Add cache reset buttons (#7060)

app/commands/track/retrieve_categories.rb

@@ -1,6 +1,8 @@
 class Track::RetrieveCategories
   include Mandate
 
+  CACHE_KEY = "Track::RetrieveCategories".freeze
+
   def call
     Rails.cache.fetch(CACHE_KEY, expires_in: CACHE_EXPIRY) do
       Track.order(:title).
@@ -53,8 +55,7 @@ def repo_topics
     end.sort.to_h
   end
 
-  CACHE_KEY = "Track::RetrieveCategories/1".freeze
   CACHE_EXPIRY = 1.day.freeze
   CATEGORIES = %w[wip-track unmaintained maintained maintained-autonomous maintained-solitary].freeze
-  private_constant :CACHE_KEY, :CACHE_EXPIRY, :CATEGORIES
+  private_constant :CACHE_EXPIRY, :CATEGORIES
 end

app/commands/track/retrieve_maintainers_status.rb

@@ -4,6 +4,7 @@ class Track::RetrieveMaintainersStatus
   MIN_REP_FOR_MEMBER = 50
   MIN_REP_FOR_CANDIDATE = 100
   LAST_NUMBER_OF_MONTHS_FOR_REP = 9
+  CACHE_KEY = "Track::RetrieveMaintainersStatus".freeze
 
   def call
     Rails.cache.fetch(CACHE_KEY, expires_in: CACHE_EXPIRY) do
@@ -110,7 +111,6 @@ def track_slugs = tracks.pluck(:slug)
   memoize
   def rep_cutoff_date = Time.zone.today - LAST_NUMBER_OF_MONTHS_FOR_REP.months
 
-  CACHE_KEY = "Track::RetrieveMaintainersStatus/5".freeze
   CACHE_EXPIRY = 1.day.freeze
-  private_constant :CACHE_KEY, :CACHE_EXPIRY
+  private_constant :CACHE_EXPIRY
 end

app/controllers/maintaining/track_categories_controller.rb

@@ -2,4 +2,9 @@ class Maintaining::TrackCategoriesController < Maintaining::BaseController
   def index
     @track_categories = Track::RetrieveCategories.()
   end
+
+  def create
+    Rails.cache.delete Track::RetrieveCategories::CACHE_KEY
+    redirect_to maintaining_track_categories_path
+  end
 end

app/controllers/maintaining/track_maintainers_controller.rb

@@ -2,4 +2,9 @@ class Maintaining::TrackMaintainersController < Maintaining::BaseController
   def index
     @track_maintainers_status = Track::RetrieveMaintainersStatus.()
   end
+
+  def create
+    Rails.cache.delete Track::RetrieveMaintainersStatus::CACHE_KEY
+    redirect_to maintaining_track_maintainers_path
+  end
 end

app/views/maintaining/track_categories/index.html.haml

@@ -44,3 +44,6 @@
         %tr
           %td #{link_to track.title, Exercism::Routes.track_url(track)} (#{link_to 'GitHub repo', track.repo_url})
           %td= category
+
+  %p.mb-16
+    = button_to "Clear cache", maintaining_track_categories_path, method: :post, form: { data: { turbo_confirm: "Are you sure? This is an expensive operation" } }, class: 'btn btn-warning'

app/views/maintaining/track_maintainers/index.html.haml

@@ -102,3 +102,6 @@
             %ul
             - maintainers[:unlinked].each do |maintainer|
               %li #{link_to maintainer[:github_username], "https://github.com/#{maintainer[:github_username]}"} (#{link_to 'commits', "#{track.repo_url}/commits?author=#{maintainer[:github_username]}"})
+
+  %p.mb-16
+    = button_to "Clear cache", maintaining_track_maintainers_path, method: :post, form: { data: { turbo_confirm: "Are you sure? This is an expensive operation" } }, class: 'btn btn-warning'

config/routes.rb

@@ -152,8 +152,8 @@
     resources :submissions, only: [:index]
     resources :exercise_representations
     resources :site_updates, except: [:destroy]
-    resources :track_maintainers, only: [:index]
-    resources :track_categories, only: [:index]
+    resources :track_maintainers, only: %i[index create]
+    resources :track_categories, only: %i[index create]
   end
 
   namespace :contributing do