Integrated favicon handler with correct files & actions

Format does not look 100% correct though, won't show in Firefox/gimp.

app/Settings/AppSettingsStore.php

@@ -51,6 +51,8 @@ class AppSettingsStore
                 $this->destroyExistingSettingImage('app-icon-' . $size);
                 setting()->remove('app-icon-' . $size);
             }
+
+            $this->faviconHandler->restoreOriginal();
         }
     }
 

app/Uploads/FaviconHandler.php

@@ -17,19 +17,32 @@ class FaviconHandler
      */
     public function saveForUploadedImage(UploadedFile $file): void
     {
+        $targetPath = public_path('favicon.ico');
+        if (!is_writeable($targetPath)) {
+            return;
+        }
+
         $imageData = file_get_contents($file->getRealPath());
         $image = $this->imageTool->make($imageData);
         $image->resize(32, 32);
         $bmpData = $image->encode('bmp');
         $icoData = $this->bmpToIco($bmpData, 32, 32);
 
-        // TODO - Below are test paths
-        file_put_contents(public_path('uploads/test.ico'), $icoData);
-        file_put_contents(public_path('uploads/test.bmp'), $bmpData);
+        file_put_contents($targetPath, $icoData);
+    }
 
-        // TODO - Permission check for icon overwrite
-        // TODO - Write to correct location
-        // TODO - Handle deletion and restore of original icon on user icon clear
+    /**
+     * Restore the original favicon image.
+     */
+    public function restoreOriginal(): void
+    {
+        $targetPath = public_path('favicon.ico');
+        $original = public_path('icon.ico');
+        if (!is_writeable($targetPath)) {
+            return;
+        }
+
+        copy($original, $targetPath);
     }
 
     /**

tests/Settings/SettingsTest.php

@@ -52,6 +52,10 @@ class SettingsTest extends TestCase
         $this->assertFalse(setting()->get('app-icon-128'));
         $this->assertFalse(setting()->get('app-icon-64'));
         $this->assertFalse(setting()->get('app-icon-32'));
+        $this->assertEquals(
+            file_get_contents(public_path('icon.ico')),
+            file_get_contents(public_path('favicon.ico')),
+        );
 
         $prevFileCount = count(glob(dirname($expectedPath) . DIRECTORY_SEPARATOR . '*.png'));
 
@@ -71,6 +75,11 @@ class SettingsTest extends TestCase
         $resp = $this->get('/');
         $this->withHtml($resp)->assertElementCount('link[sizes][href*="my-app-icon"]', 6);
 
+        $this->assertNotEquals(
+            file_get_contents(public_path('icon.ico')),
+            file_get_contents(public_path('favicon.ico')),
+        );
+
         $reset = $this->post('/settings/customization', ['app_icon_reset' => 'true']);
         $reset->assertRedirect('/settings/customization');
 
@@ -81,5 +90,10 @@ class SettingsTest extends TestCase
         $this->assertFalse(setting()->get('app-icon-128'));
         $this->assertFalse(setting()->get('app-icon-64'));
         $this->assertFalse(setting()->get('app-icon-32'));
+
+        $this->assertEquals(
+            file_get_contents(public_path('icon.ico')),
+            file_get_contents(public_path('favicon.ico')),
+        );
     }
 }