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module GraphitiGql
class Schema
module Fields
class Stats
def initialize(resource)
@resource = resource
end
def apply(type)
type.field :stats, build_stat_class, null: false
type.define_method :stats do
Graphiti.broadcast('before_stats', {})
# Process grouped (to-many relationship) stats
Graphiti.broadcast('after_stats', {}) do
stats = object.proxy.stats.deep_dup
stats.each_pair do |attr, calc|
calc.each_pair do |calc_name, value|
if value.is_a?(Hash)
stats[attr][calc_name] = value[parent.id]
end
end
end
stats
end
end
type
end
private
def build_stat_class
name = Registry.instance.key_for(@resource)
stat_graphql_name = "#{name}Stats"
return Registry.instance[stat_graphql_name][:type] if Registry.instance[stat_graphql_name]
klass = Class.new(Schema.base_object)
klass.graphql_name(stat_graphql_name)
@resource.stats.each_pair do |name, config|
calc_class = build_calc_class(stat_graphql_name, name, config.calculations.keys)
klass.field name, calc_class, null: false
end
Registry.instance[stat_graphql_name] = { type: klass }
klass
end
def build_calc_class(stat_graphql_name, stat_name, calculations)
name = "#{stat_graphql_name}#{stat_name}Calculations"
klass = Class.new(Schema.base_object)
klass.graphql_name(name)
calculations.each do |calc|
klass.field calc, Float, null: false
end
klass
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems