From 6f5f75c0a096d63954c130082f2197e79fa3b2ef Mon Sep 17 00:00:00 2001
From: Philipp Fischbeck <philipp.fischbeck@student.hpi.uni-potsdam.de>
Date: Wed, 10 Dec 2014 11:57:34 +0100
Subject: [PATCH 1/2] Add enough seed data for pagination to be necessary #2

---
 db/seeds.rb | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/db/seeds.rb b/db/seeds.rb
index 4edb1e8..6fe1353 100644
--- a/db/seeds.rb
+++ b/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
\ No newline at end of file

From 6663c060863dc74ae3d10e7f77248f3513747d65 Mon Sep 17 00:00:00 2001
From: Philipp Fischbeck <philipp.fischbeck@student.hpi.uni-potsdam.de>
Date: Wed, 10 Dec 2014 11:59:01 +0100
Subject: [PATCH 2/2] Add problem pagination with will_paginate. Fix #2

---
 Gemfile                                         | 3 +++
 Gemfile.lock                                    | 5 +++++
 app/controllers/problems_controller.rb          | 2 +-
 app/models/problem.rb                           | 2 ++
 app/views/problems/_problem_pagination.html.erb | 1 +
 app/views/problems/index.html.erb               | 3 ++-
 6 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 app/views/problems/_problem_pagination.html.erb

diff --git a/Gemfile b/Gemfile
index 195e893..bfaffad 100644
--- a/Gemfile
+++ b/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'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index ce8cfa1..4676a3b 100644
--- a/Gemfile.lock
+++ b/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
diff --git a/app/controllers/problems_controller.rb b/app/controllers/problems_controller.rb
index 33a0433..e516ac4 100644
--- a/app/controllers/problems_controller.rb
+++ b/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
diff --git a/app/models/problem.rb b/app/models/problem.rb
index 73e9c39..3d47698 100644
--- a/app/models/problem.rb
+++ b/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
diff --git a/app/views/problems/_problem_pagination.html.erb b/app/views/problems/_problem_pagination.html.erb
new file mode 100644
index 0000000..4df9095
--- /dev/null
+++ b/app/views/problems/_problem_pagination.html.erb
@@ -0,0 +1 @@
+<%= will_paginate @problems, renderer: BootstrapPagination::Rails %>
\ No newline at end of file
diff --git a/app/views/problems/index.html.erb b/app/views/problems/index.html.erb
index c73c437..fd5875b 100644
--- a/app/views/problems/index.html.erb
+++ b/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' %>