Finished migrated from icon-font to SVG

app/Http/Controllers/HomeController.php

@@ -2,6 +2,7 @@
 
 use Activity;
 use BookStack\Repos\EntityRepo;
+use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use Views;
 
@@ -88,6 +89,27 @@ class HomeController extends Controller
         ]);
     }
 
+    /**
+     * Get an icon via image request.
+     * Can provide a 'color' parameter with hex value to color the icon.
+     * @param $iconName
+     * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Symfony\Component\HttpFoundation\Response
+     */
+    public function getIcon($iconName, Request $request)
+    {
+        $attrs = [];
+        if ($request->filled('color')) {
+            $attrs['fill'] = '#' . $request->get('color');
+        }
+
+        $icon = icon($iconName, $attrs);
+        return response($icon, 200, [
+            'Content-Type' => 'image/svg+xml',
+            'Cache-Control' => 'max-age=3600',
+        ]);
+    }
+
     /**
      * Get custom head HTML, Used in ajax calls to show in editor.
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View

app/helpers.php

@@ -149,15 +149,18 @@ function theme_path($path = '')
  * Get fetch an SVG icon as a string.
  * Checks for icons defined within a custom theme before defaulting back
  * to the 'resources/assets/icons' folder.
+ *
+ * Returns an empty string if icon file not found.
  * @param $name
  * @param array $attrs
  * @return mixed
  */
 function icon($name, $attrs = [])
 {
-    $attrs = array_merge($attrs, [
-        'class' => 'svg-icon'
-    ]);
+    $attrs = array_merge([
+        'class' => 'svg-icon',
+        'data-icon' => $name
+    ], $attrs);
     $attrString = ' ';
     foreach ($attrs as $attrName => $attr) {
         $attrString .=  $attrName . '="' . $attr . '" ';
@@ -167,6 +170,8 @@ function icon($name, $attrs = [])
     $themeIconPath = theme_path('icons/' . $name . '.svg');
     if ($themeIconPath && file_exists($themeIconPath)) {
         $iconPath = $themeIconPath;
+    } else if (!file_exists($iconPath)) {
+        return '';
     }
 
     $fileContents = file_get_contents($iconPath);