fix favorite funtion

app/controllers/jobs_controller.rb

@@ -11,6 +11,7 @@ class JobsController < ApplicationController
       industry = Industry.find_by(slug: params[:industry_slug])
       jobs = industry.jobs
       @result = industry.name
+
     end
     @total = jobs.count
     @jobs = jobs.latest_jobs.page(params[:page])
@@ -18,7 +19,7 @@ class JobsController < ApplicationController
 
   def show
     @job = Job.find_by(slug: params[:job_slug]) or not_found
-    @favorite_exists = !FavoriteJob.find_by(job: @job, user: current_user).nil?
+    check_favorite_exists(@job)
   end
 
   private

app/helpers/application_helper.rb

@@ -28,4 +28,8 @@ module ApplicationHelper
   def favorite_text
     @favorite_exists ? 'Unfavorite' : 'Favorite'
   end
+
+  def check_favorite_exists(input)
+    @favorite_exists = !FavoriteJob.find_by(job: input, user: current_user).nil?
+  end
 end

app/views/favorite_jobs/update.js.slim

-| $('#favorite_link').text("
+| $("#favorite-#{@job.id}").text("
 = favorite_text
 | ");
\ No newline at end of file

app/views/jobs/index.html.slim

@@ -12,6 +12,7 @@
     = paginate @jobs, window: 1
   .job-list
     - @jobs.each do |job| 
+      = check_favorite_exists(job)
       .row.bg-white
         .col-10.p-3.card-body.text-dark
           h5.mb-1
@@ -29,7 +30,7 @@
             = truncate(job.overview, length: 250)
         .col-sm-2.p-3.favourite
           -if user_signed_in?
-            = link_to favorite_text, favorite_update_path(job_id: job.id), id: 'favorite_link', remote: true, class: "btn btn-outline-primary btn-lg"
+            = link_to favorite_text, favorite_update_path(job_id: job.id), id: "favorite-#{job.id}", remote: true, class: "btn btn-outline-primary btn-lg"
           -else
             = link_to favorite_text, favorite_update_path(job_id: job.id), class: "btn btn-outline-primary btn-lg"
   h6.offset-md-4.px

app/views/jobs/show.html.slim

@@ -52,6 +52,6 @@
     = link_to "Apply this Job", apply_path(job_id: @job.id), class: "btn btn-outline-primary btn-lg"
   .col.text-start
     -if user_signed_in?
-      = link_to favorite_text, favorite_update_path(job_id: @job.id), id: 'favorite_link', remote: true, class: "btn btn-outline-primary btn-lg"
+      = link_to favorite_text, favorite_update_path(job_id: @job.id), id: "favorite-#{@job.id}", remote: true, class: "btn btn-outline-primary btn-lg"
     -else
       = link_to favorite_text, favorite_update_path(job_id: @job.id), class: "btn btn-outline-primary btn-lg"