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# File 'lib/cerulean.rb', line 68
def endpoint(name, &block)
self.class_variable_set(:@@meta, {}) unless self.class_variable_defined?(:@@meta)
ActionDSL.new(self, name: name, &block)
self.class_exec do
require 'boolean'
def declared()
@declared ||= {}
end
def render_presenter(object, **opts)
if object.is_a?(Array) || object.is_a?(ActiveRecord::Relation)
if opts.any?
object.map { |el| meta[:presenter].new(el).as_json(**opts) }
else
object.map { |el| meta[:presenter].new(el).as_json() }
end
else
if opts.any?
meta[:presenter].new(object).as_json(**opts)
else
meta[:presenter].new(object).as_json()
end
end
end
def present(object, **opts)
render json: render_presenter(object, **opts)
end
def meta
@meta ||= self.class.class_variable_get(:@@meta)[action_name.to_sym]
end
def validate_param_type(val, type)
if val.is_a?(Array)
parsed = val.map { |el| validate_param_type(el, type[0]) }
parsed.all? { |el| !el.nil? } ? parsed : nil
else
if type == String
val
elsif type == Date
Date.parse(val) rescue nil
elsif type == DateTime
DateTime.parse(val) rescue nil
else
Kernel.send(type.to_s, val) rescue nil
end
end
end
before_action do
if meta.has_key?(:form)
p = params
p = p.permit! if params.respond_to?(:permit!)
if meta[:form].has_key?(:key) && meta[:form][:key]
p = params[meta[:form][:key]]
end
p = p.to_hash.deep_symbolize_keys
@form = meta[:form][:klass].new(p)
end
if meta.has_key?(:params)
@declared = {}
errors = {}
meta[:params].each do |param, opts|
if params.has_key?(param.to_s)
p = validate_param_type(params[param.to_s], opts[:type])
if p.nil?
errors[param] ||= []
errors[param] << "#{param.to_s} is not a #{opts[:type].to_s.downcase}"
else
if opts.has_key?(:min) || opts.has_key?(:max)
unless (Float(p) rescue false)
errors[param] ||= []
errors[param] << "must be a number"
end
end
if opts.has_key?(:min)
if p < opts[:min]
errors[param] ||= []
errors[param] << "must be greater than or equal to #{opts[:min]}"
end
end
if opts.has_key?(:max)
if p > opts[:max]
errors[param] ||= []
errors[param] << "must be less than or equal to #{opts[:max]}"
end
end
if opts.has_key?(:values)
unless opts[:values].map { |val| val.to_s }.include?(p.to_s)
errors[param] ||= []
errors[param] << "must be one of #{opts[:values]}"
end
end
end
@declared[param] = p
else
@declared[param] = opts[:default] if opts.has_key?(:default)
if opts[:required]
errors[param] ||= []
errors[param] << "is required"
end
end
end
raise ParamsInvalid.new(errors) if errors.keys.any?
end
end
end
end
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