commit 78ed7fb5305c090882badbd90747754c8f5e81b5
Author: Petko Bordjukov <bordjukov@gmail.com>
Date:   Tue Oct 6 15:21:46 2015 +0300

    Initial rough version

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fcaff28
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore the default SQLite database.
+/db/*.sqlite3
+/db/*.sqlite3-journal
+
+# Ignore all logfiles and tempfiles.
+/log/*
+!/log/.keep
+/tmp
+db/schema.rb
+config/secrets.yml
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..67bb90c
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,20 @@
+source 'https://rubygems.org'
+
+gem 'rails', '4.2.4'
+
+gem 'sqlite3'
+gem 'sass-rails'
+gem 'uglifier'
+gem 'coffee-rails'
+# gem 'therubyracer', platforms: :ruby
+
+gem 'jquery-rails'
+gem 'jbuilder'
+
+gem 'activeresource', require: 'active_resource'
+
+gem 'pry-rails'
+
+group :development do
+  gem 'spring'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
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index 0000000..ee56585
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,154 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.4)
+      actionview (= 4.2.4)
+      activesupport (= 4.2.4)
+      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 (4.2.4)
+      activesupport (= 4.2.4)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    activejob (4.2.4)
+      activesupport (= 4.2.4)
+      globalid (>= 0.3.0)
+    activemodel (4.2.4)
+      activesupport (= 4.2.4)
+      builder (~> 3.1)
+    activerecord (4.2.4)
+      activemodel (= 4.2.4)
+      activesupport (= 4.2.4)
+      arel (~> 6.0)
+    activeresource (4.0.0)
+      activemodel (~> 4.0)
+      activesupport (~> 4.0)
+      rails-observers (~> 0.1.1)
+    activesupport (4.2.4)
+      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)
+    builder (3.2.2)
+    coderay (1.1.0)
+    coffee-rails (4.1.0)
+      coffee-script (>= 2.2.0)
+      railties (>= 4.0.0, < 5.0)
+    coffee-script (2.4.1)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.9.1.1)
+    erubis (2.7.0)
+    execjs (2.6.0)
+    globalid (0.3.6)
+      activesupport (>= 4.1.0)
+    i18n (0.7.0)
+    jbuilder (2.3.2)
+      activesupport (>= 3.0.0, < 5)
+      multi_json (~> 1.2)
+    jquery-rails (4.0.5)
+      rails-dom-testing (~> 1.0)
+      railties (>= 4.2.0)
+      thor (>= 0.14, < 2.0)
+    json (1.8.3)
+    loofah (2.0.3)
+      nokogiri (>= 1.5.9)
+    mail (2.6.3)
+      mime-types (>= 1.16, < 3)
+    method_source (0.8.2)
+    mime-types (2.6.2)
+    mini_portile (0.6.2)
+    minitest (5.8.1)
+    multi_json (1.11.2)
+    nokogiri (1.6.6.2)
+      mini_portile (~> 0.6.0)
+    pry (0.10.2)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+    pry-rails (0.3.4)
+      pry (>= 0.9.10)
+    rack (1.6.4)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (4.2.4)
+      actionmailer (= 4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
+      activemodel (= 4.2.4)
+      activerecord (= 4.2.4)
+      activesupport (= 4.2.4)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.2.4)
+      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 (1.0.2)
+      loofah (~> 2.0)
+    rails-observers (0.1.2)
+      activemodel (~> 4.0)
+    railties (4.2.4)
+      actionpack (= 4.2.4)
+      activesupport (= 4.2.4)
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (10.4.2)
+    sass (3.4.18)
+    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)
+    slop (3.6.0)
+    spring (1.4.0)
+    sprockets (3.3.5)
+      rack (> 1, < 3)
+    sprockets-rails (2.3.3)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      sprockets (>= 2.8, < 4.0)
+    sqlite3 (1.3.10)
+    thor (0.19.1)
+    thread_safe (0.3.5)
+    tilt (2.0.1)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    uglifier (2.7.2)
+      execjs (>= 0.3.0)
+      json (>= 1.8.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activeresource
+  coffee-rails
+  jbuilder
+  jquery-rails
+  pry-rails
+  rails (= 4.2.4)
+  sass-rails
+  spring
+  sqlite3
+  uglifier
+
+BUNDLED WITH
+   1.10.6
diff --git a/README.rdoc b/README.rdoc
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--- /dev/null
+++ b/README.rdoc
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+== README
+
+This README would normally document whatever steps are necessary to get the
+application up and running.
+
+Things you may want to cover:
+
+* Ruby version
+
+* System dependencies
+
+* Configuration
+
+* Database creation
+
+* Database initialization
+
+* How to run the test suite
+
+* Services (job queues, cache servers, search engines, etc.)
+
+* Deployment instructions
+
+* ...
+
+
+Please feel free to use a different markup language if you do not plan to run
+<tt>rake doc:app</tt>.
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..ba6b733
--- /dev/null
+++ b/Rakefile
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+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require File.expand_path('../config/application', __FILE__)
+
+Rails.application.load_tasks
diff --git a/app/assets/images/.keep b/app/assets/images/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
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index 0000000..646c5ab
--- /dev/null
+++ b/app/assets/javascripts/application.js
@@ -0,0 +1,15 @@
+// This is a manifest file that'll be compiled into application.js, which will include all the files
+// listed below.
+//
+// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
+// or any plugin's vendor/assets/javascripts directory can be referenced here using a relative path.
+//
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// compiled file.
+//
+// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
+// about supported directives.
+//
+//= require jquery
+//= require jquery_ujs
+//= require_tree .
diff --git a/app/assets/javascripts/halfnarp.js b/app/assets/javascripts/halfnarp.js
new file mode 100644
index 0000000..ce8ba09
--- /dev/null
+++ b/app/assets/javascripts/halfnarp.js
@@ -0,0 +1,275 @@
+(function() {
+    function toggle_grid(isList) {
+        $('.room-label').toggleClass('hidden', isList );
+        $('.track h2').toggleClass('hidden', !isList );
+        $('.event').toggleClass('event-in-list', isList );
+        $('.event').toggleClass('event-in-calendar', !isList );
+        $('.event').toggleClass('hidden', !isList );
+        $('.guide').toggleClass('hidden', isList );
+        $('#qrcode').toggleClass('limit', !isList );
+    }
+
+    function do_the_halfnarp() {
+        var halfnarpAPI     = '/talk_preferences';
+        var halfnarpPubAPI  = halfnarpAPI + '/';
+        var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0));
+        window.all_events = new Object();
+        var myuid, mypid, newfriend = new Object();
+
+        $.extend($.expr[':'], {
+            'containsi': function(elem, i, match, array)
+            {
+                return (elem.textContent || elem.innerText || '').toLowerCase()
+                    .indexOf((match[3] || '').toLowerCase()) >= 0;
+            }
+        });
+
+        /* Add callback for submit click */
+        $('.submit').click( function() {
+            var myapi;
+
+            /* Get user's preferences and try to save them locally */
+            var ids = $('.selected').map( function() {
+                return parseInt($(this).attr('event_id'));
+            }).get();
+            try {
+                localStorage['OpenFest-gauge'] = ids;
+                myapi = localStorage['OpenFest-gauge-api'];
+            } catch(err) {
+                alert('Storing your choices locally is forbidden.');
+            }
+
+            /* Convert preferences to JSON and post them to backend */
+            var request = {talk_preference: {'talks': ids}};
+            if( !myapi || !myapi.length ) {
+                /* If we do not have resource URL, post data and get resource */
+                $.post( halfnarpAPI, request, function( data ) {
+                    $('.info span').text('submitted');
+                    $('.info').removeClass('hidden');
+                    try {
+                        localStorage['OpenFest-gauge-api'] = data['update_url'];
+                        localStorage['OpenFest-gauge-pid'] = mypid = data['hashed_uid'];
+                        localStorage['OpenFest-gauge-uid'] = myuid = data['uid'];
+                        window.location.hash = mypid;
+                    } catch(err) {}
+                }, 'json' ).fail(function() {
+                    $('.info span').text('failed :(');
+                    $('.info').removeClass('hidden');
+                });
+            } else {
+                /* If we do have a resource URL, update resource */
+                $.ajax({
+                    type: 'PUT',
+                    url: myapi,
+                    data: request,
+                    dataType: 'json',
+                }).done(function(data) {
+                    localStorage['OpenFest-gauge-uid'] = myuid = data['uid'];
+                    if( localStorage['OpenFest-gauge-pid'] ) {
+                        window.location.hash = localStorage['OpenFest-gauge-pid'];
+                    }
+                    $('.info span').text('updated');
+                    $('.info').removeClass('hidden');
+                }).fail(function(msg) {
+                    $('.info span').text('failed');
+                    $('.info').removeClass('hidden');
+                });
+            }
+
+            /* Tell QRCode library to update and/or display preferences for Apps */
+            // $('#qrcode').empty();
+            // $('#qrcode').qrcode({width: 224, height: 224, text: request});
+            // $('#qrcode').removeClass('hidden');
+
+            /* Export all preferences in ical events */
+            // var now = new Date();
+            // var calendar = 'BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//events.ccc.de//halfnarp//EN\r\nX-WR-TIMEZONE:Europe/Berlin\r\n';
+            // ids.forEach( function(id) {
+            //     var item = all_events[id];
+            //     var start = new Date(item.start_time);
+            //     calendar += 'BEGIN:VEVENT\r\n';
+            //     calendar += 'UID:'+myuid+item.event_id+'\r\n';
+            //     calendar += 'DTSTAMP:' + now.toISOString().replace(/-|;|:|\./g, '').replace(/...Z$/, 'Z') + '\r\n';
+            //     calendar += 'DTSTART:' + start.toISOString().replace(/-|;|:|\./g, '').replace(/...Z$/, 'Z') + '\r\n';
+            //     calendar += 'DURATION:PT' + item.duration + 'M\r\n';
+            //     calendar += 'LOCATION:' + item.room_name + '\r\n';
+            //     calendar += 'URL:http://events.ccc.de/congress/2014/Fahrplan/events/' + item.event_id + '.html\r\n';
+            //     calendar += 'DESCRIPTION:' + item.title + '\r\n';
+            //     calendar += 'SUMMARY:' + item.abstract.replace(/\n/g, '') + '\r\n';
+            //     console.log( 'id:' + id + ' ' + all_events[id] );
+            //     console.log( all_events[id].title );
+            //     calendar += 'END:VEVENT\r\n';
+            // });
+            // calendar += 'END:VCALENDAR\r\n';
+            // $('.export-url-a').attr( 'href', "data:text/calendar;filename=OpenFest.ics," + encodeURIComponent(calendar) );
+            // $('.export-url').removeClass( 'hidden' );
+        });
+
+        /* Add handler for type ahead search input field */
+        $('#filter').bind('paste cut keypress keydown keyup', function() {
+            var cnt = $(this).val();
+            if( cnt.length ) {
+                $('.event').css('display', 'none');
+                $('.event:containsi('+cnt+')').css('display', 'block');
+            } else {
+                $('.event').css('display', 'block');
+            }
+        });
+
+        /* Add click handlers for event div sizers */
+        $('.smallboxes').click( function() {
+            $('#qrcode').css( 'margin-bottom', '0' );
+            $('.event').removeClass('medium large');
+            $('.event').addClass('small');
+        });
+
+        $('.mediumboxes').click( function() {
+            $('#qrcode').css( 'margin-bottom', '62px' );
+            $('.event').removeClass('small large');
+            $('.event').addClass('medium');
+        });
+
+        $('.largeboxes').click( function() {
+            $('#qrcode').css( 'margin-bottom', '124px' );
+            $('.event').removeClass('small medium');
+            $('.event').addClass('large');
+        });
+
+        /* Add de-highlighter on touch interface devices */
+        if( isTouch ) {
+            $('body').click( function() {
+                $('.highlighted').removeClass('highlighted');
+            });
+        }
+
+        /* Add callbacks for view selector */
+        $('.list').click( function() {
+            toggle_grid(true);
+        });
+        $('.day1').click( function() {
+            toggle_grid(false);
+            $('.day_1').removeClass('hidden');
+        });
+        $('.day2').click( function() {
+            toggle_grid(false);
+            $('.day_2').removeClass('hidden');
+        });
+        $('.day3').click( function() {
+            toggle_grid(false);
+            $('.day_3').removeClass('hidden');
+        });
+        $('.day4').click( function() {
+            toggle_grid(false);
+            $('.day_4').removeClass('hidden');
+        });
+
+        /* Create hour guides */
+        for( var i = 11; i<26; ++i ) {
+            var elem = document.createElement('hr');
+            $(elem).addClass('guide time_' + (i>23?'0':'') + i%24 + '00');
+            $('body').append(elem);
+            elem = document.createElement('div');
+            $(elem).text((i>23?'0':'') + i%24 + '00');
+            $(elem).addClass('guide time_' + (i>23?'0':'') + i%24 + '00');
+            $('body').append(elem);
+        }
+
+        /* If we've been here before, try to get local preferences. They are authoratative */
+        var selection = [], friends = { 'foo': undefined };
+        try {
+            selection = localStorage['OpenFest-gauge'] || [];
+            friends   = localStorage['OpenFest-gauge-friends'] || { 'foo': undefined };
+            myuid     = localStorage['OpenFest-gauge-uid'] || '';
+            mypid     = localStorage['OpenFest-gauge-pid'] || '';
+        } catch(err) {
+        }
+
+        /* Fetch list of lectures to display */
+        $.getJSON( halfnarpAPI, { locale: $('html').attr('lang') })
+            .done(function( data ) {
+                $.each( data, function( i, item ) {
+                    /* Save event to all_events hash */
+                    all_events[item.event_id] = item;
+
+                    /* Take copy of hidden event template div and select them, if they're in
+                       list of previous prereferences */
+                    var t = $( '#template' ).clone(true);
+                    t.attr('event_id', item.event_id.toString());
+                    t.attr('id', 'event_' + item.event_id.toString());
+                    if( selection && selection.indexOf(item.event_id) != -1 ) {
+                        t.addClass( 'selected' );
+                    }
+
+                    /* Sort textual info into event div */
+                    t.find('.title').text(item.title);
+                    t.find('.event_type').text(item.event_type);
+                    t.find('.abstract').text(item.abstract);
+
+                    /* start_time: 2014-12-29T21:15:00+01:00" */
+                    var start_time = new Date(item.start_time);
+
+                    var day  = start_time.getDate()-26;
+                    var hour = start_time.getHours();
+                    var mins = start_time.getMinutes();
+
+                    /* After midnight: sort into yesterday */
+                    if( hour < 10 ) {
+                        day--;
+                    }
+                    /* Apply attributes to sort events into calendar */
+                    t.addClass('small room_' + item.room_id + ' duration_' + item.duration + ' day_'+day + ' time_' + (hour<10?'0':'') + hour + '' + (mins<10?'0':'') + mins);
+
+                    t.click( function(event) {
+                        /* Transition for touch devices is highlighted => selected => highlighted ... */
+                        if( isTouch ) {
+                            if ( $( this ).hasClass('highlighted') ) {
+                                $( this ).toggleClass('selected');
+                                $('.info').addClass('hidden');
+                            } else {
+                                $('.highlighted').removeClass('highlighted');
+                                $( this ).addClass('highlighted');
+                            }
+                        } else {
+                            $( this ).toggleClass('selected');
+                            $('.info').addClass('hidden');
+                        }
+                        event.stopPropagation();
+                    });
+                    /* Put new event into DOM tree. Track defaults to 'Other' */
+                    var d = $( '#' + item.track_id.toString() );
+                    if( !d.length ) {
+                        d = $( '#Other' );
+                    }
+                    d.append(t);
+                    if( newfriend.pid ) {
+                        newfriend.prefs.forEach( function( eventid ) {
+                            $( '#event_' + eventid ).addClass( 'friend' );
+                        });
+                    }
+                });
+
+                /* Initially display as list */
+                toggle_grid(true);
+
+                /* Check for a new friends public uid in location's #hash */
+                var shared = window.location.hash;
+                shared = shared ? shared.substr(1) : '';
+                if( shared.length ) {
+                    if ( ( friends[shared] ) || ( shared === mypid ) ) {
+
+                    } else {
+                        $.getJSON( halfnarpPubAPI + shared, { locale: $('html').attr('lang') })
+                            .done(function( data ) {
+                                newfriend.pid      = shared;
+                                newfriend.prefs    = data.talk_ids;
+                                newfriend.prefs.forEach( function( eventid ) {
+                                    $( '#event_' + eventid ).addClass( 'friend' );
+                                });
+                            });
+                    }
+                }
+            });
+    }
+
+    $(document).ready(function() {do_the_halfnarp()});
+}).call(this);
diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
new file mode 100644
index 0000000..f9cd5b3
--- /dev/null
+++ b/app/assets/stylesheets/application.css
@@ -0,0 +1,15 @@
+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
+ * or any plugin's vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any styles
+ * defined in the other CSS/SCSS files in this directory. It is generally better to create a new
+ * file per style scope.
+ *
+ *= require_tree .
+ *= require_self
+ */
diff --git a/app/assets/stylesheets/halfnarp.css b/app/assets/stylesheets/halfnarp.css
new file mode 100644
index 0000000..baef8cc
--- /dev/null
+++ b/app/assets/stylesheets/halfnarp.css
@@ -0,0 +1,323 @@
+body {
+    font-family: "HelveticaNeueLight", "HelveticaNeue-Light", "Helvetica Neue Light", "HelveticaNeue", "Helvetica Neue", 'TeXGyreHerosRegular', "Helvetica", "Tahoma", "Geneva", "Arial", sans-serif; font-weight:300; font-stretch:normal;
+}
+
+.header {
+    min-width: 640px;
+}
+
+.headline {
+    font-size: 3em;
+    font-weight: bold;
+    text-align: center;
+    margin-bottom: 1em;
+}
+
+.rightbox {
+    float: right;
+    max-width: 50%;
+}
+
+.leftbox {
+    float: left;
+    max-width: 50%;
+}
+
+.submit {
+    font-size: 2em;
+    text-align: center;
+    text-transform: uppercase;
+
+    width: 6em;
+    height: 1em;
+    background: green; color: white;
+
+    padding: 0.5em 0 0.5em 0;
+    border-radius: 5px;
+    float: right;
+    cursor: pointer;
+}
+
+.info {
+    font-size: 2em;
+    text-align: center;
+
+    height: 1em;
+    background: lightblue;
+
+    margin-right: 0.2em;
+    border-radius: 5px;
+    padding: 0.5em;
+    float: right;
+}
+
+.submit:hover {
+    background: GreenYellow;
+}
+
+#filter {
+    font-size: 2em;
+    margin: 0 1em .3em 0;
+}
+
+.clear {
+    clear: both;
+}
+
+.explainer {
+    margin-top: 5em;
+    text-align: right;
+}
+
+.explainer ul {
+    list-style-type: none;
+    padding:0;
+    margin:0;
+    height: 8em;
+    overflow: hidden;
+}
+
+.boxer {
+    font-size: 1em;
+    float: left;
+    width: 2em;
+    height: 2em;
+    background: grey;
+    color: white;
+    text-align: center;
+    margin-right: 0.2em;
+    padding: 0.2em 0 0 0;
+    cursor: pointer;
+    border-radius: 5px;
+}
+
+.allboxes {
+    clear: left;
+    margin-top: 3em;
+}
+
+.mediumboxes {
+    width: 3em;
+    height: 3em;
+}
+
+.largeboxes {
+    width: 4em;
+    height: 4em;
+}
+
+.views {
+    float: left;
+    background: grey;
+    margin-right: 0.2em;
+    padding: 0.2em 0 0 0;
+    text-align: center;
+    color: white;
+    width: 3em;
+    height: 2em;
+    cursor: pointer;
+    border-radius: 5px;
+}
+
+.views:hover,
+.boxer:hover {
+    background: #eee;
+}
+
+.track h2 {
+    text-align: center;
+
+    border-bottom: 0.3em solid #4588ba;
+
+    margin: 2em 0 1em 0;
+    clear: both;
+}
+
+.event {
+    overflow: hidden;
+
+    background: #eee;
+    border-radius: 5px;
+
+    margin: 0 0.8em 0.8em 0;
+    cursor: pointer;
+}
+
+.event-in-list {
+    display: inline-block;
+    float: left;
+}
+
+.event-in-list.small {
+    width: 14em;
+    height: 14em;
+}
+.event-in-list.medium {
+    width: 17em;
+    height: 17em;
+}
+.event-in-list.large {
+    width: 20em;
+    height: 20em;
+}
+
+.event-in-calendar,
+.room-label {
+    position: absolute;
+    width:    18.75%;
+}
+
+.room-label {
+    text-align: center;
+    font-size: 2em;
+    font-weight: bold;
+    top: 350px;
+}
+.day_1    {  }
+.day_2    {  }
+.day_3    {  }
+.day_4    {  }
+
+.event-in-calendar.room_325, .room1 { left:  5.00%; }
+.event-in-calendar.room_326, .room2 { left: 28.75%; }
+.event-in-calendar.room_327, .roomg { left: 52.50%; }
+.event-in-calendar.room_328, .room6 { left: 76.25%  }
+
+.event-in-calendar.duration_1800 { height:  95px; }
+.event-in-calendar.duration_3600 { height: 195px; }
+.event-in-calendar.duration_5400 { height: 290px; }
+.event-in-calendar.duration_7200 { height: 395px; }
+.event-in-calendar.duration_8100 { height: 445px; }
+
+.guide {
+    position: absolute;
+    z-index: -1;
+    font-weight: bold;
+}
+hr.guide {
+    left: 4%;
+    width: 95%;
+}
+
+.time_1100 { top:  400px;  }
+.time_1130 { top:  500px;  }
+.time_1200 { top:  600px;  }
+.time_1245 { top:  750px;  }
+.time_1300 { top:  800px;  }
+.time_1400 { top: 1000px;  }
+.time_1500 { top: 1200px;  }
+.time_1600 { top: 1400px;  }
+.time_1645 { top: 1550px;  }
+.time_1700 { top: 1600px;  }
+.time_1715 { top: 1650px;  }
+.time_1730 { top: 1700px;  }
+.time_1800 { top: 1800px;  }
+.time_1815 { top: 1850px;  }
+.time_1830 { top: 1900px;  }
+.time_1900 { top: 2000px;  }
+.time_2000 { top: 2200px;  }
+.time_2030 { top: 2300px;  }
+.time_2100 { top: 2400px;  }
+.time_2115 { top: 2450px;  }
+.time_2145 { top: 2550px;  }
+.time_2200 { top: 2600px;  }
+.time_2245 { top: 2750px;  }
+.time_2300 { top: 2800px;  }
+.time_2330 { top: 2900px;  }
+.time_0000 { top: 3000px;  }
+.time_0015 { top: 3050px;  }
+.time_0100 { top: 3200px;  }
+.time_0200 { top: 3400px;  }
+
+.event-in-list:hover {
+    position: relative;
+    top: auto !important;
+}
+
+.event:hover,
+.highlighted {
+    overflow: visible;
+    z-index: 1;
+    background: grey;
+}
+
+.selected {
+    background: red !important;
+}
+.selected.friend {
+    background-image:
+        repeating-linear-gradient(
+          45deg,
+          purple,
+          purple 20px,
+          red 20px,
+          red 40px /* determines size */
+        ) !important;
+        color: white;
+}
+.selected:hover,
+.friend:hover {
+    background: pink !important;
+    color: black;
+}
+.friend {
+    background: purple;
+    color: white;
+}
+
+.title {
+    font-weight: bold;
+    font-size: 1.1em;
+    padding: 0.2em 0.2em 0 0.2em;
+}
+
+.event_type {
+    font-style: italic;
+    padding: 0 0.2em 0 0.1em;
+    margin-bottom: 0.2em;
+}
+
+.event:hover .abstract,
+.event.highlighted .abstract {
+    background: inherit;
+}
+
+.abstract {
+    padding: 0 0.2em 0.2em 0.2em;
+    border-radius: 5px;
+}
+
+.hidden {
+    visibility: hidden !important;
+    display: none !important;
+}
+
+.export-url {
+    float: left;
+    padding: 0.2em 0 0 0;
+    border-radius: 5px;
+    text-align: center;
+    background: lightblue;
+    width: 6em;
+    height: 2em;
+}
+
+#qrcode {
+    display: inline-block;
+    float: right;
+
+    margin: 0 0.8em 0.8em 0;
+    width:  14em;
+    height: 14em;
+}
+
+.limit#qrcode canvas {
+    width: 4em;
+    height: 4em;
+}
+
+#qrcode:hover canvas,
+.selected#qrcode canvas {
+    width: 224px !important;
+    height: 224px !important;
+}
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
new file mode 100644
index 0000000..d83690e
--- /dev/null
+++ b/app/controllers/application_controller.rb
@@ -0,0 +1,5 @@
+class ApplicationController < ActionController::Base
+  # Prevent CSRF attacks by raising an exception.
+  # For APIs, you may want to use :null_session instead.
+  protect_from_forgery with: :exception
+end
diff --git a/app/controllers/concerns/.keep b/app/controllers/concerns/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/controllers/home_controller.rb b/app/controllers/home_controller.rb
new file mode 100644
index 0000000..95f2992
--- /dev/null
+++ b/app/controllers/home_controller.rb
@@ -0,0 +1,4 @@
+class HomeController < ApplicationController
+  def index
+  end
+end
diff --git a/app/controllers/talk_preferences_controller.rb b/app/controllers/talk_preferences_controller.rb
new file mode 100644
index 0000000..8de38ad
--- /dev/null
+++ b/app/controllers/talk_preferences_controller.rb
@@ -0,0 +1,44 @@
+class TalkPreferencesController < ApplicationController
+  def index
+    @talks = Talk.all(params: {locale: I18n.locale})
+  end
+
+  def show
+    @talk_preference = TalkPreference.find_by hashed_unique_id: params[:id]
+    render json: {talk_ids: @talk_preference.talks}
+  end
+
+  def create
+    @talk_preference = TalkPreference.new talk_preference_params
+
+    if @talk_preference.save
+      render json: {
+               update_url: talk_preference_url(@talk_preference),
+               hashed_uid: @talk_preference.hashed_unique_id,
+               uid: @talk_preference.id
+             }, status: :created
+    else
+      render status: :unprocessable_entity
+    end
+  end
+
+  def update
+    @talk_preference = TalkPreference.find params[:id]
+
+    if @talk_preference.update talk_preference_params
+      render json: {
+               update_url: talk_preference_url(@talk_preference),
+               hashed_uid: @talk_preference.hashed_unique_id,
+               uid: @talk_preference.id
+             }
+    else
+      render status: :unprocessable_entity
+    end
+  end
+
+  private
+
+  def talk_preference_params
+    params.require(:talk_preference).permit(talks: [])
+  end
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
new file mode 100644
index 0000000..de6be79
--- /dev/null
+++ b/app/helpers/application_helper.rb
@@ -0,0 +1,2 @@
+module ApplicationHelper
+end
diff --git a/app/mailers/.keep b/app/mailers/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/models/.keep b/app/models/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/models/concerns/.keep b/app/models/concerns/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/models/talk.rb b/app/models/talk.rb
new file mode 100644
index 0000000..306b47d
--- /dev/null
+++ b/app/models/talk.rb
@@ -0,0 +1,4 @@
+class Talk < ActiveResource::Base
+  self.site = "https://cfp.openfest.org/api/conferences/2"
+  self.element_name = "event"
+end
diff --git a/app/models/talk_preference.rb b/app/models/talk_preference.rb
new file mode 100644
index 0000000..2797c48
--- /dev/null
+++ b/app/models/talk_preference.rb
@@ -0,0 +1,14 @@
+class TalkPreference < ActiveRecord::Base
+  self.primary_key = :unique_id
+
+  serialize :talks, Array
+
+  before_create :assign_new_unique_id
+
+  private
+
+  def assign_new_unique_id
+    self.unique_id = SecureRandom.uuid
+    self.hashed_unique_id = Digest::SHA1.hexdigest(self.unique_id)
+  end
+end
diff --git a/app/views/home/index.html.erb b/app/views/home/index.html.erb
new file mode 100644
index 0000000..00a62e7
--- /dev/null
+++ b/app/views/home/index.html.erb
@@ -0,0 +1,41 @@
+<div style="display:none">
+  <div class="event" id="template">
+    <div class="title"></div>
+    <div class="event_type"></div>
+    <div class="abstract"></div>
+  </div>
+</div>
+
+<div class="headline"><%= t 'generic.title' %></div>
+<div class="header">
+  <div class="rightbox">
+    <div title="<%= t 'generic.store_and_submit_changes' %>" class="submit"><%= t 'generic.submit' %></div>
+    <div class="info hidden"><span></span></div>
+    <div class="explainer">
+      <span>
+        <ul>
+          <li>
+            <%= t 'generic.help_us_reduce_the_conflicts' %>
+          </li>
+          <li>
+            <%= t 'generic.click_on_the_talks_you_would_like_to_watch' %>
+          </li>
+          <li>
+            <%= t 'generic.press_submit' %>
+          </li>
+      </span>
+    </div>
+  </div>
+  <div class="leftbox">
+    <input id="filter" type="text" placeholder="<%= t 'generic.filter_events' %>"/>
+    <div class="allboxes">
+      <div class="smallboxes boxer">size</div><div class="mediumboxes boxer">Size</div><div class="largeboxes boxer">SIZE</div>
+      <a class="export-url-a" download="31C3.ics" type="text/calendar" href="#"><div class="export-url hidden">31C3.ics</div></a>
+    </div>
+  </div>
+</div>
+<div class="track" id="12"><h2>Technical</h2><div id="qrcode" class="hidden"></div></div>
+<div class="track" id="10"><h2>OpenBiz</h2></div>
+<div class="track" id="13"><h2>Civic Hacking</h2></div>
+<div class="track" id="14"><h2>Social</h2></div>
+<div class="track" id="15"><h2>Advanced Technical</h2></div>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
new file mode 100644
index 0000000..d704341
--- /dev/null
+++ b/app/views/layouts/application.html.erb
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="<%= I18n.locale.to_s %>">
+  <head>
+    <title><%= t 'generic.title' %></title>
+    <%= stylesheet_link_tag    'application', media: 'all' %>
+    <%= javascript_include_tag 'application' %>
+    <%= csrf_meta_tags %>
+  </head>
+  <body>
+
+    <%= yield %>
+
+  </body>
+</html>
diff --git a/app/views/talk_preferences/index.jbuilder b/app/views/talk_preferences/index.jbuilder
new file mode 100644
index 0000000..8a8db92
--- /dev/null
+++ b/app/views/talk_preferences/index.jbuilder
@@ -0,0 +1,8 @@
+json.array! @talks do |talk|
+  json.title talk.title
+  json.abstract talk.abstract
+  json.track_id talk.track_id
+  json.track_name talk.track.name
+  json.event_id talk.id
+  json.event_type talk.event_type.name
+end
diff --git a/bin/bundle b/bin/bundle
new file mode 100755
index 0000000..66e9889
--- /dev/null
+++ b/bin/bundle
@@ -0,0 +1,3 @@
+#!/usr/bin/env ruby
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+load Gem.bin_path('bundler', 'bundle')
diff --git a/bin/rails b/bin/rails
new file mode 100755
index 0000000..4d608ed
--- /dev/null
+++ b/bin/rails
@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+begin
+  load File.expand_path("../spring", __FILE__)
+rescue LoadError
+end
+APP_PATH = File.expand_path('../../config/application', __FILE__)
+require_relative '../config/boot'
+require 'rails/commands'
diff --git a/bin/rake b/bin/rake
new file mode 100755
index 0000000..8017a02
--- /dev/null
+++ b/bin/rake
@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+begin
+  load File.expand_path("../spring", __FILE__)
+rescue LoadError
+end
+require_relative '../config/boot'
+require 'rake'
+Rake.application.run
diff --git a/bin/setup b/bin/setup
new file mode 100755
index 0000000..acdb2c1
--- /dev/null
+++ b/bin/setup
@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+require 'pathname'
+
+# path to your application root.
+APP_ROOT = Pathname.new File.expand_path('../../',  __FILE__)
+
+Dir.chdir APP_ROOT do
+  # This script is a starting point to setup your application.
+  # Add necessary setup steps to this file:
+
+  puts "== Installing dependencies =="
+  system "gem install bundler --conservative"
+  system "bundle check || bundle install"
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?("config/database.yml")
+  #   system "cp config/database.yml.sample config/database.yml"
+  # end
+
+  puts "\n== Preparing database =="
+  system "bin/rake db:setup"
+
+  puts "\n== Removing old logs and tempfiles =="
+  system "rm -f log/*"
+  system "rm -rf tmp/cache"
+
+  puts "\n== Restarting application server =="
+  system "touch tmp/restart.txt"
+end
diff --git a/bin/spring b/bin/spring
new file mode 100755
index 0000000..5e7ecc4
--- /dev/null
+++ b/bin/spring
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+# This file loads spring without using Bundler, in order to be fast.
+# It gets overwritten when you run the `spring binstub` command.
+
+unless defined?(Spring)
+  require "rubygems"
+  require "bundler"
+
+  if (match = Bundler.default_lockfile.read.match(/^GEM$.*?^    (?:  )*spring \((.*?)\)$.*?^$/m))
+    Gem.paths = { "GEM_PATH" => [Bundler.bundle_path.to_s, *Gem.path].uniq }
+    gem "spring", match[1]
+    require "spring/binstub"
+  end
+end
diff --git a/config.ru b/config.ru
new file mode 100644
index 0000000..bd83b25
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,4 @@
+# This file is used by Rack-based servers to start the application.
+
+require ::File.expand_path('../config/environment', __FILE__)
+run Rails.application
diff --git a/config/application.rb b/config/application.rb
new file mode 100644
index 0000000..bea26da
--- /dev/null
+++ b/config/application.rb
@@ -0,0 +1,26 @@
+require File.expand_path('../boot', __FILE__)
+
+require 'rails/all'
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+module Gauge
+  class Application < Rails::Application
+    # Settings in config/environments/* take precedence over those specified here.
+    # Application configuration should go into files in config/initializers
+    # -- all .rb files in that directory are automatically loaded.
+
+    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
+    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
+    # config.time_zone = 'Central Time (US & Canada)'
+
+    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
+    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
+    # config.i18n.default_locale = :de
+
+    # Do not swallow errors in after_commit/after_rollback callbacks.
+    config.active_record.raise_in_transactional_callbacks = true
+  end
+end
diff --git a/config/boot.rb b/config/boot.rb
new file mode 100644
index 0000000..6b750f0
--- /dev/null
+++ b/config/boot.rb
@@ -0,0 +1,3 @@
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+
+require 'bundler/setup' # Set up gems listed in the Gemfile.
diff --git a/config/database.yml b/config/database.yml
new file mode 100644
index 0000000..1c1a37c
--- /dev/null
+++ b/config/database.yml
@@ -0,0 +1,25 @@
+# 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
+
+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
diff --git a/config/environment.rb b/config/environment.rb
new file mode 100644
index 0000000..ee8d90d
--- /dev/null
+++ b/config/environment.rb
@@ -0,0 +1,5 @@
+# Load the Rails application.
+require File.expand_path('../application', __FILE__)
+
+# Initialize the Rails application.
+Rails.application.initialize!
diff --git a/config/environments/development.rb b/config/environments/development.rb
new file mode 100644
index 0000000..b55e214
--- /dev/null
+++ b/config/environments/development.rb
@@ -0,0 +1,41 @@
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # In the development environment your application's code is reloaded on
+  # every request. This slows down response time but is perfect for development
+  # since you don't have to restart the web server when you make code changes.
+  config.cache_classes = false
+
+  # Do not eager load code on boot.
+  config.eager_load = false
+
+  # Show full error reports and disable caching.
+  config.consider_all_requests_local       = true
+  config.action_controller.perform_caching = false
+
+  # Don't care if the mailer can't send.
+  config.action_mailer.raise_delivery_errors = false
+
+  # Print deprecation notices to the Rails logger.
+  config.active_support.deprecation = :log
+
+  # Raise an error on page load if there are pending migrations.
+  config.active_record.migration_error = :page_load
+
+  # Debug mode disables concatenation and preprocessing of assets.
+  # This option may cause significant delays in view rendering with a large
+  # number of complex assets.
+  config.assets.debug = true
+
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
+  config.assets.digest = true
+
+  # Adds additional error checking when serving assets at runtime.
+  # Checks for improperly declared sprockets dependencies.
+  # Raises helpful error messages.
+  config.assets.raise_runtime_errors = true
+
+  # Raises error for missing translations
+  # config.action_view.raise_on_missing_translations = true
+end
diff --git a/config/environments/production.rb b/config/environments/production.rb
new file mode 100644
index 0000000..5c1b32e
--- /dev/null
+++ b/config/environments/production.rb
@@ -0,0 +1,79 @@
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # Code is not reloaded between requests.
+  config.cache_classes = true
+
+  # Eager load code on boot. This eager loads most of Rails and
+  # your application in memory, allowing both threaded web servers
+  # and those relying on copy on write to perform better.
+  # Rake tasks automatically ignore this option for performance.
+  config.eager_load = true
+
+  # Full error reports are disabled and caching is turned on.
+  config.consider_all_requests_local       = false
+  config.action_controller.perform_caching = true
+
+  # Enable Rack::Cache to put a simple HTTP cache in front of your application
+  # Add `rack-cache` to your Gemfile before enabling this.
+  # For large-scale production use, consider using a caching reverse proxy like
+  # NGINX, varnish or squid.
+  # config.action_dispatch.rack_cache = true
+
+  # Disable serving static files from the `/public` folder by default since
+  # Apache or NGINX already handles this.
+  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
+
+  # Compress JavaScripts and CSS.
+  config.assets.js_compressor = :uglifier
+  # config.assets.css_compressor = :sass
+
+  # Do not fallback to assets pipeline if a precompiled asset is missed.
+  config.assets.compile = false
+
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
+  config.assets.digest = true
+
+  # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
+
+  # Specifies the header that your server uses for sending files.
+  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
+  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+
+  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+  # config.force_ssl = true
+
+  # Use the lowest log level to ensure availability of diagnostic information
+  # when problems arise.
+  config.log_level = :debug
+
+  # Prepend all log lines with the following tags.
+  # config.log_tags = [ :subdomain, :uuid ]
+
+  # Use a different logger for distributed setups.
+  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
+
+  # Use a different cache store in production.
+  # config.cache_store = :mem_cache_store
+
+  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
+  # config.action_controller.asset_host = 'http://assets.example.com'
+
+  # Ignore bad email addresses and do not raise email delivery errors.
+  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
+  # config.action_mailer.raise_delivery_errors = false
+
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation cannot be found).
+  config.i18n.fallbacks = true
+
+  # Send deprecation notices to registered listeners.
+  config.active_support.deprecation = :notify
+
+  # Use default logging formatter so that PID and timestamp are not suppressed.
+  config.log_formatter = ::Logger::Formatter.new
+
+  # Do not dump schema after migrations.
+  config.active_record.dump_schema_after_migration = false
+end
diff --git a/config/environments/test.rb b/config/environments/test.rb
new file mode 100644
index 0000000..1c19f08
--- /dev/null
+++ b/config/environments/test.rb
@@ -0,0 +1,42 @@
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # The test environment is used exclusively to run your application's
+  # test suite. You never need to work with it otherwise. Remember that
+  # your test database is "scratch space" for the test suite and is wiped
+  # and recreated between test runs. Don't rely on the data there!
+  config.cache_classes = true
+
+  # Do not eager load code on boot. This avoids loading your whole application
+  # just for the purpose of running a single test. If you are using a tool that
+  # preloads Rails for running tests, you may have to set it to true.
+  config.eager_load = false
+
+  # Configure static file server for tests with Cache-Control for performance.
+  config.serve_static_files   = true
+  config.static_cache_control = 'public, max-age=3600'
+
+  # Show full error reports and disable caching.
+  config.consider_all_requests_local       = true
+  config.action_controller.perform_caching = false
+
+  # Raise exceptions instead of rendering exception templates.
+  config.action_dispatch.show_exceptions = false
+
+  # Disable request forgery protection in test environment.
+  config.action_controller.allow_forgery_protection = false
+
+  # Tell Action Mailer not to deliver emails to the real world.
+  # The :test delivery method accumulates sent emails in the
+  # ActionMailer::Base.deliveries array.
+  config.action_mailer.delivery_method = :test
+
+  # Randomize the order test cases are executed.
+  config.active_support.test_order = :random
+
+  # Print deprecation notices to the stderr.
+  config.active_support.deprecation = :stderr
+
+  # Raises error for missing translations
+  # config.action_view.raise_on_missing_translations = true
+end
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
new file mode 100644
index 0000000..01ef3e6
--- /dev/null
+++ b/config/initializers/assets.rb
@@ -0,0 +1,11 @@
+# Be sure to restart your server when you modify this file.
+
+# Version of your assets, change this if you want to expire all your assets.
+Rails.application.config.assets.version = '1.0'
+
+# Add additional assets to the asset load path
+# Rails.application.config.assets.paths << Emoji.images_path
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
+# Rails.application.config.assets.precompile += %w( search.js )
diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
new file mode 100644
index 0000000..59385cd
--- /dev/null
+++ b/config/initializers/backtrace_silencers.rb
@@ -0,0 +1,7 @@
+# Be sure to restart your server when you modify this file.
+
+# You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
+# Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+
+# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
+# Rails.backtrace_cleaner.remove_silencers!
diff --git a/config/initializers/cookies_serializer.rb b/config/initializers/cookies_serializer.rb
new file mode 100644
index 0000000..7f70458
--- /dev/null
+++ b/config/initializers/cookies_serializer.rb
@@ -0,0 +1,3 @@
+# Be sure to restart your server when you modify this file.
+
+Rails.application.config.action_dispatch.cookies_serializer = :json
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
new file mode 100644
index 0000000..4a994e1
--- /dev/null
+++ b/config/initializers/filter_parameter_logging.rb
@@ -0,0 +1,4 @@
+# Be sure to restart your server when you modify this file.
+
+# Configure sensitive parameters which will be filtered from the log file.
+Rails.application.config.filter_parameters += [:password]
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
new file mode 100644
index 0000000..ac033bf
--- /dev/null
+++ b/config/initializers/inflections.rb
@@ -0,0 +1,16 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new inflection rules using the following format. Inflections
+# are locale specific, and you may define rules for as many different
+# locales as you wish. All of these examples are active by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.plural /^(ox)$/i, '\1en'
+#   inflect.singular /^(ox)en/i, '\1'
+#   inflect.irregular 'person', 'people'
+#   inflect.uncountable %w( fish sheep )
+# end
+
+# These inflection rules are supported but not enabled by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.acronym 'RESTful'
+# end
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
new file mode 100644
index 0000000..dc18996
--- /dev/null
+++ b/config/initializers/mime_types.rb
@@ -0,0 +1,4 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new mime types for use in respond_to blocks:
+# Mime::Type.register "text/richtext", :rtf
diff --git a/config/initializers/session_store.rb b/config/initializers/session_store.rb
new file mode 100644
index 0000000..9eb85da
--- /dev/null
+++ b/config/initializers/session_store.rb
@@ -0,0 +1,3 @@
+# Be sure to restart your server when you modify this file.
+
+Rails.application.config.session_store :cookie_store, key: '_gauge_session'
diff --git a/config/initializers/wrap_parameters.rb b/config/initializers/wrap_parameters.rb
new file mode 100644
index 0000000..33725e9
--- /dev/null
+++ b/config/initializers/wrap_parameters.rb
@@ -0,0 +1,14 @@
+# Be sure to restart your server when you modify this file.
+
+# This file contains settings for ActionController::ParamsWrapper which
+# is enabled by default.
+
+# Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
+ActiveSupport.on_load(:action_controller) do
+  wrap_parameters format: [:json] if respond_to?(:wrap_parameters)
+end
+
+# To enable root element in JSON for ActiveRecord objects.
+# ActiveSupport.on_load(:active_record) do
+#  self.include_root_in_json = true
+# end
diff --git a/config/locales/en.yml b/config/locales/en.yml
new file mode 100644
index 0000000..69b9fe8
--- /dev/null
+++ b/config/locales/en.yml
@@ -0,0 +1,9 @@
+en:
+  generic:
+    title: OpenFest 2015 Talk Preference Poll
+    submit: Submit
+    store_and_submit_changes: Store your changes locally and submit them if possible
+    help_us_reduce_the_conflicts: "Help us to reduce the conflicts in OpenFest's schedule"
+    click_on_the_talks_you_would_like_to_watch: Click on the talks you likely would like to watch.
+    press_submit: Press submit.
+    filter_events: Filter Events
diff --git a/config/routes.rb b/config/routes.rb
new file mode 100644
index 0000000..b7097bb
--- /dev/null
+++ b/config/routes.rb
@@ -0,0 +1,4 @@
+Rails.application.routes.draw do
+  resources :talk_preferences, only: [:index, :show, :create, :update]
+  root to: 'home#index'
+end
diff --git a/config/secrets.yml b/config/secrets.yml
new file mode 100644
index 0000000..e8e1443
--- /dev/null
+++ b/config/secrets.yml
@@ -0,0 +1,22 @@
+# Be sure to restart your server when you modify this file.
+
+# Your secret key is used for verifying the integrity of signed cookies.
+# If you change this key, all old signed cookies will become invalid!
+
+# Make sure the secret is at least 30 characters and all random,
+# no regular words or you'll be exposed to dictionary attacks.
+# You can use `rake secret` to generate a secure secret key.
+
+# Make sure the secrets in this file are kept private
+# if you're sharing your code publicly.
+
+development:
+  secret_key_base: 57b7cfee10d4ad296d1bb14d41478678e50c83e94c90152e58365639044c161fc220e5a81196399ba7db4834db40a6d2d8b064df1e9b14e1f7d66553aab0754d
+
+test:
+  secret_key_base: db04e8851f8622232428dc24f19e41dfe8191d512693932073c048870f907e502b8397360f3b4e5ae9603b53af8553c09300a6a64e83066756cfaf791eb410a3
+
+# Do not keep production secrets in the repository,
+# instead read values from the environment.
+production:
+  secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>
diff --git a/db/migrate/20151005104151_create_talk_preferences.rb b/db/migrate/20151005104151_create_talk_preferences.rb
new file mode 100644
index 0000000..1778c41
--- /dev/null
+++ b/db/migrate/20151005104151_create_talk_preferences.rb
@@ -0,0 +1,13 @@
+class CreateTalkPreferences < ActiveRecord::Migration
+  def change
+    create_table :talk_preferences, id: false do |t|
+      t.string :unique_id, null: false
+      t.string :ip_address
+      t.text :talks
+
+      t.timestamps null: false
+    end
+
+    add_index :talk_preferences, :unique_id, unique: true
+  end
+end
diff --git a/db/migrate/20151006120338_add_hashed_unique_id_to_talk_preferences.rb b/db/migrate/20151006120338_add_hashed_unique_id_to_talk_preferences.rb
new file mode 100644
index 0000000..7785f3f
--- /dev/null
+++ b/db/migrate/20151006120338_add_hashed_unique_id_to_talk_preferences.rb
@@ -0,0 +1,6 @@
+class AddHashedUniqueIdToTalkPreferences < ActiveRecord::Migration
+  def change
+    add_column :talk_preferences, :hashed_unique_id, :string
+    add_index :talk_preferences, :hashed_unique_id
+  end
+end
diff --git a/db/migrate/20151006121008_populate_hashed_unique_id_in_talk_preferences.rb b/db/migrate/20151006121008_populate_hashed_unique_id_in_talk_preferences.rb
new file mode 100644
index 0000000..bd37328
--- /dev/null
+++ b/db/migrate/20151006121008_populate_hashed_unique_id_in_talk_preferences.rb
@@ -0,0 +1,19 @@
+class TalkPreference < ActiveRecord::Base
+  self.primary_key = :unique_id
+end
+
+class PopulateHashedUniqueIdInTalkPreferences < ActiveRecord::Migration
+  def up
+    TalkPreference.all.each do |talk_preference|
+      talk_preference.hashed_unique_id = Digest::SHA1.hexdigest(talk_preference.unique_id)
+      talk_preference.save!
+    end
+  end
+
+  def down
+    TalkPreference.all.each do |talk_preference|
+      talk_preference.hashed_unique_id = nil
+      talk_preference.save!
+    end
+  end
+end
diff --git a/db/seeds.rb b/db/seeds.rb
new file mode 100644
index 0000000..4edb1e8
--- /dev/null
+++ b/db/seeds.rb
@@ -0,0 +1,7 @@
+# This file should contain all the record creation needed to seed the database with its default values.
+# The data can then be loaded with the rake db:seed (or created alongside the db with db:setup).
+#
+# Examples:
+#
+#   cities = City.create([{ name: 'Chicago' }, { name: 'Copenhagen' }])
+#   Mayor.create(name: 'Emanuel', city: cities.first)
diff --git a/lib/assets/.keep b/lib/assets/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/lib/tasks/.keep b/lib/tasks/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/log/.keep b/log/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/public/404.html b/public/404.html
new file mode 100644
index 0000000..b612547
--- /dev/null
+++ b/public/404.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>The page you were looking for doesn't exist (404)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  body {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body>
+  <!-- This file lives in public/404.html -->
+  <div class="dialog">
+    <div>
+      <h1>The page you were looking for doesn't exist.</h1>
+      <p>You may have mistyped the address or the page may have moved.</p>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>
diff --git a/public/422.html b/public/422.html
new file mode 100644
index 0000000..a21f82b
--- /dev/null
+++ b/public/422.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>The change you wanted was rejected (422)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  body {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body>
+  <!-- This file lives in public/422.html -->
+  <div class="dialog">
+    <div>
+      <h1>The change you wanted was rejected.</h1>
+      <p>Maybe you tried to change something you didn't have access to.</p>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>
diff --git a/public/500.html b/public/500.html
new file mode 100644
index 0000000..061abc5
--- /dev/null
+++ b/public/500.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>We're sorry, but something went wrong (500)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  body {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body>
+  <!-- This file lives in public/500.html -->
+  <div class="dialog">
+    <div>
+      <h1>We're sorry, but something went wrong.</h1>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>
diff --git a/public/favicon.ico b/public/favicon.ico
new file mode 100644
index 0000000..e69de29
diff --git a/public/robots.txt b/public/robots.txt
new file mode 100644
index 0000000..3c9c7c0
--- /dev/null
+++ b/public/robots.txt
@@ -0,0 +1,5 @@
+# See http://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
+#
+# To ban all spiders from the entire site uncomment the next two lines:
+# User-agent: *
+# Disallow: /
diff --git a/vendor/assets/javascripts/.keep b/vendor/assets/javascripts/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/vendor/assets/stylesheets/.keep b/vendor/assets/stylesheets/.keep
new file mode 100644
index 0000000..e69de29