Class: Boutique::Purchase

Inherits:
Object
  • Object
show all
Includes:
DataMapper::Resource
Defined in:
lib/boutique.rb

Instance Method Summary collapse

Constructor Details

#initialize(attr = {}) ⇒ Purchase

Returns a new instance of Purchase.



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# File 'lib/boutique.rb', line 185

def initialize(attr = {})
  attr[:counter] ||= 0
  attr[:secret] ||= random_hash
  super
end

Instance Method Details

#boutique_id ⇒ Object 



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# File 'lib/boutique.rb', line 224

def boutique_id
  (self.id.nil? || self.secret.nil?) ?
    raise('Cannot get boutique_id for unsaved purchase') :
    "#{self.id}-#{self.secret}"
end

#complete(txn_id, email, name) ⇒ Object 



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# File 'lib/boutique.rb', line 191

def complete(txn_id, email, name)
  self.transaction_id = txn_id
  self.email = email
  self.name = name
  self.completed_at = DateTime.now
  link_downloads!
end

#completed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/boutique.rb', line 199

def completed?
  !completed_at.nil? && !transaction_id.nil?
end

#link_downloads! ⇒ Object 



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# File 'lib/boutique.rb', line 212

def link_downloads!
  return if !completed?
  self.downloads = product.files.map do |file|
    linked_file = "/#{Date.today.strftime('%Y%m%d')}-#{random_hash}/#{File.basename(file)}"
    full_dir = File.dirname("#{Boutique.config.download_dir}#{linked_file}")
    `mkdir -p #{full_dir}`
    `ln -s #{file} #{Boutique.config.download_dir}#{linked_file}`
    "#{Boutique.config.download_path}#{linked_file}"
  end
  self.counter += 1
end

#maybe_refresh_downloads! ⇒ Object 



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# File 'lib/boutique.rb', line 203

def maybe_refresh_downloads!
  if self.completed? &&
     (self.downloads.nil? ||
      self.downloads.any? {|d| !File.exist?(d) })
    self.link_downloads!
    self.save
  end
end

#paypal_form(notify_url) ⇒ Object 



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# File 'lib/boutique.rb', line 258

def paypal_form(notify_url)
  values = {
    :business => Boutique.config.pp_email,
    :cmd => '_xclick',
    :item_name => product.name,
    :item_number => product.code,
    :amount => product.price.to_f,
    :currency_code => 'USD',
    :notify_url => "#{notify_url}/#{boutique_id}",
    :return => "#{product.return_url}?b=#{boutique_id}",
    :cert_id => Boutique.config.pem_cert_id
  }
  {'action' => Boutique.config.pp_url,
   'cmd' => '_s-xclick',
   'encrypted' => encrypt(values)}
end

#random_hash ⇒ Object 



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# File 'lib/boutique.rb', line 230

def random_hash
  Digest::SHA1.hexdigest("#{DateTime.now}#{rand}")[0..9]
end

#send_mail ⇒ Object 



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# File 'lib/boutique.rb', line 234

def send_mail
  raise 'Cannot send link to incomplete purchase' if !completed?
  Pony.mail(
    :to => self.email,
    :from => self.product.support_email,
    :subject => "#{self.product.name} Receipt",
    :body => "Thanks for purchasing #{self.product.name}!  " +
             "To download it, follow this link:\n\n" +
             "    #{self.product.return_url}?b=#{boutique_id}\n\n" +
             "Please reply if you have any troubles.\n"
  )
end

#to_json ⇒ Object 



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# File 'lib/boutique.rb', line 247

def to_json
  {
    :id => id,
    :counter => counter,
    :completed => completed?,
    :name => product.name,
    :code => product.code,
    :downloads => downloads
  }.to_json
end