database_menu.py
+++ b/database_menu.py
@@ -6,32 +6,38 @@ import main_menu
 
 # Datenbank Menü
 def menu():
-    enable_menu = True
+
     selection = {0: 'Datenbanken anzeigen', 1: 'Datenbank erstellen', 2: 'Datenbank löschen', 3: 'Datenbank umbenennen',
-                 4: 'Datenbank auselesen',
+                 4: 'Datenbanken benutzen',
                  5: 'Tabelle erstellen', 6: 'Tabelle umbenennen', 7: 'Tabelle löschen', 8: 'Tabelle auslesen',
-                 9: 'In Tabelle einfügen', 10: 'Tabellen anzeigen', 11: 'Zurück zum Hauptmenü', 12 : 'Frage/Antwort hinzufügen'}
+                 9: 'In Tabelle einfügen', 10: 'Tabellen anzeigen', 11: 'Frage/Antwort hinzufügen', 12: 'Zurück zum Hauptmenü'}
 
     print('#Datenbank Menü# \n'
           '\nWas möchtest du tun?\n')
 
-    while enable_menu:
-        cursor = database_connection.db_connection(config.user, config.password, config.host)
+    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)
-        selection_number = int(input('Bitte Auswahl treffen'))
+        selection_number = int(input('\nBitte Auswahl treffen\n'))
 
         match selection_number:
+            case 0:
+                use_type = 'DATABASES'
+                database.show(cursor, use_type)
+                print('# Dataenbanken #')
+                print(str(cursor.fetchall()).replace(',', ''))
             case 1:
-                _type = 'DATABASE'
-                print('#Datenbank erstellen#')
-                database_name = input('Wie soll die Datenbank heißen?')
-                database.create(cursor, database_name, _type)
+                use_type = 'DATABASE'
+                print('# Datenbank erstellen #\n')
+                database_name = input('Wie soll die Datenbank heißen?\n')
+                database.create(cursor, database_name, use_type)
             case 2:
-                _type = 'DATABASE'
-                print('#Datenbank löschen#')  # Platzhalter für die Funktion
-                database_name = input('Welche Datenbank soll gelöscht werden?')
-                database.del_(cursor, database_name, _type)
+                use_type = 'DATABASE'
+                print('# Datenbank löschen #\n')  # Platzhalter für die Funktion
+                database_name = input('Welche Datenbank soll gelöscht werden?\n')
+                database.del_(cursor, database_name, use_type)
             case 3:
                 # TODO Funktion
                 return
@@ -39,10 +45,10 @@ def menu():
                 # TODO Funktion
                 return
             case 5:
-                _type = 'TABLE'
-                print('#Tabelle erstellen#')
-                table_name = input('Wie soll die Datenbank heißen?')
-                database.create(cursor, table_name, _type)
+                use_type = 'TABLE'
+                print('# Tabelle erstellen #\n')
+                table_name = input('Wie soll die Datenbank heißen?\n')
+                database.create(cursor, table_name, use_type)
             case 6:
                 # TODO Funktion
                 return
@@ -59,9 +65,12 @@ def menu():
                 # TODO Funktion
                 return
             case 11:
-                main_menu.main_menu()
+                table_name = str(input('Bitte den Tabellennamen angeben\n'))
+                print("#Fragen und Antworten hinzufügen #\n")
+                question = str(input('Bitte die Frage eingeben\n'))
+                answer = str(input('Bitte die dazugehörige antwort eingeben\n'))
+                database.add(cursor, table_name, question, answer)
             case 12:
-                # TODO Funktion
-                return
+                main_menu.main_menu()
+
 
-        break