app/controllers/readings_controller.rb

@@ -6,25 +6,23 @@ class ReadingsController < ActionController::API
 
   # @see {https://docutopia.tupale.co/sutty:nodemecu:api}
   def create
-    Reading.transaction do
-      reading = raspberry.readings.build reading_params
-      reading.id = params[:transaction_uuid]
-      # TODO: Verificar firma
-      reading.signature = headers[:'X-Signature']
+    reading = raspberry.readings.build reading_params
+    reading.id = params[:transaction_uuid]
+    # TODO: Verificar firma
+    reading.signature = headers[:'X-Signature']
 
-      params[:arduinos]&.each do |a|
-        arduino = reading.arduinos.build local_id: a[:id], raspberry: raspberry
+    params[:arduinos]&.each do |a|
+      arduino = reading.arduinos.build local_id: a[:id]
 
-        a[:sensores]&.each do |s|
-          arduino.sensors.build(sensor_params s)
-        end
+      a[:sensores]&.each do |s|
+        arduino.sensors.build(sensor_params s)
       end
+    end
 
-      if reading.save
-        render plain: reading.id, status: :ok
-      else
-        head :bad_request
-      end
+    if reading.save
+      render plain: reading.uuid, status: :ok
+    else
+      head :bad_request
     end
   end
 
@@ -35,12 +33,13 @@ class ReadingsController < ActionController::API
   end
 
   def raspberry
-    @raspberry ||= Raspberry.find_or_create_by! name: params[:controller_id]
+    @raspberry ||= Raspberry.find_or_create_by! params[:controller_id]
   end
 
   # Procesa la transacción
   def reading_params
-    @reading_params ||= params.permit(:timestamp,
+    @reading_params ||= params.permit(:controller_id,
+                                      :timestamp,
                                       :error_code,
                                       :battery_status,
                                       :sample,
@@ -50,9 +49,7 @@ class ReadingsController < ActionController::API
 
   # Procesa los parámetros de un sensor
   def sensor_params(sensor)
-    sensor.permit(:timestamp, :type, :value, :unit, :error).tap do |p|
-      p[:local_type] = p.delete :type
-    end
+    sensor.permit(:timestamp, :type, :value, :unit, :error)
   end
 end
 

app/models/arduino.rb

@@ -3,5 +3,5 @@
 class Arduino < ApplicationRecord
   belongs_to :raspberry
   belongs_to :reading
-  has_many :sensors
+  has_many :sensores
 end

db/migrate/20220303170429_change_local_id_to_string.rb

@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-class ChangeLocalIdToString < ActiveRecord::Migration[6.1]
-  def change
-    change_column :arduinos, :local_id, :string
-  end
-end

db/migrate/20220303170706_change_type.rb

@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-class ChangeType < ActiveRecord::Migration[6.1]
-  def change
-    rename_column :sensors, :type, :local_type
-  end
-end

db/migrate/20220303170801_add_error_to_sensor.rb

@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-class AddErrorToSensor < ActiveRecord::Migration[6.1]
-  def change
-    add_column :sensors, :error, :integer
-  end
-end