diff --git a/app/services/discourse_rewind/rewind/action/activity_calendar.rb b/app/services/discourse_rewind/rewind/action/activity_calendar.rb
index 6fd1fda..56193a7 100644
--- a/app/services/discourse_rewind/rewind/action/activity_calendar.rb
+++ b/app/services/discourse_rewind/rewind/action/activity_calendar.rb
@@ -7,7 +7,7 @@ module DiscourseRewind
     FakeData = {
       data:
         (Date.new(2024, 1, 1)..Date.new(2024, 12, 31)).map do |date|
-          { date:, post_count: rand(0..20), visited: false }
+          { date: date.strftime("%Y-%m-%d"), post_count: rand(0..20), visited: false }
         end,
       identifier: "activity-calendar",
     }
@@ -33,7 +33,13 @@ module DiscourseRewind
           )
           .group("generate_series, user_visits.id")
           .order("generate_series")
-          .map { |row| { date: row.date, post_count: row.post_count, visited: row.visited } }
+          .map do |row|
+            {
+              date: row.date.strftime("%Y-%m-%d"),
+              post_count: row.post_count,
+              visited: row.visited,
+            }
+          end
 
       { data: calendar, identifier: "activity-calendar" }
     end
diff --git a/app/services/discourse_rewind/rewind/action/reactions.rb b/app/services/discourse_rewind/rewind/action/reactions.rb
index 987cd51..1b6d74e 100644
--- a/app/services/discourse_rewind/rewind/action/reactions.rb
+++ b/app/services/discourse_rewind/rewind/action/reactions.rb
@@ -6,32 +6,32 @@ module DiscourseRewind
     FakeData = {
       data: {
         post_received_reactions: {
-          "open_mouth" => 2,
-          "cat" => 32,
-          "dog" => 34,
-          "heart" => 45,
-          "grinning" => 82,
+          open_mouth: 2,
+          cat: 32,
+          dog: 34,
+          heart: 45,
+          grinning: 82,
         },
         post_used_reactions: {
-          "open_mouth" => 2,
-          "cat" => 32,
-          "dog" => 34,
-          "heart" => 45,
-          "grinning" => 82,
+          open_mouth: 2,
+          cat: 32,
+          dog: 34,
+          heart: 45,
+          grinning: 82,
         },
         chat_used_reactions: {
-          "open_mouth" => 2,
-          "cat" => 32,
-          "dog" => 34,
-          "heart" => 45,
-          "grinning" => 82,
+          open_mouth: 2,
+          cat: 32,
+          dog: 34,
+          heart: 45,
+          grinning: 82,
         },
         chat_received_reactions: {
-          "open_mouth" => 2,
-          "cat" => 32,
-          "dog" => 34,
-          "heart" => 45,
-          "grinning" => 82,
+          open_mouth: 2,
+          cat: 32,
+          dog: 34,
+          heart: 45,
+          grinning: 82,
         },
       },
       identifier: "reactions",
diff --git a/app/services/discourse_rewind/rewind/fetch.rb b/app/services/discourse_rewind/rewind/fetch.rb
index 082bfb5..dd8f9ed 100644
--- a/app/services/discourse_rewind/rewind/fetch.rb
+++ b/app/services/discourse_rewind/rewind/fetch.rb
@@ -51,19 +51,19 @@ module DiscourseRewind
     end
 
     def fetch_reports(date:, user:, guardian:, year:)
-      # key = "rewind:#{guardian.user.username}:#{year}"
-      # reports = Discourse.redis.get(key)
+      key = "rewind:#{guardian.user.id}:#{year}"
+      cached_reports = Discourse.redis.get(key)
 
-      # if Rails.env.development? || !reports
-      reports =
-        ::DiscourseRewind::Rewind::Action::BaseReport
-          .descendants
-          .filter { _1.enabled? }
-          .map { |report| report.call(date:, user:, guardian:) }
-      #   Discourse.redis.setex(key, CACHE_DURATION, MultiJson.dump(reports))
-      # else
-      #   reports = MultiJson.load(reports.compact, symbolize_keys: true)
-      # end
+      if !cached_reports
+        reports =
+          ::DiscourseRewind::Rewind::Action::BaseReport
+            .descendants
+            .filter { _1.enabled? }
+            .map { |report| report.call(date:, user:, guardian:) }
+        Discourse.redis.setex(key, CACHE_DURATION, reports.to_json)
+      else
+        reports = JSON.parse(cached_reports, symbolize_names: true)
+      end
 
       reports
     end