Class: BaiduTranslateApi

Inherits:
Object
  • Object
show all
Defined in:
lib/baidu-translate-api.rb

Constant Summary collapse

VERSION = 
'0.1.0'
SALT_MAXNUM = 
10000000
HTTP_ENDPOINT = 
'http://api.fanyi.baidu.com/api/trans/vip/translate'
HTTPS_ENDPOINT = 
'https://fanyi-api.baidu.com/api/trans/vip/translate'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(appid:, secret_key:, default_from: :auto, default_to: :zh, use_https: true) ⇒ BaiduTranslateApi

Returns a new instance of BaiduTranslateApi.



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# File 'lib/baidu-translate-api.rb', line 15

def initialize(appid:, secret_key:, default_from: :auto, default_to: :zh, use_https: true)
  @appid = appid
  @secret_key = secret_key
  @default_from = default_from
  @default_to = default_to
  @use_https = use_https
end

Instance Attribute Details

#appid ⇒ Object

Returns the value of attribute appid.



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# File 'lib/baidu-translate-api.rb', line 14

def appid
  @appid
end

#default_from ⇒ Object

Returns the value of attribute default_from.



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# File 'lib/baidu-translate-api.rb', line 14

def default_from
  @default_from
end

#default_to ⇒ Object

Returns the value of attribute default_to.



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# File 'lib/baidu-translate-api.rb', line 14

def default_to
  @default_to
end

#secret_key ⇒ Object

Returns the value of attribute secret_key.



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# File 'lib/baidu-translate-api.rb', line 14

def secret_key
  @secret_key
end

#use_https ⇒ Object

Returns the value of attribute use_https.



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# File 'lib/baidu-translate-api.rb', line 14

def use_https
  @use_https
end

Instance Method Details

#endpoint ⇒ Object 



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# File 'lib/baidu-translate-api.rb', line 47

def endpoint
  if self.use_https
    HTTPS_ENDPOINT
  else
    HTTP_ENDPOINT
  end
end

#request(word, from: self.default_from, to: self.default_to) ⇒ Object 



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# File 'lib/baidu-translate-api.rb', line 23

def request(word, from: self.default_from, to: self.default_to)
  if word.bytesize > 6000
    raise AugumentsError.new("word bytesize over 6000, https://api.fanyi.baidu.com/api/trans/product/apidoc")
  end
  salt = rand(SALT_MAXNUM).to_s
  q = word
  sign = Digest::MD5.hexdigest "#{self.appid}#{q}#{salt}#{self.secret_key}"
  params = {
    salt: salt,
    q: q,
    to: to,
    from: from,
    appid: self.appid,
    sign: sign,
  }
  open(endpoint + '?' + URI.encode_www_form(params))
end

#translate(word, from: self.default_from, to: self.default_to) ⇒ Object 



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# File 'lib/baidu-translate-api.rb', line 41

def translate(word, from: self.default_from, to: self.default_to)
  res = request(word, from: from, to: to)
  data = JSON.parse(res.read)
  data['trans_result'].map {|d| d['dst'] }.join("\n")
end