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1 | <?php |
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2 | |||
3 | namespace Spatie\MediaLibrary\ResponsiveImages; |
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4 | |||
5 | use Illuminate\Support\Str; |
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6 | use Spatie\MediaLibrary\Conversion\Conversion; |
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7 | use Spatie\MediaLibrary\Events\ResponsiveImagesGenerated; |
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8 | use Spatie\MediaLibrary\Filesystem\Filesystem; |
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9 | use Spatie\MediaLibrary\Helpers\File; |
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10 | use Spatie\MediaLibrary\Helpers\ImageFactory; |
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11 | use Spatie\MediaLibrary\Helpers\TemporaryDirectory; |
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12 | use Spatie\MediaLibrary\Models\Media; |
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13 | use Spatie\MediaLibrary\ResponsiveImages\Exceptions\InvalidTinyJpg; |
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14 | use Spatie\MediaLibrary\ResponsiveImages\TinyPlaceholderGenerator\TinyPlaceholderGenerator; |
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15 | use Spatie\MediaLibrary\ResponsiveImages\WidthCalculator\WidthCalculator; |
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16 | use Spatie\TemporaryDirectory\TemporaryDirectory as BaseTemporaryDirectory; |
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17 | |||
18 | class ResponsiveImageGenerator |
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19 | { |
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20 | /** \Spatie\MediaLibrary\Filesystem\Filesystem */ |
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21 | protected $filesystem; |
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22 | |||
23 | /** \Spatie\MediaLibrary\ResponsiveImages\WidthCalculator\WidthCalculator */ |
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24 | protected $widthCalculator; |
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25 | |||
26 | /** \Spatie\MediaLibrary\ResponsiveImages\TinyPlaceHolderGenerator\TinyPlaceHolderGenerator */ |
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27 | protected $tinyPlaceholderGenerator; |
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28 | |||
29 | public function __construct( |
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30 | Filesystem $filesystem, |
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31 | WidthCalculator $widthCalculator, |
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32 | TinyPlaceholderGenerator $tinyPlaceholderGenerator |
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33 | ) { |
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34 | $this->filesystem = $filesystem; |
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35 | |||
36 | $this->widthCalculator = $widthCalculator; |
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37 | |||
38 | $this->tinyPlaceholderGenerator = $tinyPlaceholderGenerator; |
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39 | } |
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40 | |||
41 | public function generateResponsiveImages(Media $media) |
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42 | { |
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43 | $temporaryDirectory = TemporaryDirectory::create(); |
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44 | |||
45 | $baseImage = app(Filesystem::class)->copyFromMediaLibrary( |
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46 | $media, |
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47 | $temporaryDirectory->path(Str::random(16).'.'.$media->extension) |
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48 | ); |
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49 | |||
50 | $media = $this->cleanResponsiveImages($media); |
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51 | |||
52 | foreach ($this->widthCalculator->calculateWidthsFromFile($baseImage) as $width) { |
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53 | $this->generateResponsiveImage($media, $baseImage, 'medialibrary_original', $width, $temporaryDirectory); |
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54 | } |
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55 | |||
56 | event(new ResponsiveImagesGenerated($media)); |
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57 | |||
58 | $this->generateTinyJpg($media, $baseImage, 'medialibrary_original', $temporaryDirectory); |
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59 | |||
60 | $temporaryDirectory->delete(); |
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61 | } |
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62 | |||
63 | public function generateResponsiveImagesForConversion(Media $media, Conversion $conversion, string $baseImage) |
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64 | { |
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65 | $temporaryDirectory = TemporaryDirectory::create(); |
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66 | |||
67 | $media = $this->cleanResponsiveImages($media, $conversion->getName()); |
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68 | |||
69 | foreach ($this->widthCalculator->calculateWidthsFromFile($baseImage) as $width) { |
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70 | $this->generateResponsiveImage($media, $baseImage, $conversion->getName(), $width, $temporaryDirectory); |
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71 | } |
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72 | |||
73 | $this->generateTinyJpg($media, $baseImage, $conversion->getName(), $temporaryDirectory); |
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74 | |||
75 | $temporaryDirectory->delete(); |
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76 | } |
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77 | |||
78 | public function generateResponsiveImage( |
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79 | Media $media, |
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80 | string $baseImage, |
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81 | string $conversionName, |
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82 | int $targetWidth, |
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83 | BaseTemporaryDirectory $temporaryDirectory |
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84 | ) { |
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85 | $responsiveImagePath = $this->appendToFileName($media->file_name, "___{$conversionName}_{$targetWidth}"); |
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86 | |||
87 | $tempDestination = $temporaryDirectory->path($responsiveImagePath); |
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88 | |||
89 | ImageFactory::load($baseImage) |
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90 | ->optimize() |
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91 | ->width($targetWidth) |
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92 | ->save($tempDestination); |
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93 | |||
94 | $responsiveImageHeight = ImageFactory::load($tempDestination)->getHeight(); |
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95 | |||
96 | $finalImageFileName = $this->appendToFileName($responsiveImagePath, "_{$responsiveImageHeight}"); |
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97 | |||
98 | $finalResponsiveImagePath = $temporaryDirectory->path($finalImageFileName); |
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99 | |||
100 | rename($tempDestination, $finalResponsiveImagePath); |
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101 | |||
102 | $this->filesystem->copyToMediaLibrary($finalResponsiveImagePath, $media, 'responsiveImages'); |
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103 | |||
104 | ResponsiveImage::register($media, $finalImageFileName, $conversionName); |
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105 | } |
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106 | |||
107 | public function generateTinyJpg(Media $media, string $originalImagePath, string $conversionName, BaseTemporaryDirectory $temporaryDirectory) |
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108 | { |
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109 | $tempDestination = $temporaryDirectory->path('tiny.jpg'); |
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110 | |||
111 | $this->tinyPlaceholderGenerator->generateTinyPlaceholder($originalImagePath, $tempDestination); |
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112 | |||
113 | $this->guardAgainstInvalidTinyPlaceHolder($tempDestination); |
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114 | |||
115 | $tinyImageDataBase64 = base64_encode(file_get_contents($tempDestination)); |
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116 | |||
117 | $tinyImageBase64 = 'data:image/jpeg;base64,'.$tinyImageDataBase64; |
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118 | |||
119 | $originalImage = ImageFactory::load($originalImagePath); |
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120 | |||
121 | $originalImageWidth = $originalImage->getWidth(); |
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122 | |||
123 | $originalImageHeight = $originalImage->getHeight(); |
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124 | |||
125 | $svg = view('medialibrary::placeholderSvg', compact( |
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126 | 'originalImageWidth', |
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127 | 'originalImageHeight', |
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128 | 'tinyImageBase64' |
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129 | )); |
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130 | |||
131 | $base64Svg = 'data:image/svg+xml;base64,'.base64_encode($svg); |
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132 | |||
133 | ResponsiveImage::registerTinySvg($media, $base64Svg, $conversionName); |
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134 | } |
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135 | |||
136 | protected function appendToFileName(string $filePath, string $suffix): string |
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137 | { |
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138 | $baseName = pathinfo($filePath, PATHINFO_FILENAME); |
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139 | |||
140 | $extension = pathinfo($filePath, PATHINFO_EXTENSION); |
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141 | |||
142 | return $baseName.$suffix.'.'.$extension; |
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143 | } |
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144 | |||
145 | protected function guardAgainstInvalidTinyPlaceHolder(string $tinyPlaceholderPath) |
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146 | { |
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147 | if (! file_exists($tinyPlaceholderPath)) { |
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148 | throw InvalidTinyJpg::doesNotExist($tinyPlaceholderPath); |
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149 | } |
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150 | |||
151 | $mimeType = File::getMimetype($tinyPlaceholderPath); |
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152 | |||
153 | if ($mimeType !== 'image/jpeg') { |
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154 | throw InvalidTinyJpg::hasWrongMimeType($tinyPlaceholderPath); |
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155 | } |
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156 | } |
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157 | |||
158 | protected function cleanResponsiveImages(Media $media, string $conversionName = 'medialibrary_original'): Media |
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159 | { |
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160 | $responsiveImages = $media->responsive_images; |
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161 | $responsiveImages[$conversionName]['urls'] = []; |
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162 | $media->responsive_images = $responsiveImages; |
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163 | |||
164 | $this->filesystem->removeResponsiveImages($media, $conversionName); |
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165 | |||
166 | return $media; |
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167 | } |
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168 | } |
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169 |
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.