Module: Sinatra::Schema::ParamValidation

Defined in:
lib/sinatra/schema/param_validation.rb

Instance Method Summary collapse

Instance Method Details

#validate_params!(params, properties) ⇒ Object 



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# File 'lib/sinatra/schema/param_validation.rb', line 4

def validate_params!(params, properties)
  missing = properties.keys.map(&:to_s).sort - params.keys.map(&:to_s).sort
  unless missing.empty?
    raise BadParams.new("Missing expected params: #{missing.join(',')}")
  end

  extra = params.keys.map(&:to_s).sort - properties.keys.map(&:to_s).sort
  unless extra.empty?
    raise BadParams.new("Unexpected params: #{extra.join(',')}")
  end

  properties.each do |id, definition|
    # handle nested params
    if definition.is_a?(Hash)
      validate_params!(params[id], definition)
    else
      unless definition.valid?(params[id])
        raise BadParams.new("Incorrect format for param '#{id}'. Please encode it as #{definition.type}")
      end
    end
  end
end