Module: LivePaper::HttpClient

Included in:
BaseObject
Defined in:
lib/live_paper/http_client.rb

Constant Summary collapse

LP_API_HOST = 
"https://www.livepaperapi.com"
AUTH_URL = 
"#{LP_API_HOST}/auth/token"

Instance Method Summary collapse

Instance Method Details

#check_response(response, allow_codes) ⇒ Object

Raises:



21
22
23
24
25
26
27
 
# File 'lib/live_paper/http_client.rb', line 21

def check_response(response, allow_codes)
  status = response.code.to_i
  raise NotAuthenticatedError.new("Unauthorized") if status == 401
  unless allow_codes.include?(status)
    raise "Request failed with code #{status}"
  end
end

#http_request(url, method) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/live_paper/http_client.rb', line 58

def http_request(url, method)
  uri = URI.parse(url)
  set_http uri

  case method.to_s.upcase
    when 'POST'
      Net::HTTP::Post.new(uri.request_uri)
    when 'GET'
      Net::HTTP::Get.new(uri.request_uri)
    when 'PUT'
      Net::HTTP::Put.new(uri.request_uri)
    when 'DELETE'
      Net::HTTP::Delete.new(uri.request_uri)
    else
      raise "Method '#{method}' not supported."
  end
end

#request_access_token ⇒ Object 



48
49
50
51
52
53
54
55
56
 
# File 'lib/live_paper/http_client.rb', line 48

def request_access_token
  request = http_request(AUTH_URL, 'POST')
  request['Authorization'] = "Basic #{$lpp_basic_auth}"
  request['Content-Type'] = 'application/x-www-form-urlencoded'
  request.body = 'grant_type=client_credentials&scope=all'
  response = @http.request(request)
  parsed = JSON.parse(response.body)
  @access_token = parsed['accessToken']
end

#request_handling_auth(url, method) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/live_paper/http_client.rb', line 29

def request_handling_auth(url, method)
  tries = 0
  begin
    request_access_token unless @access_token
    request = http_request(url, method)
    request['Authorization'] = "Bearer #{@access_token}"
    request['Accept'] = "application/json"
    yield request
  rescue NotAuthenticatedError => e
    tries += 1
    if tries < 3
      @access_token = nil
      retry
    else
      raise e
    end
  end
end

#send_request(request, options = {}) ⇒ Object 



12
13
14
15
16
17
18
19
 
# File 'lib/live_paper/http_client.rb', line 12

def send_request(request, options={})
  request['Content-type'] = options[:content_type] if options[:content_type]
  request.body = options[:body] if options[:body]
  options[:allow_codes] ||= [200,201]
  response = @http.request(request)
  check_response(response, options[:allow_codes])
  response
end