Initial badge system implementation.

app/controllers/admin/badges_controller.rb

@@ -0,0 +1,44 @@
+class Admin::BadgesController < Admin::AdminController
+  def index
+    badges = Badge.all.to_a
+    render_serialized(badges, BadgeSerializer, root: "badges")
+  end
+
+  def badge_types
+    badge_types = BadgeType.all.to_a
+    render_serialized(badge_types, BadgeTypeSerializer, root: "badge_types")
+  end
+
+  def create
+    badge = Badge.new
+    update_badge_from_params(badge)
+    badge.save!
+    render_serialized(badge, BadgeSerializer, root: "badge")
+  end
+
+  def update
+    badge = find_badge
+    update_badge_from_params(badge)
+    badge.save!
+    render_serialized(badge, BadgeSerializer, root: "badge")
+  end
+
+  def destroy
+    find_badge.destroy
+    render nothing: true
+  end
+
+  private
+    def find_badge
+      params.require(:id)
+      Badge.find(params[:id])
+    end
+
+    def update_badge_from_params(badge)
+      params.permit(:name, :description, :badge_type_id)
+      badge.name = params[:name]
+      badge.description = params[:description]
+      badge.badge_type = BadgeType.find(params[:badge_type_id])
+      badge
+    end
+end