PHP fatal error when saving tasks with attachments
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3530491. -->
Reported by: [jeremyskinner](https://www.drupal.org/user/3564170)
Related to !10
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Since <a href="https://www.drupal.org/project/minikanban/issues/3529811">https://www.drupal.org/project/minikanban/issues/3529811</a> was merged, if a task has more than 1 attachment a php fatal error occurs when saving the task.</p>
<pre>PHP Fatal error: Nesting level too deep - recursive dependency? in /var/www/html/docroot/modules/contrib/minikanban/src/Entity/Task.php on line 166</pre><h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br></span><span style="color: #FF8000">// Load files that already exist.<br></span><span style="color: #0000BB">$file </span><span style="color: #007700">= \</span><span style="color: #0000BB">Drupal</span><span style="color: #007700">\</span><span style="color: #0000BB">file</span><span style="color: #007700">\</span><span style="color: #0000BB">Entity</span><span style="color: #007700">\</span><span style="color: #0000BB">File</span><span style="color: #007700">::</span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br></span><span style="color: #0000BB">$file2 </span><span style="color: #007700">= \</span><span style="color: #0000BB">Drupal</span><span style="color: #007700">\</span><span style="color: #0000BB">file</span><span style="color: #007700">\</span><span style="color: #0000BB">Entity</span><span style="color: #007700">\</span><span style="color: #0000BB">File</span><span style="color: #007700">::</span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br><br></span><span style="color: #FF8000">// Create a new task.<br></span><span style="color: #0000BB">$mytask </span><span style="color: #007700">= \</span><span style="color: #0000BB">Drupal</span><span style="color: #007700">\</span><span style="color: #0000BB">minikanban</span><span style="color: #007700">\</span><span style="color: #0000BB">Entity</span><span style="color: #007700">\</span><span style="color: #0000BB">Task</span><span style="color: #007700">::</span><span style="color: #0000BB">create</span><span style="color: #007700">();<br><br></span><span style="color: #FF8000">// Add the file to the task and save.<br></span><span style="color: #0000BB">$mytask</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'attachments'</span><span style="color: #007700">)-></span><span style="color: #0000BB">appendItem</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">);<br></span><span style="color: #0000BB">$mytask</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'attachments'</span><span style="color: #007700">)-></span><span style="color: #0000BB">appendItem</span><span style="color: #007700">(</span><span style="color: #0000BB">$file2</span><span style="color: #007700">);<br><br></span><span style="color: #FF8000">// Should save, but generates a php fatal.<br></span><span style="color: #0000BB">$mytask</span><span style="color: #007700">-></span><span style="color: #0000BB">save</span><span style="color: #007700">();<br></span><span style="color: #0000BB">?></span></span></pre></div>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>The above is caused due to the <code>array_unique</code> call in <code>Task::preSave</code> (line 166), as array_unique converts objects to strings to do the comparison.</p>
<p>Doing a uniqueness check on the file IDs rather than the file entities themselves should resolve this, but this would require ensuring that the files have already been saved before adding them to the attachments collection and I'm unsure if this is a safe assumption.</p>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<h3 id="summary-ui-changes">User interface changes</h3>
<h3 id="summary-api-changes">API changes</h3>
<h3 id="summary-data-model-changes">Data model changes</h3>
issue
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Project: project/minikanban
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