Add ip_address, email, and context to staff_action_logs table. Context should usually be the url from which the staff member performed the action, but could be any string that describes what the staff member was doing when the action was performed.

app/assets/javascripts/admin/models/admin_user.js

@@ -217,9 +217,13 @@ Discourse.AdminUser = Discourse.User.extend({
     var user = this;
 
     var performDestroy = function(block) {
+      var formData = { context: window.location.pathname };
+      if (block) {
+        formData["block_email"] = true;
+      }
       Discourse.ajax("/admin/users/" + user.get('id') + '.json', {
         type: 'DELETE',
-        data: block ? {block_email: true} : {}
+        data: formData
       }).then(function(data) {
         if (data.deleted) {
           bootbox.alert(I18n.t("admin.user.deleted"), function() {

app/controllers/admin/users_controller.rb

@@ -118,7 +118,7 @@ class Admin::UsersController < Admin::AdminController
     user = User.where(id: params[:id]).first
     guardian.ensure_can_delete_user!(user)
     begin
-      if UserDestroyer.new(current_user).destroy(user, params.slice(:delete_posts, :block_email))
+      if UserDestroyer.new(current_user).destroy(user, params.slice(:delete_posts, :block_email, :context))
         render json: {deleted: true}
       else
         render json: {deleted: false, user: AdminDetailedUserSerializer.new(user, root: false).as_json}

app/services/staff_action_logger.rb

@@ -5,17 +5,20 @@ class StaffActionLogger
     raise Discourse::InvalidParameters.new('admin is nil') unless @admin and @admin.is_a?(User)
   end
 
-  def log_user_deletion(deleted_user)
+  def log_user_deletion(deleted_user, opts={})
     raise Discourse::InvalidParameters.new('user is nil') unless deleted_user and deleted_user.is_a?(User)
     StaffActionLog.create(
       action: StaffActionLog.actions[:delete_user],
+      context: opts[:context], # should be the url from where the staff member deleted the user
       staff_user_id: @admin.id,
       target_user_id: deleted_user.id,
+      email: deleted_user.email,
+      ip_address: deleted_user.ip_address,
       details: [:id, :username, :name, :created_at, :trust_level, :last_seen_at, :last_emailed_at].map { |x| "#{x}: #{deleted_user.send(x)}" }.join(', ')
     )
   end
 
-  def log_trust_level_change(user, new_trust_level)
+  def log_trust_level_change(user, new_trust_level, opts={})
     raise Discourse::InvalidParameters.new('user is nil') unless user and user.is_a?(User)
     raise Discourse::InvalidParameters.new('new trust level is invalid') unless TrustLevel.levels.values.include? new_trust_level
     StaffActionLog.create!(

db/migrate/20130725213613_add_more_to_staff_action_log.rb

@@ -0,0 +1,7 @@
+class AddMoreToStaffActionLog < ActiveRecord::Migration
+  def change
+    add_column :staff_action_logs, :context, :string
+    add_column :staff_action_logs, :ip_address, :string
+    add_column :staff_action_logs, :email, :string
+  end
+end

lib/user_destroyer.rb

@@ -28,7 +28,7 @@ class UserDestroyer
             b.record_match! if b
           end
           Post.with_deleted.where(user_id: user.id).update_all("nuked_user = true")
-          StaffActionLogger.new(@admin).log_user_deletion(user)
+          StaffActionLogger.new(@admin).log_user_deletion(user, opts.slice(:context))
           DiscourseHub.unregister_nickname(user.username) if SiteSetting.call_discourse_hub?
           MessageBus.publish "/file-change", ["refresh"], user_ids: [user.id]
         end

spec/components/user_destroyer_spec.rb

@@ -55,7 +55,7 @@ describe UserDestroyer do
       end
 
       it 'should log the action' do
-        StaffActionLogger.any_instance.expects(:log_user_deletion).with(@user).once
+        StaffActionLogger.any_instance.expects(:log_user_deletion).with(@user, anything).once
         destroy
       end