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module Neo4j
module MetaModel
class Model < MetaModelBase
property :class_name, type: String
has_one :out, :superclass_model, type: :inherits_from, model_class: 'Neo4j::MetaModel::Model'
has_one :out, :id_property, type: :has_id_property, model_class: 'Neo4j::MetaModel::Property'
has_many :out, :properties, type: :has_property, model_class: 'Neo4j::MetaModel::Property'
has_many :both, :assocs, model_class: 'Neo4j::MetaModel::Model', rel_class: 'Neo4j::MetaModel::HasAssociation'
before_destroy :destroy_properties
def to_param
self.class_name.tableize
end
# def property_ids
# properties(:p).pluck(p: :uuid)
# end
def has_associations
assocs.each_rel.to_a
end
def self.hierarchically
Hash.new.tap do |result|
model_parents = Hash[*all.query_as(:model).optional_match("model-[:inherits_from]->(parent)").pluck(:model, :parent).flatten]
all.query_as(:model).where('NOT(model-[:inherits_from]->())').pluck(:model).each do |model|
result[model] = {}
end
all.query_as(:model).match('p=model-[:inherits_from*1..]->()').pluck('nodes(p)').each do |path|
path.reverse.inject(result) do |sub_result, model|
sub_result[model] ||= {}
sub_result[model]
end
end
end
end
private
def destroy_properties
properties.each(&:destroy)
id_property.try(:destroy)
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems