cafe-grader-web Commit - r122:dfa0387efb1e

cafe-grader-web

Commit `r122:dfa0387efb1e` public

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[web] added mode + access control, when sites started/finished git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@250 6386c4cd-e34a-4fa8-8920-d93eb39b512e

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r122:dfa0387efb1e - Wed, 07 May 2008 11:44:42 - 9 files changed: 121 inserted, 17 deleted

db/migrate/036_add_mode_to_configurations.rb created 644 ¶ +17

@@ -0,0 +1,17
	1	+ class AddModeToConfigurations < ActiveRecord::Migration
	2	+ def self.up
	3	+
	4	+ # Configuration['system.mode']:
	5	+ # * 'standard' mode
	6	+ # * 'contest' mode (check site start time/stop time)
	7	+ # * 'analysis' mode (show results, no new submissions)
	8	+
	9	+ Configuration.create(:key => 'system.mode',
	10	+ :value_type => 'string',
	11	+ :value => 'standard')
	12	+ end
	13	+
	14	+ def self.down
	15	+ Configuration.find_by_key('system.mode').destroy
	16	+ end
	17	+ end

app/controllers/main_controller.rb ¶ +13 -1

               class MainController < ApplicationController
+            +   SYSTEM_MODE_CONF_KEY = 'system.mode'
+            +
                 before_filter :authenticate, :except => [:index, :login]
+            +   before_filter :check_viewability
               #
               #  COMMENT OUT: filter in each action instead
               #
               #  before_filter :verify_time_limit, :only => [:submit]
                 verify :method => :post, :only => [:submit],
                        :redirect_to => { :action => :index }
                 def index
                   redirect_to :action => 'login'
                 def submit
                   user = User.find(session[:user_id])
                   @submission = Submission.new(params[:submission])
                   @submission.user = user
                   @submission.language_id = 0
                   if params['file']!=''
                     @submission.source = params['file'].read
                     @submission.source_filename = params['file'].original_filename
                   end
                   @submission.submitted_at = Time.new.gmtime
-            -     if user.site!=nil and user.site.finished?
+            +     if Configuration[SYSTEM_MODE_CONF_KEY]=='contest' and
+            +         user.site!=nil and user.site.finished?
                     @submission.errors.add_to_base "The contest is over."
                     prepare_list_information
                     render :action => 'list' and return
                   end
                   if @submission.valid?
                     if @submission.save == false
               	flash[:notice] = 'Error saving your submission'
                     elsif Task.create(:submission_id => @submission.id,
                                       :status => Task::STATUS_INQUEUE) == false
               	flash[:notice] = 'Error adding your submission to task queue'
                     end
                     if sub!=nil
                       @prob_submissions << { :count => sub.number, :submission => sub }
                     else
                       @prob_submissions << { :count => 0, :submission => nil }
                     end
                   end
                   @announcements = Announcement.find(:all,
                                                      :conditions => "published = 1",
                                                      :order => "created_at DESC")
                 end
+            +   def check_viewability
+            +     user = User.find(session[:user_id])
+            +     if (!Configuration.show_tasks_to?(user)) and
+            +         ((action_name=='submission') or (action_name=='submit'))
+            +       redirect_to :action => 'list' and return
+            +     end
                 end
+            + end
+            +

app/controllers/tasks_controller.rb ¶ +11 -2

               class TasksController < ApplicationController
-            -   before_filter :authenticate
+            +   before_filter :authenticate, :check_viewability
                 def index
                   redirect_to :action => 'list'
                 end
                 def list
                   @problems = Problem.find_available_problems
                   @user = User.find(session[:user_id])
                 end
+            +   protected
+            +
+            +   def check_viewability
+            +     user = User.find(session[:user_id])
+            +     if user==nil or !Configuration.show_tasks_to?(user)
+            +       redirect_to :controller => 'main', :action => 'list'
+            +       return false
                   end
+            +   end
+            +
+            + end

app/controllers/test_controller.rb ¶ +15 -2

               class TestController < ApplicationController
-            -   before_filter :authenticate
+            +   SYSTEM_MODE_CONF_KEY = 'system.mode'
+            +
+            +   before_filter :authenticate, :check_viewability
               #
               #  COMMENT OUT: filter in each action instead
               #
               #  before_filter :verify_time_limit, :only => [:submit]
                 verify :method => :post, :only => [:submit],
                        :redirect_to => { :action => :index }
                 def index
                   prepare_index_information
                 end
                 def submit
                   @user = User.find(session[:user_id])
                   @submitted_test_request = TestRequest.new_from_form_params(@user,params[:test_request])
                   if @submitted_test_request.errors.length != 0
                     prepare_index_information
                     render :action => 'index' and return
                   end
-            -     if @user.site!=nil and @user.site.finished?
+            +     if Configuration[SYSTEM_MODE_CONF_KEY]=='contest' and
+            +         @user.site!=nil and @user.site.finished?
                     @submitted_test_request.errors.add_to_base('Contest is over.')
                     prepare_index_information
                     render :action => 'index' and return
                   end
                   if @submitted_test_request.save
                     redirect_to :action => 'index'
                   else
                     prepare_index_information
                     render :action => 'index'
                   end
                 end
                   @user = User.find(session[:user_id])
                   @submissions = Submission.find_last_for_all_available_problems(@user.id)
                   all_problems = @submissions.collect { |submission| submission.problem }
                   @problems = []
                   all_problems.each do |problem|
                     if problem.test_allowed
                       @problems << problem
                     end
                   end
                   @test_requests = @user.test_requests
                 end
+            +   def check_viewability
+            +     user = User.find(session[:user_id])
+            +     if !Configuration.show_tasks_to?(user)
+            +       redirect_to :controller => 'main', :action => 'list'
                   end
+            +     if (!Configuration.show_submitbox_to?(user)) and (action_name=='submit')
+            +       redirect_to :controller => 'test', :action => 'index'
+            +     end
+            +   end
+            +
+            + end

app/helpers/application_helper.rb ¶ +33 -11

               # Methods added to this helper will be available to all templates in the application.
               module ApplicationHelper
+            +   SYSTEM_MODE_CONF_KEY = 'system.mode'
+            +
                 def user_header
                   menu_items = ''
                   user = User.find(session[:user_id])
                   if (user!=nil) and (session[:admin])
                     # admin menu
                     menu_items << "<b>Administrative task:</b> "
                     append_to menu_items, '[Announcements]', 'announcements', 'index'
                     append_to menu_items, '[Msg console]', 'messages', 'console'
                     append_to menu_items, '[Problem admin]', 'problems', 'index'
                     append_to menu_items, '[User admin]', 'user_admin', 'index'
                     append_to menu_items, '[User stat]', 'user_admin', 'user_stat'
                     append_to menu_items, '[Graders]', 'graders', 'list'
                     append_to menu_items, '[Site config]', 'configurations', 'index'
                     menu_items << "<br/>"
                   end
                   # main page
                   append_to menu_items, '[Main]', 'main', 'list'
                   append_to menu_items, '[Messages]', 'messages', 'list'
+            +
+            +     if (user!=nil) and (Configuration.show_tasks_to?(user))
                     append_to menu_items, '[Tasks]', 'tasks', 'list'
                     append_to menu_items, '[Submissions]', 'main', 'submission'
                     append_to menu_items, '[Test]', 'test', 'index'
+            +     end
                   append_to menu_items, '[Help]', 'main', 'help'
                   #append_to menu_items, '[Settings]', 'users', 'index'
                   append_to menu_items, '[Log out]', 'main', 'login'
                   menu_items
                 end
                 def append_to(option,label, controller, action)
                   option << ' ' if option!=''
                   option << link_to_unless_current(label,
                                                    :controller => controller,
                                                    :action => action)
                 end
                 def format_short_time(time)
                   now = Time.now.gmtime
                   st = ''
                   if (time.yday != now.yday) or
               	(time.year != now.year)
                     st = time.strftime("%x ")
                   end
                   st + time.strftime("%X")
                 end
+            +   def read_textfile(fname,max_size=2048)
+            +     begin
+            +       File.open(fname).read(max_size)
+            +     rescue
+            +       nil
+            +     end
+            +   end
                 def user_title_bar(user)
-            -     if user.site!=nil and user.site.finished?
+            +     header = ''
-            -       contest_over_string = <<CONTEST_OVER
+            +     #
+            +     # if the contest is over
+            +     if Configuration[SYSTEM_MODE_CONF_KEY]=='contest' and
+            +         user.site!=nil and user.site.finished?
+            +       header = <<CONTEST_OVER
               <tr><td colspan="2" align="center">
               <span class="contest-over-msg">THE CONTEST IS OVER</span>
               </td></tr>
               CONTEST_OVER
                   end
+            +
+            +     #
+            +     # if the contest is in the anaysis mode
+            +     if Configuration[SYSTEM_MODE_CONF_KEY]=='analysis'
+            +       header = <<ANALYSISMODE
+            + <tr><td colspan="2" align="center">
+            + <span class="contest-over-msg">ANALYSIS MODE</span>
+            + </td></tr>
+            + ANALYSISMODE
+            +     end
+            +
+            +     #
+            +     # build real title bar
                   <<TITLEBAR
               <div class="title">
               <table>
-            - #{contest_over_string}
+            + #{header}
               <tr>
               <td class="left-col">
               #{user.full_name}<br/>
               Current time is #{format_short_time(Time.new.gmtime)} UTC<br/>
               </td>
               <td class="right-col">APIO'08</td>
               </tr>
               </table>
               </div>
               TITLEBAR
                 end
-            -   def read_textfile(fname,max_size=2048)
-            -     begin
-            -       File.open(fname).read(max_size)
-            -     rescue
-            -       nil
               end
-            -   end
-            - end

app/models/configuration.rb ¶ +27

+            + #
+            + # This class also contains various login of the system.
+            + #
               class Configuration < ActiveRecord::Base
+            +   SYSTEM_MODE_CONF_KEY = 'system.mode'
+            +
                 @@configurations = nil
                 def self.get(key)
                   if @@configurations == nil
                     self.read_config
                   end
                   return @@configurations[key]
                 end
                 def self.[](key)
                   self.get(key)
                 end
                 def self.reload
                   self.read_config
                 end
                 def self.clear
                   @@configurations = nil
                 end
+            +   #
+            +   # View decision
+            +   #
+            +   def self.show_submitbox_to?(user)
+            +     mode = get(SYSTEM_MODE_CONF_KEY)
+            +     return false if mode=='analysis'
+            +     if (mode=='contest')
+            +       return false if (user.site!=nil) and
+            +         ((user.site.started==false) or (user.site.finished?))
+            +     end
+            +     return true
+            +   end
+            +
+            +   def self.show_tasks_to?(user)
+            +     mode = get(SYSTEM_MODE_CONF_KEY)
+            +     if (mode=='contest')
+            +       return false if (user.site!=nil) and (user.site.started==false)
+            +     end
+            +     return true
+            +   end
+            +
+            +
                 protected
                 def self.read_config
                   @@configurations = {}
                   Configuration.find(:all).each do |conf|
                     key = conf.key
                     val = conf.value
                     case conf.value_type
                     when 'string'
                       @@configurations[key] = val
                     when 'integer'
                       @@configurations[key] = val.to_i

app/views/main/list.html.haml ¶ +2

               = user_title_bar(@user)
               - if @announcements.length!=0
                 .announcementbox
                   %span{:class => 'title'}
                     Announcements
                   = render :partial => 'announcement', :collection => @announcements
+            + - if Configuration.show_submitbox_to?(@user)
                 .submitbox
                   = error_messages_for 'submission'
                   = render :partial => 'submission_box'
               %hr/
+            + - if Configuration.show_tasks_to?(@user)
                 %table.info
                   %tr.info-head
                     %th
                     %th Tasks
                     %th # of sub(s)
                     %th Results
                   = render :partial => 'problem', :collection => @problems
               %hr/
               %p
                 %b Note:

app/views/test/index.html.erb ¶ +2

                 for(i=0; i<old_len; i++)
                   submissionSelect.remove(0);
                 for(i=count; i>=1; i--) {
                   try {
                     submissionSelect.add(new Option(""+i,""+i,false,false),null);
                   } catch(ex) {
                     submissionSelect.add(new Option(""+i,""+i,false,false));
                   }
                 }
               }
               </script>
+            + <% if Configuration.show_submitbox_to?(@user) %>
                 <div class="submitbox">
                 <%= error_messages_for 'submitted_test_request' %>
                 <% form_for :test_request, nil,
                             :url => { :action => 'submit'},
                             :html => { :multipart => true } do |f| %>
                   <table>
                     <tr>
                       <td>Task:</td>
                       <td>
               	  <%= select(:test_request,
               	             :problem_id,
               	             @problems.collect {|p| [p.name, p.id]}, {},
                           The file shall be copied to the execution directory before your program runs.
                         </small>
                       </td>
                     </tr>
                     <tr>
                       <td colspan="2">
                         <%= submit_tag 'submit' %>
                       </td>
                     </tr>
                   </table>
                 <% end %>
                 </div>
+            + <% end %>
               <h3>Previous requests</h3>
               <table class="info">
                 <tr class="info-head">
                   <th>at</th>
                   <th>problem</th>
                   <th>sub #</th>
                   <th>status</th>
                   <th>output (first 2kb)</th>
                   <th>compiler message</th>
                   <th>detail</th>

db/schema.rb ¶ +1 -1

               # This file is auto-generated from the current state of the database. Instead of editing this file,
               # please use the migrations feature of ActiveRecord 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 to check this file into your version control system.
-            - ActiveRecord::Schema.define(:version => 35) do
+            + ActiveRecord::Schema.define(:version => 36) do
                 create_table "announcements", :force => true do |t|
                   t.string   "author"
                   t.text     "body"
                   t.boolean  "published"
                   t.datetime "created_at"
                   t.datetime "updated_at"
                 end
                 create_table "configurations", :force => true do |t|
                   t.string   "key"
                   t.string   "value_type"

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r122:dfa0387efb1e - Wed, 07 May 2008 11:44:42 - 9 files changed: 121 inserted, 17 deleted

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Author

r122:dfa0387efb1e - Wed, 07 May 2008 11:44:42 - 9 files changed: 121 inserted, 17 deleted

Commit `r122:dfa0387efb1e` public