Class: Wechat::Api::Client

Inherits:
Object
  • Object
show all
Includes:
Message, User, Util
Defined in:
lib/wechat/api/client.rb

Constant Summary collapse

API_BASE = 
'https://api.weixin.qq.com/cgi-bin/'

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#create_qrcode, #create_qrcode_temp

Methods included from User

#user_info

Methods included from Message

#send_template

Constructor Details

#initialize(app_id, secret) ⇒ Client

Returns a new instance of Client.



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# File 'lib/wechat/api/client.rb', line 24

def initialize(app_id, secret)
  @app_id, @secret = app_id, secret
  @logger = Logger.new(STDOUT)
  @token_file = File.join('/tmp', "wechat-api-#{app_id}")
end

Instance Attribute Details

#app_id ⇒ Object (readonly)

Returns the value of attribute app_id.



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# File 'lib/wechat/api/client.rb', line 21

def app_id
  @app_id
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/wechat/api/client.rb', line 22

def logger
  @logger
end

#secret ⇒ Object (readonly)

Returns the value of attribute secret.



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# File 'lib/wechat/api/client.rb', line 21

def secret
  @secret
end

Instance Method Details

#access_token ⇒ Object 



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# File 'lib/wechat/api/client.rb', line 30

def access_token
  @access_token ||= begin
    token = MultiJson.load(File.read(@token_file))
    token['access_token']
  rescue
    refresh
  end
end

#get(uri, params = {}) ⇒ Object 



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# File 'lib/wechat/api/client.rb', line 49

def get(uri, params = {})
  with_access_token(uri, params) do |url, params_with_token|
    debug_request do
      connection.get do |req|
        req.url url, params_with_token
        req.headers[:accept] = 'application/json'
        req.headers[:content_type] = 'application/json'
      end
    end
  end
end

#post(uri, data = {}) ⇒ Object 



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# File 'lib/wechat/api/client.rb', line 61

def post(uri, data = {})
  with_access_token(uri, {}) do |url, params|
    debug_request do
      connection.post do |req|
        req.url url, params
        req.headers[:accept] = 'application/json'
        req.headers[:content_type] = 'application/json'
        req.body = MultiJson.dump(data)
      end
    end
  end
end

#refresh ⇒ Object 



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# File 'lib/wechat/api/client.rb', line 39

def refresh
  url = format('%stoken', API_BASE)
  resp = connection.get(url, token_params)
  response = MultiJson.load(resp.body)
  return handle_error(response) if response['errcode']
  @access_token = response['access_token']
  File.open(@token_file, 'w') { |f| f.write(resp.body) } if token
  @access_token
end

#with_access_token(uri, params, tried = 2) ⇒ Object 



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# File 'lib/wechat/api/client.rb', line 74

def with_access_token(uri, params, tried = 2)
  url = format('%s%s', API_BASE, uri)
  begin
    resp = yield(url, params.merge(access_token: access_token))
    response = MultiJson.load(resp.body)
    handle_error(response)
  rescue AccessTokenExpiredError => e
    refresh
    retry unless (tried -= 1).zero?
    raise e
  end
end