Add more caching in the controller

[ujh]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.09%. Comparing base (fada69f) to head (f3f3e94).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2602      +/-   ##
==========================================
+ Coverage   70.06%   70.09%   +0.03%     
==========================================
  Files         285      285              
  Lines        4723     4729       +6     
  Branches      173      173              
==========================================
+ Hits         3309     3315       +6     
  Misses       1396     1396              
  Partials       18       18              

Flag	Coverage Δ
javascript	44.13% <ø> (ø)
ruby	85.09% <100.00%> (+0.02%)	⬆️

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