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Contents
module Grape
module Batch
class Validator
class << self
def parse(env, limit)
batch_body = decode_body(env['rack.input'].read)
requests = batch_body['requests']
validate_requests(requests, limit)
requests.each do |request|
validate_request(request)
end
requests
end
private
def decode_body(body)
raise RequestBodyError.new('Request body is blank') unless body.length > 0
begin
batch_body = MultiJson.decode(body)
rescue MultiJson::ParseError
raise RequestBodyError.new('Request body is not valid JSON')
end
raise RequestBodyError.new('Request body is nil') unless batch_body
raise RequestBodyError.new('Request body is not well formatted') unless batch_body.is_a?(Hash)
batch_body
end
def validate_requests(batch_requests, limit)
raise RequestBodyError.new("'requests' object is missing in request body") unless batch_requests
raise RequestBodyError.new("'requests' is not well formatted") unless batch_requests.is_a?(Array)
raise TooManyRequestsError.new('Batch requests limit exceeded') if batch_requests.count > limit
end
def validate_request(request)
raise RequestBodyError.new("'method' is missing in one of request objects") unless request['method']
raise RequestBodyError.new("'method' is invalid in one of request objects") unless request['method'].is_a?(String)
unless %w(GET POST PUT DELETE).include?(request['method'])
raise RequestBodyError.new("'method' is invalid in one of request objects")
end
raise RequestBodyError.new("'path' is missing in one of request objects") unless request['path']
raise RequestBodyError.new("'path' is invalid in one of request objects") unless request['path'].is_a?(String)
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems