Added settings section and custom cron scheduling

app/Console/Kernel.php

@@ -2,6 +2,7 @@
 
 namespace App\Console;
 
+use App\Helpers\SettingsHelper;
 use App\Helpers\SpeedtestHelper;
 use App\Jobs\SpeedtestJob;
 use Illuminate\Console\Scheduling\Schedule;
@@ -26,9 +27,7 @@ class Kernel extends ConsoleKernel
      */
     protected function schedule(Schedule $schedule)
     {
-        $schedule->call(function() {
-            SpeedtestJob::dispatch();
-        })->hourlyAt(0);
+        $schedule->job(new SpeedtestJob)->cron(SettingsHelper::get('schedule')['value']);
     }
 
     /**

app/Helpers/SettingsHelper.php

@@ -14,7 +14,8 @@ class SettingsHelper {
         } else if(sizeof($name) == 1) {
             return $name[0];
         } else {
-            return $name;
+            $name = $name->keyBy('name');
+            return $name->all();
         }
     }
 

app/Http/Controllers/SettingsController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Helpers\SettingsHelper;
+use App\Rules\Cron;
 use App\Setting;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Validator;
@@ -11,7 +12,7 @@ class SettingsController extends Controller
 {
     public function index()
     {
-        return Setting::get();
+        return Setting::get()->keyBy('name');
     }
 
     public function get(Setting $setting)
@@ -24,6 +25,10 @@ class SettingsController extends Controller
         $rule = [
             'name' => [ 'required', 'string', 'min:1' ],
         ];
+        if($request->name == 'schedule') {
+            $rule['value'] = [ 'required', new Cron ];
+        }
+
         $validator = Validator::make($request->all(), $rule);
         if($validator->fails()) {
             return response()->json([

app/Rules/Cron.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Rules;
+
+use Cron\CronExpression;
+use Illuminate\Contracts\Validation\Rule;
+
+class Cron implements Rule
+{
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return CronExpression::isValidExpression($value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'The :attribute field must be a valid cron expression.';
+    }
+}

app/Setting.php

@@ -12,7 +12,7 @@ class Setting extends Model
      * @var array
      */
     protected $fillable = [
-        'name', 'value'
+        'name', 'value', 'description'
     ];
 
     protected $table = 'settings';