hi,
i''m a newbie working on my first commerical rails project.
i''ve got some
models that i''m stuck with, not sure whether i need to redesign the
schema''s or stick to my earlier design as i can quite get what i want
from the way i''ve implemented my associations.
Basically i want to access the bookings for a room. the room has_many
beds, bed has_many booking_items and a booking_item belongs_to a
booking.
So how can i get the bookings for a bed???
I know i can do a find_by_sql but then i cant use :include and to be
honest this seems simple enough and i''d rather stick to the rails way
so
to speak and use the association proxies etc.
Additionally i want to get the rooms for a booking, but i think that is
the same problem.
I had looked at the nested has many plugin but i managed not to get that
working (below).
Any help would be really appreciated as i think i''m going to add a
Room_Id field to the bookingItem which would mean i could use the
standard rails associations.
rails version: 2.1.1
schema:
"beds"
integer "room_id"
integer "bed_number"
"booking_items"
integer "booking_id"
integer "bed_id"
integer "price"
date "booking_date"
"bookings"
integer "user_id"
integer "amount"
"rooms"
integer "bed_quantity"
integer "floor"
string "room_name"
models:
class Bed < ActiveRecord::Base
belongs_to :room
has_many :booking_items
end
class BookingItem < ActiveRecord::Base
belongs_to :booking
belongs_to :user
belongs_to :bed
end
class Booking < ActiveRecord::Base
has_many :booking_items, :dependent => :destroy
has_many :payments
has_many :beds, :through => :booking_items
has_many :rooms, :through => :beds # THIS IS NOT WORKING
end
class Room < ActiveRecord::Base
has_many :beds
has_many :booking_items, :through => :beds
has_many :bookings, :through => :booking_items, :source =>
:booking_items
# THIS IS NOT WORKING, I TRIED TO USE NESTED HAS MANY HERE.
end
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