forked from OpenNeo/impress
85 lines
2.7 KiB
Ruby
85 lines
2.7 KiB
Ruby
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class Contribution < ActiveRecord::Base
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POINT_VALUES = {
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'Item' => 3,
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'SwfAsset' => 2,
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'PetType' => 15,
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'PetState' => 10
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}
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attr_accessor :contributed
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belongs_to :user
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scope :recent, order('id DESC')
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cattr_reader :per_page
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@@per_page = 30
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def point_value
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POINT_VALUES[contributed_type]
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end
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CONTRIBUTED_RELATIONSHIPS = {
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'SwfAsset' => 'Item',
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'PetState' => 'PetType'
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}
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CONTRIBUTED_CHILDREN = CONTRIBUTED_RELATIONSHIPS.keys
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CONTRIBUTED_TYPES = CONTRIBUTED_CHILDREN + CONTRIBUTED_RELATIONSHIPS.values
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CONTRIBUTED_BASES = {}
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CONTRIBUTED_TYPES.each do |type|
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base = type == 'SwfAsset' ? SwfAsset.object_assets : type.constantize
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CONTRIBUTED_BASES[type] = base
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end
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def self.preload_contributeds_and_parents(contributions)
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# Initialize the groups we'll be using for quick access
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contributions_by_type = {}
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contributed_by_type = {}
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contributed_by_type_and_id = {}
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needed_ids_by_type = {}
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CONTRIBUTED_TYPES.each do |type|
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contributions_by_type[type] = []
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contributed_by_type[type] = []
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contributed_by_type_and_id[type] = {}
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needed_ids_by_type[type] = []
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end
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# Go through the contributions to sort them for future contributed
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# assignment, and so we can know what immediate contributed items we'll
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# need to look up
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contributions.each do |contribution|
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type = contribution.contributed_type
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contributions_by_type[type] << contribution
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needed_ids_by_type[type] << contribution.contributed_id
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end
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# Load contributed objects without parents, prepare them for easy access
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# for future assignment to contributions and looking up parents
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CONTRIBUTED_CHILDREN.each do |type|
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base = CONTRIBUTED_BASES[type]
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base.find(needed_ids_by_type[type]).each do |contributed|
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contributed_by_type[type] << contributed
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contributed_by_type_and_id[type][contributed.id] = contributed
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end
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end
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# Load both parents of the children we just got, and immediately
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# contributed objects of that class. all_by_ids_or_children properly
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# assigns parents to children, as well
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CONTRIBUTED_RELATIONSHIPS.each do |child_type, type|
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base = CONTRIBUTED_BASES[type]
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ids = needed_ids_by_type[type]
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children = contributed_by_type[child_type]
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base.all_by_ids_or_children(ids, children).each do |contributed|
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contributed_by_type_and_id[type][contributed.id] = contributed
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end
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end
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# Assign contributed objects to contributions
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contributions.each do |contribution|
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type = contribution.contributed_type
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id = contribution.contributed_id
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contribution.contributed = contributed_by_type_and_id[type][id]
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end
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end
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end
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