Module: Sinatra::Schema::ParamValidation

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

Instance Method Summary collapse

Instance Method Details

#validate_params!(params, properties) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/sinatra/schema/param_validation.rb', line 4

def validate_params!(params, properties)
  required_properties = properties.map do |k, prop|
    # ignore nested properties for now, we'll cover these next
    k unless prop.is_a?(Hash) || prop.optional
  end.compact

  missing = required_properties.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