create paginate by kaminari

Gemfile

@@ -33,7 +33,7 @@ gem 'whenever', require: false
 gem 'rubocop', '~> 0.88.0', require: false
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
-gem 'will_paginate', '3.3.0'
+gem 'kaminari'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.1.0', require: false
 

Gemfile.lock

@@ -91,6 +91,18 @@ GEM
     io-like (0.3.1)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
+    kaminari (1.2.1)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.2.1)
+      kaminari-activerecord (= 1.2.1)
+      kaminari-core (= 1.2.1)
+    kaminari-actionview (1.2.1)
+      actionview
+      kaminari-core (= 1.2.1)
+    kaminari-activerecord (1.2.1)
+      activerecord
+      kaminari-core (= 1.2.1)
+    kaminari-core (1.2.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -234,7 +246,6 @@ GEM
     websocket-extensions (0.1.5)
     whenever (1.0.0)
       chronic (>= 0.6.3)
-    will_paginate (3.3.0)
     xpath (3.2.0)
       nokogiri (~> 1.8)
 
@@ -248,6 +259,7 @@ DEPENDENCIES
   chromedriver-helper
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
+  kaminari
   listen (>= 3.0.5, < 3.2)
   mechanize (~> 2.7.6)
   mysql2 (~> 0.5.3)
@@ -264,7 +276,6 @@ DEPENDENCIES
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
   whenever
-  will_paginate (= 3.3.0)
 
 RUBY VERSION
    ruby 2.6.6p146

app/assets/stylesheets/jobs.scss

@@ -7,3 +7,4 @@
   padding: 5px;
 }
 
+

app/controllers/cities_controller.rb

 class CitiesController < ApplicationController
   def index
-    @cities_vietnam = City.all_city.vietnam
-    @cities_international = City.all_city.international
+    @cities_vietnam = City.vietnam
+    @cities_international = City.international
   end
 end

app/controllers/jobs_controller.rb

 class JobsController < ApplicationController
   def index
+    @cities = City.all
+    @industries = Industry.all
     @total_job = Job.count
-    @jobs_list = Job.all_job
+    @jobs_list = Job.all_job.page(params[:page]).per(20)
   end
 end

app/models/city.rb

@@ -3,7 +3,6 @@ class City < ApplicationRecord
   has_many :jobs, through: :city_jobs
 
   scope :top_city, -> { joins(:jobs).group(:city_id).order('count(job_id) DESC').limit(9) }
-  scope :all_city, -> { joins(:jobs).group(:city_id).order('count(job_id) DESC') }
-  scope :vietnam, -> { where('location = 1') }
-  scope :international, -> { where('location = 0') }
+  scope :vietnam, -> { joins(:jobs).group(:city_id).order('count(job_id) DESC').where('location = 1') }
+  scope :international, -> { joins(:jobs).group(:city_id).order('count(job_id) DESC').where('location = 0') }
 end

app/models/industry_job.rb

 class IndustryJob < ApplicationRecord
   belongs_to :industry
   belongs_to :job
-  
+
 end

app/models/job.rb

@@ -16,7 +16,7 @@ class Job < ApplicationRecord
   has_many :users, through: :histories
 
   scope :limit_job, -> { limit(5).order(created_at: :desc) }
-  scope :all_job, -> { limit(20).order(created_at: :desc) }
+  scope :all_job, -> { all.order(created_at: :desc) }
 
   def company_name
     company&.name

app/views/jobs/index.html.erb

 <% provide(:title, 'Jobs') %>
 <div class="container">
+  <div class="search-bar">
+    <%= render 'layouts/search_bar' %>
+  </div>
   <div class="row total-jobs">
     <div class="col-4">Total: <%= @total_job %> jobs</div>
     <div class="col-4">Result for: ... jobs</div>
   </div>
+  <div class="paginate-jobs">
+    <%= paginate @jobs_list, left: 3, right: 3 %>
+  </div>
   <div class="job-list">
     <%= render partial: "all_jobs", collection: @jobs_list, as: :job %>
   </div>
+  <div class="paginate-jobs">
+    <%= paginate @jobs_list, left: 3, right: 3 %>
+  </div>
 </div>

app/views/kaminari/_first_page.html.erb

+<li class="page-item">
+  <%= link_to_unless current_page.first?, raw(t 'views.pagination.first'), url, remote: remote, class: 'page-link' %>
+</li>

app/views/kaminari/_gap.html.erb

+<li class='page-item disabled'>
+  <%= link_to raw(t 'views.pagination.truncate'), '#', class: 'page-link' %>
+</li>

app/views/kaminari/_last_page.html.erb

+<li class="page-item">
+  <%= link_to_unless current_page.last?, raw(t 'views.pagination.last'), url, remote: remote, class: 'page-link' %>
+</li>

app/views/kaminari/_next_page.html.erb

+<li class="page-item">
+  <%= link_to_unless current_page.last?, raw(t 'views.pagination.next'), url, rel: 'next', remote: remote, class: 'page-link' %>
+</li>

app/views/kaminari/_page.html.erb

+<% if page.current? %>
+  <li class="page-item active">
+    <%= content_tag :a, page, data: { remote: remote }, rel: page.rel, class: 'page-link' %>
+  </li>
+<% else %>
+  <li class="page-item">
+    <%= link_to page, url, remote: remote, rel: page.rel, class: 'page-link' %>
+  </li>
+<% end %>

app/views/kaminari/_paginator.html.erb

+<%= paginator.render do %>
+  <nav>
+    <ul class="pagination">
+      <%= first_page_tag unless current_page.first? %>
+      <%= prev_page_tag unless current_page.first? %>
+      <% each_page do |page| %>
+        <% if page.left_outer? || page.right_outer? || page.inside_window? %>
+          <%= page_tag page %>
+        <% elsif !page.was_truncated? -%>
+          <%= gap_tag %>
+        <% end %>
+      <% end %>
+      <%= next_page_tag unless current_page.last? %>
+      <%= last_page_tag unless current_page.last? %>
+    </ul>
+  </nav>
+<% end %>

app/views/kaminari/_prev_page.html.erb

+<li class="page-item">
+  <%= link_to_unless current_page.first?, raw(t 'views.pagination.previous'), url, rel: 'prev', remote: remote, class: 'page-link' %>
+</li>

app/views/top_pages/index.html.erb

@@ -4,7 +4,6 @@
     <div class="total-job">Having <%= @total_jobs %> jobs for you!</div>
   </div>
 </div>
-
 <div class="container">
   <div class="search-bar">
     <%= render 'layouts/search_bar' %>

lib/src/csv_importer.rb

@@ -53,26 +53,22 @@ class CSVImporter
         description_job = "#{row["description"]} #{row["requirement"]}"
         level = row["level"]
         salary = row["salary"]
-        job = Job.find_or_create_by!(title: title_job,
-                                     description: description_job,
-                                     level: level,
-                                     salary: salary,
-                                     company_id: company.id)
-        next if job.blank?
 
         industry_name = row["category"]
-        industries_relationship = Industry.find_by(name: industry_name)
-        next if industries_relationship.blank?
-        industry_relationship = find_or_create_by!(job_id: job.id,
-                                                   industry_id: industries_relationship.id)
-
+        industries_relationship = Industry.where(name: industry_name)
 
         location_data = row["work place"]
         location = location_data.gsub('["', '').gsub('"]', '')
-        location_relationship = City.find_by(name: location)
-        next if location_relationship.blank?
-        city_relationship = find_or_create_by!(job_id: job.id,
-                                               industry_id: location_relationship.id)
+        location_relationship = City.where(name: location)
+
+        Job.find_or_create_by!(title: title_job,
+                               description: description_job,
+                               level: level,
+                               salary: salary,
+                               company_id: company_id) do |job|
+          job.industries << industries_relationship
+          job.cities << location_relationship
+        end
 
       rescue StandardError => e
         @logger.error e.message