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by Marc
10:38
created

ModelFactory::createContentObject()   A

Complexity

Conditions 5
Paths 12

Size

Total Lines 22
Code Lines 17

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 5
eloc 17
c 1
b 0
f 0
nc 12
nop 1
dl 0
loc 22
rs 9.3888
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<?php declare(strict_types=1);
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namespace html_go\model;
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use DateTimeInterface;
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use InvalidArgumentException;
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use html_go\exceptions\InternalException;
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use html_go\indexing\IndexManager;
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use html_go\markdown\MarkdownParser;
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/**
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 * Responsible for creating <code>Content</code> objects ready to be used in templates.
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 * @author Marc L. Veary
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 * @since 1.0
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 */
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final class ModelFactory
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{
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    private Config $config;
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    private MarkdownParser $parser;
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    private IndexManager $manager;
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    /**
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     * ModelFactory constructor.
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     * @param Config $config
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     * @param MarkdownParser $parser Implementation of the
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     * <code>MarkdownParser</code> interface.
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     */
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    public function __construct(Config $config, MarkdownParser $parser, IndexManager $manager) {
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        $this->config = $config;
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        $this->parser = $parser;
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        $this->manager = $manager;
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    }
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    /**
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     * Create a content object (stdClass) from an index <code>Element</code>
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     * object.
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     * @param \stdClass $indexElement As obtained from the <code>IndexManager</code>
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     * @return \stdClass
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     */
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    public function createContentObject(\stdClass $indexElement): \stdClass {
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        $contentObject = $this->loadDataFile($indexElement);
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        $contentObject->key = $indexElement->key;
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        if (!empty($indexElement->category)) {
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            $contentObject->category = $this->getCategoryObject($indexElement->category);
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        }
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        if (isset($indexElement->tags)) {
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            $contentObject->tags = $indexElement->tags;
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        }
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        if (isset($indexElement->date)) {
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            if (EMPTY_VALUE === $indexElement->date) {
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                $contentObject->date = $indexElement->date;
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                $contentObject->timestamp = EMPTY_VALUE;
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            } else {
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                $dt = new \DateTime($indexElement->date);
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                $contentObject->date = $dt->format($this->config->getString(Config::KEY_POST_DATE_FMT));
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                $contentObject->timestamp = $dt->format(DateTimeInterface::W3C);
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            }
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        }
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        $contentObject->listing = [];
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        $contentObject->site = $this->getSiteObject();
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        return $contentObject;
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    }
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    private function getCategoryObject(string $slug): \stdClass {
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        if ($this->manager->elementExists($slug) === false) {
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            throw new \UnexpectedValueException("Element does not exist [$slug]");
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        }
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        return $this->loadDataFile($this->manager->getElementFromSlugIndex($slug));
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    }
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    private function getSiteObject(): \stdClass {
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        static $site = null;
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        if (empty($site)) {
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            $site = new \stdClass();
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            $site->url = $this->config->getString(Config::KEY_SITE_URL);
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            $site->name = $this->config->getString(Config::KEY_SITE_NAME);
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            $site->title = $this->config->getString(Config::KEY_SITE_TITLE);
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            $site->description = $this->config->getString(Config::KEY_SITE_DESCRIPTION);
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            $site->tagline = $this->config->getString(Config::KEY_SITE_TAGLINE);
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            $site->copyright = $this->config->getString(Config::KEY_SITE_COPYRIGHT);
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            $site->language = $this->config->getString(Config::KEY_LANG);
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            $site->theme = $this->config->getString(Config::KEY_THEME_NAME);
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            $site->tpl_engine = $this->config->getString(Config::KEY_TPL_ENGINE);
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        }
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        return $site;
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    }
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    private function loadDataFile(\stdClass $indexElement): \stdClass {
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        if (!isset($indexElement->path) || empty($indexElement->path)) {
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            throw new InvalidArgumentException("Object does not have 'path' property "./** @scrutinizer ignore-type */print_r($indexElement, true)); // @codeCoverageIgnore
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        }
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        if (($data = \file_get_contents($indexElement->path)) === false) {
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            throw new InternalException("file_get_contents() failed opening [$indexElement->path]"); // @codeCoverageIgnore
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        }
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        if (($contentObject = \json_decode($data)) === null) {
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            $path = $indexElement->path;
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            throw new InternalException("json_decode returned null decoding [$data] from [$path]"); // @codeCoverageIgnore
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        }
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        return $contentObject;
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    }
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}
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