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Generate thumbnails for images that get used in the edit-list (and potentially elsewhere)

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Kevin MacMartin 2023-05-24 00:02:27 -04:00
parent e1da7267b3
commit f8aa6e9984
1 changed files with 69 additions and 34 deletions
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103
app/Models/DashboardModel.php
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@ -164,11 +164,46 @@ class DashboardModel extends Model
{ {
if ($type == 'image') { if ($type == 'image') {
return '/uploads/' . $this->getTable() . '/img/'; return '/uploads/' . $this->getTable() . '/img/';
} else if ($type == 'thumb') {
return '/uploads/' . $this->getTable() . '/thumbnails/';
} else if ($type == 'file') { } else if ($type == 'file') {
return '/uploads/' . $this->getTable() . '/files/'; return '/uploads/' . $this->getTable() . '/files/';
} }
} }
/**
* Find the desired image dimensions based on a maximum width and height
*
* @return array
*/
public static function maxImageSize($max_width, $max_height, $image_width, $image_height)
{
$new_width = null;
$new_height = null;
if ($max_width > 0 && $max_height > 0) {
if ($image_width > $max_width || $image_height > $max_height) {
$new_width = $max_width;
$new_height = ($new_width / $image_width) * $image_height;
if ($new_height > $max_height) {
$new_height = $max_height;
$new_width = ($new_height / $image_height) * $image_width;
}
}
} else if ($max_width > 0) {
if ($image_width > $max_width) {
$new_width = $max_width;
$new_height = ($new_width / $image_width) * $image_height;
}
} else if ($image_height > $max_height) {
$new_height = $max_height;
$new_width = ($new_height / $image_height) * $image_width;
}
return [ $new_width, $new_height ];
}
/** /**
* Save an image * Save an image
* *
@ -199,12 +234,12 @@ class DashboardModel extends Model
$main_ext = $this::$default_image_ext; $main_ext = $this::$default_image_ext;
} }
// Create the directory if it doesn't exist // Create the image directory if it doesn't exist
$directory = public_path($this->getUploadsPath('image')); $image_directory = public_path($this->getUploadsPath('image'));
File::makeDirectory($directory, 0755, true, true); File::makeDirectory($image_directory, 0755, true, true);
// Set the base file path (including the file name but not the extension) // Set the base file path (including the file name but not the extension)
$base_filename = $directory . $this->id . '-' . $name . '.'; $base_image_filename = $image_directory . $this->id . '-' . $name . '.';
if ($main_ext == 'svg') { if ($main_ext == 'svg') {
// Save the image provided it's an SVG // Save the image provided it's an SVG
@ -213,13 +248,13 @@ class DashboardModel extends Model
return 'incorrect-format-fail'; return 'incorrect-format-fail';
} }
copy($file, $base_filename . $main_ext); copy($file, $base_image_filename . $main_ext);
} else { } else {
if ($file->extension() != 'svg') { if ($file->extension() != 'svg') {
return 'incorrect-format-fail'; return 'incorrect-format-fail';
} }
$file->move($directory, $base_filename . $main_ext); $file->move($image_directory, $base_image_filename . $main_ext);
} }
} else { } else {
// Update the maximum width if it's been configured // Update the maximum width if it's been configured
@ -232,43 +267,43 @@ class DashboardModel extends Model
$max_height = $column['max_height']; $max_height = $column['max_height'];
} }
// Load and resize the image
$image = Image::make($file); $image = Image::make($file);
if ($max_width > 0 || $max_height > 0) { if ($max_width > 0 || $max_height > 0) {
$width = $image->width(); $new_image_size = self::maxImageSize($max_width, $max_height, $image->width(), $image->height());
$height = $image->height();
$new_width = null;
$new_height = null;
if ($max_width > 0 && $max_height > 0) { if (!is_null($new_image_size[0]) || !is_null($new_image_size[1])) {
if ($width > $max_width || $height > $max_height) { $image->resize($new_image_size[0], $new_image_size[0], function($constraint) {
$new_width = $max_width;
$new_height = ($new_width / $width) * $height;
if ($new_height > $max_height) {
$new_height = $max_height;
$new_width = ($new_height / $height) * $width;
}
}
} else if ($max_width > 0) {
if ($width > $max_width) {
$new_width = $max_width;
$new_height = ($new_width / $width) * $height;
}
} else if ($height > $max_height) {
$new_height = $max_height;
$new_width = ($new_height / $height) * $width;
}
if (!is_null($new_width) || !is_null($new_height)) {
$image->resize($new_width, $new_height, function($constraint) {
$constraint->aspectRatio(); $constraint->aspectRatio();
}); });
} }
} }
$image->save($base_filename . $main_ext); // Save the image
$image->save($base_filename . 'webp'); $image->save($base_image_filename . $main_ext);
$image->save($base_image_filename . 'webp');
// Create the thumbnail directory if it doesn't exist
$thumb_directory = public_path($this->getUploadsPath('thumb'));
File::makeDirectory($thumb_directory, 0755, true, true);
// Set the base file path (including the file name but not the extension)
$base_thumb_filename = $thumb_directory . $this->id . '-' . $name . '.';
// Load and resize the thumbnail
$thumb = Image::make($file);
$new_thumb_size = self::maxImageSize(800, 600, $thumb->width(), $thumb->height());
if (!is_null($new_thumb_size[0]) || !is_null($new_thumb_size[1])) {
$thumb->resize($new_thumb_size[0], $new_thumb_size[0], function($constraint) {
$constraint->aspectRatio();
});
}
// Save the thumbnail
$thumb->save($base_thumb_filename . $main_ext);
$thumb->save($base_thumb_filename . 'webp');
} }
return 'success'; return 'success';