minor improvements

src/ez_lan_manager/pages/ContactPage.py

@@ -20,26 +20,22 @@ class ContactPage(Component):
         await self.session.set_title(f"{self.session[ConfigurationService].get_lan_info().name} - Kontakt")
 
     async def on_send_pressed(self) -> None:
+        error_msg = ""
         self.submit_button.is_loading = True
         await self.submit_button.force_refresh()
         now = datetime.now()
         if not self.email_input.text:
-            self.is_send_button_loading = False
-            await self.animated_text.display_text(False, "E-Mail darf nicht leer sein!")
-            return
+            error_msg = "E-Mail darf nicht leer sein!"
+        elif not self.subject_input.text:
+            error_msg = "Betreff darf nicht leer sein!"
+        elif not self.message_input.text:
+            error_msg = "Nachricht darf nicht leer sein!"
+        elif (now - self.last_message_sent[0]) < timedelta(minutes=1):
+            error_msg = "Immer mit der Ruhe!"
 
-        if not self.subject_input.text:
-            self.is_send_button_loading = False
-            await self.animated_text.display_text(False, "Betreff darf nicht leer sein!")
-            return
-
-        if not self.message_input.text:
-            self.is_send_button_loading = False
-            await self.animated_text.display_text(False, "Nachricht darf nicht leer sein!")
-            return
-
-        if (now - self.last_message_sent[0]) < timedelta(minutes=1):
-            await self.animated_text.display_text(False, "Immer mit der Ruhe!")
+        if error_msg:
+            self.submit_button.is_loading = False
+            await self.animated_text.display_text(False, error_msg)
             return
 
         mail_recipient = self.session[ConfigurationService].get_lan_info().organizer_mail