Homies and money moves

app/controllers/homies_controller.rb

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+class HomiesController < ApplicationController::API
+end

app/controllers/money_moves_controller.rb

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+class MoneyMovesController < ApplicationController::API
+  def list
+    json_response(MoneyMove.find(:all).order(:created_at))
+  end
+
+  def create
+   money_move = MoneyMove.new(money_move_params)
+   if money_move.save
+     json_response(money_move)
+   else
+     error_response(:bad_request)
+   end
+  end
+
+  def money_move_params 
+    params.require(:money_moves).permit(
+      :description, 
+      :amount, 
+      :from_homie_id, 
+      :to_homie_id
+    )
+  end
+end

app/models/concerns/json_response.rb

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+module Response
+  def json_response(object, status = :ok)
+    render json: object, status: status
+  end
+end

app/models/homie.rb

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+class Homie < ApplicationRecord
+  has_many :money_moves_from, class_name: 'MoneyMove', column: :from_homie_id
+  has_many :money_moves_to, class_name: 'MoneyMove', column: :to_homie_id
+end

app/models/money_move.rb

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+class MoneyMove < ApplicationRecord
+  belongs_to :from_homie, class_name: 'Homie'
+  belongs_to :to_homie, class_name: 'Homie'
+end