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# frozen_string_literal: true
module API
module Validations
module Validators
class CheckAssigneesCount < Grape::Validations::Validators::Base
def self.coerce
->(value) do
case value
when String, Array
Array.wrap(value)
else
[]
end
end
end
def validate_param!(attr_name, params)
return if param_allowed?(attr_name, params)
raise Grape::Exceptions::Validation.new(
params: [@scope.full_name(attr_name)],
message: "allows one value, but found #{params[attr_name].size}: #{params[attr_name].join(", ")}"
)
end
private
def param_allowed?(attr_name, params)
params[attr_name].size <= 1
end
end
end
end
end
API::Validations::Validators::CheckAssigneesCount.prepend_mod_with('API::Validations::Validators::CheckAssigneesCount')
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