Contents

#####################################################
# 获得微信公众号的 access_token (Get wechat public access_token)
# Created by zhangmingxin
# Date: 2018-05-17
# Wechat number: zmx119966
####################################################

class WxApi
  module AccessToken

    ###
    # 获取 access_token
    # 判断access_token_cache，决定是否需要缓存数据
    # @return <string> nil or access_token
    def get_access_token()
      appid = @app_id
      secret = @app_secret
      access_token_cache = @access_token_cache

      unless access_token_cache
        response = HTTParty.get("#{prefix}/cgi-bin/token?grant_type=client_credential&appid=#{appid}&secret=#{secret}").body
        response_body = (JSON.parse response)

        # 抛出异常
        throw response_body['errmsg']  unless response_body['access_token']

        return response_body['access_token']
      end

      _cache_key = "#{appid}_access_token"
      _cached_access_token = $redis.get _cache_key
      if _cached_access_token == nil or _cached_access_token == ''
        response = HTTParty.get("#{prefix}/cgi-bin/token?grant_type=client_credential&appid=#{appid}&secret=#{secret}").body
        response_body = (JSON.parse response)

        # 抛出异常
        throw response_body['errmsg']  unless response_body['access_token']

        _cached_access_token = response_body['access_token']
        $redis.set _cache_key, _cached_access_token, ex: 2.minutes
      end
      _cached_access_token
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
wxapi-1.0.0	lib/wxapi/access_token.rb