Class: TwitPic

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

Defined Under Namespace

Classes: APIError

Constant Summary collapse

VERSION = 
'0.3.1'

Instance Method Summary collapse

Constructor Details

#initialize(username, password) ⇒ TwitPic

Returns a new instance of TwitPic.



11
12
13
14
 
# File 'lib/twitpic.rb', line 11

def initialize(username, password)
  @username = username
  @password = password
end

Instance Method Details

#create_body(parts, file_path, boundary) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/twitpic.rb', line 60

def create_body(parts, file_path, boundary)
  parts[:media] = open(file_path, 'rb').read
  body = ''
  [:media, :username, :password, :message].each do |key|
    value = parts[key]
    next unless value
    body << "--#{boundary}\r\n"
    if key == :media
      body << "Content-Disposition: form-data; name=\"#{key}\"; filename=\"#{File.basename(file_path)}\"\r\n"
      body << "Content-Type: #{MIME::Types.type_for(file_path).first.content_type}\r\n"
    else
      body << "Content-Disposition: form-data; name=\"#{key}\"\r\n"
    end
    body << "\r\n"
    body << "#{value}\r\n"
  end
  body << "--#{boundary}--\r\n"
end

#parse_response(xml) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/twitpic.rb', line 46

def parse_response(xml)
  doc = REXML::Document.new(xml)
  error_element = REXML::XPath.match(doc, "/rsp/err").first
  if error_element
    raise APIError, error_element.attribute('code').value + ': ' + error_element.attribute('code').value
  else
    result = {}
    [:statusid, :userid, :mediaid, :mediaurl].each do |key|
      result[key] = REXML::XPath.match(doc, "/rsp/#{key}").first.text rescue nil
    end
    result
  end
end

#post(url, body, boundary) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
 
# File 'lib/twitpic.rb', line 35

def post(url, body, boundary)
  uri = URI.parse(url)
  http = Net::HTTP.new(uri.host, uri.port)
  xml = http.start do |http|
    headers = {"Content-Type" => "multipart/form-data; boundary=" + boundary}
    response = http.post(uri.path, body, headers)
    response.body
  end
  parse_response(xml)
end

#upload(file_path, message = nil, boundary = "----------------------------TwitPic#{rand(1000000000000)}") ⇒ Object 



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/twitpic.rb', line 16

def upload(file_path, message = nil, boundary = "----------------------------TwitPic#{rand(1000000000000)}")
  parts = {
    :username => @username,
    :password => @password
  }
  parts[:message] = message if message && !message.empty?

  body = create_body(parts, file_path, boundary)

  url = 
    if parts[:message]
      'http://twitpic.com/api/uploadAndPost'
    else
      'http://twitpic.com/api/upload'
    end

  post(url, body, boundary)
end