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impress/app/models/outfit.rb

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class Outfit < ActiveRecord::Base
has_many :item_outfit_relationships, :dependent => :destroy
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has_many :worn_item_outfit_relationships, :class_name => 'ItemOutfitRelationship',
:conditions => {:is_worn => true}
has_many :worn_items, :through => :worn_item_outfit_relationships, :source => :item
belongs_to :pet_state
belongs_to :user
validates :name, :presence => true, :uniqueness => {:scope => :user_id}
validates :pet_state, :presence => true
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attr_accessible :name, :pet_state_id, :starred, :worn_and_unworn_item_ids
def as_json(more_options={})
serializable_hash :only => [:id, :name, :pet_state_id, :starred],
:methods => [:color_id, :species_id, :worn_and_unworn_item_ids]
end
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def closet_item_ids
item_outfit_relationships.map(&:item_id)
end
def color_id
pet_state.pet_type.color_id
end
def species_id
pet_state.pet_type.species_id
end
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def to_query
{
:closet => closet_item_ids,
:color => color_id,
:objects => worn_item_ids,
:species => species_id,
:state => pet_state_id
}.to_query
end
def worn_and_unworn_item_ids
{:worn => [], :unworn => []}.tap do |output|
item_outfit_relationships.each do |rel|
key = rel.is_worn? ? :worn : :unworn
output[key] << rel.item_id
end
end
end
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def worn_and_unworn_item_ids=(all_item_ids)
new_rels = []
all_item_ids.each do |key, item_ids|
worn = key == 'worn'
item_ids.each do |item_id|
rel = ItemOutfitRelationship.new
rel.item_id = item_id
rel.is_worn = worn
new_rels << rel
end
end
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self.item_outfit_relationships = new_rels
end
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def worn_item_ids
worn_and_unworn_item_ids[:worn]
end
end