Move profile-related settings to their own form

Refs #3167

app/controllers/profiles_controller.rb

@@ -0,0 +1,43 @@
+class ProfilesController < ApplicationController
+  layout "site"
+
+  before_action :authorize_web
+  before_action :set_locale
+
+  authorize_resource :class => false
+
+  before_action :check_database_readable
+  before_action :check_database_writable, :only => [:update]
+
+  def edit; end
+
+  def update
+    if params[:user][:description] != current_user.description
+      current_user.description = params[:user][:description]
+      current_user.description_format = "markdown"
+    end
+
+    case params[:avatar_action]
+    when "new"
+      current_user.avatar.attach(params[:user][:avatar])
+      current_user.image_use_gravatar = false
+    when "delete"
+      current_user.avatar.purge_later
+      current_user.image_use_gravatar = false
+    when "gravatar"
+      current_user.avatar.purge_later
+      current_user.image_use_gravatar = true
+    end
+
+    current_user.home_lat = params[:user][:home_lat]
+    current_user.home_lon = params[:user][:home_lon]
+
+    if current_user.save
+      flash[:notice] = t ".success"
+      redirect_to user_path(current_user)
+    else
+      flash[:error] = t ".failure"
+      render :edit
+    end
+  end
+end