Catch script output/warnings

src/api/wishes.php

@@ -11,6 +11,8 @@ use wishthis\{User, Wish, EmbedCache};
 $api      = true;
 $response = array();
 
+ob_start();
+
 require '../../index.php';
 
 switch ($_SERVER['REQUEST_METHOD']) {
@@ -34,7 +36,7 @@ switch ($_SERVER['REQUEST_METHOD']) {
             $exists = $cache->exists() ? 'true' : 'false';
 
             $response = array(
-                'info' => $info
+                'info' => $info,
             );
         }
         break;
@@ -117,6 +119,8 @@ switch ($_SERVER['REQUEST_METHOD']) {
         break;
 }
 
+$response['warning'] = ob_get_clean();
+
 header('Content-type: application/json; charset=utf-8');
 echo json_encode($response);
 die();

src/assets/js/default.js

@@ -125,14 +125,19 @@ function handleFetchResponse(response) {
     var isJSON = response.headers.get('content-type')?.includes('application/json');
 
     if (isText) {
-        return response.text()
+        return response.text().then(function(text) {
-        .then(function(text) {
             if (text.toLowerCase().includes('error') || text.toLowerCase().includes('exception')) {
                 showError(text);
             }
         })
     } else if (isJSON) {
-        return response.json();
+        return response.json().then(function(json) {
+            if (json.warning) {
+                showWarning(json.warning)
+            }
+
+            return json;
+        });
     }
 }
 
@@ -159,3 +164,21 @@ function showError(error) {
             autoShow: true
         });
 }
+
+function showWarning(warning) {
+    warning = warning.replace('<br />', '');
+
+    $('body')
+        .modal({
+            title   : 'Warning',
+            content : warning,
+            class   : '',
+            actions : [
+                {
+                    text: 'Understood',
+                    class: 'primary'
+                }
+            ],
+            autoShow: true,
+        });
+}