To display my computed value with Views, I've created a custom Views field who display the computed "Your price" value by taking the "Discount grid" of the current user (the query() function is empty to prevent Views to search the field value on the database). So, I try many things since I've open this question, without success.
I hope I didn't loose you, not easy to explain. Define a Cache ID (cid) value for your data.
CookieCacheContextTest.php in core/tests/Drupal/Tests/Core/Cache/Context/ 1 string reference to. To use the Cache API: Request a cache object through \Drupal::cache () or by injecting a cache service. Hierarchy 1 file declares its use of CookiesCacheContext. The association between the User and the Discount grid allow me to compute the "Your price" according to the family who belongs the "Product". Caching can either be permanent or valid only for a certain time span, and the cache can contain any type of data. To finish, the User entity has a reference field to a "Discount grid" content. Drupal\Core\Cache\Context\CacheContextsManager 45 string references to cachecontextsmanager AccessManagerTest::setUp in core/ tests/ Drupal/ Tests/ Core/ Access/ AccessManagerTest.php AccessResultTest::setUp in core/ tests/ Drupal/ Tests/ Core/ Access/ AccessResultTest. With a form_alter on this content type, I list each term of the "Family product" and associate them with a textfield who take a percent of the discount value the administrator grants to this grid. addCacheContexts tells Drupal to cache this Rendered array on our specific Context which is different for each Page Path. Whether you’re new to Drupal or a longtime member of the Drupal community, you’ll find new insights and connections to advance your career and your business at DrupalCon Pittsburgh, 5-8 June 2023. To compute this value, I have another content-type called "Discount grid". Follow the steps in Section 3.4, Preparing to Install, so that you have hosting set up for your development site, you know where the web root is for your development site, and you have an empty database and database user for your development site to use. "Your price" is not a field, because it's a computed value. My goal is to display a computed price the for User called "Your price". Having a cache means that Drupal doesn't need to go back to the database and ask all the elements of the page to re-render everything for every page request. Content is often reused across multiple pages and the cached object could be. 18th September 2022 - 12 minutes read time Drupal has a robust and dynamic cache system that allows complex pages to have different parts of it cached in different ways. They're sets because a single cache item can depend on (vary by) many cache contexts. 1 It will work only in case if custom controller exists. Cache contexts are used when a dependency exists on an environment-specific object. 9.3.x core/lib/Drupal/Core/Cache/Context/CacheContextsManager.php DrupalCoreCacheContextCacheContextsManager 9.1.x. Cache contexts are passed around in sets (order doesn't matter) of strings, so they are typehinted to string. Same name and namespace in other branches. This content type has a reference field to a Taxonomy called "Family product" and a "Public price" number field. A cache context is a string that refers to one of the available cache context services (see below).
I give some clarifications to my problem. In each hook I have changed the $view->element array. I already check this hook without success : In the configuration of the View, the cache is set "Tag based"Įach user have a specific property, and I want the Views to deal with it, without totally disable the cache of the Views. I have a requirement to expose a specific content type data via REST end point.I would like to set a user cache context to a Views, but I don't know where to do this (in what hook ?).
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