Commit 0f308f6

@@ -13,11 +13,9 @@ class Workout < ApplicationRecord
   scope :with_exercise, ->(exercise) do
     joins(:exercises).where(exercises: { id: exercise.id }).distinct
   end
-  scope :grouped_by_occurrence, ->(exercise) {
-    joins(:exercise_sets).
-      where(exercise_sets: { exercise_id: exercise }).
-      group('workouts.occurred_at')
-  }
+  scope :grouped_by_occurrence, ->(exercise) do
+    joins(:exercise_sets).where(exercise_sets: { exercise_id: exercise }).group(:occurred_at)
+  end
 
   def train(exercise, target_weight, repetitions:, set: nil)
     all_sets = sets.for(exercise).to_a