Class: Kampainer::HttpRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/kampainer/http_request.rb

Overview

Generic Net::HTTP wrapper that logs the request and response.

Defined Under Namespace

Classes: UnexpectedHttpResponse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method, path, headers, logger) ⇒ HttpRequest

Returns a new instance of HttpRequest.



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# File 'lib/kampainer/http_request.rb', line 12

def initialize(method, path, headers, logger)
  @headers = headers
  @logger = logger
  @uri = URI(path)
  @request = Net::HTTP.const_get(method.capitalize).new(uri)
end

Instance Attribute Details

#headers ⇒ Object (readonly)

Returns the value of attribute headers.



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# File 'lib/kampainer/http_request.rb', line 9

def headers
  @headers
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/kampainer/http_request.rb', line 10

def logger
  @logger
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/kampainer/http_request.rb', line 8

def request
  @request
end

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/kampainer/http_request.rb', line 8

def uri
  @uri
end

Instance Method Details

#fail_unless_expected_response(response, *allowed_responses) ⇒ Object 



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# File 'lib/kampainer/http_request.rb', line 67

def fail_unless_expected_response(response, *allowed_responses)
  unless allowed_responses.any? { |allowed| response.is_a?(allowed) }
    logger.error "#{response.inspect}: #{response.body}"
    raise UnexpectedHttpResponse, response
  end
  response
end

#https(uri) ⇒ Object 



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# File 'lib/kampainer/http_request.rb', line 32

def https(uri)
  Net::HTTP.new(uri.host, uri.port).tap do |http|
    http.use_ssl = true
  end
end

#log_request_response(data = nil) ⇒ Object

Log URI, method, data Start timer. Yield URI, method, data. Log response and time taken.



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# File 'lib/kampainer/http_request.rb', line 42

def log_request_response(data = nil)
  logger.info "[#{self.class.name}] request = #{request.method} #{uri}"
  logger.info "[#{self.class.name}] headers = #{headers.inspect}"
  logger.info "[#{self.class.name}] data = #{data}"
  response = nil
  tms = Benchmark.measure do
    response = yield
  end
  logger.info("[#{self.class.name}] response (#{ms(tms)}ms): #{response.inspect} #{response.body}")
  response
end

#ms(tms) ⇒ Object 



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# File 'lib/kampainer/http_request.rb', line 54

def ms(tms)
  (tms.real*1000).round(3)
end

#send(action_name, data) ⇒ Object

Create HTTP request with provided headers. Invoke request over HTTPS. Return response on success or log failure and throw error.



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# File 'lib/kampainer/http_request.rb', line 22

def send(action_name, data)
  headers.each { |k, v| request[k] = v }
  request.body = data
  response = log_request_response(data) do
    https(uri).request(request)
  end
  fail_unless_expected_response response, Net::HTTPSuccess
  response.body
end