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impress/app/models/pet_state.rb

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class PetState < ActiveRecord::Base
SwfAssetType = 'biology'
has_many :contributions, :as => :contributed # in case of duplicates being merged
has_many :outfits
has_many :parent_swf_asset_relationships, :foreign_key => 'parent_id',
:conditions => {:swf_asset_type => SwfAssetType}
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has_many :swf_assets, :through => :parent_swf_asset_relationships, :source => :biology_asset
belongs_to :pet_type
alias_method :swf_asset_ids_from_association, :swf_asset_ids
def reassign_children_to!(main_pet_state)
self.contributions.each do |contribution|
contribution.contributed = main_pet_state
contribution.save
end
self.outfits.each do |outfit|
outfit.pet_state = main_pet_state
outfit.save
end
ParentSwfAssetRelationship.where(ParentSwfAssetRelationship.arel_table[:parent_id].eq(self.id)).delete_all
end
def reassign_duplicates!
raise "This may only be applied to pet states that represent many duplicate entries" unless duplicate_ids
pet_states = duplicate_ids.split(',').map do |id|
PetState.find(id.to_i)
end
main_pet_state = pet_states.shift
pet_states.each do |pet_state|
pet_state.reassign_children_to!(main_pet_state)
pet_state.destroy
end
end
def sort_swf_asset_ids!
self.swf_asset_ids = swf_asset_ids.split(',').map(&:to_i).sort.join(',')
end
def swf_asset_ids
self['swf_asset_ids']
end
def swf_asset_ids=(ids)
self['swf_asset_ids'] = ids
end
def self.from_pet_type_and_biology_info(pet_type, info)
swf_asset_ids = []
info.each do |asset_info|
if asset_info
swf_asset_ids << asset_info[:part_id].to_i
end
end
swf_asset_ids_str = swf_asset_ids.sort.join(',')
if pet_type.new_record?
pet_state = self.new :swf_asset_ids => swf_asset_ids_str
else
pet_state = self.find_or_initialize_by_pet_type_id_and_swf_asset_ids(
pet_type.id,
swf_asset_ids_str
)
end
existing_swf_assets = SwfAsset.find_all_by_id(swf_asset_ids)
existing_swf_assets_by_id = {}
existing_swf_assets.each do |swf_asset|
existing_swf_assets_by_id[swf_asset.id] = swf_asset
end
existing_relationships_by_swf_asset_id = {}
unless pet_state.new_record?
pet_state.parent_swf_asset_relationships.each do |relationship|
existing_relationships_by_swf_asset_id[relationship.swf_asset_id] = relationship
end
end
pet_state.pet_type = pet_type # save the second case from having to look it up by ID
relationships = []
info.each do |asset_info|
if asset_info
swf_asset_id = asset_info[:part_id].to_i
swf_asset = existing_swf_assets_by_id[swf_asset_id]
unless swf_asset
swf_asset = SwfAsset.new
swf_asset.id = swf_asset_id
end
swf_asset.origin_biology_data = asset_info
swf_asset.origin_pet_type = pet_type
relationship = existing_relationships_by_swf_asset_id[swf_asset_id]
unless relationship
relationship ||= ParentSwfAssetRelationship.new
relationship.parent_id = pet_state.id
relationship.swf_asset_type = SwfAssetType
relationship.swf_asset_id = swf_asset.id
end
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relationship.biology_asset = swf_asset
relationships << relationship
end
end
pet_state.parent_swf_asset_relationships = relationships
pet_state
end
def self.repair_all!
self.transaction do
self.all.each do |pet_state|
pet_state.sort_swf_asset_ids!
pet_state.save
end
self.
select('pet_states.pet_type_id, pet_states.swf_asset_ids, GROUP_CONCAT(DISTINCT pet_states.id) AS duplicate_ids').
joins('INNER JOIN pet_states ps2 ON pet_states.pet_type_id = ps2.pet_type_id AND pet_states.swf_asset_ids = ps2.swf_asset_ids').
group('pet_states.pet_type_id, pet_states.swf_asset_ids').
having('count(*) > 1').
all.
each do |pet_state|
pet_state.reassign_duplicates!
end
end
end
end