Added barcode generation

app/models/attendance.rb

@@ -1,3 +1,5 @@
+require 'tempfile'
+
 class Attendance < ActiveRecord::Base
   belongs_to :happening_page
   belongs_to :site_user
@@ -8,12 +10,13 @@ class Attendance < ActiveRecord::Base
 
   validates_presence_of :happening_page_id
   validates_uniqueness_of :site_user_id, :scope => :happening_page_id, :message => "already signed up"
+  validates_uniqueness_of :ticket_code
 
   validate :site_user_valid
   validate :price_code_valid
 
   before_save :update_price
-  after_create :activate_user, :send_signup_confirmation_email
+  after_create :create_ticket_code, :activate_user, :send_signup_confirmation_email
 
   def price_code=(pc)
     @price_code = pc
@@ -69,5 +72,50 @@ def save_presentation(presentation_page)
   def send_signup_confirmation_email
     happening_page.send_signup_confirmation_email(site_user)
   end
+
+  TICKET_SALT = "f00k teH bark0de-hax0rz"
+  def create_ticket_code
+    self.ticket_code = Digest::MD5.hexdigest("#{TICKET_SALT}#{id}")
+    save
+  end
+
+  # Returns a ticket as a Prawn document
+  def ticket
+    u = site_user
+    barcode_file = write_barcode_image
+
+    Prawn::Document.new(:page_size => "A5") do
+      font "#{Prawn::BASEDIR}/data/fonts/DejaVuSans.ttf"
+
+      bounding_box [0,500], :width => 300, :height => 140 do
+        text "Billett til Smidig 2008", :at => [15,115], :size => 20
+        text "Navn", :at => [15,100]
+        text u.name, :at => [65,100]
+        text "E-post", :at => [15,85]
+        text u.email, :at => [65,85]
+
+        text "Firma", :at => [15,70]
+        text u.company, :at => [65,70]
+
+        stroke do
+          line bounds.top_left, bounds.top_right
+          line bounds.top_left, bounds.bottom_left
+          line bounds.bottom_left, bounds.bottom_right
+          line bounds.top_right, bounds.bottom_right
+        end
+
+        image barcode_file, :at => [15,60], :scale => 0.7
+        text u.id.to_s, :at => [15,10], :size => 10
+      end
+    end
+  end
 
+  def write_barcode_image
+    barcode = Barby::Code128B.new(ticket_code)
+    path = "/tmp/barcode-#{id}.png"
+    File.open(path, 'w') do |f|
+      f.write barcode.to_png(:height => 50, :margin => 0)
+    end
+    path
+  end
 end

app/models/attendance_page.rb

@@ -1,3 +1,8 @@
+require 'barby'
+require 'barby/outputter/png_outputter'
+require 'prawn'
+require 'digest/md5'
+
 class AttendancePage < Page
   before_validation_on_create :create_default_content
 
@@ -12,6 +17,15 @@ def create_default_content
     parts << PagePart.new(:name => 'body', :content => read_file('default_attendance_part.html'))
   end
 
+  def find_by_url(url, live = true, clean = false)
+    if url =~ %r{^#{ self.url }(.+)/$}
+      @special_slug = $1
+      self
+    else
+      super
+    end
+  end
+
   def process(request, response)
     @site_user = controller.current_site_user
     @attendance = happening_page.attendance(@site_user)
@@ -24,7 +38,11 @@ def process(request, response)
           super
         end
       else
-        super
+        if @special_slug == 'ticket'
+          controller.send :send_data, @attendance.ticket.render, :type => 'application/pdf', :filename => 'smidig2008-billett.pdf'
+        else
+          super
+        end
       end
     else
       # Nothing allowed here unless we're signed up

app/models/ba_tags.rb

@@ -196,12 +196,10 @@ def ba_input_tag(tag)
     to the happening.
     
     *Usage:* 
-    <pre><code><r:ba:attendance:price [free="free_text"]/></code></pre>
+    <pre><code><r:ba:attendance:price/></code></pre>
   }
   tag "ba:attendance:price" do |tag|
-    price = tag.locals.attendance.actual_price
-    free = tag.attr['free'] || '0'
-    price ? "#{price.currency} #{price.amount}" : free
+    "#{tag.locals.attendance.currency} #{tag.locals.attendance.amount}"
   end
 
   desc %{
@@ -362,7 +360,7 @@ def ba_input_tag(tag)
     tag.expand
   end
 
-  [:name, :company, :email].each do |field|
+  [:name, :company, :email, :telephone].each do |field|
     tag "ba:presenter:#{field}" do |tag|
       tag.locals.site_user.__send__(field)
     end

app/models/default_attendance_part.html

@@ -14,6 +14,10 @@ <h3>You are registered, <r:ba:site_user_name /></h3>
   </p>
 </form>
 
+<p>
+  <a href="<r:page:url/>ticket">Print my ticket</a>
+</p>
+
 Your proposals:
 <ul>
 <r:ba:attendance:presentations:each>

db/migrate/015_add_attendance_ticket_code.rb

@@ -0,0 +1,15 @@
+class AddAttendanceTicketCode < ActiveRecord::Migration
+  def self.up
+    add_column :attendances, :ticket_code, :string
+    attendances = Attendance.find(:all)
+    Attendance.transaction do
+      attendances.each do |attendance|
+        attendance.create_ticket_code
+      end
+    end
+  end
+
+  def self.down
+    remove_column :attendances, :ticket_code
+  end
+end

features/create_program.feature

@@ -10,9 +10,7 @@ Feature: Create Program
     Then I should see "TBA"
 
   Scenario: Two presentations
-    Given an "active" site_user named "John" exists
-    And there is a "Beerfest" happening page with parts
-    And "John" is signed up for "Beerfest"
+    Given "John" is signed up for "Beerfest"
     And there is a simple "Day 1" program for "Beerfest"
     And "John" has a "Cats" presentation in "Beerfest" slot "1"
     And "John" has a "Dogs" presentation in "Beerfest" slot "2"

features/sign_up.feature

@@ -4,19 +4,11 @@ Feature: Sign up
   I want to sign up for a conference
 
   Scenario: New user
-    Given I am logged out
-    And there is a "Beerfest" happening page with parts
-    When I view the "Beerfest" signup page
-    And I fill in personal info for "Johannes"
-    And I press "Sign up"
+    Given "Johannes" is signed up for "Beerfest"
     Then I should see "You are registered, Johannes"
 
   Scenario: Receive confirmation email
-    Given I am logged out
-    And there is a "Beerfest" happening page with parts
-    When I view the "Beerfest" signup page
-    And I fill in personal info for "Johannes"
-    And I press "Sign up"
+    Given "Johannes" is signed up for "Beerfest"
     Then "Johannes" should receive an email with "Hi, Johannes"
 
   Scenario: From email link, good password
@@ -40,23 +32,25 @@ Feature: Sign up
     And the site_user named "Aslak" should be "pending"
 
   Scenario: Existing attendance, logged out, correct password
-    Given an "active" site_user named "Johannes" exists
+    Given "Johannes" is signed up for "Beerfest"
     And I am logged out
-    And there is a "Beerfest" happening page with parts
-    And "Johannes" is signed up for "Beerfest"
     When I view the "Beerfest" signup page
     And I fill in personal info for "Johannes"
     And I press "Sign up"
     Then I should see "The Email address has already been taken"
 
   Scenario: Existing attendance, logged in
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I view the "Beerfest" signup page
     Then I should see "You are registered, Aslak"
 
+  # tags: barcode_reg
+  Scenario: Existing attendance, logged in
+    Given "Aslak" is signed up for "Beerfest"
+    When I view the "Beerfest" signup page
+    And I follow "Print my ticket"
+    Then I should receive a application/pdf representation
+
   Scenario: New site user, bad password confirmation
     Given I am logged out
     And there is a "Beerfest" happening page with parts

features/steps/aggregate_steps.rb

@@ -0,0 +1,7 @@
+Given /"(\w+)" is signed up for "(\w+)"/ do |name, happening|
+  Given %{I am logged out}
+  And %{there is a "#{happening}" happening page with parts}
+  When %{I view the "#{happening}" signup page}
+  And %{I fill in personal info for "#{name}"}
+  And %{I press "Sign up"}
+end

features/steps/attendance.rb

@@ -1,9 +1,3 @@
-Given /"(\w+)" is signed up for "(\w+)"/ do |site_user_name, title|
-  site_user = SiteUser.find_by_name(site_user_name)
-  page = Page.find_by_title(title)
-  attendance = Attendance.create! :site_user => site_user, :happening_page => page
-end
-
 When /I view the "(\w+)" signup page/ do |title|
   happening_page = Page.find_by_title(title)
   visits happening_page.signup_page.url

features/steps/rails_steps.rb

@@ -0,0 +1,3 @@
+Then /I should receive a (.*) representation/ do |mime_type|
+  response.headers['type'].should == mime_type
+end

features/submit_proposal.feature

@@ -4,10 +4,7 @@ Feature: Submit presentation
   I want to submit presentation proposals for a conference
 
   Scenario: Successful presentation submission
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I visit the "Beerfest" my-page
     And I follow "Register new talk"
     And I fill in "How to make Bearnaise" for "Title"
@@ -16,21 +13,15 @@ Feature: Submit presentation
     Then I should see "How to make Bearnaise"
 
   Scenario: Failed presentation submission
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I visit the "Beerfest" my-page
     And I follow "Register new talk"
     And I fill in "How to make Bearnaise" for "Title"
     And I press "Save"
     Then I should see "Body can't be blank"
 
   Scenario: Change existing presentation
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I visit the "Beerfest" my-page
     And I follow "Register new talk"
     And I fill in "How to make Bearnaise" for "Title"
@@ -43,10 +34,7 @@ Feature: Submit presentation
     And I should not see "How to make Bearnaise"
 
   Scenario: Viewing published presentation
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I visit the "Beerfest" my-page
     And I follow "Register new talk"
     And I fill in "How to make Bearnaise" for "Title"
@@ -57,10 +45,7 @@ Feature: Submit presentation
     Then I should see "Best sauce in the world"
 
   Scenario: Add Web 2.0 tags to presentation
-    Given an "active" site_user named "Aslak" exists
-    And I am logged in as "Aslak"
-    And there is a "Beerfest" happening page with parts
-    And "Aslak" is signed up for "Beerfest"
+    Given "Aslak" is signed up for "Beerfest"
     When I visit the "Beerfest" my-page
     And I follow "Register new talk"
     And I fill in "How to make Bearnaise" for "Title"

spec/models/attendance_spec.rb

@@ -80,7 +80,16 @@
 
     lambda do
       Attendance.create! :site_user => @site_user, :happening_page => @happening, :price_code => 'CHEAP'
-    end.should raise_error(ActiveRecord::RecordInvalid, %{Validation failed: Price code no longer available, used by <a href="mailto:oldsite_user@gmail.com">Oldie</a>})
+    end.should raise_error(ActiveRecord::RecordInvalid, %r{Validation failed: Price code no longer available, used by <a href="mailto:oldsite_user@gmail.com">Oldie</a>})
+  end
+
+
+  it "should have a ticket as PDF" do
+    attendance = Attendance.new
+    attendance.site_user = @site_user
+    attendance.happening_page = @happening
+    attendance.save!
+    attendance.ticket.should_not be_nil
   end
 
 end