57 lines
1.4 KiB
Ruby
57 lines
1.4 KiB
Ruby
##
|
|
# This model will represent a beverage produced by a Brewery.
|
|
#
|
|
class Beer < ActiveRecord::Base
|
|
belongs_to :brewery
|
|
has_one :page, :foreign_key => 'owner_id', :dependent => :destroy,
|
|
:conditions => "pages.owner_type = 'Beer'"
|
|
before_save :ensure_page_valid
|
|
after_save :save_page
|
|
|
|
##
|
|
# Returns a list of attributes for the Page partial.
|
|
#
|
|
def page_attributes
|
|
pattr = []
|
|
unless brewery.nil?
|
|
pattr << "Brewery: #{brewery.title}"
|
|
end
|
|
pattr << "ABV: #{"%.1f" % abv}%" unless abv.to_s.empty?
|
|
unless original_gravity.to_s.empty?
|
|
pattr << "Original Gravity: #{original_gravity}"
|
|
end
|
|
unless final_gravity.to_s.empty?
|
|
pattr << "Final Gravity: #{final_gravity}"
|
|
end
|
|
pattr
|
|
end
|
|
|
|
protected
|
|
|
|
##
|
|
# This model always has a Page associated. Save it before this model to make
|
|
# sure that everything is kosher with the name and whatnot.
|
|
#
|
|
def save_page
|
|
page.save
|
|
end
|
|
|
|
##
|
|
# This will let the Page model keep track of names being unique and all.
|
|
# Might be nil, so let the after_save hook create it.
|
|
#
|
|
def ensure_page_valid
|
|
if page.nil?
|
|
self.errors.add(:page, "is missing")
|
|
else
|
|
page.owner = self
|
|
page.title = self.title
|
|
page.errors.each do |key, val|
|
|
self.errors.add(key, val)
|
|
end if !page.valid?
|
|
end
|
|
return false if self.errors.size > 0
|
|
true
|
|
end
|
|
end
|