Fix Linting Issues

Author: jakobkoerber

lib/base/enums/search_category.dart

@@ -60,8 +60,6 @@ extension SearchCategoryExtension on SearchCategory {
         return context.tr("rooms");
       case SearchCategory.studentClub:
         return "Student Clubs";
-      default:
-        return context.tr("unknown");
     }
   }
 

lib/base/extensions/color.dart

@@ -0,0 +1,19 @@
+import 'dart:ui';
+
+extension IntColorComponents on Color {
+  int get intValue {
+    return _floatToInt8(a) << 24 |
+        _floatToInt8(r) << 16 |
+        _floatToInt8(g) << 8 |
+        _floatToInt8(b) << 0;
+  }
+
+  int get intAlpha => _floatToInt8(a);
+  int get intRed => _floatToInt8(r);
+  int get intGreen => _floatToInt8(g);
+  int get intBlue => _floatToInt8(b);
+
+  int _floatToInt8(double x) {
+    return (x * 255.0).round() & 0xff;
+  }
+}

lib/calendarComponent/model/calendar_event.dart

@@ -1,3 +1,4 @@
+import 'package:campus_flutter/base/extensions/color.dart';
 import 'package:campus_flutter/base/theme/constants.dart';
 import 'package:campus_flutter/base/util/read_list_value.dart';
 import 'package:campus_flutter/searchComponent/model/comparison_token.dart';
@@ -77,7 +78,7 @@ class CalendarEvent extends Searchable {
   }
 
   void setColor(Color? color) {
-    this.color = color?.value;
+    this.color = color?.intValue;
   }
 
   Color getColor() {

lib/calendarComponent/services/calendar_preference_service.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:campus_flutter/base/extensions/color.dart';
 import 'package:campus_flutter/calendarComponent/model/calendar_preferences.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -16,7 +17,7 @@ class CalendarPreferenceService {
   CalendarPreferenceService(this.sharedPreferences);
 
   void saveColorPreference(String id, Color color) {
-    colorPreferences[id] = color.value;
+    colorPreferences[id] = color.intValue;
     try {
       sharedPreferences.setString(
         key,

lib/calendarComponent/views/calendar_event_view.dart

@@ -1,6 +1,5 @@
 import 'package:campus_flutter/base/util/diagonalStripePattern/diagonal_stripe_pattern_view.dart';
 import 'package:campus_flutter/calendarComponent/model/calendar_event.dart';
-import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 
 class CalendarEventView extends StatelessWidget {

lib/searchComponent/protocols/global_search.dart

@@ -92,7 +92,7 @@ class GlobalSearch {
     if (result.contains(null)) {
       return null;
     } else {
-      return result.whereNotNull().toList();
+      return result.nonNulls.toList();
     }
   }
 

lib/searchComponent/views/search_result_view_builder.dart

@@ -49,8 +49,6 @@ class SearchResultViewBuilder extends StatelessWidget {
         return PersonSearchResultView(searchVM: searchVM);
       case SearchCategory.rooms:
         return NavigaTumSearchResultView(searchVM: searchVM);
-      default:
-        return Container();
     }
   }
 }

lib/studentCardComponent/views/student_card_view.dart

@@ -78,7 +78,7 @@ class StudentCardView extends ConsumerWidget {
   Widget _warningCard(BuildContext context) {
     return CardWithPadding(
       elevation: 0,
-      color: context.primaryColor.withOpacity(0.2),
+      color: context.primaryColor.withValues(alpha: 0.2),
       child: Row(
         mainAxisAlignment: MainAxisAlignment.center,
         crossAxisAlignment: CrossAxisAlignment.center,