Stitcher::parseVariables() - Code Metrics - Inspection of "Merge branch 'develop'" - pageon/stitcher-core - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( a58c94...1bcec0 )

by Brent

created 2017-01-22 12:11 UTC

Stitcher::parseVariables() A

↳ Parent: Stitcher

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	8
nc	3
nop	1
dl	0
loc	13
rs	9.4285
c	0
b	0
f	0

<?php

namespace Brendt\Stitcher;

use Brendt\Stitcher\Exception\InvalidSiteException;
use Brendt\Stitcher\Exception\TemplateNotFoundException;
use Brendt\Stitcher\Factory\AdapterFactory;
use Brendt\Stitcher\Factory\ParserFactory;
use Brendt\Stitcher\Factory\TemplateEngineFactory;
use Brendt\Stitcher\Site\Page;
use Brendt\Stitcher\Site\Site;
use Brendt\Stitcher\Template\TemplateEngine;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\SplFileInfo;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Yaml;

/**
 * The Stitcher class is the core compiler of every Stitcher application. This class takes care of all routes, pages,
 * templates and data, and "stitches" everything together.
 *
 * The stitching process is done in several steps, with the final result being a fully rendered website in the
 * `directories.public` folder.
 */
class Stitcher {

    /**
     * A collection of all templates available when rendering a Stitcher application.
     *
     * @var SplFileInfo[]
     */
    protected $templates;

    /**
     * The template engine which is configured via `engines.template`.
     *
     * @var TemplateEngine
     */
    private $templateEngine;

    /**
     * Stitcher constructor.
     */
    public function __construct() {
        /** @var TemplateEngineFactory $templateEngineFactory */
        $templateEngineFactory = Config::getDependency('factory.template.engine');

        $this->templateEngine = $templateEngineFactory->getByType(Config::get('engines.template'));
    }

    /**
     * The core stitcher function. This function will compile the configured site and return an array of parsed
     * data.
     *
     * Compiling a site is done in the following steps.
     *
     *      - Load the site configuration @see \Brendt\Stitcher\Stitcher::loadSite()
     *      - Load all available templates @see \Brendt\Stitcher\Stitcher::loadTemplates()
     *      - Loop over all pages and transform every page with the configured adapters (in any are set) @see
     *      \Brendt\Stitcher\Stitcher::parseAdapters()
     *      - Loop over all transformed pages and parse the variables which weren't parsed by the page's adapters. @see
     *      \Brendt\Stitcher\Stitcher::parseVariables()
     *      - Add all variables to the template engine and render the HTML for each page.
     *
     * This function takes two optional parameters which are used to render pages on the fly when using the
     * developer controller. The first one, `routes` will take a string or array of routes which should be rendered,
     * instead of all available routes. The second one, `filterValue` is used to provide a filter when the
     * CollectionAdapter is used, and only one entry page should be rendered.
     *
     * @param string|array $routes
     * @param string       $filterValue
     *
     * @return array
     * @throws TemplateNotFoundException
     *
     * @see \Brendt\Stitcher\Stitcher::save()
     * @see \Brendt\Stitcher\Controller\DevController::run()
     * @see \Brendt\Stitcher\Adapter\CollectionAdapter::transform()
     */
    public function stitch($routes = [], $filterValue = null) {
        $blanket = [];

        $site = $this->loadSite();
        $templates = $this->loadTemplates();

        if (is_string($routes)) {
            $routes = [$routes];
        }

        foreach ($site as $page) {
            $route = $page->getId();

            $skipRoute = count($routes) && !in_array($route, $routes);
            if ($skipRoute) {
                continue;
            }

            $templateIsset = isset($templates[$page->getTemplatePath()]);

            if (!$templateIsset) {
                if (isset($page['template'])) {
                    throw new TemplateNotFoundException("Template {$page['template']} not found.");
                } else {
                    throw new TemplateNotFoundException('No template was set.');
                }
            }

            $pages = $this->parseAdapters($page, $filterValue);

            $pageTemplate = $templates[$page->getTemplatePath()];
            foreach ($pages as $entryPage) {
                $entryPage = $this->parseVariables($entryPage);

                // Render each page
                $this->templateEngine->addTemplateVariables($entryPage->getVariables());
                $blanket[$entryPage->getId()] = $this->templateEngine->renderTemplate($pageTemplate);
                $this->templateEngine->clearTemplateVariables();
            }
        }

        return $blanket;
    }

    /**
     * Load a site from YAML configuration files in the `directories.src`/site directory.
     * All YAML files are loaded and parsed into Page objects and added to a Site collection.
     *
     * @return Site
     * @throws InvalidSiteException
     *
     * @see \Brendt\Stitcher\Site\Page
     * @see \Brendt\Stitcher\Site\Site
     */
    public function loadSite() {
        $src = Config::get('directories.src');
        $files = Finder::create()->files()->in("{$src}/site")->name('*.yml');
        $site = new Site();

        foreach ($files as $file) {
            try {
                $fileContents = Yaml::parse($file->getContents());
            } catch (ParseException $e) {
                throw new InvalidSiteException("{$file->getRelativePathname()}: {$e->getMessage()}");
            }

            if (!is_array($fileContents)) {
                continue;
            }

            foreach ($fileContents as $route => $data) {
                $page = new Page($route, $data);
                $site->addPage($page);
            }
        }

        return $site;
    }

    /**
     * Load all templates from either the `directories.template` directory. Depending on the configured template
     * engine, set with `engines.template`; .html or .tpl files will be loaded.
     *
     * @return SplFileInfo[]
     */
    public function loadTemplates() {
        $templateFolder = Config::get('directories.template');
        $templateExtension = $this->templateEngine->getTemplateExtension();
        $files = Finder::create()->files()->in($templateFolder)->name("*.{$templateExtension}");
        $templates = [];

        foreach ($files as $file) {
            $id = str_replace(".{$templateExtension}", '', $file->getRelativePathname());
            $templates[$id] = $file;
        }

        return $templates;
    }

    /**
     * This function takes a page and optional entry id. The page's adapters will be loaded and looped.
     * An adapter will transform a page's original configuration and variables to one or more pages.
     * An entry id can be provided as a filter. This filter can be used in an adapter to skip rendering unnecessary
     * pages. The filter parameter is used to render pages on the fly when using the developer controller.
     *
     * @param Page   $page
     * @param string $entryId
     *
     * @return Page[]
     *
     * @see  \Brendt\Stitcher\Adapter\Adapter::transform()
     * @see  \Brendt\Stitcher\Controller\DevController::run()
     *
     * @todo When a page has multiple adapters, this function won't correctly parse more than one. This is considered a
     *       bug, but not a major one because there are only two adapters at this moment, and they can not be used
     *       together anyway.
     *
     */
    public function parseAdapters(Page $page, $entryId = null) {
        /** @var AdapterFactory $adapterFactory */
        $adapterFactory = Config::getDependency('factory.adapter');
        $pages = [];

        if (count($page->getAdapters())) {
            foreach ($page->getAdapters() as $type => $adapterConfig) {
                $adapter = $adapterFactory->getByType($type);

                if ($entryId !== null) {
                    $pages = $adapter->transform($page, $entryId);
                } else {
                    $pages = $adapter->transform($page);
                }
            }
        } else {
            $pages = [$page->getId() => $page];
        }

        return $pages;
    }

    /**
     * This function takes a Page object and parse its variables using a Parser. It will only parse variables which
     * weren't parsed already by an adapter.
     *
     * @param Page $page
     *
     * @return Page
     *
     * @see \Brendt\Stitcher\Factory\ParserFactory
     * @see \Brendt\Stitcher\Parser\Parser
     * @see \Brendt\Stitcher\Site\Page::isParsedVariable()
     */
    public function parseVariables(Page $page) {
        foreach ($page->getVariables() as $name => $value) {
            if ($page->isParsedVariable($name)) {
                continue;
            }

            $page
                ->setVariableValue($name, $this->getData($value))
                ->setVariableIsParsed($name);
        }

        return $page;
    }

    /**
     * This function will save a stitched output to HTML files in the `directories.public` directory.
     *
     * @param array $blanket
     *
     * @see \Brendt\Stitcher\Stitcher::stitch()
     */
    public function save(array $blanket) {
        $fs = new Filesystem();
        $public = Config::get('directories.public');

        if (!$fs->exists($public)) {
            $fs->mkdir($public);
        }

        foreach ($blanket as $path => $page) {
            if ($path === '/') {
                $path = 'index';
            }

            $fs->dumpFile($public . "/{$path}.html", $page);
        }
    }

    /**
     * This function will get the parser based on the value. This value is parsed by the parser, or returned if no
     * suitable parser was found.
     *
     * @param $value
     *
     * @return mixed
     *
     * @see \Brendt\Stitcher\Factory\ParserFactory
     */
    private function getData($value) {
        /** @var ParserFactory $parserFactory */
        $parserFactory = Config::getDependency('factory.parser');
        $parser = $parserFactory->getParser($value);

        if (!$parser) {
            return $value;
        }

        return $parser->parse($value);
    }

}




1			<?php
2
3			namespace Brendt\Stitcher;
4
5			use Brendt\Stitcher\Exception\InvalidSiteException;
6			use Brendt\Stitcher\Exception\TemplateNotFoundException;
7			use Brendt\Stitcher\Factory\AdapterFactory;
8			use Brendt\Stitcher\Factory\ParserFactory;
9			use Brendt\Stitcher\Factory\TemplateEngineFactory;
10			use Brendt\Stitcher\Site\Page;
11			use Brendt\Stitcher\Site\Site;
12			use Brendt\Stitcher\Template\TemplateEngine;
13			use Symfony\Component\Filesystem\Filesystem;
14			use Symfony\Component\Finder\Finder;
15			use Symfony\Component\Finder\SplFileInfo;
16			use Symfony\Component\Yaml\Exception\ParseException;
17			use Symfony\Component\Yaml\Yaml;
18
19			/**
20			* The Stitcher class is the core compiler of every Stitcher application. This class takes care of all routes, pages,
21			* templates and data, and "stitches" everything together.
22			*
23			* The stitching process is done in several steps, with the final result being a fully rendered website in the
24			* `directories.public` folder.
25			*/
26			class Stitcher {
27
28			/**
29			* A collection of all templates available when rendering a Stitcher application.
30			*
31			* @var SplFileInfo[]
32			*/
33			protected $templates;
34
35			/**
36			* The template engine which is configured via `engines.template`.
37			*
38			* @var TemplateEngine
39			*/
40			private $templateEngine;
41
42			/**
43			* Stitcher constructor.
44			*/
45			public function __construct() {
46			/** @var TemplateEngineFactory $templateEngineFactory */
47			$templateEngineFactory = Config::getDependency('factory.template.engine');
48
49			$this->templateEngine = $templateEngineFactory->getByType(Config::get('engines.template'));
50			}
51
52			/**
53			* The core stitcher function. This function will compile the configured site and return an array of parsed
54			* data.
55			*
56			* Compiling a site is done in the following steps.
57			*
58			* - Load the site configuration @see \Brendt\Stitcher\Stitcher::loadSite()
59			* - Load all available templates @see \Brendt\Stitcher\Stitcher::loadTemplates()
60			* - Loop over all pages and transform every page with the configured adapters (in any are set) @see
61			* \Brendt\Stitcher\Stitcher::parseAdapters()
62			* - Loop over all transformed pages and parse the variables which weren't parsed by the page's adapters. @see
63			* \Brendt\Stitcher\Stitcher::parseVariables()
64			* - Add all variables to the template engine and render the HTML for each page.
65			*
66			* This function takes two optional parameters which are used to render pages on the fly when using the
67			* developer controller. The first one, `routes` will take a string or array of routes which should be rendered,
68			* instead of all available routes. The second one, `filterValue` is used to provide a filter when the
69			* CollectionAdapter is used, and only one entry page should be rendered.
70			*
71			* @param string\|array $routes
72			* @param string $filterValue
73			*
74			* @return array
75			* @throws TemplateNotFoundException
76			*
77			* @see \Brendt\Stitcher\Stitcher::save()
78			* @see \Brendt\Stitcher\Controller\DevController::run()
79			* @see \Brendt\Stitcher\Adapter\CollectionAdapter::transform()
80			*/
81			public function stitch($routes = [], $filterValue = null) {
82			$blanket = [];
83
84			$site = $this->loadSite();
85			$templates = $this->loadTemplates();
86
87			if (is_string($routes)) {
88			$routes = [$routes];
89			}
90
91			foreach ($site as $page) {
92			$route = $page->getId();
93
94			$skipRoute = count($routes) && !in_array($route, $routes);
95			if ($skipRoute) {
96			continue;
97			}
98
99			$templateIsset = isset($templates[$page->getTemplatePath()]);
100
101			if (!$templateIsset) {
102			if (isset($page['template'])) {
103			throw new TemplateNotFoundException("Template {$page['template']} not found.");
104			} else {
105			throw new TemplateNotFoundException('No template was set.');
106			}
107			}
108
109			$pages = $this->parseAdapters($page, $filterValue);
110
111			$pageTemplate = $templates[$page->getTemplatePath()];
112			foreach ($pages as $entryPage) {
113			$entryPage = $this->parseVariables($entryPage);
114
115			// Render each page
116			$this->templateEngine->addTemplateVariables($entryPage->getVariables());
117			$blanket[$entryPage->getId()] = $this->templateEngine->renderTemplate($pageTemplate);
118			$this->templateEngine->clearTemplateVariables();
119			}
120			}
121
122			return $blanket;
123			}
124
125			/**
126			* Load a site from YAML configuration files in the `directories.src`/site directory.
127			* All YAML files are loaded and parsed into Page objects and added to a Site collection.
128			*
129			* @return Site
130			* @throws InvalidSiteException
131			*
132			* @see \Brendt\Stitcher\Site\Page
133			* @see \Brendt\Stitcher\Site\Site
134			*/
135			public function loadSite() {
136			$src = Config::get('directories.src');
137			$files = Finder::create()->files()->in("{$src}/site")->name('*.yml');
138			$site = new Site();
139
140			foreach ($files as $file) {
141			try {
142			$fileContents = Yaml::parse($file->getContents());
143			} catch (ParseException $e) {
144			throw new InvalidSiteException("{$file->getRelativePathname()}: {$e->getMessage()}");
145			}
146
147			if (!is_array($fileContents)) {
148			continue;
149			}
150
151			foreach ($fileContents as $route => $data) {
152			$page = new Page($route, $data);
153			$site->addPage($page);
154			}
155			}
156
157			return $site;
158			}
159
160			/**
161			* Load all templates from either the `directories.template` directory. Depending on the configured template
162			* engine, set with `engines.template`; .html or .tpl files will be loaded.
163			*
164			* @return SplFileInfo[]
165			*/
166			public function loadTemplates() {
167			$templateFolder = Config::get('directories.template');
168			$templateExtension = $this->templateEngine->getTemplateExtension();
169			$files = Finder::create()->files()->in($templateFolder)->name("*.{$templateExtension}");
170			$templates = [];
171
172			foreach ($files as $file) {
173			$id = str_replace(".{$templateExtension}", '', $file->getRelativePathname());
174			$templates[$id] = $file;
175			}
176
177			return $templates;
178			}
179
180			/**
181			* This function takes a page and optional entry id. The page's adapters will be loaded and looped.
182			* An adapter will transform a page's original configuration and variables to one or more pages.
183			* An entry id can be provided as a filter. This filter can be used in an adapter to skip rendering unnecessary
184			* pages. The filter parameter is used to render pages on the fly when using the developer controller.
185			*
186			* @param Page $page
187			* @param string $entryId
188			*
189			* @return Page[]
190			*
191			* @see \Brendt\Stitcher\Adapter\Adapter::transform()
192			* @see \Brendt\Stitcher\Controller\DevController::run()
193			*
194			* @todo When a page has multiple adapters, this function won't correctly parse more than one. This is considered a
195			* bug, but not a major one because there are only two adapters at this moment, and they can not be used
196			* together anyway.
197			*
198			*/
199			public function parseAdapters(Page $page, $entryId = null) {
200			/** @var AdapterFactory $adapterFactory */
201			$adapterFactory = Config::getDependency('factory.adapter');
202			$pages = [];
203
204			if (count($page->getAdapters())) {
205			foreach ($page->getAdapters() as $type => $adapterConfig) {
206			$adapter = $adapterFactory->getByType($type);
207
208			if ($entryId !== null) {
209			$pages = $adapter->transform($page, $entryId);
210			} else {
211			$pages = $adapter->transform($page);
212			}
213			}
214			} else {
215			$pages = [$page->getId() => $page];
216			}
217
218			return $pages;
219			}
220
221			/**
222			* This function takes a Page object and parse its variables using a Parser. It will only parse variables which
223			* weren't parsed already by an adapter.
224			*
225			* @param Page $page
226			*
227			* @return Page
228			*
229			* @see \Brendt\Stitcher\Factory\ParserFactory
230			* @see \Brendt\Stitcher\Parser\Parser
231			* @see \Brendt\Stitcher\Site\Page::isParsedVariable()
232			*/
233			public function parseVariables(Page $page) {
234			foreach ($page->getVariables() as $name => $value) {
235			if ($page->isParsedVariable($name)) {
236			continue;
237			}
238
239			$page
240			->setVariableValue($name, $this->getData($value))
241			->setVariableIsParsed($name);
242			}
243
244			return $page;
245			}
246
247			/**
248			* This function will save a stitched output to HTML files in the `directories.public` directory.
249			*
250			* @param array $blanket
251			*
252			* @see \Brendt\Stitcher\Stitcher::stitch()
253			*/
254			public function save(array $blanket) {
255			$fs = new Filesystem();
256			$public = Config::get('directories.public');
257
258			if (!$fs->exists($public)) {
259			$fs->mkdir($public);
260			}
261
262			foreach ($blanket as $path => $page) {
263			if ($path === '/') {
264			$path = 'index';
265			}
266
267			$fs->dumpFile($public . "/{$path}.html", $page);
268			}
269			}
270
271			/**
272			* This function will get the parser based on the value. This value is parsed by the parser, or returned if no
273			* suitable parser was found.
274			*
275			* @param $value
276			*
277			* @return mixed
278			*
279			* @see \Brendt\Stitcher\Factory\ParserFactory
280			*/
281			private function getData($value) {
282			/** @var ParserFactory $parserFactory */
283			$parserFactory = Config::getDependency('factory.parser');
284			$parser = $parserFactory->getParser($value);
285
286			if (!$parser) {
287			return $value;
288			}
289
290			return $parser->parse($value);
291			}
292
293			}
294
295
296

pageon / stitcher-core

Push — master ( a58c94...1bcec0 )

Stitcher::parseVariables() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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