Commit 7972940

@@ -6,6 +6,10 @@ class TrainingSession < ActiveRecord::Base
   def self.create_workout_from(workout_row)
     program = Program.find_by(name: "StrongLifts 5×5")
     workout = program.workouts.find_by(name: workout_row.workout)
+
+    matching_workouts = where(occurred_at: workout_row.date)
+    return matching_workouts.first if matching_workouts.any?
+
     transaction do
       session = create!(workout: workout, occurred_at: workout_row.date)
 

@@ -67,5 +67,10 @@ describe TrainingSession, type: :model do
       expect(row_session.sets[3]).to eql("4")
       expect(row_session.sets[4]).to eql("4")
     end
+
+    it 'excludes items that have already been imported' do
+      training_session = user.training_sessions.create_workout_from(workout_row)
+      expect(user.training_sessions.create_workout_from(workout_row)).to eql(training_session)
+    end
   end
 end