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Contents
# frozen_string_literal: true
module Decidim
module Core
# A very basic resolver for the GraphQL endpoint for listing components
# Used in the keyword that lists some type of a specific component.
# For instance, "proposals" if it is a Proposal:
#
# participatoryProcesses {
# components {
# ... on Proposals {
# proposals(...)
# }
# }
# }
#
# Needs to be extended and add arguments
# Usually something like:
#
# class ProposalListHelper < Decidim::Core::ComponentListBase
# argument :order, ProposalInputSort, "Provides several methods to order the results"
# argument :filter, ProposalInputFilter, "Provides several methods to filter the results"
# end
#
# For an example check
# decidim-proposals/app/types/decidim/proposals/proposals_type.rb
#
class ComponentListBase
include NeedsApiFilterAndOrder
include NeedsApiDefaultOrder
attr_reader :model_class
def initialize(model_class:)
@model_class = model_class
end
def call(component, args, _ctx)
@query = query_scope.where(component: component)
.includes(:component)
add_filter_keys(args[:filter])
order = filter_keys_by_settings(args[:order].to_h, component)
add_order_keys(order)
add_default_order
@query
end
# By default, any model uses the default scope for queries
# Particular implementations may restrict this by adding
# additional constrains
def query_scope
model_class
end
private
def filter_keys_by_settings(kwargs, component)
kwargs.select do |key, _value|
case key
when :vote_count
!component.current_settings.votes_hidden?
else
true
end
end
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems