Current sync

app/models/money_move.rb

@@ -1,4 +1,25 @@
 class MoneyMove < ApplicationRecord
-  belongs_to :from_homie, class_name: 'Homie'
-  belongs_to :to_homie, class_name: 'Homie'
+  belongs_to :homie
+
+  def create_move(params)
+    common_params = { description: params[:description] } 
+
+    move_from = MoneyMove.new(
+      common_params + { 
+        homie_id: params[:from_homie_id],
+        amount: -BigDecimal.new(params[:amount])   
+      } 
+    )
+    move_to = MoneyMove.new(
+      common_params + { 
+        homie_id: params[:from_homie_id],
+        amount: BigDecimal.new(params[:amount])
+      }
+    )
+
+    MoneyMove.transaction do 
+      move_from.save!
+      move_to.save!
+    end
+  end
 end