Added ActiveRecord elements

Gemfile

@@ -3,8 +3,8 @@ source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.5'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+# Use mysql as the database for Active Record
+gem 'mysql2'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -23,6 +23,7 @@ gem 'jbuilder', '~> 2.0'
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0', group: :doc
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]
+gem 'will_paginate'
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 

Gemfile.lock

+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (4.2.5)
+      actionpack (= 4.2.5)
+      actionview (= 4.2.5)
+      activejob (= 4.2.5)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.5)
+      actionview (= 4.2.5)
+      activesupport (= 4.2.5)
+      rack (~> 1.6)
+      rack-test (~> 0.6.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.5)
+      activesupport (= 4.2.5)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    activejob (4.2.5)
+      activesupport (= 4.2.5)
+      globalid (>= 0.3.0)
+    activemodel (4.2.5)
+      activesupport (= 4.2.5)
+      builder (~> 3.1)
+    activerecord (4.2.5)
+      activemodel (= 4.2.5)
+      activesupport (= 4.2.5)
+      arel (~> 6.0)
+    activesupport (4.2.5)
+      i18n (~> 0.7)
+      json (~> 1.7, >= 1.7.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
+    arel (6.0.3)
+    binding_of_caller (0.7.2)
+      debug_inspector (>= 0.0.1)
+    builder (3.2.2)
+    byebug (9.0.5)
+    coffee-rails (4.1.1)
+      coffee-script (>= 2.2.0)
+      railties (>= 4.0.0, < 5.1.x)
+    coffee-script (2.4.1)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.10.0)
+    concurrent-ruby (1.0.2)
+    debug_inspector (0.0.2)
+    erubis (2.7.0)
+    execjs (2.7.0)
+    globalid (0.3.6)
+      activesupport (>= 4.1.0)
+    i18n (0.7.0)
+    jbuilder (2.5.0)
+      activesupport (>= 3.0.0, < 5.1)
+      multi_json (~> 1.2)
+    jquery-rails (4.1.1)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
+      thor (>= 0.14, < 2.0)
+    json (1.8.3)
+    loofah (2.0.3)
+      nokogiri (>= 1.5.9)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
+    minitest (5.9.0)
+    multi_json (1.12.1)
+    mysql2 (0.4.2-x86-mingw32)
+    nokogiri (1.6.8-x86-mingw32)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    pkg-config (1.1.7)
+    rack (1.6.4)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (4.2.5)
+      actionmailer (= 4.2.5)
+      actionpack (= 4.2.5)
+      actionview (= 4.2.5)
+      activejob (= 4.2.5)
+      activemodel (= 4.2.5)
+      activerecord (= 4.2.5)
+      activesupport (= 4.2.5)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.2.5)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.7)
+      activesupport (>= 4.2.0.beta, < 5.0)
+      nokogiri (~> 1.6.0)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.3)
+      loofah (~> 2.0)
+    railties (4.2.5)
+      actionpack (= 4.2.5)
+      activesupport (= 4.2.5)
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (11.2.2)
+    rdoc (4.2.2)
+      json (~> 1.4)
+    sass (3.4.22)
+    sass-rails (5.0.4)
+      railties (>= 4.0.0, < 5.0)
+      sass (~> 3.1)
+      sprockets (>= 2.8, < 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+      tilt (>= 1.1, < 3)
+    sdoc (0.4.1)
+      json (~> 1.7, >= 1.7.7)
+      rdoc (~> 4.0)
+    spring (1.7.1)
+    sprockets (3.6.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.0.4)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    thor (0.19.1)
+    thread_safe (0.3.5)
+    tilt (2.0.5)
+    turbolinks (2.5.3)
+      coffee-rails
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    tzinfo-data (1.2016.5)
+      tzinfo (>= 1.0.0)
+    uglifier (3.0.0)
+      execjs (>= 0.3.0, < 3)
+    web-console (2.3.0)
+      activemodel (>= 4.0)
+      binding_of_caller (>= 0.7.2)
+      railties (>= 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+    will_paginate (3.1.0)
+
+PLATFORMS
+  x86-mingw32
+
+DEPENDENCIES
+  byebug
+  coffee-rails (~> 4.1.0)
+  jbuilder (~> 2.0)
+  jquery-rails
+  mysql2
+  rails (= 4.2.5)
+  sass-rails (~> 5.0)
+  sdoc (~> 0.4.0)
+  spring
+  turbolinks
+  tzinfo-data
+  uglifier (>= 1.3.0)
+  web-console (~> 2.0)
+  will_paginate
+
+BUNDLED WITH
+   1.10.4

app/controllers/welcome_controller.rb

@@ -5,7 +5,16 @@ class WelcomeController < ApplicationController
   
   
   def index
-      @students = getStudents
+    #getStudents.each do |student|
+    #  newstudent = Student.new
+    #  newstudent.student_id = student[0]
+    #  newstudent.name = student[1]
+    #  newstudent.year_course = student[2]
+    #  newstudent.save
+    #end
+    #@students = Student.all
+    @students = Student.where('year_course = ?', '4 BS COMTECH')
+    #@students = Student.all.paginate(:page => params[:page], :per_page => 8)
   end
   
   

app/models/student.rb

+class Student < ActiveRecord::Base
+
+end
\ No newline at end of file

app/views/welcome/index.html.erb

@@ -15,13 +15,14 @@
             <tbody>
 			<%@students.each do |item|%>
               <tr>
-                <td><%=item[0]%></td>
-                <td><%=item[1]%></td>
-                <td><%=item[2]%></td>
+                <td><%=item.student_id%></td>
+                <td><%=item.name%></td>
+                <td><%=item.year_course%></td>
               </tr>
 			<%end%>
             </tbody>
           </table>
+          <!--%= will_paginate @students %-->
         </div>
       </div>
     </div>

config/database.yml

-# SQLite version 3.x
-#   gem install sqlite3
-#
-#   Ensure the SQLite 3 gem is defined in your Gemfile
-#   gem 'sqlite3'
-#
 default: &default
-  adapter: sqlite3
-  pool: 5
-  timeout: 5000
+  adapter: mysql2
+  encoding: utf8
+  database: mis21
+  username: mis21
+  password: mis21
+  host: 127.0.0.1
+  port: 3306  
 
 development:
   <<: *default
-  database: db/development.sqlite3
  
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
 test:
   <<: *default
-  database: db/test.sqlite3
  
 production:
   <<: *default
-  database: db/production.sqlite3
+ 
\ No newline at end of file

db/migrate/20160627092117_create_student_table.rb

+class CreateStudentTable < ActiveRecord::Migration
+  def change
+    create_table :students do |t|
+    	t.string :student_id, limit: 20
+    	t.string :name, limit: 255
+    	t.string :year_course, limit: 50
+    end
+  end
+end

db/schema.rb

+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20160627092117) do
+
+  create_table "students", force: :cascade do |t|
+    t.string "student_id",  limit: 20
+    t.string "name",        limit: 255
+    t.string "year_course", limit: 50
+  end
+
+end