Fix tasks to use proper cron syntax

Author: DaneEveritt

app/Jobs/SendScheduledTask.php

@@ -30,6 +30,7 @@
 
 use DB;
 use Carbon;
+use Cron;
 use Pterodactyl\Models;
 use Pterodactyl\Repositories\Daemon\CommandRepository;
 use Pterodactyl\Repositories\Daemon\PowerRepository;
@@ -94,9 +95,17 @@ public function handle()
             ]);
             throw $ex;
         } finally {
+            $cron = Cron::factory(sprintf('%s %s %s %s %s %s',
+                $this->task->minute,
+                $this->task->hour,
+                $this->task->day_of_month,
+                $this->task->month,
+                $this->task->day_of_week,
+                $this->task->year
+            ));
             $this->task->fill([
                 'last_run' => $time,
-                'next_run' => $time->addMonths($this->task->month)->addWeeks($this->task->week)->addDays($this->task->day)->addHours($this->task->hour)->addMinutes($this->task->minute)->addSeconds($this->task->second),
+                'next_run' => $cron->getNextRunDate(),
                 'queued' => 0
             ]);
             $this->task->save();

composer.json

@@ -28,7 +28,8 @@
         "s1lentium/iptools": "^1.0",
         "edvinaskrucas/settings": "^2.0",
         "igaster/laravel-theme": "^1.1",
-        "nesbot/carbon": "^1.21"
+        "nesbot/carbon": "^1.21",
+        "mtdowling/cron-expression": "^1.1"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",

config/app.php

@@ -183,6 +183,7 @@
         'Carbon'    => Carbon\Carbon::class,
         'Config'    => Illuminate\Support\Facades\Config::class,
         'Cookie'    => Illuminate\Support\Facades\Cookie::class,
+        'Cron'      => Cron\CronExpression::class,
         'Crypt'     => Illuminate\Support\Facades\Crypt::class,
         'DB'        => Illuminate\Support\Facades\DB::class,
         'Debugbar'  => Barryvdh\Debugbar\Facade::class,

database/migrations/2016_02_27_163411_add_tasks_table.php

@@ -15,15 +15,16 @@ public function up()
         Schema::create('tasks', function (Blueprint $table) {
             $table->increments('id');
             $table->integer('server')->unsigned();
+            $table->tinyInteger('active')->default(1);
             $table->string('action');
             $table->text('data');
             $table->tinyInteger('queued')->unsigned()->default(0);
-            $table->integer('month')->default(0);
-            $table->integer('week')->default(0);
-            $table->integer('day')->default(0);
-            $table->integer('hour')->default(0);
-            $table->integer('minute')->default(0);
-            $table->integer('second')->default(0);
+            $table->string('year')->default('*');
+            $table->string('day_of_week')->default('*');
+            $table->string('month')->default('*');
+            $table->string('day_of_month')->default('*');
+            $table->string('hour')->default('*');
+            $table->string('minute')->default('*');
             $table->timestamp('last_run');
             $table->timestamp('next_run');
             $table->timestamps();