88 lines
2.4 KiB
Ruby
88 lines
2.4 KiB
Ruby
class Item < ActiveRecord::Base
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include ItemsHelper
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belongs_to :user
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has_many :synapses1, :class_name => 'Synapse', :foreign_key => 'node1_id' #, :conditions => {:category => 'Item'}
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has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id' #, :conditions => {:category => 'Item'}
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has_many :items1, :through => :synapses2, :source => :item1
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has_many :items2, :through => :synapses1, :source => :item2
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def synapses
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synapses1 + synapses2
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end
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def relatives
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items1 + items2
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end
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belongs_to :item_category
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def self_as_json
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Jbuilder.encode do |json|
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@itemdata = Hash.new
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@itemdata['$desc'] = self.desc
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@itemdata['$link'] = self.link
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@itemdata['$itemcatname'] = self.item_category.name
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json.data @itemdata
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json.id self.id
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json.name self.name
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end
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end
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#build a json object of everything connected to a specified node
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def map_as_json
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Jbuilder.encode do |json|
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@items = network(self,nil)
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json.array!(@items) do |item|
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json.adjacencies item.synapses2.delete_if{|synapse| not @items.include?(Item.find_by_id(synapse.node1_id))} do |json, synapse|
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json.nodeTo synapse.node1_id
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json.nodeFrom synapse.node2_id
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@synapsedata = Hash.new
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@synapsedata['$desc'] = synapse.desc
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@synapsedata['$category'] = synapse.category
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json.data @synapsedata
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end
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@itemdata = Hash.new
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@itemdata['$desc'] = item.desc
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@itemdata['$link'] = item.link
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@itemdata['$itemcatname'] = item.item_category.name
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json.data @itemdata
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json.id item.id
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json.name item.name
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end
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end
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end
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def all_as_json
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Jbuilder.encode do |json|
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@items = Item.all
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json.array!(@items) do |item|
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json.adjacencies item.synapses2.delete_if{|synapse| not @items.include?(Item.find_by_id(synapse.node1_id))} do |json, synapse|
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json.nodeTo synapse.node1_id
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json.nodeFrom synapse.node2_id
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@synapsedata = Hash.new
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@synapsedata['$desc'] = synapse.desc
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@synapsedata['$category'] = synapse.category
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json.data @synapsedata
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end
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@itemdata = Hash.new
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@itemdata['$desc'] = item.desc
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@itemdata['$link'] = item.link
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@itemdata['$itemcatname'] = item.item_category.name
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json.data @itemdata
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json.id item.id
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json.name item.name
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end
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end
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end
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end
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