Feature: Add breadcrumbs to association pages

app/components/avo/views/resource_index_component.html.erb

@@ -11,7 +11,7 @@
       description: description,
       cover_photo: resource.cover_photo,
       data: {component: "resources-index"},
-      display_breadcrumbs: @reflection.blank?
+      display_breadcrumbs: @reflection.blank? || helpers.html_req_for_association_page?
     ) do |c| %>
     <% c.with_name_slot do %>
       <%= render Avo::PanelNameComponent.new name: title, url: (params[:turbo_frame].present? && linkable?) ? field.frame_url(add_turbo_frame: false) : nil, target: :_blank do |panel_name_component| %>

app/controllers/avo/base_controller.rb

@@ -18,6 +18,13 @@ class BaseController < ApplicationController
 
     def index
       @page_title = @resource.plural_name.humanize
+      @turbo_frame = params[:turbo_frame]
+
+      if html_req_for_association_page?
+        add_breadcrumb @record.class.to_s.pluralize, resources_path(resource: @parent_resource)
+        add_breadcrumb @parent_resource.record_title, resource_path(record: @record, resource: @parent_resource)
+        @turbo_frame = nil
+      end
       add_breadcrumb @resource.plural_name.humanize
 
       set_index_params

app/helpers/avo/application_helper.rb

@@ -141,6 +141,10 @@ def chart_color(index)
       Avo.configuration.branding.chart_colors[index % Avo.configuration.branding.chart_colors.length]
     end
 
+    def html_req_for_association_page?
+      @reflection.present? && request.format == :html
+    end
+
     private
 
     # Taken from the original library

app/views/avo/base/index.html.erb

@@ -1,4 +1,4 @@
-<%= render Avo::TurboFrameWrapperComponent.new(params[:turbo_frame]) do %>
+<%= render Avo::TurboFrameWrapperComponent.new(@turbo_frame) do %>
   <%= render @component.new(
       resource: @resource,
       resources: @resources,

spec/features/avo/breadcrumbs_spec.rb

@@ -21,4 +21,37 @@
     it { is_expected.to have_css ".breadcrumbs" }
     it { is_expected.to have_text "Home\n" }
   end
+
+  describe "on a has_and_belongs_to_many turbo frame" do
+    let!(:user) { create(:user) }
+    let!(:team) { create(:team) }
+
+    it "displays breadcrumbs" do
+      url = "/admin/resources/users/#{user.slug}/teams?view=show&turbo_frame=has_and_belongs_to_many_field_show_teams"
+      visit url
+
+      expect(page).to have_selector ".breadcrumbs"
+      expect(page.find(".breadcrumbs").text).to eq "Home Users #{user.name} Teams"
+
+      breadcrumbs = find(".breadcrumbs")
+      expect(breadcrumbs).to have_link "Home"
+      expect(breadcrumbs).to have_link "Users"
+      expect(breadcrumbs).to have_link user.name.to_s
+      expect(breadcrumbs).to_not have_link "Teams"
+    end
+
+    it "displays breadcrumbs" do
+      url = "/admin/resources/teams/#{team.id}/team_members?view=show&turbo_frame=has_many_field_show_team_members"
+      visit url
+
+      expect(page).to have_selector ".breadcrumbs"
+      expect(page.find(".breadcrumbs").text).to eq "Home Teams #{team.name} Users"
+
+      breadcrumbs = find(".breadcrumbs")
+      expect(breadcrumbs).to have_link "Home"
+      expect(breadcrumbs).to have_link "Teams"
+      expect(breadcrumbs).to have_link team.name.to_s
+      expect(breadcrumbs).to_not have_link "Users"
+    end
+  end
 end