Module: Lanmao::Utils

Defined in:
lib/lanmao/utils.rb

Class Method Summary collapse

Class Method Details

.api_result(request_params, response) ⇒ Object

api 通用返回数据结构

Parameters:

  • request_params (Object) —

    请求参数

  • response (Object) —

    响应对象

Returns:

  • (Object) 


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# File 'lib/lanmao/utils.rb', line 59

def self.api_result(request_params, response)
  {
    result: 'P', # 默认
    request_params: request_params,
    response: response,
    flow_id: response.nil? ? nil : response.flow_id,
    code: response.nil? ? nil : response.data[:code],
    error_code: response.nil? ? nil : response.data[:errorCode],
    error_msg: response.nil? ? nil : response.data[:errorMessage],
    data: response.nil? ? nil : response.data,
  }
end

.gen_flow_id(time = Time.now.to_i) ⇒ String

通过时间，返回唯一一个24位flow id（支持分布） 同一秒，同一台机器，同一个进程，最多可以产生 16777214 个不一样的订单号

Examples:

JytPay::Utils.gen_flow_id

Parameters:

  • time (Integer) (defaults to: Time.now.to_i) —

    时间（默认是 now）

Returns:

  • (String) 


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# File 'lib/lanmao/utils.rb', line 37

def self.gen_flow_id(time=Time.now.to_i)
  machine_id = Digest::MD5.digest(::Mac.addr).unpack("N")[0]
  process_id = Process.pid % 0xFFFF

  @counter ||= 0
  @counter += 1
  count = (@counter) % 0xFFFFFF

  return [ time, machine_id, process_id, count << 8 ].pack("N NX lXX NX").unpack("H*")[0].force_encoding('UTF-8')
end

.get_uuid(time = Time.now.to_i) ⇒ Object 



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# File 'lib/lanmao/utils.rb', line 16

def self.get_uuid(time=Time.now.to_i)
  machine_id = Digest::MD5.digest(::Mac.addr).unpack("N")[0]
  process_id = Process.pid % 0xFFFF

  @uuid_counter ||= 0
  @uuid_counter += 1
  count = (@uuid_counter) % 0xFFFFFF

  uid = [ time, machine_id, process_id, count << 8 ].pack("N NX lXX NX").unpack("H*")[0].force_encoding('UTF-8')

  return 'uuid' + uid
end

.random_key(size = 16) ⇒ String

随机产生 size 位字符串（大小写，数字组成）

Parameters:

  • size (Int) (defaults to: 16) —

    需要的位数，默认 16 位

Returns:

  • (String) —

    随机字符串



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# File 'lib/lanmao/utils.rb', line 51

def self.random_key(size=16)
  ((0..9).to_a + ('a'..'z').to_a + ('A'..'Z').to_a).sample(size).join()
end

.symbolize_keys(hash) ⇒ Hash

把 hash 中的 key，都转化为 symbol 类型

Parameters:

  • hash (Hash) —

    需要更改的 hash

Returns:

  • (Hash) —

    更改后的 hash



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# File 'lib/lanmao/utils.rb', line 12

def self.symbolize_keys(hash)
  hash.with_indifferent_access
end