add customer api

customerapi/models/available/EventInterval.php

@@ -0,0 +1,56 @@
+<?php
+
+
+namespace customerapi\models\available;
+
+
+use DateTime;
+
+/**
+ * Class DateIntervalHelper
+ * @package customerapi\models\available
+ * @property \DateTime $firstActiveDate
+ * @property \DateTime $lastActiveDate
+ * @property \DateTime $firstDisplayDate
+ * @property \DateTime $lastDisplayDate
+ */
+class EventInterval
+{
+
+    public $countOfActiveDays = 14;
+    public $daysToDisplay = 21;
+
+
+    public $firstActiveDate;
+    public $lastActiveDate;
+    public $firstDisplayDate;
+    public $lastDisplayDate;
+
+    private function __construct()
+    {
+
+        $firstActiveDay = new DateTime();
+        $firstActiveDay->setTime(0, 0);
+        $this->firstActiveDate = $firstActiveDay;
+
+        $lastActiveDay = new DateTime();
+        $lastActiveDay->setTime(0, 0);
+        $lastActiveDay->modify('+' . $this->countOfActiveDays . ' day');
+        $this->lastActiveDate = $lastActiveDay;
+
+        $firstDisplayDate = new DateTime();
+        $firstDisplayDate->modify('this week');
+        $firstDisplayDate->setTime(0, 0);
+        $this->firstDisplayDate = $firstDisplayDate;
+
+        $lastDisplayDate = clone $firstDisplayDate;
+        $lastDisplayDate->setTime(0, 0);
+        $lastDisplayDate->modify('+' . $this->daysToDisplay . ' day');
+        $this->lastDisplayDate = $lastDisplayDate;
+
+    }
+
+    public static function createInterval(){
+        return new EventInterval();
+}
+}