Caching

[boazpoolman]

What does it do?

I've implemented a caching layer for sitemaps.
This cache is stored in the sitemap_cache table in the DB.
It stores the JSON representation of a sitemap.

As soon as a page gets edited, it will trigger a rebuild of the sitemap.
Instead of querying all (unedited pages) we will query the cache.
Then we'll query just the edited page and replace the old entry in the cache with the new.
Finally we will rebuild the sitemap XML based on the cache we just updated.

Why is it needed?

Fix performance issues

How to test it?

Install PR

Related issue(s)/PR(s)

#80, #83

[codecov-commenter]

Codecov Report

Patch coverage: 94.73% and project coverage change: +1.97 🎉

Comparison is base (aa04831) 89.02% compared to head (9fac109) 91.00%.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #120      +/-   ##
==========================================
+ Coverage   89.02%   91.00%   +1.97%     
==========================================
  Files           2        2              
  Lines          82      100      +18     
  Branches       32       37       +5     
==========================================
+ Hits           73       91      +18     
  Misses          9        9              

Flag	Coverage Δ
unit	91.00% <94.73%> (+1.97%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/utils/index.js	74.19% <94.73%> (+35.73%)	⬆️

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