Chore: clean up Reporting Events (#4044)

Tech debt clean up

Fixes #4057

Co-authored-by: Aswin Dev P S <aswin@chatwoot.com>

app/models/reporting_event.rb

@@ -0,0 +1,33 @@
+# == Schema Information
+#
+# Table name: reporting_events
+#
+#  id              :bigint           not null, primary key
+#  name            :string
+#  value           :float
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#  account_id      :integer
+#  conversation_id :integer
+#  inbox_id        :integer
+#  user_id         :integer
+#
+# Indexes
+#
+#  index_reporting_events_on_account_id  (account_id)
+#  index_reporting_events_on_created_at  (created_at)
+#  index_reporting_events_on_inbox_id    (inbox_id)
+#  index_reporting_events_on_name        (name)
+#  index_reporting_events_on_user_id     (user_id)
+#
+
+class ReportingEvent < ApplicationRecord
+  validates :account_id, presence: true
+  validates :name, presence: true
+  validates :value, presence: true
+
+  belongs_to :account
+  belongs_to :user, optional: true
+  belongs_to :inbox, optional: true
+  belongs_to :conversation, optional: true
+end