MVC Services

Dynamizer.php

<?php

namespace project\Services;


class Dynamizer
{
    public $variable;
    public $view;
    public $parameters;
    public $helper;
    public $functParam;

    public function __construct()
    {

    }

    public function setHelper($helper = '')
    {
        $helperName = sprintf('project\\Services\\Helpers\\%sHelpers', trim(strtolower($helper)));
        $helperName = trim($helperName);
        $this->helper = new $helperName();
    }

    /**
     * @param mixed $parameters
     * @return Dynamizer
     */
    public function setParameters($parameters)
    {
        $this->parameters = $parameters;
        return $this;
    }
    /**
     * @param mixed $parameters
     * @return Dynamizer
     */

    /**
     * @param mixed $view
     * @return Dynamizer
     */
    public function setView($view)
    {
        $this->view = $view;
        return $this;
    }

    /**
     * @param mixed $variable
     */

    public function setVariable($variable)
    {
        $this->variable = $variable;
        return $this;

    }

    /**
     *
     */
    public function dynamise()
    {
        $this->searchVariables();
        $this->replaceVariable();
        return $this->view;
    }

    public function searchVariables()
    {
        preg_match_all('/{{ ([^}]+)}}/', $this->view, $variables);
        foreach ($variables[0] as $key => $variable) {
            $this->variable[$variable] = trim($variables[1][$key]);
        }
    }

    /**
     * @throws \Exception
     */
    public function replaceVariable()
    {
        if (empty($this->variable)) {
            return;
        }
        foreach ($this->variable as $pattern => $key) {

            $isObject = preg_match('/(\.)/', $key);
            $isFunction = preg_match('/(.*)\((.*)\)/', $key);

            switch (true) {
                case $isFunction :

                    preg_match_all('/(.*)\((.*)\)/', $key, $helperParam);
                    $pattern = preg_replace(array('/\(/', '/\)/'), array('\(', '\)'), $pattern);
                    $method = array_pop($helperParam[1]);
                    $functionParam = array_pop($helperParam[2]);
                    $functionParam = !$functionParam ? array() : explode(',', $functionParam);
                    $functionParam = array_map('trim', $functionParam);
                    $value = call_user_func_array(array($this->helper, $method), $functionParam);

                    break;
                case $isObject :
                    list($table, $property) = explode('.', $key);
                    $this->verifyKey($table);
                    $object = $this->parameters[$table];
                    $value = $object->$property;
                    $this->controller = $this->parameters[$table];
                    break;
                default:
                    $this->verifyKey($key);
                    $value = $this->parameters[$key];
            }
            $regexPattern = sprintf('/%s/', $pattern);
            $this->view = preg_replace($regexPattern, $value, $this->view);
        }
    }

    /**
     * @param $key
     * @throws \Exception
     */
    private function verifyKey($key)
    {
        if (!array_key_exists($key, $this->parameters)) {
            throw new \Exception("$key NOT FOUND);
        }
    }

}