Class: Sinatra::Chiro::Validation

Inherits:
Object
  • Object
show all
Defined in:
lib/sinatra/chiro/validate.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(endpoints) ⇒ Validation

Returns a new instance of Validation.



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# File 'lib/sinatra/chiro/validate.rb', line 8

def initialize(endpoints)
  @endpoints = endpoints
end

Instance Attribute Details

#endpoints ⇒ Object (readonly)

Returns the value of attribute endpoints.



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# File 'lib/sinatra/chiro/validate.rb', line 6

def endpoints
  @endpoints
end

Instance Method Details

#validate(params, env) ⇒ Object 



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# File 'lib/sinatra/chiro/validate.rb', line 12

def validate(params, env)
  _, path = env['sinatra.route'].split

  endpoint = endpoints.select { |d| d.path == path }.flatten.first
  return if endpoint.nil?

  all_given = params.dup
  all_given.delete('captures')
  all_given.delete('splat')

  all_params = endpoint.named_params + endpoint.query_params + endpoint.forms

  allowed_params = []
  errors = []

  all_params.each do |parameter|
    unless all_given[parameter.name_display].nil?
      errors << parameter.validate(all_given)
    end
    if !parameter.optional
      errors << "must include a #{parameter.name_display} parameter" if all_given[parameter.name_display].nil?
    end
    allowed_params << parameter.name_display
  end

  all_given.map { |k, _| k.to_s}.each do |param|
    errors << "#{param} is not a valid parameter" if !allowed_params.include?(param)
  end

  if !errors.compact.empty? then
    JSON.dump ({:validation_errors => errors.compact})
  end
end