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impress/app/controllers/closet_hangers_controller.rb

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1.7 KiB
Ruby

class ClosetHangersController < ApplicationController
before_filter :authorize_user!, :only => [:set_quantity]
def index
@user = User.find params[:user_id]
@closet_hangers = @user.closet_hangers.alphabetical_by_item_name.includes(:item)
end
# Since the user does not care about the idea of a hanger, but rather the
# quantity of an item they own, the user would expect a create form to work
# even after the record already exists, and an update form to work even after
# the record is deleted. So, create and update are aliased, and both find
# the record if it exists or create a new one if it does not.
#
# This is kinda a violation of REST. It's not worth breaking user
# expectations, though, and I can't really think of a genuinely RESTful way
# to pull this off.
def update
@item = Item.find params[:item_id]
@closet_hanger = current_user.closet_hangers.find_or_initialize_by_item_id(@item.id)
@closet_hanger.attributes = params[:closet_hanger]
unless @closet_hanger.quantity == 0 # save the hanger, new record or not
if @closet_hanger.save
flash[:success] = "Success! You own #{@closet_hanger.quantity} #{@item.name.pluralize}."
else
flash[:alert] = "We couldn't save how many of this item you own: #{@closet_hanger.errors.full_messages.to_sentence}"
end
else # delete the hanger since the user doesn't want it
@closet_hanger.destroy
flash[:success] = "Success! You do not own #{@item.name}."
end
redirect_to @item
end
alias_method :create, :update
protected
def authorize_user!
raise AccessDenied unless user_signed_in? && current_user.id == params[:user_id].to_i
end
end