Add favorite feature

Gemfile

@@ -21,6 +21,7 @@ gem 'uglifier', '>= 1.3.0'
 
 # Use CoffeeScript for .coffee assets and views
 gem 'coffee-rails', '~> 4.2'
+gem 'jquery-rails'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder

Gemfile.lock

@@ -91,6 +91,10 @@ GEM
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
+    jquery-rails (4.3.1)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
+      thor (>= 0.14, < 2.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -210,6 +214,7 @@ DEPENDENCIES
   devise
   figaro
   jbuilder (~> 2.5)
+  jquery-rails
   listen (>= 3.0.5, < 3.2)
   mysql2 (>= 0.3.18, < 0.5)
   puma (~> 3.7)

app/assets/javascripts/application.js

@@ -12,5 +12,7 @@
 //
 //= require rails-ujs
 //= require turbolinks
+//= require jquery
+//= require jquery_ujs
 //= require_tree .
 //= require bootstrap

app/assets/javascripts/categories.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/cities.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/custom.js

+$(function() {
+  $(".favorite_add").click(function(event){
+    $.ajax({
+     url: "/jobs/favorite",
+     type: "POST",
+     data: {"job_id" : $("#job_id").val()},
+     dataType: "json",
+     success: function(data) {
+       }
+     });
+  });
+});

app/assets/javascripts/jobs.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/sessions.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/static_pages.coffee

-# Place all the behaviors and hooks related to the matching controller here.
-# All this logic will automatically be available in application.js.
-# You can use CoffeeScript in this file: http://coffeescript.org/

app/controllers/jobs_controller.rb

@@ -20,10 +20,7 @@ class JobsController < ApplicationController
   end
 
   def favorite
-    if user_signed_in?
-      
-    else
-      redirect_to new_user_session_path
-    end
+    job = Job.find(params[:job_id])
+    Favorite.new(user: current_user, job: job).save if Favorite.where(user: current_user, job: job).blank?
   end
 end

app/views/jobs/show.html.erb

@@ -28,9 +28,16 @@
         <%= job.city.name unless job.city.nil? %>
         <%= job.salary %>
       </div>
-      <div class="col-md-3">
-        <%= link_to 'Favorite', jobs_favorite_path(job_id: job.id) %>
-      </div>
+      <%- if Favorite.where(user: current_user, job: job).blank? -%>
+        <div class="col-md-3">
+          <%- if user_signed_in? -%>
+            <%= link_to 'Favorite', '#', class: 'favorite_add' %>
+          <%- else -%>
+            <%= link_to 'Favorite', new_user_session_path %>
+          <%- end -%>
+          <input type="hidden" id="job_id" name="job_id" value="<%= job.id %>">
+        </div>
+      <%- end -%>
     </div>
   <%- end -%>
 

config/routes.rb

@@ -8,6 +8,7 @@ Rails.application.routes.draw do
   get 'jobs/applied_jobs', to: 'jobs#applied_jobs'
   get 'jobs/show/', to: 'jobs#show'
   get 'jobs/favorite', to: 'jobs#favorite'
+  post 'jobs/favorite', to: 'jobs#favorite'
 
   resource :cities
   devise_scope :user do