Adding a couple badge routes

app/controllers/badges_controller.rb

@@ -0,0 +1,30 @@
+class BadgesController < ApplicationController
+  before_action :find_project, only: [:dependent_packages, :dependent_repositories]
+
+  def dependent_packages
+    render_badge('Dependent Packages', @project.dependents_count, 'brightgreen')
+  end
+
+  def dependent_repositories
+    render_badge('Dependent Repos', @project.dependent_repos_count, 'brightgreen')
+  end
+
+  private
+
+  def render_badge(title, text, colour)
+    response.headers["Cache-Control"] = "no-cache, no-store"
+    response.headers["Pragma"] = "no-cache"
+    response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
+    style = params[:style] || 'flat'
+    redirect_to "https://img.shields.io/badge/#{title}-#{text}-#{colour}.svg?style=#{style}", status: 302
+  end
+
+  def render_error_badge
+    redirect_to "https://img.shields.io/badge/Libraries.io-unknown-lightgrey.svg?style=#{style}", status: 302
+  end
+
+  def find_project
+    @project = Project.visible.platform(params[:platform]).where(name: params[:name]).first
+    render_error_badge if @project.nil?
+  end
+end

config/routes.rb

@@ -114,6 +114,11 @@
     end
   end
 
+  scope :badges do
+    get '/:platform/:name/dependent_repositories', to: 'badges#dependent_repositories', constraints: { :platform => PLATFORM_CONSTRAINT, :name => PROJECT_CONSTRAINT }
+    get '/:platform/:name/dependent_packages', to: 'badges#dependent_packages', constraints: { :platform => PLATFORM_CONSTRAINT, :name => PROJECT_CONSTRAINT }
+  end
+
   root to: 'projects#index'
 
   get '/404', to: 'errors#not_found'