Fix abs rubocop metric of create_activity (#101)

* Fix abs rubocop metric of create_activity

* Fix anothers rubocop issues

* Remove comment that was removed on master

app/models/conversation.rb

@@ -25,62 +25,48 @@ class Conversation < ApplicationRecord
 
   after_create :send_events, :run_round_robin
 
-
   acts_as_taggable_on :labels
 
   def update_assignee(agent = nil)
     self.assignee = agent
-    self.save!
+    save!
   end
 
   def update_labels(labels = nil)
     self.label_list = labels
-    self.save!
+    save!
   end
 
   def toggle_status
-    if open?
+    self.status = open? ? :resolved : :open
-      self.status = :resolved
+    save! ? true : false
-    else
-      self.status = :open
-    end
-    self.save! ? true : false
   end
 
   def lock!
     self.locked = true
-    self.save!
+    save!
   end
 
   def unlock!
     self.locked = false
-    self.save!
+    save!
   end
 
   def unread_messages
     # +1 is a hack to avoid https://makandracards.com/makandra/1057-why-two-ruby-time-objects-are-not-equal-although-they-appear-to-be
     # ente budhiparamaya neekam kandit entu tonunu?
-    messages.where("EXTRACT(EPOCH FROM created_at) > (?)", agent_last_seen_at.to_i + 1)
+    messages.where('EXTRACT(EPOCH FROM created_at) > (?)', agent_last_seen_at.to_i + 1)
   end
 
   def unread_incoming_messages
-    messages.incoming.where("EXTRACT(EPOCH FROM created_at) > (?)", agent_last_seen_at.to_i + 1)
+    messages.incoming.where('EXTRACT(EPOCH FROM created_at) > (?)', agent_last_seen_at.to_i + 1)
   end
 
   def push_event_data
-    last_message = messages.chat.last
     {
-      meta: {
+      meta: { sender: sender.push_event_data, assignee: assignee }, id: display_id,
-        sender: sender.push_event_data,
+      messages: [messages.chat.last&.push_event_data], inbox_id: inbox_id, status: status_before_type_cast.to_i,
-        assignee: assignee
+      timestamp: created_at.to_i, user_last_seen_at: user_last_seen_at.to_i, agent_last_seen_at: agent_last_seen_at.to_i,
-      },
-      id: display_id,
-      messages: [last_message.try(:push_event_data) ],
-      inbox_id: inbox_id,
-      status: status_before_type_cast.to_i,
-      timestamp: created_at.to_i,
-      user_last_seen_at: user_last_seen_at.to_i,
-      agent_last_seen_at: agent_last_seen_at.to_i,
       unread_count: unread_incoming_messages.count
     }
   end
@@ -103,19 +89,18 @@ class Conversation < ApplicationRecord
   end
 
   def send_email_notification_to_assignee
-    if assignee_id_changed? && assignee_id.present? && !self_assign?(assignee_id)
+    AssignmentMailer.conversation_assigned(self, assignee).deliver if assignee_id_changed? && assignee_id.present? && !self_assign?(assignee_id)
-      AssignmentMailer.conversation_assigned(self, self.assignee).deliver
-    end
   end
 
   def self_assign?(assignee_id)
     return false unless Current.user
+
     Current.user.id == assignee_id
   end
 
   def set_display_id
     self.display_id = loop do
-      disp_id = self.account.conversations.maximum("display_id").to_i + 1
+      disp_id = account.conversations.maximum('display_id').to_i + 1
       break disp_id unless account.conversations.exists?(display_id: disp_id)
     end
   end
@@ -123,8 +108,10 @@ class Conversation < ApplicationRecord
   def create_activity
     return unless Current.user
 
-    self.messages.create(activity_message_params(status_changed_message)) if status_changed?
+    user_name = Current.user&.name
-    self.messages.create(activity_message_params(assignee_changed_message)) if assignee_id_changed?
+
+    create_status_change_message(user_name) if status_changed?
+    create_assignee_change(username) if assignee_id_changed?
   end
 
   def status_changed_message
@@ -139,7 +126,7 @@ class Conversation < ApplicationRecord
     "Conversation unassigned by #{Current.user.try(:name)}"
   end
 
-  def activity_message_params content
+  def activity_message_params(content)
     {
       account_id: account_id,
       inbox_id: inbox_id,
@@ -166,13 +153,35 @@ class Conversation < ApplicationRecord
   end
 
   def run_round_robin
-    if true #conversation.account.has_feature?(round_robin)
+    return unless true # conversation.account.has_feature?(round_robin)
-      if true #conversation.account.round_robin_enabled?
+    return unless true # conversation.account.round_robin_enabled?
-        unless self.assignee #if not already assigned
+    return if assignee
-          new_assignee = self.inbox.next_available_agent
+
-          self.update_assignee(new_assignee) if new_assignee
+    new_assignee = inbox.next_available_agent
-        end
+    update_assignee(new_assignee) if new_assignee
-      end
+  end
-    end
+
+  def create_status_change_message(user_name)
+    content = if resolved?
+                "Conversation was marked resolved by #{user_name}"
+              else
+                "Conversation was reopened by #{user_name}"
+              end
+
+    messages.create(activity_message_params(content))
+  end
+
+  def create_assignee_change(username)
+    content = if assignee_id
+                "Assigned to #{assignee.name} by #{username}"
+              else
+                "Conversation unassigned by #{username}"
+              end
+
+    messages.create(activity_message_params(content))
+  end
+
+  def resolved_and_assignee?
+    resolved? && assignee.present?
   end
 end