ajax action to save queries

redmine_reporting/app/controllers/cost_reports_controller.rb

@@ -3,6 +3,7 @@ class CostReportsController < ApplicationController
   before_filter :find_optional_project, :only => [:index, :drill_down]
   before_filter :generate_query,        :only => [:index, :drill_down]
   before_filter :set_cost_types,        :only => [:index, :drill_down]
+  before_filter :save_query,            :only => [:index, :drill_down]
 
   rescue_from Exception do |exception|
     session.delete(:cost_query)
@@ -15,8 +16,7 @@ class CostReportsController < ApplicationController
   include ReportingHelper
 
   def index
-    @valid = valid_query?
-    if @valid
+    if @valid = valid_query?
       if @query.group_bys.empty?
         @table_partial = "cost_entry_table"
       elsif @query.depth_of(:column) + @query.depth_of(:row) == 1
@@ -206,6 +206,14 @@ class CostReportsController < ApplicationController
     end
   end
 
+  def save_query
+    return unless params[:save_query].to_i == 1 || !User.current.allowed_to?(:save_queries, @project, :global => true)
+    # TODO render some form instead of just guessing values!
+    @query.name ||= @query.hash
+    @query.user_id ||= User.current.id
+    @query.save!
+  end
+
   def load_all
     CostQuery::GroupBy.all
     CostQuery::Filter.all

redmine_reporting/app/views/cost_reports/index.rhtml

@@ -37,10 +37,13 @@
                       :eval_scripts => true
                     }, :class => 'button apply' %>
   <%= link_to_function l(:button_clear), "disable_all_filters(); disable_all_group_bys();", :class => 'icon icon-reload' %>
-  <% if User.current.allowed_to?(:save_queries, @project, :global => true) %>
-  <%
-    #link_to l(:button_save), {}, :onclick => "$('query_form').submit(); return false;", :class => 'icon icon-save'
-  %>
+  <% if User.current.allowed_to?(:save_queries, @project, :global => true) && @valid %>
+    <%= link_to_remote l(:button_save),
+                    { :url => { :save_query => 1 },
+                      :before => 'selectAllOptions("group_by_rows");selectAllOptions("group_by_columns");',
+                      :with => "Form.serialize('query_form')",
+                      :eval_scripts => true
+                    }, :class => 'icon icon-save' %>
   <% end %>
   </p>
 </div>