thumbnail.php generate thumbnails on demand

.gitignore

@@ -4,6 +4,8 @@ Homestead.json
 Homestead.yaml
 .env
 /public/docs
+/public/staticimages
+/public/thumbnails
 /resources/docs
 
 composer.lock

public/thumbnail.php

@@ -1,3 +1,27 @@
 <?php
-echo "TODO: create thumbnail for ".$_GET["id"]." here";
+
+#echo "TODO: create thumbnail for ".$_GET["id"]." here";
+
+$width = 100;
+$height = 100;
+$quality = 90;
+
+$thumb = getcwd() . $_GET["id"];
+$img = str_replace("thumbnails", "staticimages", $thumb);
+if (is_file($img)) {
+    $imagick = new Imagick($img);
+    $imagick->setImageFormat('jpeg');
+    $imagick->setImageCompression(Imagick::COMPRESSION_JPEG);
+    $imagick->setImageCompressionQuality($quality);
+    $imagick->cropThumbnailImage($width, $height);
+    $imagick->setImagePage(0, 0, 0, 0);
+    if (file_put_contents($thumb, $imagick) === false) {
+        throw new Exception("Could not put contents.");
+    }
+    return true;
+} else {
+    throw new Exception("No valid image provided with {$img}.");
+}
+
+
 ?>