ability to mark as read/unread

app/controllers/notifications_controller.rb

@@ -1,19 +1,71 @@
 class NotificationsController < ApplicationController
+  before_action :set_receipts, only: [:index, :show, :mark_read, :mark_unread]
+  before_action :set_notification, only: [:show, :mark_read, :mark_unread]
+  before_action :set_receipt, only: [:show, :mark_read, :mark_unread]
+
   def index
     @notifications = current_user.mailbox.notifications
 
     respond_to do |format|
       format.html
-      format.json { render json: @notifications.to_json }
+      format.json do
+        render json: @notifications.map do |notification|
+          receipt = @receipts.find_by(notification_id: notification.id)
+          notification.as_json.merge(is_read: receipt.is_read)
+        end
+      end
     end
   end
 
   def show
-    @notification = current_user.mailbox.notifications.find_by(id: params[:id])
+    @receipt.update(is_read: true)
-
     respond_to do |format|
       format.html
-      format.json { render json: @notification.to_json }
+      format.json do
+        render json: @notification.as_json.merge(
+          is_read: @receipt.is_read
+        )
       end
     end
+  end
+
+  def mark_read
+    @receipt.update(is_read: true)
+    respond_to do |format|
+      format.js
+      format.json do
+        render json: @notification.as_json.merge(
+          is_read: @receipt.is_read
+        )
+      end
+    end
+  end
+
+  def mark_unread
+    @receipt.update(is_read: false)
+    respond_to do |format|
+      format.js
+      format.json do
+        render json: @notification.as_json.merge(
+          is_read: @receipt.is_read
+        )
+      end
+    end
+  end
+
+  private
+
+  def set_receipts
+    @receipts = current_user.mailbox.receipts
+      .includes(:notification).where(mailbox_type: nil)
+  end
+
+  def set_notification
+    @notification = current_user.mailbox.notifications.find_by(id: params[:id])
+  end
+
+  def set_receipt
+    @receipt = @receipts.find_by(notification_id: params[:id])
+  end
+
 end

app/views/notifications/index.html.erb

@@ -6,11 +6,19 @@
     <h4>Notifications</h4>
     <ul>
       <% @notifications.each do |notification| %>
+        <% receipt = @receipts.find_by(notification_id: notification.id) %>
         <li>
           <strong>
             <%= link_to notification.subject, notification_path(notification.id) %>
           </strong>
           <%= notification.body.truncate(140) %>
+          <span id="notification-<%= notification.id %>" class="read-unread">
+            <% if receipt.is_read? %>
+              <%= link_to '(read)', mark_unread_notification_path(notification.id), remote: true, method: :put %>
+            <% else %>
+              <%= link_to '(unread)', mark_read_notification_path(notification.id), remote: true, method: :put %>
+            <% end %>
+          </span>
         </li>
       <% end %>
     </ul>

app/views/notifications/mark_read.js.erb

@@ -0,0 +1,3 @@
+$('#notification-<%= @notification.id %> > a')
+  .text('(read)')
+  .attr('href', '<%= mark_unread_notification_path(@notification.id) %>')

app/views/notifications/mark_unread.js.erb

@@ -0,0 +1,3 @@
+$('#notification-<%= @notification.id %> > a')
+  .text('(unread)')
+  .attr('href', '<%= mark_read_notification_path(@notification.id) %>')

config/routes.rb

@@ -36,7 +36,12 @@ Metamaps::Application.routes.draw do
   resources :mappings, except: [:index, :new, :edit]
 
   resources :messages, only: [:show, :create, :update, :destroy]
-  resources :notifications, only: [:index, :show]
+  resources :notifications, only: [:index, :show] do
+    member do
+      put :mark_read
+      put :mark_unread
+    end
+  end
 
   resources :metacode_sets, except: [:show]