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71 lines
2.1 KiB
71 lines
2.1 KiB
package wechatopen
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/dtapps/go-library/utils/gorequest"
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"github.com/dtapps/go-library/utils/gostorage"
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"net/http"
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)
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type CgiBinMaterialGetMaterialResponse struct {
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Errcode int `json:"errcode"`
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Errmsg string `json:"errmsg"`
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}
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type CgiBinMaterialGetMaterialResult struct {
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Result CgiBinMaterialGetMaterialResponse // 结果
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Body []byte // 内容
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Http gorequest.Response // 请求
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}
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func newCgiBinMaterialGetMaterialResult(result CgiBinMaterialGetMaterialResponse, body []byte, http gorequest.Response) *CgiBinMaterialGetMaterialResult {
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return &CgiBinMaterialGetMaterialResult{Result: result, Body: body, Http: http}
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}
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// CgiBinMaterialGetMaterial 获取永久素材
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// https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/Getting_Permanent_Assets.html
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func (c *Client) CgiBinMaterialGetMaterial(ctx context.Context, mediaId string) (*CgiBinMaterialGetMaterialResult, error) {
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// 检查
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err := c.checkComponentIsConfig()
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if err != nil {
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return nil, err
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}
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err = c.checkAuthorizerIsConfig()
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if err != nil {
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return nil, err
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}
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// 参数
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params := gorequest.NewParams()
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params["media_id"] = mediaId // 要获取的素材的media_id
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// 请求
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request, err := c.request(ctx, fmt.Sprintf(apiUrl+"/cgi-bin/material/get_material?access_token=%s", c.GetAuthorizerAccessToken(ctx)), params, http.MethodPost)
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if err != nil {
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return nil, err
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}
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// 定义
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var response CgiBinMaterialGetMaterialResponse
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// 判断内容是否为图片
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err = json.Unmarshal(request.ResponseBody, &response)
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if err != nil {
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// 可能是图片
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return newCgiBinMaterialGetMaterialResult(CgiBinMaterialGetMaterialResponse{}, request.ResponseBody, request), nil
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}
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return newCgiBinMaterialGetMaterialResult(response, request.ResponseBody, request), err
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}
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func (cr *CgiBinMaterialGetMaterialResult) SaveImg(db *gostorage.AliYun, fileName, filePath string) error {
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if cr.Result.Errcode != 0 {
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return errors.New(cr.Result.Errmsg)
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}
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// 上传
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_, err := db.PutObject(bytes.NewReader(cr.Body), filePath, fileName)
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if err != nil {
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return err
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}
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return nil
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}
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