Progress on dms, code cleanup

Progress on dms, code cleanup

app/models/chat_mute.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: chat_mutes
+#
+#  id                 :bigint(8)        not null, primary key
+#  created_at         :datetime         not null
+#  updated_at         :datetime         not null
+#  account_id         :bigint(8)        not null
+#  target_account_id  :bigint(8)        not null
+#
+
+class ChatMute < ApplicationRecord
+  include Paginable
+  include RelationshipCacheable
+
+  belongs_to :account
+  belongs_to :target_account, class_name: 'Account'
+
+  validates :account_id, uniqueness: { scope: :target_account_id }
+
+  after_commit :remove_blocking_cache
+
+  private
+
+  def remove_blocking_cache
+    Rails.cache.delete("exclude_chat_account_ids_for:#{account_id}")
+  end
+end