Add email checking with validation event saving

app/interactions/actions/email_check.rb

@@ -0,0 +1,53 @@
+module Actions
+  class EmailCheck
+    attr_reader :email, :validation_eventable, :check_level
+
+    def initialize(email:, validation_eventable:, check_level: nil)
+      @email = email
+      @validation_eventable = validation_eventable
+      @check_level = check_level || :regex
+    end
+
+    def call
+      result = check_email
+      save_result(result)
+      log_failure(result) unless result.success
+      result.success
+    end
+
+    private
+
+    def check_email
+      Truemail.validate(email, with: check_level).result
+    end
+
+    def save_result(result)
+      validation_eventable.validation_events.create(validation_event_attrs(result))
+    end
+
+    def validation_event_attrs(result)
+      {
+        event_data: event_data(result),
+        event_type: ValidationEvent::EventType::TYPES[:email_validation],
+        success: result.success,
+      }
+    end
+
+    def logger
+      @logger ||= Rails.logger
+    end
+
+    def event_data(result)
+      result.to_h.merge(check_level: check_level)
+    end
+
+    def log_failure(result)
+      logger.info "Failed to validate email #{email} for the #{log_object_id}."
+      logger.info "Validation level #{check_level}, the result was #{result}"
+    end
+
+    def log_object_id
+      "#{validation_eventable.class}: #{validation_eventable.id}"
+    end
+  end
+end

app/models/validation_event.rb

@@ -1,9 +1,17 @@
-class ValidationEvent < ActiveRecord::Base
+# frozen_string_literal: true
+
+# Class to store validation events. Need to include boolean `success` field - was validation event
+# successful or not.
+# Types of events supported so far stored in ValidationEvent::EventType::TYPES
+# For email_validation event kind also check_level (regex/mx/smtp) is stored in the event_data
+class ValidationEvent < ApplicationRecord
   enum event_type: ValidationEvent::EventType::TYPES, _suffix: true
 
+  store_accessor :event_data, :errors, :check_level, :email
+
   belongs_to :validation_eventable, polymorphic: true
 
   def event_type
-    @event_type ||= ValidationEvent::EventType.new(read_attribute(:event_kind))
+    @event_type ||= ValidationEvent::EventType.new(self[:event_kind])
   end
 end

db/migrate/20210629074044_create_validation_events.rb

@@ -7,7 +7,7 @@ class CreateValidationEvents < ActiveRecord::Migration[6.1]
 
     create_table :validation_events do |t|
       t.jsonb :event_data
-      t.boolean :result
+      t.boolean :success
       t.references :validation_eventable, polymorphic: true
 
       t.timestamps

db/structure.sql

@@ -2612,7 +2612,7 @@ ALTER SEQUENCE public.users_id_seq OWNED BY public.users.id;
 CREATE TABLE public.validation_events (
     id bigint NOT NULL,
     event_data jsonb,
-    result boolean,
+    success boolean,
     validation_eventable_type character varying,
     validation_eventable_id bigint,
     created_at timestamp(6) without time zone NOT NULL,