Allow users to set/update their display name in LDAP

app/controllers/settings_controller.rb

@@ -12,12 +12,21 @@ class SettingsController < ApplicationController
   end
 
   def update
-    @user.preferences.merge! user_params[:preferences]
-    @user.save!
+    @user.preferences.merge!(user_params[:preferences] || {})
+    @user.display_name = user_params[:display_name]
+
+    if @user.save
+      if @user.display_name && (@user.display_name != @user.ldap_entry[:display_name])
+        LdapManager::UpdateDisplayName.call(@user.dn, user_params[:display_name])
+      end
 
       redirect_to setting_path(@settings_section), flash: {
         success: 'Settings saved.'
       }
+    else
+      @validation_errors = @user.errors
+      render :show, status: :unprocessable_entity
+    end
   end
 
   def update_email
@@ -59,15 +68,16 @@ class SettingsController < ApplicationController
       end
     end
 
+    def set_user
+      @user = current_user
+    end
+
     def user_params
-    params.require(:user).permit(preferences: [
+      params.require(:user).permit(:display_name, preferences: [
         :lightning_notify_sats_received,
         :xmpp_exchange_contacts_with_invitees
       ])
     end
-    def set_user
-      @user = current_user
-    end
 
     def email_params
       params.require(:user).permit(:email, :current_password)

app/models/user.rb

@@ -1,6 +1,8 @@
 class User < ApplicationRecord
   include EmailValidatable
 
+  attr_accessor :display_name
+
   serialize :preferences, UserPreferences
 
   # Relations
@@ -17,7 +19,7 @@ class User < ApplicationRecord
   has_many :accounts, through: :lndhub_user
 
   validates_uniqueness_of :cn
-  validates_length_of :cn, :minimum => 3
+  validates_length_of :cn, minimum: 3
   validates_format_of :cn, with: /\A([a-z0-9\-])*\z/,
                            if: Proc.new{ |u| u.cn.present? },
                            message: "is invalid. Please use only letters, numbers and -"
@@ -31,6 +33,8 @@ class User < ApplicationRecord
   validates_uniqueness_of :email
   validates :email, email: true
 
+  validates_length_of :display_name, minimum: 3, maximum: 35, allow_blank: true
+
   scope :confirmed, -> { where.not(confirmed_at: nil) }
   scope :pending,   -> { where(confirmed_at: nil) }
 
@@ -115,8 +119,13 @@ class User < ApplicationRecord
     @dn = Devise::LDAP::Adapter.get_dn(self.cn)
   end
 
-  def ldap_entry
-    ldap.fetch_users(uid: self.cn, ou: self.ou).first
+  def ldap_entry(reload: false)
+    return @ldap_entry if defined?(@ldap_entry) && !reload
+    @ldap_entry = ldap.fetch_users(uid: self.cn, ou: self.ou).first
+  end
+
+  def display_name
+    @display_name ||= ldap_entry[:display_name]
   end
 
   def services_enabled

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

app/services/ldap_service.rb

@@ -50,7 +50,7 @@ class LdapService < ApplicationService
       treebase = ldap_config["base"]
     end
 
-    attributes = %w{dn cn uid mail admin service}
+    attributes = %w{dn cn uid mail displayName admin service}
     filter     = Net::LDAP::Filter.eq("uid", args[:uid] || "*")
 
     entries = ldap_client.search(base: treebase, filter: filter, attributes: attributes)
@@ -59,6 +59,7 @@ class LdapService < ApplicationService
       {
         uid: e.uid.first,
         mail: e.try(:mail) ? e.mail.first : nil,
+        display_name: e.try(:displayName) ? e.displayName.first : nil,
         admin: e.try(:admin) ? 'admin' : nil,
         service: e.try(:service)
       }

app/views/settings/_account.html.erb

@@ -34,7 +34,7 @@
         <%= f.password_field :current_password, class: "w-full", required: true %>
       </p>
       <p class="mt-6">
-        <%= f.submit "Update", class: "btn-md btn-blue" %>
+        <%= f.submit "Update", class: "btn-md btn-blue w-full md:w-auto" %>
       </p>
     </div>
   <% end %>

app/views/settings/_profile.html.erb

@@ -21,10 +21,15 @@
   <p class="text-sm text-gray-500">
     Your user address for Chat and Lightning Network.
   </p>
-
-  <%# <%= form_for(@user, as: "profile", url: settings_profile_path) do |f| %>
-  <%#   <p class="mt-8">
-  <%#     <%= f.submit "Save changes", class: 'btn-md btn-blue w-full sm:w-auto' %>
-  <%#   </p>
-  <%# <% end %>
+  <%= form_for(@user, url: setting_path(:profile), html: { :method => :put }) do |f| %>
+    <%= render FormElements::FieldsetComponent.new(tag: "div", title: "Display name") do %>
+      <%= f.text_field :display_name, class: "w-full sm:w-3/5 mb-2" %>
+      <% if @validation_errors.present? && @validation_errors[:display_name].present? %>
+        <p class="error-msg"><%= @validation_errors[:display_name].first %></p>
+      <% end %>
+    <% end %>
+    <p class="mt-8 pt-6 border-t border-gray-200 text-right">
+      <%= f.submit 'Save', class: "btn-md btn-blue w-full md:w-auto" %>
+    </p>
+  <% end %>
 </section>

app/views/shared/_sidenav_settings.html.erb

@@ -1,20 +1,20 @@
 <%= render SidenavLinkComponent.new(
   name: "Profile", path: setting_path(:profile), icon: "user",
-  active: current_page?(setting_path(:profile))
+  active: @settings_section.to_s == "profile"
 ) %>
 <%= render SidenavLinkComponent.new(
   name: "Account", path: setting_path(:account), icon: "key",
-  active: current_page?(setting_path(:account))
+  active: @settings_section.to_s == "account"
 ) %>
 <% if Setting.ejabberd_enabled %>
 <%= render SidenavLinkComponent.new(
   name: "Chat", path: setting_path(:xmpp), icon: "message-circle",
-  active: current_page?(setting_path(:xmpp))
+  active: @settings_section.to_s == "xmpp"
 ) %>
 <% end %>
 <% if Setting.lndhub_enabled %>
 <%= render SidenavLinkComponent.new(
   name: "Lightning", path: setting_path(:lightning), icon: "zap",
-  active: current_page?(setting_path(:lightning))
+  active: @settings_section.to_s == "lightning"
 ) %>
 <% end %>

config/routes.rb

@@ -28,6 +28,7 @@ Rails.application.routes.draw do
 
   resources :settings, param: 'section', only: ['index', 'show', 'update'] do
     collection do
+      post 'update_profile'
       post 'update_email'
       post 'reset_password'
     end