添加订阅取消功能

app/assets/javascripts/angularjs/subscribes.js.coffee

@@ -0,0 +1,10 @@
+@app.controller 'SubscribesController', [ '$scope', '$http', ($scope, $http)->
+  $scope.cancel = ()->
+    $http
+      url: '/subscribes/cancel'
+      method: 'POST'
+      params:
+        email: $scope.email
+    .success (res)->
+      window.location = '/'
+]

app/controllers/subscribes_controller.rb

@@ -1,4 +1,6 @@
 class SubscribesController < ApplicationController
+  def index
+  end
   def create
     subscribe = Subscribe.find_or_initialize_by(email: params[:email])
     subscribe.enable = true
@@ -10,12 +12,14 @@ class SubscribesController < ApplicationController
     end
   end
 
-  def destroy
+  def cancel
     if subscribe = Subscribe.where(email: params[:email]).first
       subscribe.enable = false
       subscribe.save
     end
 
+    flash[:notice] = "退订成功: #{params[:email]}"
     render :json => { success: true }
   end
+
 end

app/views/layouts/application.html.slim

@@ -53,6 +53,11 @@ html
                 i.fi-torso
                 | 关于我
         section.main-section ng-app="app"
+          - flash.each do |name, msg|
+            - if msg.is_a?(String)
+              div class=("alert-box #{name == :notice ? "success" : "alert"}") data-alert=""
+                = content_tag :div, msg
+                a.close href="#"  ×
           = yield
           = render "layouts/footer"
         a.exit-off-canvas

app/views/subscribes/create.html.slim

@@ -1,2 +0,0 @@
-h1 Subscribes#create
-p Find me in app/views/subscribes/create.html.slim

app/views/subscribes/destroy.html.slim

@@ -1,2 +0,0 @@
-h1 Subscribes#destroy
-p Find me in app/views/subscribes/destroy.html.slim

app/views/subscribes/index.html.slim

@@ -0,0 +1,9 @@
+.row
+  .large-9.large-centered.columns
+  h2 退订服务
+  hr
+  form action='' ng-controller='SubscribesController'
+    .row
+      .small-12.large-6.columns
+        = text_field_tag :email, nil, placeholder: 'your@email.com', 'ng-model' => 'email'
+    button ng-click="cancel()" 退订

app/workers/new_post_worker.rb

@@ -28,6 +28,8 @@ class NewPostWorker
 <p>#{ENV['SITE_NAME']} 新博客到了: #{title}</p>
 
 <p>具体内容请访问: http://yafeilee.me</p>
+
+<p><a href="http://yafeilee.me/unsubscribe?id=5F46EF">点此退订</a></p>
         EOF
       }
     return response

config/routes.rb

@@ -15,7 +15,12 @@ WBlog::Application.routes.draw do
 
 
   resources :archives
-  resources :subscribes
+  resources :subscribes do
+    collection do
+      post :cancel
+    end
+  end
+  get '/unsubscribe' => 'subscribes#index'
   # photos
   resources :photos, only: [:create]
   get '/qrcodes' => 'qrcodes#show'

spec/controllers/subscribes_controller_spec.rb

@@ -4,14 +4,14 @@ describe SubscribesController do
 
   describe "POST 'create'" do
     it "post ok" do
-      post 'create', email: 'a@b'
+      post 'create', email: 'tester@test.com'
       expect(JSON.parse(response.body)['success']).to be_true
       expect(Subscribe.all.size).to eq(1)
     end
 
     it "post with disabled email" do
-      subscribe = Subscribe.create(email: 'a@b', enable: false)
-      post 'create', email: 'a@b'
+      subscribe = Subscribe.create(email: 'tester@test.com', enable: false)
+      post 'create', email: 'tester@test.com'
       expect(JSON.parse(response.body)['success']).to be_true
       expect(subscribe.reload.enable).to be_true
     end