github.com/fastwego/offiaccount@v1.0.1/offiaccount.go (about)

     1  // Copyright 2020 FastWeGo
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  /*
    16  微信公众平台开发 SDK
    17  
    18  See: https://developers.weixin.qq.com/doc/offiaccount/Getting_Started/Overview.html
    19  */
    20  package offiaccount
    21  
    22  import (
    23  	"log"
    24  	"os"
    25  
    26  	"github.com/faabiosr/cachego"
    27  	"github.com/faabiosr/cachego/file"
    28  )
    29  
    30  // GetAccessTokenFunc 获取 access_token 方法接口
    31  type GetAccessTokenFunc func(ctx *OffiAccount) (accessToken string, err error)
    32  
    33  // NoticeAccessTokenExpireFunc 通知中控 刷新 access_token
    34  type NoticeAccessTokenExpireFunc func(ctx *OffiAccount) (err error)
    35  
    36  /*
    37  OffiAccount 公众号实例
    38  */
    39  type OffiAccount struct {
    40  	Config      Config
    41  	AccessToken AccessToken
    42  	Client      Client
    43  	Server      Server
    44  	Logger      *log.Logger
    45  }
    46  
    47  /*
    48  AccessToken 管理器 处理缓存 和 刷新 逻辑
    49  */
    50  type AccessToken struct {
    51  	Cache                          cachego.Cache
    52  	GetAccessTokenHandler          GetAccessTokenFunc
    53  	NoticeAccessTokenExpireHandler NoticeAccessTokenExpireFunc
    54  }
    55  
    56  /*
    57  公众号配置
    58  */
    59  type Config struct {
    60  	Appid          string
    61  	Secret         string
    62  	Token          string
    63  	EncodingAESKey string
    64  }
    65  
    66  /*
    67  创建公众号实例
    68  */
    69  func New(config Config) (offiAccount *OffiAccount) {
    70  	instance := OffiAccount{
    71  		Config: config,
    72  		AccessToken: AccessToken{
    73  			Cache:                          file.New(os.TempDir()),
    74  			GetAccessTokenHandler:          GetAccessToken,
    75  			NoticeAccessTokenExpireHandler: NoticeAccessTokenExpire,
    76  		},
    77  	}
    78  
    79  	instance.Client = Client{Ctx: &instance}
    80  	instance.Server = Server{Ctx: &instance}
    81  
    82  	instance.Logger = log.New(os.Stdout, "[fastwego/offiaccount] ", log.LstdFlags|log.Llongfile)
    83  
    84  	return &instance
    85  }