Allow users to set/update their display name in LDAP

app/services/ldap_manager/update_display_name.rb

@@ -0,0 +1,12 @@
+module LdapManager
+  class UpdateDisplayName < LdapManagerService
+    def initialize(dn, display_name)
+      @dn = dn
+      @display_name = display_name
+    end
+
+    def call
+      replace_attribute @dn, :displayName, @display_name
+    end
+  end
+end

app/services/ldap_manager/update_email.rb

@@ -6,7 +6,7 @@ module LdapManager
     end
 
     def call
-      replace_attribute @dn, :mail, [ @address ]
+      replace_attribute @dn, :mail, @address
     end
   end
 end