feature: customizable first sorting option

app/views/avo/partials/_table_header.html.erb

@@ -33,8 +33,11 @@
   <% end %>
   <% fields.each_with_index do |field, index|  %>
     <%
+      first_option = Avo.configuration.first_sorting_option.to_s
+      second_option = first_option == "desc" ? "asc" : "desc"
+
       if params[:sort_by] == field.id.to_s
-        if params[:sort_direction] == 'asc'
+        if params[:sort_direction] == second_option
           sort_by = nil
         else
           sort_by = field.id
@@ -43,18 +46,18 @@
         if sort_by.present?
           case params[:sort_direction]
             when nil
-              sort_direction = 'desc'
-            when 'desc'
-              sort_direction = 'asc'
-            when 'asc'
+              sort_direction = first_option
+            when first_option
+              sort_direction = second_option
+            when second_option
               sort_direction = nil
             end
         else
           sort_direction = nil
         end
       else
         sort_by = field.id
-        sort_direction = 'desc'
+        sort_direction = first_option
       end
       text_classes = "text-gray-600 tracking-tight leading-tight text-xs font-semibold"
     %>

lib/avo/configuration.rb

@@ -54,6 +54,7 @@ class Configuration
     attr_accessor :is_admin_method
     attr_accessor :is_developer_method
     attr_accessor :search_results_count
+    attr_accessor :first_sorting_option
 
     def initialize
       @root_path = "/avo"
@@ -115,6 +116,7 @@ def initialize
       @is_admin_method = :is_admin?
       @is_developer_method = :is_developer?
       @search_results_count = 8
+      @first_sorting_option = :desc # :desc or :asc
     end
 
     def current_user_method(&block)

lib/generators/avo/templates/initializer/avo.tt

@@ -115,6 +115,7 @@ Avo.configure do |config|
   # config.buttons_on_form_footers = true
   # config.field_wrapper_layout = true
   # config.resource_parent_controller = "Avo::ResourcesController"
+  # config.first_sorting_option = :desc # :desc or :asc
 
   ## == Branding ==
   # config.branding = {

spec/features/avo/default_sort_column_and_direction_spec.rb

@@ -84,4 +84,22 @@
       include_examples "sorts by", :country, :desc
     end
   end
+
+  context "first_sorting_option" do
+    let!(:project) { create :project }
+
+    it "desc is the default sort_direction" do
+      visit avo.resources_projects_path
+
+      expect(page).to have_link href: avo.resources_projects_path(sort_by: :name, sort_direction: :desc)
+    end
+
+    it "asc is the default sort_direction if configured" do
+      with_temporary_class_option(Avo.configuration, :first_sorting_option, :asc) do
+        visit avo.resources_projects_path
+
+        expect(page).to have_link href: avo.resources_projects_path(sort_by: :name, sort_direction: :asc)
+      end
+    end
+  end
 end