class GraphQL::Api::Resolvers::ModelListQuery

Public Class Methods

new(model) click to toggle source
# File lib/graphql/api/resolvers/model_list_query.rb, line 5
def initialize(model)
  @model = model
  @policy_class = "#{model.name}Policy".safe_constantize
end

Public Instance Methods

call(obj, args, ctx) click to toggle source
# File lib/graphql/api/resolvers/model_list_query.rb, line 10
def call(obj, args, ctx)
  if @model.respond_to?(:graph_where)
    @model.graph_where(args, ctx)
  else
    eager_load = []
    ctx.irep_node.children.each do |child|
      eager_load << child[0] if @model.reflections.find { |name, _| name == child[0] }
    end

    query_args = args.to_h
    query_args.delete('limit')

    q = @model.where(query_args)
    q.eager_load(*eager_load) if eager_load.any?
    results = q.limit(args[:limit] || 30)

    if @policy_class
      results.each do |res|
        policy = @policy_class.new(ctx, res)
        return policy.unauthorized! unless policy.read?
      end
    end
    
    results
  end
end