Manage progress bars in the admin area

app/controllers/admin/budget_investment_progress_bars_controller.rb

@@ -0,0 +1,8 @@
+class Admin::BudgetInvestmentProgressBarsController < Admin::ProgressBarsController
+
+  private
+
+    def progressable
+      Budget::Investment.find(params[:budget_investment_id])
+    end
+end

app/controllers/admin/legislation/progress_bars_controller.rb

@@ -0,0 +1,14 @@
+class Admin::Legislation::ProgressBarsController < Admin::ProgressBarsController
+  include FeatureFlags
+  feature_flag :legislation
+
+  def index
+    @process = progressable
+  end
+
+  private
+
+    def progressable
+      ::Legislation::Process.find(params[:process_id])
+    end
+end

app/controllers/admin/proposal_progress_bars_controller.rb

@@ -0,0 +1,7 @@
+class Admin::ProposalProgressBarsController <  Admin::ProgressBarsController
+
+  private
+    def progressable
+      Proposal.find(params[:proposal_id])
+    end
+end

app/views/admin/legislation/progress_bars/index.html.erb

@@ -0,0 +1,12 @@
+<% provide :title do %>
+  <%= "#{t("admin.header.title")} - #{t("admin.menu.legislation")}" %> -
+  <%= "#{@process.title} - #{t("admin.progress_bars.index.title")}" %>
+<% end %>
+
+<%= back_link_to admin_legislation_process_milestones_path(@progressable),
+                 t("admin.legislation.processes.edit.back") %>
+
+<h2><%= @process.title %></h2>
+
+<%= render "admin/legislation/processes/subnav", process: @process, active: "milestones" %>
+<%= render "admin/progress_bars/progress_bars", progressable: @process %>

app/views/admin/milestones/_milestones.html.erb

@@ -1,5 +1,7 @@
 <h2><%= t("admin.milestones.index.milestone") %></h2>
 
+<%= link_to t("admin.progress_bars.manage"), polymorphic_path([:admin, *resource_hierarchy_for(milestoneable.progress_bars.new)]) %>
+
 <% if milestoneable.milestones.any? %>
   <table>
     <thead>