check user_jobs exist?

app/controllers/favorites_controller.rb

 class FavoritesController < ApplicationController
   before_action :authenticate_user!, only: [:create, :destroy]
-  before_action :find_favorited_job, only: [:create, :destroy]
 
   def create
-    redirect_to new_user_session_path unless user_signed_in?
-    redirect_to jobs_path if @job.id.blank?
-
-    job_id = @job.id
-    @all_favorite_job.find_by(job_id: job_id) ||
-    @all_favorite_job.create!(user_id: current_user.id, job_id: job_id, favorited_at: Time.current)
-
-    redirect_to job_path(job_id)
+    redirect_to jobs_path if params[:id].blank?
+    job_id = params[:id]
+
+    if get_user_job
+      @favorite_jobs = get_user_job.where.not(favorited_at: nil) ||
+                       get_user_job.update(favorited_at: Time.current)
+    else
+      @favorite_jobs = UserJob.create!(user_id: current_user.id, job_id: job_id, favorited_at: Time.current)
+    end
   end
 
   def destroy
-    redirect_to new_user_session_path unless user_signed_in?
     redirect_to jobs_path if @job.id.blank?
+    job_id = params[:id]
 
-    job_id = @job.id
-    @all_favorite_job.find_by(job_id: job_id).destroy
+    @favorited_jobs = get_user_job.where.not(favorited_at: nil)
+    @favorited_jobs = get_user_job.update(favorited_at: nil)
 
     redirect_to job_path(job_id)
   end
 
   private
 
-  def find_favorited_job
-    @all_favorite_job = current_user.user_jobs.where.not(favorited_at: nil)
+  def get_user_job
+    UserJob.find_by(user_id: current_user.id, job_id: params[:id])
   end
 end

app/controllers/jobs_controller.rb

@@ -68,6 +68,7 @@ class JobsController < ApplicationController
     elsif params[:industry_id]
       redirect_to jobs_path unless Industry.find_by(id: params[:industry_id])
     end
+  end
 
   def find_applied_jobs
     @all_applied_jobs = current_user.user_jobs.where.not(applied_at: nil)

app/views/favorites/create.js.erb

-$("#favorite_form_<%= @job.id %>").html("<%= escape_javascript(render "shared/unfavorite_btn", job: @job %>");
+$("#favorite_form").html("<%= escape_javascript(render "shared/unfavorite_btn", job: @job %>");

app/views/favorites/destroy.js.erb

-$("#favorite_form_<%= @job.id %>").html("<%= escape_javascript(render "shared/favorite_btn", job: @job) %>");
+$("#favorite_form").html("<%= escape_javascript(render "shared/favorite_btn", job: @job) %>");

app/views/jobs/_job.html.erb

@@ -17,8 +17,7 @@
       <dd><%= job["city"] %></dd>
     </dl>
   </div>
-  <div id="favorite_form_">
-    <button type="button" class="btn btn-outline-secondary">Favorite</button>
+  <div id="favorite_form">
     <% if current_user.favorites.exists?(job_id: job.id) %>
       <%= render "shared/unfavorite_btn", job_id: job.id %>
     <% else %>

app/views/tops/favorite.html.erb

-<% provide(:title, "Favorite") %>
-<h1>VeNJOB Favorite</h1>

config/database.yml

@@ -22,6 +22,7 @@ default: &default
   secure_auth: false
   timeout: 5000
   socket: /var/run/mysqld/mysqld.sock
+  reconnect: true
 
 development:
   <<: *default