eva_entity_view does not return a renderable array containing cache information, so cache tags do not bubble up from View to Node
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2843000. -->
Reported by: [Phil Wolstenholme](https://www.drupal.org/user/366274)
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>I noticed an EVA View of related content was not updating when new nodes were added or existing nodes were edited or removed. The View was using a cache tag based caching approach, so the node_list cache context should have been invalidated whenever a node was altered.</p>
<p>I guessed that the View was being cached correctly, but that EVA wasn't passing the cache metadata to the node, so the page cache wasn't being invalidated when a node was altered.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Changing </p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br>$element </span><span style="color: #007700">= </span><span style="color: #0000BB">$view</span><span style="color: #007700">-></span><span style="color: #0000BB">executeDisplay</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">[</span><span style="color: #DD0000">'display'</span><span style="color: #007700">]);<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>in <code>eva_entity_view()</code> to:</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br>$element </span><span style="color: #007700">= </span><span style="color: #0000BB">$view</span><span style="color: #007700">-></span><span style="color: #0000BB">buildRenderable</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">[</span><span style="color: #DD0000">'display'</span><span style="color: #007700">]);<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>Results in the cache metadata being included as part of the renderable array, and this fixes my issue.</p>
<p>Before:</p>
<p><img src="https://www.drupal.org/files/issues/Screen%20Shot%202017-01-12%20at%2012.57.41.png" alt="No cache metadata is included in the renderable array"></p>
<p>After:</p>
<p><img src="https://www.drupal.org/files/issues/Screen%20Shot%202017-01-12%20at%2012.58.05.png" alt="The cache metadata has now been included"></p>
<h4>Relevant docs</h4>
<p><a href="https://api.drupal.org/api/drupal/core%21modules%21views%21src%21ViewExecutable.php/function/ViewExecutable%3A%3AexecuteDisplay/8.2.x">https://api.drupal.org/api/drupal/core%21modules%21views%21src%21ViewExecutable.php/function/ViewExecutable%3A%3AexecuteDisplay/8.2.x</a></p>
<blockquote><p>Builds the render array outline for the given display.</p>
<p>This render array has a #pre_render callback which will call ::executeDisplay in order to actually execute the view and then build the final render array structure.</p></blockquote>
<p><a href="https://api.drupal.org/api/drupal/core%21modules%21views%21src%21ViewExecutable.php/function/ViewExecutable%3A%3AbuildRenderable/8.2.x">https://api.drupal.org/api/drupal/core%21modules%21views%21src%21ViewExecutable.php/function/ViewExecutable%3A%3AbuildRenderable/8.2.x</a></p>
>>> [!note] Pre-migration files
- [Screen Shot 2017-01-12 at 12.57.41.png](https://www.drupal.org/files/issues/Screen%20Shot%202017-01-12%20at%2012.57.41.png)
- [Screen Shot 2017-01-12 at 12.58.05.png](https://www.drupal.org/files/issues/Screen%20Shot%202017-01-12%20at%2012.58.05.png)
>>>
issue
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