separate site setting for showing full name in emails

app/mailers/user_notifications.rb

@@ -127,7 +127,7 @@ class UserNotifications < ActionMailer::Base
       title: post.topic.title,
       post: post,
       username: post.user.username,
-      from_alias: SiteSetting.enable_names ? post.user.name : post.user.username,
+      from_alias: SiteSetting.enable_email_names ? post.user.name : post.user.username,
       allow_reply_by_email: true,
       use_site_subject: true,
       add_re_to_subject: true,
@@ -172,7 +172,7 @@ class UserNotifications < ActionMailer::Base
     return unless @post = opts[:post]
 
     user_name = @notification.data_hash[:original_username]
-    if @post && SiteSetting.enable_names
+    if @post && SiteSetting.enable_email_names
       user_name = User.find_by(id: @post.user_id).name
     end
 

config/locales/server.en.yml

@@ -941,6 +941,8 @@ en:
     strip_images_from_short_emails: "Strip images from emails having size less than 2800 Bytes"
     short_email_length: "Short email length in Bytes"
 
+    enable_email_names: "Allow showing user full name in emails. Disable to hide full name in emails."
+
     pop3_polling_enabled: "Poll via POP3 for email replies."
     pop3_polling_ssl: "Use SSL while connecting to the POP3 server. (Recommended)"
     pop3_polling_period_mins: "The period in minutes between checking the POP3 account for email. NOTE: requires restart."

config/site_settings.yml

@@ -416,6 +416,7 @@ email:
   disable_emails: false
   strip_images_from_short_emails: true
   short_email_length: 2800
+  enable_email_names: true
 
 files:
   max_image_size_kb:

spec/mailers/user_notifications_spec.rb

@@ -80,7 +80,7 @@ describe UserNotifications do
     let(:notification) { Fabricate(:notification, user: user) }
 
     it 'generates a correct email' do
-      SiteSetting.stubs(:enable_names).returns(true)
+      SiteSetting.stubs(:enable_email_names).returns(true)
       mail = UserNotifications.user_replied(response.user, post: response, notification: notification)
 
       # from should include full user name
@@ -121,7 +121,7 @@ describe UserNotifications do
     let(:notification) { Fabricate(:notification, user: user) }
 
     it 'generates a correct email' do
-      SiteSetting.stubs(:enable_names).returns(false)
+      SiteSetting.stubs(:enable_email_names).returns(false)
       mail = UserNotifications.user_posted(response.user, post: response, notification: notification)
 
       # from should not include full user name if "show user full names" is disabled
@@ -150,7 +150,7 @@ describe UserNotifications do
     let(:notification) { Fabricate(:notification, user: user) }
 
     it 'generates a correct email' do
-      SiteSetting.stubs(:enable_names).returns(true)
+      SiteSetting.stubs(:enable_email_names).returns(true)
       mail = UserNotifications.user_private_message(response.user, post: response, notification: notification)
 
       # from should include full user name
@@ -239,7 +239,7 @@ describe UserNotifications do
       end
 
       it "has a from alias" do
-        SiteSetting.stubs(:enable_names).returns(true)
+        SiteSetting.stubs(:enable_email_names).returns(true)
         expects_build_with(has_entry(:from_alias, "#{user.name}"))
       end