<?php 

namespace Model;

class Model {
    protected function ConvertToDateTime(&$field) {
        if($field) { 
            // PHP7 JSON-encodes to {date: "", "timezone_type": ..., "timezone": "UTC" }
            // In that case $field will be an object
            if(is_object($field)) { 
                $field = ($field->timezone) 
                    ? new \DateTime($field->date, new \DateTimeZone($field->timezone)) 
                    : (new \DateTime($field->date));
            } else { 
                // If $field is not an object, assume it's a plain, valid, string
                $field = new \DateTime($field);
            }

            if($field === false || $field->getTimestamp() == 0) {
                // If field had data but is invalid DateTime or is 0000-00-00 00:00, set it to null.
                $field = null;
            } else { 
              // If valid, return local timezone
              $field->setTimezone(new \DateTimeZone("Europe/Amsterdam"));
            }
        }
    }

    public function __construct($data) {
        $class = get_class($this);
        foreach($data as $key => $val) {
            if(property_exists($class, $key)) {
                $this->$key =  $val;
            }
        }
    }

    public function url_slug($text) {
        $text = strtolower($text);
        $text = preg_replace('/\b([a-z]{1,3})\b/u', '', $text);
        $text = preg_replace('/[^\w_\+\s]/', '', $text);
        $text = preg_replace('/\s+/', '-', $text);
        return trim(strtolower($text), '-');
    }
}