Class: TxNlp::Base

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

Direct Known Subclasses

Text

Constant Summary collapse

HOST = 
'nlp.tencentcloudapi.com'

Instance Method Summary collapse

Instance Method Details

#encode_parameters ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 42

def encode_parameters
  new_hash = fixed_paramaters
  new_hash['Action'] = @action_type
  new_hash['Text'] = @escape_text
  to_params(new_hash)
end

#fixed_paramaters ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 49

def fixed_paramaters
  { 'Nonce' => '2373', 'Region' => region, 'SecretId' => secret_id, 'Timestamp' => Time.now.to_i.to_s, 'Version' => '2019-04-08' }
end

#full_request_url ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 73

def full_request_url
  url + request_params
end

#indent_result ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 93

def indent_result
  if json['Response']['Error']
    json
  else
    new_content = raw_result.join(',')

    new_content
  end
end

#json ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 81

def json
  JSON.parse(request_object.body)
end

#orginal_parameters ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 35

def orginal_parameters
  new_hash = fixed_paramaters
  new_hash['Action'] = @action_type
  new_hash['Text'] = @encode_text
  to_params(new_hash)
end

#raw_result ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 85

def raw_result
  if json['Response']['Error']
    json
  else
    original_data = json['Response']["SimilarWords"]
  end
end

#region ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 19

def region
  TxNlp.config[:region]
end

#request_object ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 77

def request_object
  HTTParty.get(url + request_params)
end

#request_params ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 69

def request_params
  "/?#{encode_parameters}&Signature=#{signature}"
end

#secret_id ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 27

def secret_id
  TxNlp.config[:secret_id]
end

#secret_key ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 31

def secret_key
  TxNlp.config[:secret_key]
end

#signature ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 62

def signature
  digest = OpenSSL::Digest.new('sha1')
  hmac = OpenSSL::HMAC.digest(digest, secret_key, string_for_sign)
  encrypt = Base64.encode64(hmac).delete("\n")
  encrypt.gsub('+', '%2B') # 处理 + 号
end

#string_for_sign ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 58

def string_for_sign
  "GET#{HOST}/?" + orginal_parameters
end

#to_params(original_hash) ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 53

def to_params(original_hash)
  sorted_by_key = Hash[original_hash.sort]
  sorted_by_key.map { |x| "#{x[0]}=#{x[1]}" }.join('&')
end

#url ⇒ Object 



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# File 'lib/tx_nlp/base.rb', line 23

def url
  "https://#{HOST}"
end