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1<?php
2
3/**
4 *
5 * @package Zmscalldisplay
6 * @copyright BerlinOnline Stadtportal GmbH & Co. KG
7 *
8 */
9
10namespace BO\Zmscalldisplay\Helper;
11
12use BO\Zmscalldisplay\Exception\TemplateNotFound;
13use BO\Zmsentities\Schema\Entity as BaseEntity;
14
15class TemplateFinder
16{
17    protected $defaultTemplate;
18    protected $subPath;
19
20    protected $template;
21
22    public function __construct($defaultTemplate = "defaultplatz", $subPath = '/page/customized')
23    {
24        $this->subPath = $subPath;
25        $this->template = $subPath . '/' . $defaultTemplate . '.twig';
26        if ($this->isTemplateReadable($this->template)) {
27            $this->defaultTemplate = $defaultTemplate;
28        } else {
29            throw new TemplateNotFound("Could not find template $this->template");
30        }
31    }
32
33    public function getTemplate()
34    {
35        return $this->template;
36    }
37
38    /**
39     * get a customized Template if it exists, otherwise return default
40     * department preferred before cluster
41     *
42     * @param \BO\Zmsentities\Calldisplay $calldisplay
43     **/
44    public function setCustomizedTemplate($calldisplay)
45    {
46        $template = null;
47        if ($this->defaultTemplate == 'defaultplatz') {
48            $template = $this->getTemplateBySettings($calldisplay);
49        }
50        $this->template = ($template) ? $template : $this->template;
51        return $this;
52    }
53
54    /**
55     * @param \BO\Zmsentities\Calldisplay $calldisplay
56     * @return string|null
57     */
58    protected function getTemplateBySettings($calldisplay)
59    {
60        $template = null;
61        //look for customized templates by single scope or single cluster
62        if ($calldisplay->getScopeList()->getFirst()) {
63            $entity = new \BO\Zmsentities\Scope($calldisplay->getScopeList()->getFirst());
64            $template = $this->getExistingTemplate($entity);
65        }
66        //look for customized template in clusterlist, overwrite template before
67        foreach ($calldisplay->getClusterList() as $entity) {
68            $entity = new \BO\Zmsentities\Cluster($entity);
69            if ($this->getExistingTemplate($entity)) {
70                $template = $this->getExistingTemplate($entity);
71                break;
72            }
73        }
74        //look for customized template in departmentlist, overwrite template before
75        foreach ($calldisplay->organisation['departments'] as $departmentData) {
76            $entity = new \BO\Zmsentities\Department($departmentData);
77            if ($this->getExistingTemplate($entity)) {
78                $template = $this->getExistingTemplate($entity);
79                break;
80            }
81        }
82
83        return $template;
84    }
85
86    /**
87     * @param BaseEntity $entity
88     * @return string|null
89     */
90    protected function getExistingTemplate(BaseEntity $entity)
91    {
92        $path = $this->subPath . '/calldisplay_' . $entity->getEntityName() . '_' . $entity->getId() . '.twig';
93        if ($entity->hasId() && $this->isTemplateReadable($path)) {
94            return $path;
95        }
96
97        return null;
98    }
99
100    /**
101     * @param string $path
102     * @return bool
103     */
104    protected function isTemplateReadable($path)
105    {
106        return is_readable($this->getTemplatePath() . $path);
107    }
108
109    /**
110     * @todo check against ISO definition
111     */
112    public function getTemplatePath()
113    {
114        return realpath(__DIR__) . '/../../../templates';
115    }
116}