added unset admin option

src/database/database.py

@@ -91,9 +91,9 @@ def is_admin(self, token_id):
         else:
             return False
 
-    def set_as_admin(self, p):
-        """tags a player as an admin"""
-        self.database.execute("UPDATE players SET is_admin=? WHERE id=?", (1, p.id))
+    def set_admin_status(self, p, status):
+        """tags or untags a player as an admin"""
+        self.database.execute("UPDATE players SET is_admin=? WHERE id=?", (status, p.id))
         self.database.commit()
 
     def get_all_players(self):

src/gui/KickerUi.kv

@@ -398,7 +398,7 @@
         size_hint: 1, 0.1
         on_release: root.hide_player()    
     Button:
-        text: "Adminrechte geben"
+        text: "Adminrechte geben/entfernen"
         size_hint: 1, 0.1
         on_release: root.admin_player()   
     Button:
@@ -483,7 +483,7 @@
                 on_release: root.on_ok()
 
 <AdminPlayerPopup>:
-    title: 'Spieler als Admin setzen'
+    title: 'Spieler als Admin setzen/entfernen'
     auto_dismiss: False
     enable_ok: True
     size_hint: None, None
@@ -515,7 +515,6 @@
             on_text: root.validate_input()
             on_text_validate: if root.enable_ok: root.on_ok()
             disabled: True
-            # on_focus: root.on_focus(*args)
         BoxLayout:
             size_hint_y: 0.1
             orientation: 'horizontal'

src/gui/kickerapp.py

@@ -345,7 +345,6 @@ def on_interval(self, time_elapsed):
         token = rfidReader.getAdminToken()
         if token is not None:
             if db.is_admin(token):
-                #print("You are an admin.")
                 self.display_image = 'gui/check.png'
                 self.scan_token_label_text = self.scan_token_label_success_text
                 self.timer.cancel()
@@ -354,18 +353,20 @@ def on_interval(self, time_elapsed):
                 self.validate_input()
             else:
                 self.scan_token_label_text = self.scan_token_label_error_text
-                #print("You are not an admin!")
 
     def on_ok(self):
-        db.set_as_admin(db.get_player_by_name(self.player_name.text))
+        player = db.get_player_by_name(self.player_name.text)
+        if(db.is_admin(player.tokenID)):
+            db.set_admin_status(player,False)    
+        else:
+            db.set_admin_status(player,True)
         self.admin_list.refresh()
         self.dismiss()
 
     def on_dismiss(self):
         self.timer.cancel()
 
     def validate_input(self):
-        #print(self.player_name.text)
         if self.player_name.text:
             player = db.get_player_by_name(self.player_name.text)
             if player is None: