Class: EricWeixin::AccessToken

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/eric_weixin/access_token.rb

Class Method Summary collapse

Class Method Details

.get_new_token(public_account_id) ⇒ Object

根据微信公众号从微信服务器获取最新的 AccessToken.

参数说明

  • public_account_id #公众账号 ID

调用示例

::EricWeixin::AccessToken.get_new_token ‘5e3b98ca0000959946657212739fd535’ api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=12&secret=23



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# File 'app/models/eric_weixin/access_token.rb', line 56

def self.get_new_token 
   = ::EricWeixin::PublicAccount.find_by_id 
  BusinessException.raise 'account 不存在' if .blank?
  url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=#{.weixin_app_id}&secret=#{.weixin_secret_key}"
  response = RestClient.get url
  pp response
  JSON.parse(response)["access_token"]
end

.get_valid_access_token(options) ⇒ Object

获取 AccessToken 方法二。根据微信公众号 PublicAccount.id 获取 AccessToken. 若微信公众号未存在 AccessToken 或者 AccessToken 过期都立即获取新的并返回。

参数说明

  • public_account_id #公众账号 ID

调用示例

::EricWeixin::AccessToken.get_valid_access_token public_account_id: 1



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# File 'app/models/eric_weixin/access_token.rb', line 29

def self.get_valid_access_token options
  ::EricWeixin::AccessToken.transaction do
    access_token = ::EricWeixin::AccessToken. options[:public_account_id]
    if access_token.blank?
       = ::EricWeixin::PublicAccount.find_by_id options[:public_account_id]
      access_token = ::EricWeixin::AccessToken.new :access_token => get_new_token(options[:public_account_id]),
                                                   :expired_at => Time.now.to_i + 2*60*60,
                                                   :public_account_id => .id
      access_token.save!
    end

    if Time.now.to_i > (access_token.expired_at.to_i - 30)
      access_token.access_token = get_new_token(options[:public_account_id])
      access_token.expired_at = Time.now.to_i + 2*60*60
      access_token.save!
    end
    access_token.reload
    access_token.access_token
  end
end

.get_valid_access_token_by_app_id(options) ⇒ Object

获取 AccessToken 方法一。根据 APPID 查到微信公众号 PublicAccount.id ，然后 调用 ::EricWeixin::AccessToken.get_valid_access_token 获取 AccessToken 并作为返回值返回.

参数说明

  • app_id #微信公众号的 app_id

调用示例

::EricWeixin::AccessToken.get_valid_access_token_by_app_id app_id: 'wx51729870d9012531'



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# File 'app/models/eric_weixin/access_token.rb', line 18

def self.get_valid_access_token_by_app_id options
  pa = ::EricWeixin::PublicAccount.find_by_weixin_app_id options[:app_id]
  ::EricWeixin::AccessToken.get_valid_access_token public_account_id: pa.id
end