Use page version's updated_at timestamp as cache key
#2862
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #2862 +/- ##
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+ Coverage 95.86% 95.93% +0.07%
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Files 229 229
Lines 6211 6224 +13
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+ Hits 5954 5971 +17
+ Misses 257 253 -4 ☔ View full report in Codecov by Sentry. |
tvdeyen
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May 7, 2024
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tvdeyen
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May 8, 2024
Currently, it's hard for us to invalidate caches for Alchemy pages when content that's referenced through ingredients with related objects changes. For example, in a situation where a user combines Alchemy and Solidus using the `alchemy_solidus` gem, a page's cache key does not update when a product that's referenced through a SpreeProduct ingredient changes. There's a PR up on the alchemy_solidus gem that touches ingredients in these situations, and with this change, that touching can be used for breaking caches. [1] In the unlikely event the requested version is not available, we use the page's updated_at timestamp as a fallback. The core of the logic has been moved to a new `#last_modified_at` method that can be used for the last-modified header in HTTP responses. [1](AlchemyCMS/alchemy-solidus#108)
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Without this, the previous commit will not do what we expect. If we don´t update the page version's updated at, it will not serve as a good cache invalidator.
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tvdeyen
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May 14, 2024
We should not cache empty responses.
tvdeyen
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What is this pull request for?
Currently, it's hard for us to invalidate caches for Alchemy pages when content that's referenced through ingredients with related objects changes.
For example, in a situation where a user combines Alchemy and Solidus using the
alchemy_solidusgem, a page's cache key does not update when a product that's referenced through a SpreeProduct ingredient changes.There's a PR up on the alchemy_solidus gem that touches ingredients in these situations, and with this change, that touching can be used for breaking caches. [1]
1
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