From 91b399196ac8b409ec48a4c75ddac681c8b23b5a Mon Sep 17 00:00:00 2001
From: Brenda Wallace <brenda@brenda.nz>
Date: Sat, 14 Dec 2019 14:03:01 +1300
Subject: [PATCH] Cache some heavy queries on models

---
 app/models/concerns/photo_capable.rb    |  4 +++-
 app/models/concerns/predict_planting.rb | 18 ++++++++++--------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/app/models/concerns/photo_capable.rb b/app/models/concerns/photo_capable.rb
index 9cb440bd7..f96258f87 100644
--- a/app/models/concerns/photo_capable.rb
+++ b/app/models/concerns/photo_capable.rb
@@ -8,7 +8,9 @@ module PhotoCapable
     scope :has_photos, -> { includes(:photos).where.not(photos: { id: nil }) }
 
     def default_photo
-      most_liked_photo
+      Rails.cache.fetch("#{cache_key_with_version}/default_photo", expires_in: 8.hours) do
+        most_liked_photo
+      end
     end
 
     def most_liked_photo
diff --git a/app/models/concerns/predict_planting.rb b/app/models/concerns/predict_planting.rb
index e02fe5e5b..b43a70149 100644
--- a/app/models/concerns/predict_planting.rb
+++ b/app/models/concerns/predict_planting.rb
@@ -42,14 +42,16 @@ module PredictPlanting
     end
 
     def percentage_grown
-      if finished?
-        100
-      elsif !planted?
-        0
-      elsif crop.perennial || finish_predicted_at.nil?
-        nil
-      else
-        calculate_percentage_grown
+      Rails.cache.fetch("#{cache_key_with_version}/percentage_grown", expires_in: 8.hours) do
+        if finished?
+          100
+        elsif !planted?
+          0
+        elsif crop.perennial || finish_predicted_at.nil?
+          nil
+        else
+          calculate_percentage_grown
+        end
       end
     end