好吧,這裏是我的葡萄酒表添加自定義列紅寶石收集
列 - > ID,名稱
列價格表 - > ID,wine_id,價格
@query = Wine.find(:all)
現在如何將自定義價格列添加到@query哈希值?這可以做到嗎?
這就是我想要的到底是
<% @query.each do |e| %>
<%= e.price %>
<% end %>
編輯:
實際的表結構
葡萄酒有很多存貨
存貨有一個葡萄酒
存貨有一個區
存貨有許多有效性的有效性的有一個庫存
有效性的有一個Markupprofile_id
有效性的有一個Discountprofile_id
這是我遵循的流程
#special offers
@q_array = Array.new
@q = SpecialOffers.find(:all, :conditions => ["client_id = ? AND application_id = ?", @client_id, @app_id])
@q.each do |e|
@q_array << e.availability_id
end
#filter, Special Offers, Client App Id, Zone, Available
@special_offers = Wine.find(:all, :include => [:availabilities, :zones], :conditions => ["availabilities.available = ? AND availabilities.id IN (?) AND availabilities.client_application_id = ? AND zones.id = ?", true, @q_array, @client_app_id, session[:zone_id]], :order => 'wines.name ASC')
#search page = 1, new arrivals = 2, special offers = 3, best sellers = 4, show page = 5
add_markup(@special_offers, 3)
現在我有我想要葡萄酒和我通過add_markup()
def add_markup(collection, unique)
@price_array ||= [] #if null create blank array
collection.each do |e|
e.inventories.each do |f|
if session[:zone_id] == f.zone_id
@availability = Availability.find_by_inventory_id_and_client_application_id(f.id, @client_app_id)
@price = f.price
if @availability
if @availability.discount == true
price = Pricingmodel.find_by_discountprofile_id(@availability.discountprofile_id)
if price
was_price = Pricingmodel.find_by_markupprofile_id(@availability.markupprofile_id)
f.price = ((price.markup.to_f/100) + 1) * @price * 6 #this is the normal price
f.stock = ((was_price.markup.to_f/100) + 1) * @price * 6 #this is the discounted price
else
price = Pricingmodel.find_by_markupprofile_id(@availability.markupprofile_id)
f.price = ((price.markup.to_f/100) + 1) * @price * 6 #this is the normal price
f.stock = ((price.markup.to_f/100) + 1) * @price * 6 #this is the discounted price
end
else
price = Pricingmodel.find_by_markupprofile_id(@availability.markupprofile_id)
f.price = ((price.markup.to_f/100) + 1) * @price * 6 #this is the normal price
f.stock = ((price.markup.to_f/100) + 1) * @price * 6 #this is the discounted price
end
end
end
end
end
end
f.price是好的,其正常的價格運行它們。
的問題是,我想也顯示折扣價某處
我使用了料柱至極是int類型的用於此折扣價(f.stock =((was_price.markup.to_f/100) + 1)* @price * 6)
有沒有什麼辦法可以將「of_type float」列添加到這個集合?讓我們說float類型的discounted_price列?這可以做到嗎?
你能不能用attr_accessor? [使用attr訪問器在Rails](http://stackoverflow.com/questions/2793098/usage-of-attr-accessor-in-rails)或 [爲什麼使用ruby attr訪問器,讀寫器]( http://stackoverflow.com/questions/5046831/why-use-rubys-attr-accessor-attr-reader-and-attr-writer) – 2012-04-18 11:25:39
讓我看看attr accessor – Francois 2012-04-18 11:29:26
它適合你嗎? – 2012-04-21 07:42:44