Merge pull request alaashafaee#546 from alaashafaee/C5_Mohab_468_Cont…

…est_Standings_5.25

Pull Request: C5_Mohab_468_Contest_Standings_5.25

tutor/Gemfile

@@ -66,6 +66,8 @@ gem 'json_builder', '3.1.0'
 # whenever gem for scheduling tasks
 gem 'whenever', :require => false
 
+gem 'table_print'
+
 #pagination
 gem 'will_paginate', '~> 3.0.5'
 

tutor/Gemfile.lock

@@ -187,6 +187,7 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.9)
+    table_print (1.5.1)
     thor (0.19.1)
     thread_safe (0.3.3)
     tilt (1.4.1)
@@ -236,6 +237,7 @@ DEPENDENCIES
   sass-rails (~> 4.0.2)
   sdoc
   sqlite3
+  table_print
   tire
   uglifier (>= 1.3.0)
   unicorn

tutor/app/assets/javascripts/contests.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

tutor/app/assets/stylesheets/contests.css.scss

@@ -0,0 +1,66 @@
+#countdown {
+	width: 240px;
+	height: 50px;
+}
+
+.solution-accepted {
+	background: #A9F5A9;
+	-webkit-border-radius: 10px;
+	-moz-border-radius: 10px;
+	border-radius: 10px;
+	text-align: center
+}
+
+.wrong-answer {
+	background: #F08080;
+	-webkit-border-radius: 10px;
+	-moz-border-radius: 10px;
+	border-radius: 10px;
+	text-align : center;
+}
+
+.contest_table {
+	background: #f9f9f9;
+	text-align: center;
+	margin-top: 20px;
+}
+
+.contest_information h2 {
+	width: 30%;
+	margin: auto;
+}
+
+.contest_information {
+	text-align : center !important;
+}
+
+.contest_information ul {
+	list-style: none;
+	border-bottom: 1px solid #A0A4A6;
+}
+
+.contest_information ul li {
+	display: inline;
+	padding: 20px;
+}
+
+.contest_note{
+	font-weight: bold;
+	color: #75706B;
+}
+
+.box-example {
+	width :50px;
+	height: 20px;
+	background-color: #BABABA;
+	text-align: center;
+	border-radius: 5px;
+	float: left;
+	font-weight: bold;
+}
+
+.box-note {
+	float: left;
+	margin-left: 5px;
+	color: #75706B;
+}

tutor/app/controllers/contests_controller.rb

@@ -3,6 +3,15 @@ class ContestsController < ApplicationController
 	before_action :validate_timer, :except => ['new', 'create', 'edit', 'update',
 		'destroy', 'add_problems', 'add']
 
+	# [Contest Standings - Story 5.25]
+	# Returns the contest object whose id is params[:id]
+	# Parameters: none
+	# Returns: none
+	# Author: Mohab Ghanim
+	def standings
+		@contest = Contest.find_by_id(params[:id])
+	end
+
 	# [Edit Contest - Story 5.17]
 	# Passes instance variable of the contest to be edited to the edit
 	# 	view and renders the edit view

tutor/app/helpers/contest_helper.rb

@@ -0,0 +1,2 @@
+module ContestHelper
+end

tutor/app/models/contest.rb

@@ -18,6 +18,34 @@ class Contest < ActiveRecord::Base
 
 	#Methods
 
+	# [Contest Standings - Story 5.25]
+	# Sorts students in contest according to the number of correct problems
+	# 	they solved and the total time of submission
+	# Parameters: none
+	# Returns: Sorted Hash containing ContestProgress of students
+	# Author: Mohab Ghanim
+	def get_contest_standings
+		contest_standing_records = ContestProgress.where(contest_id: self.id)
+		contest_standings_unique = Hash.new
+		contest_standing_records.each do |record|
+			wrong_answers = ContestProgress.where(contest_id: self.id,
+				student_id: record.student.id,
+				status: false).count
+			time_spent = 0
+			ContestProgress.where(contest_id: self.id,
+				student_id: record.student.id).each do |progress|
+				updated_at = ContestProgress.where(contest_id: self.id, cproblem_id:
+					progress.cproblem_id, student_id: record.student.id).take.updated_at
+				start_time = Contest.find(self.id).start_time
+				time_spent = time_spent + ((updated_at - start_time)/60).to_i
+			end
+			contest_standings_unique[record.student_id] = {wrong_answers: wrong_answers,
+				record: record, time_spent: time_spent}
+		end
+		return Hash[contest_standings_unique.sort_by {|key, value| [value[:wrong_answers],
+			value[:time_spent]]}.to_a]
+	end
+
 	# [Create Contest - Story 5.16]
 	# Validates that the contest end date/time is after its
 	# 	start date/time
@@ -52,4 +80,4 @@ def validate_future_start_time
 		end
 	end
 
-end
+end

tutor/app/models/contest_progress.rb

@@ -5,7 +5,7 @@ class ContestProgress < ActiveRecord::Base
 	#Relations
 	belongs_to :contest
 	belongs_to :student
-	belongs_to :problem, class_name:"Cproblem"
+	belongs_to :problem, class_name: "Cproblem", foreign_key: :problem_id
 
 	#Scoops
 

tutor/app/views/contests/_show_timer.html.erb

@@ -1,6 +1,6 @@
 <center>
 	<%= content_tag "div", id: "temp", data: {timer: @timer, del: @del} do %>
 	<% end %>
-	<h2><%= @message %></h2>
+	<h4><%= @message %></h4>
 	<div id="countdown" />
 </center>

tutor/app/views/contests/standings.html.erb

@@ -0,0 +1,79 @@
+<!-- Author : Mohab Ghanim -->
+<div class="contest_information">
+	<h2> Contest: <%= @contest.title %></h2>
+	<h3><%= @contest.description %></h3>
+	<h4><% if Time.now < @contest.end_time %>
+			<% if Time.now < @contest.start_time %>
+				Not started yet
+			<% else %>
+				<br>
+				<%= render "contests/show_timer" %>
+				<br>
+			<%end%>
+		<% else %>
+			expired
+			<p> Any new progress will not be saved </p>
+		<% end %>
+	</h4>
+	<h5><% if Time.now < @contest.start_time %>
+			Starts at
+		<% else %>
+			Started at
+		<%end%>
+		<%= @contest.start_time %>
+	</h5>
+	<h5>Ends at <%= @contest.end_time %></h5>
+	<ul>
+		<li><a href ="/contests/<%= @contest.id %>/registrants">Registrants</a></li>
+	</ul>
+</div>
+<table class="table table-bordered contest_table">
+	<% rank = 0 %>
+	<tr>
+		<td> Rank </td>
+		<td> Contestant </td>
+		<% @contest.problems.each do |problem| %>
+			<td> <a href ="/cproblems/<%= problem.id %>"><%= problem.title %></a></td>
+		<% end %>
+	</tr>
+	<% if @contest.get_contest_standings.count != 0 %>
+		<% @contest.get_contest_standings.each do |key, value| %>
+			<tr>
+				<td>
+					<%= rank += 1 %>
+				</td>
+				<td>
+					<%= link_to value[:record].student.name, 
+						controller: "/students", 
+						action: "show", 
+						id: value[:record].student.id %>
+				</td>
+				<% @contest.problems.each do |problem| %>
+					<% trials =  ContestProgress.where(contest_id:
+						@contest.id, cproblem_id: problem.id,
+						student_id: value[:record].student.id).take.trials %>
+					<% if ContestProgress.where(contest_id: @contest.id , cproblem_id: problem.id,
+						student_id: value[:record].student.id).take.status %>
+							<% time_taken = ((ContestProgress.where(contest_id: @contest.id,
+								cproblem_id: problem.id, student_id: value[:record].student.id).
+								take.updated_at - Contest.find(@contest.id).
+								start_time)/60).to_i %>
+							<td class="solution-accepted"> <%= trials %>/<%=time_taken %> </td>
+					<% else %>
+							<td class="wrong-answer"> <%= trials %> /-- </td>
+					<% end %>
+				<% end %>
+			</tr>
+		<% end %>
+	<% else %>
+	<tr><td colspan=<%= @contest.problems.count + 2 %> ><h5> No solved problems yet </h5></td></tr>
+	<% end %>
+</table>
+<div class="contest_note">
+	<div class="box-example">
+		X/Y 
+	</div>
+	<div class="box-note">
+		X : number of trials until the first success, Y : submission time - contest start time
+	</div>
+</div>

tutor/config/routes.rb

@@ -24,6 +24,7 @@
 	post '/posts/:id' => 'posts#update'
 	post 'tracks/insert_recommendation' => 'tracks#insert_recommendation'
 	post 'debuggers/:id' => 'debuggers#start'
+	get 'contests/:id/standings' => 'contests#standings'
 	post 'contests/add/:id' => 'contests#add'
 
 	get 'problems/edit'

tutor/db/seeds.rb

@@ -606,19 +606,27 @@
 
 puts("# ----------------------- Contests ----------------------- ")
 	Contest.create(title: "Iteration", description: "If you can solve this you will get a level up",
-		incomplete: false, start_time: Time.now + 2.days, end_time: Time.now + 7.days)
+		incomplete: false, start_time: Time.now + 1.second, end_time: Time.now + 7.days)
 	Contest.create(title: "Recursion", description: "If you can solve this you will get 2 level up",
-		incomplete: false, start_time: Time.now + 3.days, end_time: Time.now + 10.days)
+		incomplete: false, start_time: Time.now + 1.days, end_time: Time.now + 10.days)
 	Contest.create(title: "DB", description: "If you can solve this you will get 4 level up",
 		incomplete: false, start_time: Time.now + 5.days, end_time: Time.now + 12.days)
 	Contest.create(title: "DFS", description: "If you can solve this you will get 28 level up",
 		incomplete: false, start_time: Time.now + 6.days, end_time: Time.now + 19.days)
 
+puts("# ----------------------- Sleeping ----------------------- ")	
+	sleep 3
+puts("# ----------------------- Finished ----------------------- ")	
 puts("# ----------------------- Contests ----------------------- ")
-	ContestProgress.create!(status:true)
-	ContestProgress.create!(status:true)
-	ContestProgress.create!(status:true)
-	ContestProgress.create!(status:false)
+	ContestProgress.create!(status:true, trials: 1)
+	ContestProgress.create!(status:false, trials: 2)
+	ContestProgress.create!(status:true, trials: 3)
+	ContestProgress.create!(status:false, trials: 4)
+	ContestProgress.create!(status:true, trials: 5)
+	ContestProgress.create!(status:false, trials: 6)
+	ContestProgress.create!(status:false, trials: 7)
+	ContestProgress.create!(status:true, trials: 8)
+	ContestProgress.create!(status:true, trials: 9)
 
 puts("# ----------------------- Assignments ----------------------- ")
 	Assignment.create(title:"DSD Assignment_1", publish: true, due_date: Date.new(2009,6,13),
@@ -736,13 +744,19 @@
 	## Contests
 		Student.first.contests << Contest.first
 		Student.find_by_id(2).contests << Contest.first
-		Student.find_by_id(3).contests << Contest.find_by_id(2)
-		Student.find_by_id(4).contests << Contest.find_by_id(3)
+		Student.find_by_id(3).contests << Contest.first
+		Student.find_by_id(4).contests << Contest.first
 	## Contests progress
 		Student.first.contest_progresses << ContestProgress.first
 		Student.first.contest_progresses << ContestProgress.find_by_id(2)
-		Student.find_by_id(2).contest_progresses << ContestProgress.find_by_id(3)
+		Student.first.contest_progresses << ContestProgress.find_by_id(3)
 		Student.find_by_id(2).contest_progresses << ContestProgress.find_by_id(4)
+		Student.find_by_id(2).contest_progresses << ContestProgress.find_by_id(5)
+		Student.find_by_id(2).contest_progresses << ContestProgress.find_by_id(6)
+		Student.find_by_id(3).contest_progresses << ContestProgress.find_by_id(7)
+		Student.find_by_id(3).contest_progresses << ContestProgress.find_by_id(8)
+		Student.find_by_id(3).contest_progresses << ContestProgress.find_by_id(9)
+
 	## Grades
 		Student.first.grades << Grade.first
 		Student.first.grades << Grade.find_by_id(2)
@@ -789,6 +803,7 @@
 		AssignmentProblem.first.solutions << Solution.find_by_id(4)
 		Problem.find_by_id(2).solutions << Solution.find_by_id(2)
 		Problem.find_by_id(3).solutions << Solution.find_by_id(3)
+
 	## Attempts
 		Problem.first.attempts << Attempt.first
 		Problem.first.attempts << Attempt.find_by_id(2)
@@ -805,10 +820,15 @@
 		Problem.first.attempts << Attempt.find_by_id(13)
 	## Contest Progress
 		Cproblem.find_by_id(1).contests_progresses << ContestProgress.first
-		Cproblem.find_by_id(1).contests_progresses << ContestProgress.find_by_id(2)
-		Cproblem.find_by_id(2).contests_progresses << ContestProgress.find_by_id(3)
+		Cproblem.find_by_id(2).contests_progresses << ContestProgress.find_by_id(2)
 		Cproblem.find_by_id(3).contests_progresses << ContestProgress.find_by_id(3)
-		Cproblem.find_by_id(4).contests_progresses << ContestProgress.find_by_id(4)
+		Cproblem.find_by_id(1).contests_progresses << ContestProgress.find_by_id(4)
+		Cproblem.find_by_id(2).contests_progresses << ContestProgress.find_by_id(5)
+		Cproblem.find_by_id(3).contests_progresses << ContestProgress.find_by_id(6)
+		Cproblem.find_by_id(1).contests_progresses << ContestProgress.find_by_id(7)
+		Cproblem.find_by_id(2).contests_progresses << ContestProgress.find_by_id(8)
+		Cproblem.find_by_id(3).contests_progresses << ContestProgress.find_by_id(9)
+
 	## Hints
 		Problem.first.model_answers.first.hints << Hint.first
 		Problem.first.model_answers.first.hints << Hint.all.second
@@ -865,13 +885,17 @@
 		Contest.first.problems << Cproblem.find_by_id(1)
 		Contest.first.problems << Cproblem.find_by_id(2)
 		Contest.first.problems << Cproblem.find_by_id(3)
-		Contest.find_by_id(2).problems << Cproblem.find_by_id(4)
-		Contest.find_by_id(3).problems << Cproblem.find_by_id(5)
+
 	## Contests Progress
 		Contest.first.progress << ContestProgress.first
-		Contest.find_by_id(2).progress << ContestProgress.find_by_id(2)
-		Contest.find_by_id(2).progress << ContestProgress.find_by_id(3)
-		Contest.find_by_id(3).progress << ContestProgress.find_by_id(4)
+		Contest.first.progress << ContestProgress.find_by_id(2)
+		Contest.first.progress << ContestProgress.find_by_id(3)
+		Contest.first.progress << ContestProgress.find_by_id(4)
+		Contest.first.progress << ContestProgress.find_by_id(5)
+		Contest.first.progress << ContestProgress.find_by_id(6)
+		Contest.first.progress << ContestProgress.find_by_id(7)
+		Contest.first.progress << ContestProgress.find_by_id(8)
+		Contest.first.progress << ContestProgress.find_by_id(9)
 
 puts("# ----------------------- Assignment ----------------------- ")
 	## Problems