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多文件上传--后端

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This commit is contained in:
Hiven
2023-08-01 18:13:30 +08:00
parent c75e55a5cf
commit 4a2a7822b7
14 changed files with 644 additions and 4 deletions
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42
server/upload/internal/logic/uploadcallbacklogic.go Normal file
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package logic
import (
"fusenapi/utils/auth"
"fusenapi/utils/basic"
"context"
"fusenapi/server/upload/internal/svc"
"fusenapi/server/upload/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type UploadCallbackLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewUploadCallbackLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UploadCallbackLogic {
return &UploadCallbackLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
// 处理进入前逻辑w,r
// func (l *UploadCallbackLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }
// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *UploadCallbackLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }
func (l *UploadCallbackLogic) UploadCallback(req *types.UploadCallbackReq, userinfo *auth.UserInfo) (resp *basic.Response) {
// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
// userinfo 传入值时, 一定不为null
return resp.SetStatus(basic.CodeOK)
}

226
server/upload/internal/logic/uploadfilesbackendlogic.go Normal file
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package logic
import (
"fusenapi/model/gmodel"
"fusenapi/utils/auth"
"fusenapi/utils/basic"
"io"
"net/http"
"time"
"context"
"fusenapi/server/upload/internal/svc"
"fusenapi/server/upload/internal/types"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/zeromicro/go-zero/core/logx"
"github.com/zeromicro/go-zero/core/mr"
)
type UploadFilesBackendLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
r *http.Request
}
func NewUploadFilesBackendLogic(r *http.Request, svcCtx *svc.ServiceContext) *UploadFilesBackendLogic {
return &UploadFilesBackendLogic{
Logger: logx.WithContext(r.Context()),
ctx: r.Context(),
svcCtx: svcCtx,
r: r,
}
}
// 处理进入前逻辑w,r
// func (l *UploadFilesBackendLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }
// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *UploadFilesBackendLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }
func (l *UploadFilesBackendLogic) UploadFilesBackend(req *types.UploadFilesReq, userinfo *auth.UserInfo) (resp *basic.Response) {
// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
// userinfo 传入值时, 一定不为null
if userinfo.IsOnlooker() {
// 如果是，返回未授权的错误码
return resp.SetStatus(basic.CodeUnAuth)
}
// 定义用户ID和S3键名格式
var userId int64
var guestId int64
// 检查用户是否是游客
if userinfo.IsGuest() {
// 如果是，使用游客ID和游客键名格式
guestId = userinfo.GuestId
} else {
// 否则，使用用户ID和用户键名格式
userId = userinfo.UserId
}
var aa = make([]types.UploadInfo, 2)
aa[0].FileKeys = "202308011632"
aa[1].FileKeys = "202308011633"
req.UploadInfo = aa
var fileLen = len(req.UploadInfo)
if fileLen == 0 {
return resp.SetStatus(basic.CodeFileUploadErr, "file upload err,no files")
}
if req.ApiType == 1 && fileLen > 100 {
return resp.SetStatus(basic.CodeFileUploadErr, "file upload err, files count is beyond the maximum")
}
//设置内存大小
l.r.ParseMultipartForm(32 << 20)
//获取上传的文件组
files := l.r.MultipartForm.File["file"]
// 设置AWS会话的区域
l.svcCtx.AwsSession.Config.Region = aws.String("us-west-1")
// 创建新的S3服务实例
svc := s3.New(l.svcCtx.AwsSession)
// 定义S3请求和当前时间
var s3req *request.Request
var uploadBucket = req.UploadBucket
resourceModel := gmodel.NewFsResourceModel(l.svcCtx.MysqlConn)
result, err := mr.MapReduce(func(source chan<- interface{}) {
for i, info := range req.UploadInfo {
fileType := files[i].Header.Get("Content-Type")
// 打开文件
file, err := files[i].Open()
if err != nil {
logx.Error(err)
}
defer file.Close()
// 读取数据流
ioData, err := io.ReadAll(file)
if err != nil {
logx.Error(err)
}
// 一系列业务逻辑....验证类型,文件大小
var fileKey string = info.FileKeys
source <- uploadData{
FileKey: fileKey,
FileType: fileType,
Metadata: info.Metadata,
FileData: ioData,
ApiType: req.ApiType,
}
}
}, func(item interface{}, writer mr.Writer[interface{}], cancel func(error)) {
var uploadUrl = uploadUrl{}
uploadDataInfo := item.(uploadData)
var resourceId string = uploadDataInfo.FileKey
// 查询数据库
resourceInfo, err := resourceModel.FindOneById(l.ctx, resourceId)
if err == nil && resourceInfo.ResourceId != "" {
uploadUrl.Status = 1
uploadUrl.ResourceId = resourceId
uploadUrl.Url = *resourceInfo.ResourceUrl
uploadUrl.Key = resourceId
} else {
// 创建S3对象存储请求
s3req, _ = svc.PutObjectRequest(
&s3.PutObjectInput{
Bucket: &uploadBucket,
Key: &uploadDataInfo.FileKey,
},
)
// 设置请求体为文件数据
s3req.SetBufferBody(uploadDataInfo.FileData)
// 发送请求
err = s3req.Send()
// 检查是否有错误
if err != nil {
logx.Error(err)
uploadUrl.Status = 0
uploadUrl.Url = ""
uploadUrl.Key = uploadDataInfo.FileKey
} else {
var url = s3req.HTTPRequest.URL.String()
// 打印请求URL
logx.Info(url)
uploadUrl.Status = 1
uploadUrl.Url = url
uploadUrl.Key = uploadDataInfo.FileKey
uploadUrl.ResourceId = resourceId
var version string = "0.0.1"
var nowTime = time.Now()
_, err = resourceModel.CreateOrUpdate(l.ctx, &gmodel.FsResource{
ResourceId: resourceId,
UserId: &userId,
GuestId: &guestId,
ResourceType: &uploadDataInfo.FileType,
ResourceUrl: &url,
Version: &version,
UploadedAt: &nowTime,
Metadata: &uploadDataInfo.Metadata,
ApiType: &uploadDataInfo.ApiType,
})
if err != nil {
logx.Error(err)
}
}
}
// Notice 这个必须加!
writer.Write(uploadUrl)
}, func(pipe <-chan interface{}, writer mr.Writer[interface{}], cancel func(error)) {
var uploadUrlList = make(map[string][]*uploadUrl)
var uploadUrlListFail []*uploadUrl
var uploadUrlListSuccess []*uploadUrl
for p := range pipe {
var uploadUrl = p.(uploadUrl)
if uploadUrl.Status == 1 {
uploadUrlListSuccess = append(uploadUrlListSuccess, &uploadUrl)
} else {
uploadUrlListFail = append(uploadUrlListFail, &uploadUrl)
}
}
// Notice 这个必须加!
uploadUrlList["success"] = uploadUrlListSuccess
uploadUrlList["fail"] = uploadUrlListFail
writer.Write(uploadUrlList)
})
if err != nil {
logx.Error(err)
}
// 返回成功的响应和上传URL
return resp.SetStatus(basic.CodeOK, map[string]interface{}{
"upload_urls": result,
})
}
type uploadData struct {
ApiType int64 `json:"api_type"`
FileType string `json:"file_type"`
FileKey string `json:"file_key"`
Metadata string `json:"metadata"`
FileData []byte `fsfile:"data"`
}
type uploadUrl struct {
Status int64 `json:"status"`
ResourceId string `json:"resource_id"`
Url string `json:"url"`
Key string `json:"key"`
Metadata string `json:"metadata"`
}

45
server/upload/internal/logic/uploadfilesfrontendlogic.go Normal file
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package logic
import (
"fusenapi/utils/auth"
"fusenapi/utils/basic"
"context"
"fusenapi/server/upload/internal/svc"
"fusenapi/server/upload/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type UploadFilesFrontendLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewUploadFilesFrontendLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UploadFilesFrontendLogic {
return &UploadFilesFrontendLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
// 处理进入前逻辑w,r
// func (l *UploadFilesFrontendLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }
// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *UploadFilesFrontendLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }
func (l *UploadFilesFrontendLogic) UploadFilesFrontend(req *types.UploadFilesReq, userinfo *auth.UserInfo) (resp *basic.Response) {
// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
// userinfo 传入值时, 一定不为null
// 检查用户是否是旁观者，旁观者没有文件上传权限
return resp.SetStatus(basic.CodeOK)
}