Update README.md

* material add BatchGetMaterial

1. fix material golint error

2. BatchGetMaterial use util.DecodeWithError check error

Co-authored-by: hewen <hewen@liao.com>

README.md

@@ -1,3 +1,5 @@
+## 📢 注意： 此分支为v1版本，已不再维护更新，请切换至 [v2](https://github.com/silenceper/wechat/tree/release-2.0)！
+
 # WeChat SDK for Go
 [![Build Status](https://travis-ci.org/silenceper/wechat.svg?branch=master)](https://travis-ci.org/silenceper/wechat)
 [![Go Report Card](https://goreportcard.com/badge/github.com/silenceper/wechat)](https://goreportcard.com/report/github.com/silenceper/wechat)
@@ -530,6 +532,17 @@ type Config struct {
 
 [素材管理API](https://godoc.org/github.com/silenceper/wechat/material#Material)
 
+### 批量获取永久素材
+
+```go
+list, err := wc.GetMaterial().BatchGetMaterial(material.PermanentMaterialTypeNews, 0, 10)
+if err != nil {
+	fmt.Println(err)
+	return
+}
+fmt.Println(list)
+```
+
 ## 小程序开发
 
 获取小程序操作对象

go.mod

@@ -8,12 +8,11 @@ require (
 	github.com/fatih/structs v1.1.0
 	github.com/gin-gonic/gin v1.1.4
 	github.com/golang/protobuf v0.0.0-20161117033126-8ee79997227b // indirect
-	github.com/gomodule/redigo v2.0.1-0.20180627144507-2cd21d9966bf+incompatible
-	github.com/kr/pretty v0.1.0
+	github.com/gomodule/redigo v1.8.1
+	github.com/kr/pretty v0.1.0 // indirect
 	github.com/manucorporat/sse v0.0.0-20160126180136-ee05b128a739 // indirect
 	github.com/mattn/go-isatty v0.0.0-20161123143637-30a891c33c7c // indirect
 	github.com/spf13/cast v1.3.1
-	github.com/stretchr/testify v1.4.0 // indirect
 	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
 	golang.org/x/net v0.0.0-20191125084936-ffdde1057850 // indirect
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect

go.sum

@@ -4,6 +4,7 @@ github.com/bradfitz/gomemcache v0.0.0-20160117192205-fb1f79c6b65a h1:k5TuEkqEYCR
 github.com/bradfitz/gomemcache v0.0.0-20160117192205-fb1f79c6b65a/go.mod h1:PmM6Mmwb0LSuEubjR8N7PtNe1KxZLtOUHtbeikc5h60=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
@@ -11,8 +12,8 @@ github.com/gin-gonic/gin v1.1.4 h1:XLaCFbU39SSGRQrEeP7Z7mM3lvRqC4vE5tEaVdLDdSE=
 github.com/gin-gonic/gin v1.1.4/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y=
 github.com/golang/protobuf v0.0.0-20161117033126-8ee79997227b h1:fE/yi9pibxGEc0gSJuEShcsBXE2d5FW3OudsjE9tKzQ=
 github.com/golang/protobuf v0.0.0-20161117033126-8ee79997227b/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/gomodule/redigo v2.0.1-0.20180627144507-2cd21d9966bf+incompatible h1:QJ4V3LjaRe/6NKoaaj2QzQZcezt5gNXdPv0axxS4VNA=
-github.com/gomodule/redigo v2.0.1-0.20180627144507-2cd21d9966bf+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
+github.com/gomodule/redigo v1.8.1 h1:Abmo0bI7Xf0IhdIPc7HZQzZcShdnmxeoVuDDtIQp8N8=
+github.com/gomodule/redigo v1.8.1/go.mod h1:P9dn9mFrCBvWhGE1wpxx6fgq7BAeLBk+UUUzlpkBYO0=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -28,8 +29,7 @@ github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20191125084936-ffdde1057850 h1:Vq85/r8R9IdcUHmZ0/nQlUg1v15rzvQ2sHdnZAj/x7s=

material/material.go

@@ -10,10 +10,25 @@ import (
 )
 
 const (
-	addNewsURL     = "https://api.weixin.qq.com/cgi-bin/material/add_news"
-	addMaterialURL = "https://api.weixin.qq.com/cgi-bin/material/add_material"
-	delMaterialURL = "https://api.weixin.qq.com/cgi-bin/material/del_material"
-	getMaterialURL = "https://api.weixin.qq.com/cgi-bin/material/get_material"
+	addNewsURL          = "https://api.weixin.qq.com/cgi-bin/material/add_news"
+	addMaterialURL      = "https://api.weixin.qq.com/cgi-bin/material/add_material"
+	delMaterialURL      = "https://api.weixin.qq.com/cgi-bin/material/del_material"
+	getMaterialURL      = "https://api.weixin.qq.com/cgi-bin/material/get_material"
+	batchGetMaterialURL = "https://api.weixin.qq.com/cgi-bin/material/batchget_material"
+)
+
+//PermanentMaterialType 永久素材类型
+type PermanentMaterialType string
+
+const (
+	//PermanentMaterialTypeImage 永久素材图片类型（image）
+	PermanentMaterialTypeImage PermanentMaterialType = "image"
+	//PermanentMaterialTypeVideo 永久素材视频类型（video）
+	PermanentMaterialTypeVideo PermanentMaterialType = "video"
+	//PermanentMaterialTypeVoice 永久素材语音类型 （voice）
+	PermanentMaterialTypeVoice PermanentMaterialType = "voice"
+	//PermanentMaterialTypeNews 永久素材图文类型（news）
+	PermanentMaterialTypeNews PermanentMaterialType = "news"
 )
 
 //Material 素材管理
@@ -55,6 +70,9 @@ func (material *Material) GetNews(id string) ([]*Article, error) {
 	}
 	req.MediaID = id
 	responseBytes, err := util.PostJSON(uri, req)
+	if err != nil {
+		return nil, err
+	}
 
 	var res struct {
 		NewsItem []*Article `json:"news_item"`
@@ -91,6 +109,10 @@ func (material *Material) AddNews(articles []*Article) (mediaID string, err erro
 
 	uri := fmt.Sprintf("%s?access_token=%s", addNewsURL, accessToken)
 	responseBytes, err := util.PostJSON(uri, req)
+	if err != nil {
+		return
+	}
+
 	var res resArticles
 	err = json.Unmarshal(responseBytes, &res)
 	if err != nil {
@@ -112,6 +134,7 @@ type resAddMaterial struct {
 func (material *Material) AddMaterial(mediaType MediaType, filename string) (mediaID string, url string, err error) {
 	if mediaType == MediaTypeVideo {
 		err = errors.New("永久视频素材上传使用 AddVideo 方法")
+		return
 	}
 	var accessToken string
 	accessToken, err = material.GetAccessToken()
@@ -216,3 +239,59 @@ func (material *Material) DeleteMaterial(mediaID string) error {
 
 	return util.DecodeWithCommonError(response, "DeleteMaterial")
 }
+
+//ArticleList 永久素材列表
+type ArticleList struct {
+	TotalCount int64             `json:"total_count"`
+	ItemCount  int64             `json:"item_count"`
+	Item       []ArticleListItem `json:"item"`
+}
+
+//ArticleListItem 用于ArticleList的item节点
+type ArticleListItem struct {
+	MediaID    string             `json:"media_id"`
+	Content    ArticleListContent `json:"content"`
+	Name       string             `json:"name"`
+	URL        string             `json:"url"`
+	UpdateTime int64              `json:"update_time"`
+}
+
+//ArticleListContent 用于ArticleListItem的content节点
+type ArticleListContent struct {
+	NewsItem   []Article `json:"news_item"`
+	UpdateTime int64     `json:"update_time"`
+	CreateTime int64     `json:"create_time"`
+}
+
+//reqBatchGetMaterial BatchGetMaterial请求参数
+type reqBatchGetMaterial struct {
+	Type   PermanentMaterialType `json:"type"`
+	Count  int64                 `json:"count"`
+	Offset int64                 `json:"offset"`
+}
+
+// BatchGetMaterial 批量获取永久素材
+//reference:https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Get_materials_list.html
+func (material *Material) BatchGetMaterial(permanentMaterialType PermanentMaterialType, offset, count int64) (list ArticleList, err error) {
+	var accessToken string
+	accessToken, err = material.GetAccessToken()
+	if err != nil {
+		return
+	}
+	uri := fmt.Sprintf("%s?access_token=%s", batchGetMaterialURL, accessToken)
+
+	req := reqBatchGetMaterial{
+		Type:   permanentMaterialType,
+		Offset: offset,
+		Count:  count,
+	}
+
+	var response []byte
+	response, err = util.PostJSON(uri, req)
+	if err != nil {
+		return
+	}
+
+	err = util.DecodeWithError(response, &list, "BatchGetMaterial")
+	return
+}