126 lines
2.9 KiB
PHP
126 lines
2.9 KiB
PHP
<?php declare(strict_types=1);
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/**
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* Hummingbird Anime List Client
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*
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* An API client for Kitsu to manage anime and manga watch lists
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*
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* PHP version 7.4
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*
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* @package HummingbirdAnimeClient
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2020 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 5.1
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* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
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*/
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namespace Aviat\AnimeClient\Helper;
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use Aviat\Ion\Di\ContainerAware;
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/**
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* Simplify picture elements
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*/
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final class Picture {
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use ContainerAware;
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private const MIME_MAP = [
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'apng' => 'image/vnd.mozilla.apng',
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'bmp' => 'image/bmp',
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'gif' => 'image/gif',
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'ico' => 'image/x-icon',
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'jpeg' => 'image/jpeg',
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'jpf' => 'image/jpx',
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'jpg' => 'image/jpeg',
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'jpx' => 'image/jpx',
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'png' => 'image/png',
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'svg' => 'image/svg+xml',
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'tif' => 'image/tiff',
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'tiff' => 'image/tiff',
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'webp' => 'image/webp',
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];
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private const SIMPLE_IMAGE_TYPES = [
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'gif',
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'jpeg',
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'jpg',
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'png',
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];
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/**
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* Create the html for an html picture element.
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* Uses .webp images with fallback
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*
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* @param string $uri
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* @param string $fallbackExt
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* @param array $picAttrs
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* @param array $imgAttrs
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* @return string
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*/
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public function __invoke(string $uri, string $fallbackExt = 'jpg', array $picAttrs = [], array $imgAttrs = []): string
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{
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$urlGenerator = $this->container->get('url-generator');
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$helper = $this->container->get('html-helper');
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$imgAttrs['loading'] = 'lazy';
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$picAttrs['loading'] = 'lazy';
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// If it is a placeholder image, make the
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// fallback a png, not a jpg
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if (strpos($uri, 'placeholder') !== FALSE)
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{
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$fallbackExt = 'png';
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}
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if (strpos($uri, '//') === FALSE)
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{
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$uri = $urlGenerator->assetUrl($uri);
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}
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$urlParts = explode('.', $uri);
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$ext = array_pop($urlParts);
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$path = implode('.', $urlParts);
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$mime = array_key_exists($ext, static::MIME_MAP)
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? static::MIME_MAP[$ext]
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: 'image/jpeg';
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$fallbackMime = array_key_exists($fallbackExt, static::MIME_MAP)
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? static::MIME_MAP[$fallbackExt]
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: 'image/jpeg';
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// For image types that are well-established, just return a
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// simple <img /> element instead
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if (
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$ext === $fallbackExt ||
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\in_array($ext, static::SIMPLE_IMAGE_TYPES, TRUE)
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)
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{
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$attrs = ( ! empty($imgAttrs))
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? $imgAttrs
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: $picAttrs;
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return $helper->img($uri, $attrs);
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}
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$fallbackImg = "{$path}.{$fallbackExt}";
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$pictureChildren = [
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$helper->void('source', [
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'srcset' => $uri,
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'type' => $mime,
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]),
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$helper->void('source', [
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'srcset' => $fallbackImg,
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'type' => $fallbackMime
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]),
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$helper->img($fallbackImg, array_merge(['alt' => ''], $imgAttrs)),
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];
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$sources = implode('', $pictureChildren);
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return $helper->elementRaw('picture', $sources, $picAttrs);
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}
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}
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// End of Picture.php
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