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Versions: 20
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Contents
class Graphiti::Sideload::BelongsTo < Graphiti::Sideload
def type
:belongs_to
end
def load_params(parents, query)
query.hash.tap do |hash|
hash[:filter] ||= {}
hash[:filter].merge!(base_filter(parents))
end
end
def load(parents, query, graph_parent)
if ids_for_parents(parents).empty?
[]
else
super
end
end
def base_filter(parents)
parent_ids = ids_for_parents(parents)
{ primary_key => parent_ids.join(',') }
end
def ids_for_parents(parents)
parent_ids = parents.map(&foreign_key)
parent_ids.compact!
parent_ids.uniq!
parent_ids
end
def infer_foreign_key
if polymorphic_child?
parent.foreign_key
else
model = resource.model
namespace = namespace_for(model)
model_name = model.name.gsub("#{namespace}::", '')
:"#{model_name.underscore}_id"
end
end
private
def child_map(children)
children.index_by(&primary_key)
end
def children_for(parent, map)
map[parent.send(foreign_key)]
end
end
Version data entries
20 entries across 20 versions & 1 rubygems