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