Class: Dianping::Api::Token

Inherits:
Object
  • Object
show all
Defined in:
lib/dianping/api/token.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client) ⇒ Token

Returns a new instance of Token.



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# File 'lib/dianping/api/token.rb', line 8

def initialize(client)
  @client = client
  @token_file = File.join('/tmp', "dianping-api-#{client.app_key}")
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/dianping/api/token.rb', line 6

def client
  @client
end

Instance Method Details

#access_hash ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 13

def access_hash
  @access_hash ||=
    begin
      token = MultiJson.load(File.read(@token_file), symbolize_keys: true)
      token[:access_hash] || (raise 'empty token')
    rescue Errno::ENOENT
      {}
    end
end

#access_token ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 40

def access_token
  access_hash[:access_token]
end

#auth(authcode) ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 29

def auth(authcode)
  save_token(client.auth_token(authcode))
end

#authorized? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dianping/api/token.rb', line 69

def authorized?
  !access_token.nil?
end

#destory ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 73

def destory
  save_token({})
end

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dianping/api/token.rb', line 60

def expired?
  # puts access_hash, authorized?, expires_at, Time.now
  !authorized? || Time.now > expires_at
end

#expires_at ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 56

def expires_at
  updated_at + expires_in rescue nil
end

#expires_in ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 48

def expires_in
  access_hash[:expires_in]
end

#refresh ⇒ Object

Raises:



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# File 'lib/dianping/api/token.rb', line 23

def refresh
  raise Error, 'no refresh_token' unless refresh_token && remain_refresh_count > 1

  save_token(client.refresh_token(@access_hash[:refresh_token]))
end

#refresh_token ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 44

def refresh_token
  access_hash[:refresh_token]
end

#remain_refresh_count ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 65

def remain_refresh_count
  (access_hash[:remain_refresh_count] || 12).to_i
end

#save_token(token) ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 33

def save_token(token)
  token = { updated_at: Time.now.to_s }.merge(token)
  json = MultiJson.dump(access_hash: token )
  File.open(@token_file, 'w') { |f| f.write(json) }
  @access_hash = token
end

#updated_at ⇒ Object 



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# File 'lib/dianping/api/token.rb', line 52

def updated_at
  Time.parse(access_hash[:updated_at])
end