display event picture (#23)

source/changelog.txt

@@ -1,5 +1,6 @@
 ### [Unreleased]
 #### Added
+- Display event picture if available
 #### Changed
 #### Deprecated
 #### Removed

source/front/events-displayer.js

@@ -1,5 +1,5 @@
 import Formatter from './formatter.js'
-import { createAnchorElement } from './html-creator.js'
+import { createAnchorElement, createImageElement } from './html-creator.js'
 
 export function clearEventsList(container) {
   const list = container.querySelector('ul')
@@ -18,6 +18,19 @@ export function displayEvents({ events, document, container, maxEventsCount }) {
   const list = container.querySelector('ul')
   for (let i = 0; i < eventsCount; i++) {
     const li = document.createElement('li')
+    li.style.lineHeight = '150%'
+    li.style.marginTop = '20px'
+
+    if (events[i].picture) {
+      const img = createImageElement({
+        document,
+        alt: events[i].picture.alt ? events[i].picture.alt : '',
+        src: events[i].picture.base64 ? events[i].picture.base64 : '',
+      })
+      img.style.display = 'block'
+      img.style.maxWidth = '100%'
+      li.appendChild(img)
+    }
 
     const a = createAnchorElement({
       document,

source/front/html-creator.js

@@ -5,3 +5,10 @@ export function createAnchorElement({ document, text, url }) {
   a.innerHTML = text
   return a
 }
+
+export function createImageElement({ document, alt, src }) {
+  const img = document.createElement('img')
+  img.setAttribute('alt', alt)
+  img.setAttribute('src', src)
+  return img
+}

source/includes/GraphQlClient.php

@@ -40,6 +40,11 @@ final class GraphQlClient {
             physicalAddress {
               description,
               locality
+            },
+            picture {
+              alt,
+              contentType,
+              url
             }
           },
           total
@@ -57,6 +62,17 @@ final class GraphQlClient {
     self::checkData($data);
 
     $events = $data['data']['events']['elements'];
+    foreach ($events as &$event) {
+      if ($event['picture']) {
+        $picture_response = self::download_image($event['picture']['url']);
+        if ($picture_response !== false) {
+          $picture_encoded = 'data:' . $event['picture']['contentType'] . ';base64,' . base64_encode($picture_response);
+          $event['picture']['base64'] = $picture_encoded;
+        }
+      }
+      unset($event);
+    }
+
     EventsCache::set(['url' => $url, 'query' => $query, 'limit' => $limit], $events);
     return $events;
   }
@@ -75,6 +91,11 @@ final class GraphQlClient {
               physicalAddress {
                 description,
                 locality
+              },
+              picture {
+                alt,
+                contentType,
+                url
               }
             },
             total
@@ -95,6 +116,18 @@ final class GraphQlClient {
     self::checkData($data);
 
     $events = $data['data']['group']['organizedEvents']['elements'];
+    
+    foreach ($events as &$event) {
+      if ($event['picture']) {
+        $picture_response = self::download_image($event['picture']['url']);
+        if ($picture_response !== false) {
+          $picture_encoded = 'data:' . $event['picture']['contentType'] . ';base64,' . base64_encode($picture_response);
+          $event['picture']['base64'] = $picture_encoded;
+        }
+      }
+      unset($event);
+    }
+
     EventsCache::set(['url' => $url, 'query' => $query, 'afterDatetime' => $afterDatetime, 'groupName' => $groupName, 'limit' => $limit], $events);
     return $events;
   }
@@ -110,4 +143,28 @@ final class GraphQlClient {
       }
     }
   }
+
+  private static function download_image($url) {
+    // Initialize curl handle
+    $ch = curl_init($url);
+
+    // Set curl options
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
+    curl_setopt($ch, CURLOPT_TIMEOUT, 60); // Set timeout to 60 seconds (adjust as needed)
+
+    // Execute the request
+    $image_data = curl_exec($ch);
+
+    // Check for errors
+    if (curl_errno($ch)) {
+      print_r(curl_error($ch));
+      throw new \Error('Error: ' . curl_error($ch));
+    }
+
+    // Close curl handle
+    curl_close($ch);
+
+    return $image_data;
+  }
 }

source/view/events-list.php

@@ -9,7 +9,10 @@ if (!defined('ABSPATH')) {
 <div class="<?php echo esc_attr($classNamePrefix); ?>_events-list">
   <ul style="list-style-type: none; padding-left: 0;">
     <?php foreach ($events as $event) { ?>
-    <li style="margin-top: 10px;">
+    <li style="line-height: 150%; margin-top: 20px;">
+      <?php if (isset($event['picture'])) { ?>
+      <img alt="<?php echo esc_attr($event['picture']['alt']); ?>" src="<?php echo esc_attr($event['picture']['base64']); ?>" style="display: block; max-width: 100%;">
+      <?php } ?>
       <a href="<?php echo esc_attr($event['url']); ?>"><?php echo esc_html_e($event['title']); ?></a>
       <br>
       <?php echo esc_html_e(Formatter::format_date($locale, $timeZone, $event['beginsOn'], $event['endsOn'], $isShortOffsetNameShown)); ?>