Add support for API options. Closes #8.

Author: sylvainjule

lib/fields/imageboxes.php

@@ -1,5 +1,6 @@
 <?php
 
+require_once dirname(__DIR__) . '/options/imageboxes-optionsapi.php';
 require_once dirname(__DIR__) . '/options/imageboxes-optionsquery.php';
 require_once dirname(__DIR__) . '/options/imageboxes-options.php';
 
@@ -49,4 +50,4 @@
 ));
 
 
-return $base;
+return $base;

lib/options/imageboxes-options.php

@@ -1,6 +1,7 @@
 <?php
 
 use Kirby\Form\Options;
+use Kirby\Cms\App;
 
 class ImageBoxesOptions extends Options {
 	public static function api($api, $model = null): array {
@@ -18,14 +19,16 @@ public static function api($api, $model = null): array {
         } else {
             $url = $api;
         }
-        $optionsApi = new OptionsApi([
+
+        $optionsApi = new ImageBoxesOptionsApi([
             'data'  => static::data($model),
             'fetch' => $fetch,
             'url'   => $url,
             'text'  => $text,
             'value' => $value,
             'image' => $image
         ]);
+
         return $optionsApi->options();
     }
 
@@ -74,7 +77,7 @@ public static function factory($options, array $props = [], $model = null): arra
                 $option = [
                     'value' => $option['value'],
                     'text'  => $option['text'],
-                    'image' => $option['image'],
+                    'image'  => $option['image'],
                 ];
             }
             // translate the option text

lib/options/imageboxes-optionsapi.php

@@ -0,0 +1,88 @@
+<?php
+
+use Kirby\Cms\Nest;
+use Kirby\Form\OptionsApi;
+use Kirby\Toolkit\Query;
+
+class ImageBoxesOptionsApi extends OptionsApi {
+    /**
+     * @var string
+     */
+    protected $image = '{{ item.image }}';
+
+    /**
+     * @return array
+     * @throws \Exception
+     * @throws \Kirby\Exception\InvalidArgumentException
+     */
+    public function options(): array
+    {
+        if (is_array($this->options) === true) {
+            return $this->options;
+        }
+
+        if (Url::isAbsolute($this->url()) === true) {
+            // URL, request via cURL
+            $data = Remote::get($this->url())->json();
+        } else {
+            // local file, get contents locally
+
+            // ensure the file exists before trying to load it as the
+            // file_get_contents() warnings need to be suppressed
+            if (is_file($this->url()) !== true) {
+                throw new Exception('Local file ' . $this->url() . ' was not found');
+            }
+
+            $content = @file_get_contents($this->url());
+
+            if (is_string($content) !== true) {
+                throw new Exception('Unexpected read error'); // @codeCoverageIgnore
+            }
+
+            if (empty($content) === true) {
+                return [];
+            }
+
+            $data = json_decode($content, true);
+        }
+
+        if (is_array($data) === false) {
+            throw new InvalidArgumentException('Invalid options format');
+        }
+
+        $result  = (new Query($this->fetch(), Nest::create($data)))->result();
+        $options = [];
+
+        foreach ($result as $item) {
+            // dump($item);
+            $data = array_merge($this->data(), ['item' => $item]);
+
+            $options[] = [
+                'text'  => $this->field('text', $data),
+                'value' => $this->field('value', $data),
+                // added this ↓
+                'image' => $this->field('image', $data),
+            ];
+        }
+
+        return $options;
+    }
+
+    /**
+     * @param string $text
+     * @return $this
+     */
+    protected function setImage(?string $image = null)
+    {
+        $this->image = $image;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function image(): string
+    {
+        return $this->image;
+    }
+}