[WIP] Setup of skeleton

app/Repositories/Core/DateHelper.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Repositories\Core;
+
+use \Carbon\Carbon;
+use \League\Period\Period;
+
+class DateHelper
+{
+    public static function byDay()
+    {
+        return Carbon::now()->startOfDay();
+    }
+
+    public static function byWeek()
+    {
+        return Carbon::now()->startOfWeek();
+    }
+
+    public static function byMonth()
+    {
+        return Carbon::now()->startOfMonth();
+    }
+
+    public static function byQuarter()
+    {
+        return Carbon::now()->startOfQuarter();
+    }
+
+    public static function bySemester()
+    {
+        $quarter = Carbon::now()->quarter;
+        switch ($quarter) {
+            case 1:
+            case 2:
+                $date = Carbon::now()->startOfYear();
+                break;
+            case 3:
+                $date = Carbon::now()->startOfQuarter();
+                break;
+            case 4:
+                $date = Carbon::now()->subMonth(3)->startOfQuarter();
+                break;
+        }
+        return $date;
+    }
+
+    public static function byYear()
+    {
+        return Carbon::now()->startOfYear();
+    }
+}