Improved fully working version

README.md

@@ -25,7 +25,10 @@ Things you may want to cover:
 
 ### From the console
 
+```
 EMAIL=email@outlook.com PASSWORD=micontrasenia bundle exec rake monitor:run
+```
+
 ### From the Rails console
 
 ```

app/interactors/monitor_inbox.rb

@@ -2,9 +2,17 @@ class MonitorInbox
   include Interactor
 
   AUTHORIZED_SENDERS = [
-    "rodolfo.leyes@gmail.com"
+    "rodolfo.leyes@gmail.com",
+    "ing_rodolfo_utn@hotmail.com"
   ]
+
+  VALID_ACTION_TERMS = [
+    "encender",
+    "poweron",
+  ]
+
   def call
+    context.actions_executed_count=0
     email = context.email || ENV["EMAIL"]
     password = context.password || ENV["PASSWORD"]
 
@@ -12,11 +20,22 @@ class MonitorInbox
       email: email,
       password: password,
       # TODO: We need the process to be intelligent and know when was it's last execution
-      query_from: Time.now - 3.days
+      query_from: calculate_from_time
     )
 
-    context.emails_arr = fetch_emails_res.messages
-    analyze_emails(context.emails_arr)
+    emails_arr = fetch_emails_res.messages
+    analyze_emails(emails_arr)
+    context.analyzed_emails_count = emails_arr.count
+  end
+
+  def calculate_from_time
+    latest_action_log = ActionLog.last
+    time = if latest_action_log
+             latest_action_log.created_at
+           else
+             Time.now
+           end
+    time
   end
 
   def analyze_emails(emails_arr)
@@ -29,11 +48,26 @@ class MonitorInbox
   end
 
   def is_action_email?(email)
-    # For now we only recognize the encender action
-    email.subject.downcase.include?("encender") && AUTHORIZED_SENDERS.include?(email.from.downcase)
+    VALID_ACTION_TERMS.include?(email.subject.downcase) && AUTHORIZED_SENDERS.include?(email.from.downcase)
   end
 
   def ejecutar_accion(email)
+    al=ActionLog.new(
+      from: email.from,
+      subject: email.subject,
+      created_at: email.date
+    )
 
+    if al.valid?
+      puts "Executing action..."
+      command = ENV["COMANDO_ACCION"]
+      system(command)
+      context.actions_executed_count+=1
+      al.save!
+    else
+      # We're using the validate uniqueness of ActionLog to detect duplicate actions
+      # we have already processed if we get this exception we should not execute it
+      puts "We have already executed this action"
+    end
   end
 end

app/models/action_log.rb

@@ -0,0 +1,3 @@
+class ActionLog < ApplicationRecord
+  validates :created_at, uniqueness: true
+end

db/migrate/20220307195441_add_action_logs_table.rb

@@ -0,0 +1,10 @@
+class CreateActionLogs < ActiveRecord::Migration[7.0]
+  def change
+    create_table :action_logs do |t|
+      t.string :from
+      t.string :subject
+      t.timestamps
+    end
+  end
+end
+

db/schema.rb

@@ -0,0 +1,21 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[7.0].define(version: 2022_03_07_195441) do
+  create_table "action_logs", force: :cascade do |t|
+    t.string "from"
+    t.string "subject"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+end

lib/tasks/monitor.rake

@@ -1,6 +1,9 @@
 namespace :monitor do
   desc "executes the monitoring logic"
   task :run => :environment do
-    MonitorInbox.call!
+    puts "About to check #{ENV["EMAIL"]} inbox..."
+    res = MonitorInbox.call!
+    puts "A total of #{res.analyzed_emails_count} new emails were analyzed"
+    puts "A total of #{res.actions_executed_count} actions were triggered"
   end
 end

test/fixtures/action_logs.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+# This model initially had no columns defined. If you add columns to the
+# model remove the "{}" from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+# column: value

test/models/action_log_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class ActionLogTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end