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Contents
module GraphitiGql
class Schema
module Fields
class ToOne
def initialize(sideload, sideload_type)
@sideload = sideload
@sideload_type = sideload_type
end
def apply(type)
field = type.field @sideload.name,
@sideload_type,
null: true,
extras: [:lookahead]
_sideload = @sideload
type.define_method(@sideload.name) do |**arguments|
Util.is_readable_sideload!(_sideload)
if _sideload.type == :has_one
id = object.send(_sideload.primary_key)
params = { filter: { _sideload.foreign_key => { eq: id } } }
resource = Schema.registry.get(@sideload.resource.class)[:resource]
return resource.all(params).data[0]
end
lookahead = arguments[:lookahead]
id = object.send(_sideload.foreign_key)
if id.nil?
Loaders::BelongsTo.for(_sideload, {}).load(nil)
else
params = Util.params_from_args(arguments)
if _sideload.type == :polymorphic_belongs_to
id = { id: id, type: object.send(_sideload.grouper.field_name) }
end
selections = lookahead.selections.map(&:name).sort
if selections == [:id] || selections == [:__typename, :id]
params[:simpleid] = true
end
Loaders::BelongsTo.for(_sideload, params).load(id)
end
end
end
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems