Merge pull request #8 from PFischbeck/problem_pagination

Problem pagination

Gemfile

@@ -25,6 +25,9 @@ gem 'sdoc', '~> 0.4.0',          group: :doc
 
 gem 'twitter-bootstrap-rails'
 
+gem 'will_paginate', '~> 3.0.6'
+gem 'will_paginate-bootstrap'
+
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 

Gemfile.lock

@@ -109,6 +109,9 @@ GEM
     uglifier (2.5.3)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    will_paginate (3.0.7)
+    will_paginate-bootstrap (1.0.1)
+      will_paginate (>= 3.0.3)
 
 PLATFORMS
   x86-mingw32
@@ -125,3 +128,5 @@ DEPENDENCIES
   twitter-bootstrap-rails
   tzinfo-data
   uglifier (>= 1.3.0)
+  will_paginate (~> 3.0.6)
+  will_paginate-bootstrap

app/controllers/problems_controller.rb

@@ -4,7 +4,7 @@ class ProblemsController < ApplicationController
   # GET /problems
   # GET /problems.json
   def index
-    @problems = Problem.all
+    @problems = Problem.paginate(page: params[:page])
   end
 
   # GET /problems/1

app/models/problem.rb

@@ -1,4 +1,6 @@
 class Problem < ActiveRecord::Base
   validates :title, :content, presence: true
   validates :title, uniqueness: true
+
+  self.per_page = 50
 end

app/views/problems/_problem_pagination.html.erb

@@ -0,0 +1 @@
+<%= will_paginate @problems, renderer: BootstrapPagination::Rails %>

app/views/problems/index.html.erb

@@ -1,5 +1,6 @@
 <h1>Listing problems</h1>
 
+<%= render 'problem_pagination' %>
 <table class="table table-striped table-bordered">
   <thead>
     <tr>
@@ -17,7 +18,7 @@
     <% end %>
   </tbody>
 </table>
-
+<%= render 'problem_pagination' %>
 <br>
 
 <%= link_to 'New Problem', new_problem_path, class: 'btn btn-default' %>

db/seeds.rb

@@ -5,3 +5,10 @@
 #
 #   cities = City.create([{ name: 'Chicago' }, { name: 'Copenhagen' }])
 #   Mayor.create(name: 'Emanuel', city: cities.first)
+
+for i in 1..103 do
+  Problem.create(
+             title: "Problem Nummer #{i}",
+             content: "Das hier ist der Inhalt von <b>Problem #{i}</b>.<br />Hier ist die zweite Zeile."
+  )
+end