Add settings page

app/Facades/Options.php

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+<?php
+
+
+namespace App\Facades;
+use \Illuminate\Support\Facades\Facade;
+
+class Options extends Facade
+{
+    public static function getFacadeAccessor()
+    {
+        return 'sm-options';
+    }
+}

app/Helpers/Options.php

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+<?php
+
+
+namespace App\Helpers;
+
+use App\Options as Option;
+use Illuminate\Support\Facades\Cache;
+
+class Options
+{
+
+    public function getOption(string $option): string
+    {
+        $value = Cache::get($option);
+
+        if (is_null($value))
+        {
+            $value = Option::where('option_name', $option)->first();
+            if (is_null($value))
+                throw new \Exception('This option does not exist.');
+
+            Cache::put($option, $value);
+            Cache::put($option . '_desc', 'Undefined description');
+        }
+
+        return $value;
+    }
+
+    public function setOption(string $option, string $value, string $description)
+    {
+       Option::create([
+           'option_name' => $option,
+           'option_value' => $value,
+           'friendly_name' => $description
+       ]);
+
+       Cache::put($option, $value, now()->addDay());
+       Cache::put($option . '_desc', $description, now()->addDay());
+    }
+
+    public function pullOption($option): array
+    {
+        $oldOption = Option::where('option_name', $option)->first();
+        Option::find($oldOption->id)->delete();
+
+        // putMany is overkill here
+        return [
+            Cache::pull($option),
+            Cache::pull($option . '_desc')
+        ];
+    }
+
+    public function changeOption($option, $newValue)
+    {
+        $dbOption = Option::where('option_name', $option);
+
+        if ($dbOption->first())
+        {
+            $dbOptionInstance = Option::find($dbOption->id);
+            Cache::forget($option);
+
+
+            $dbOptionInstance->option_value = $newValue;
+            $dbOptionInstance->save();
+
+            Cache::put('option_name', $newValue, now()->addDay());
+        }
+        else
+        {
+            throw new \Exception('This option does not exist.');
+        }
+    }
+
+
+    public function optionExists(string $option): bool
+    {
+        $dbOption = Option::where('option_name', $option)->first();
+        $locallyCachedOption = Cache::get($option);
+
+        return !is_null($dbOption) || !is_null($locallyCachedOption);
+    }
+
+}

app/Http/Controllers/OptionsController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Helpers\Options;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+
+class OptionsController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Contracts\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\Http\Response|\Illuminate\View\View
+     */
+    public function index()
+    {
+        $options = Options::all();
+
+
+        return view('dashboard.administration.positions')
+            ->with('options');
+    }
+
+   public function saveSettings(Request $request)
+   {
+       if (Auth::user()->hasPermission('admin.settings.edit'))
+       {
+           foreach($request->all() as $optionName => $option)
+           {
+               try
+               {
+                   if (Options::optionExists($option))
+                   {
+                       Options::changeOption($optionName, $option);
+                   }
+               }
+               catch(\Exception $ex)
+               {
+                   // Silently ignore, because the only way this would happen is if someone manipulates the page,
+                   // and obviously we can't save arbitrary option values even if the user has permission to do so.
+                   continue;
+               }
+           }
+
+           $request->session()->flash('success', 'Settings saved successfully!');
+       }
+       else
+       {
+           $request->session()->flash('error', 'You do not have permission to update this resource.');
+       }
+
+       return redirect()->back();
+   }
+}

app/Options.php

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+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Options extends Model
+{
+    public $fillable = [
+        'option_name',
+        'option_value'
+    ];
+}

app/Providers/OptionsProvider.php

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+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+use App;
+
+class OptionsProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        //
+    }
+
+    /**
+     * Bootstrap services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        App::bind('sm-options', function (){
+            return new App\Helpers\Options();
+        });
+    }
+}