Completed
Push — master ( 9e945f...ca30df )
by Joschi
03:04
created

Random::injectMarkdownImages()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 11
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 5
c 1
b 0
f 0
nc 2
nop 1
dl 0
loc 11
ccs 0
cts 0
cp 0
crap 6
rs 9.4285
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<?php
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/**
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 * apparat-dev
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 *
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 * @category    Apparat
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 * @package     Apparat\Dev
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 * @subpackage  Apparat\Dev\Application
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 * @author      Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright   Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 * @license     http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Apparat\Dev\Application\Utility;
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use Apparat\Kernel\Ports\Kernel;
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use Faker\Factory;
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use Faker\Generator;
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use Faker\Provider\Biased;
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/**
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 * Random content generator
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 *
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 * @package Apparat\Dev
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 * @subpackage Apparat\Dev\Application
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 */
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class Random
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{
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    /**
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     * Random markdown sample data
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     *
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     * @var array
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     */
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    protected static $markdown = null;
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    /**
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     * Faker instance
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     *
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     * @var Generator
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     */
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    protected static $faker = null;
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    /**
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     * Random image URL
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     *
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     * @var string
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     */
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    const RANDOM_IMAGE_URL = 'http://lorempixel.com/%s/%s/';
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    /**
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     * Return a markdown sample text
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     *
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     * @param boolean $images Inject images
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     * @return string Markdown sample text
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     * @see https://jaspervdj.be/lorem-markdownum
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     */
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    public static function markdown($images = true)
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    {
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        // One time loading of markdown sample data
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        if (self::$markdown === null) {
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            self::$markdown = require __DIR__.DIRECTORY_SEPARATOR.'Markdown.php';
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            shuffle(self::$markdown);
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        }
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        $markdown = self::$markdown[array_rand(self::$markdown)];
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        // If images should be injected
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        if ($images) {
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            $markdown = self::injectMarkdownImages($markdown);
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        }
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        return $markdown;
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    }
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    /**
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     * Inject a random number of images (between 0 and 3) into a markdown source
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     *
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     * @param string $markdown Markdown
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     * @return string Markdown with images
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     */
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    protected static function injectMarkdownImages($markdown)
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    {
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        $markdownBlocks = preg_split('%\R{2,}%', $markdown.PHP_EOL.PHP_EOL);
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        // Iterate through a random number of images between 0 and 3
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        for ($image = 0, $imageMax = 3 - self::faker()->biasedNumberBetween(0, 3); $image < $imageMax; ++$image) {
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            $markdownBlocks[array_rand($markdownBlocks)] .= PHP_EOL.PHP_EOL.self::randomMarkdownImage();
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        }
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        return trim(implode(PHP_EOL.PHP_EOL, $markdownBlocks));
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    }
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    /**
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     * Create and return a random image for Markdown use
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     *
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     * @return string Random image markdown
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     */
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    protected static function randomMarkdownImage()
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    {
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        return '!['.self::faker()->sentence().']('.sprintf(self::RANDOM_IMAGE_URL, rand(200, 400), rand(150, 300)).')';
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    }
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    /**
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     * Create and return a Faker generator
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     *
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     * @return Generator Faker generator
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     */
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    protected static function faker()
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    {
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        if (self::$faker === null) {
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            self::$faker = Factory::create();
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            self::$faker->addProvider(Kernel::create(Biased::class));
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        }
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        return self::$faker;
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    }
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}
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