fix: api descript

app/objectstory/rpc/internal/config/config.go

@@ -1,7 +1,19 @@
 package config
 
-import "github.com/zeromicro/go-zero/zrpc"
+import (
+	"github.com/zeromicro/go-zero/zrpc"
+)
 
 type Config struct {
 	zrpc.RpcServerConf
+	S3Conf S3ObjectConf
+}
+
+type S3ObjectConf struct {
+	AccessKey    string
+	SecretKey    string
+	Bucket       string
+	Endpoint     string
+	Region       string
+	UsePathStyle bool
 }

app/objectstory/rpc/internal/logic/getFileUrlLogic.go

@@ -2,10 +2,13 @@ package logic
 
 import (
 	"context"
+	"errors"
+	"time"
 
 	"juwan-backend/app/objectstory/rpc/internal/svc"
 	"juwan-backend/app/objectstory/rpc/pb"
 
+	"github.com/aws/aws-sdk-go-v2/service/s3"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -25,7 +28,26 @@ func NewGetFileUrlLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetFil
 
 // 获取文件访问链接（处理私有文件的鉴权）
 func (l *GetFileUrlLogic) GetFileUrl(in *pb.GetFileUrlReq) (*pb.GetFileUrlResp, error) {
-	// todo: add your logic here and delete this line
+	if in == nil || in.GetFileId() == "" {
+		return nil, errors.New("file id is required")
+	}
 
-	return &pb.GetFileUrlResp{}, nil
+	_, err := l.svcCtx.S3.HeadObject(l.ctx, &s3.HeadObjectInput{
+		Bucket: &l.svcCtx.Config.S3Conf.Bucket,
+		Key:    &in.FileId,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	presignClient := s3.NewPresignClient(l.svcCtx.S3)
+	presigned, err := presignClient.PresignGetObject(l.ctx, &s3.GetObjectInput{
+		Bucket: &l.svcCtx.Config.S3Conf.Bucket,
+		Key:    &in.FileId,
+	}, s3.WithPresignExpires(15*time.Minute))
+	if err != nil {
+		return nil, err
+	}
+
+	return &pb.GetFileUrlResp{Url: presigned.URL}, nil
 }

app/objectstory/rpc/internal/logic/uploadLogic.go

@@ -1,11 +1,19 @@
 package logic
 
 import (
+	"bytes"
 	"context"
+	"errors"
+	"fmt"
+	"path/filepath"
+	"strings"
 
 	"juwan-backend/app/objectstory/rpc/internal/svc"
 	"juwan-backend/app/objectstory/rpc/pb"
 
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/google/uuid"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -25,7 +33,40 @@ func NewUploadLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UploadLogi
 
 // 简单上传（适合小文件，或保存元数据）
 func (l *UploadLogic) Upload(in *pb.UploadFileMetadataReq) (*pb.UploadFileResp, error) {
-	// todo: add your logic here and delete this line
+	if in == nil {
+		return nil, errors.New("invalid request")
+	}
+	if len(in.GetFileData()) == 0 {
+		return nil, errors.New("file data is required")
+	}
+	if in.GetFileName() == "" {
+		return nil, errors.New("file name is required")
+	}
+	if in.GetFileType() == "" {
+		return nil, errors.New("file type is required")
+	}
 
-	return &pb.UploadFileResp{}, nil
+	fileID := uuid.NewString()
+	ext := strings.ToLower(filepath.Ext(in.GetFileName()))
+	if len(ext) > 10 {
+		ext = ""
+	}
+	objectKey := fmt.Sprintf("%s/%s/%s%s", in.GetFileType(), in.GetUserId(), fileID, ext)
+
+	_, err := l.svcCtx.S3.PutObject(l.ctx, &s3.PutObjectInput{
+		Bucket:        &l.svcCtx.Config.S3Conf.Bucket,
+		Key:           &objectKey,
+		Body:          bytes.NewReader(in.GetFileData()),
+		ContentLength: aws.Int64(int64(len(in.GetFileData()))),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	url := strings.TrimRight(l.svcCtx.Config.S3Conf.Endpoint, "/") + "/" + l.svcCtx.Config.S3Conf.Bucket + "/" + objectKey
+
+	return &pb.UploadFileResp{
+		Url:    url,
+		FileId: objectKey,
+	}, nil
 }

app/objectstory/rpc/internal/svc/objectStorage.go

@@ -0,0 +1,42 @@
+package svc
+
+import (
+	"context"
+	"juwan-backend/app/objectstory/rpc/internal/config"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	awsConfig "github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+)
+
+type ObjectStorageSvc struct {
+	c config.S3ObjectConf
+}
+
+func NewObjectStorage(c config.S3ObjectConf) *ObjectStorageSvc {
+	return &ObjectStorageSvc{
+		c: c,
+	}
+}
+
+func (s *ObjectStorageSvc) MustNews3Client(ctx context.Context) *s3.Client {
+	awsCfg, err := awsConfig.LoadDefaultConfig(ctx,
+		awsConfig.WithRegion(s.c.Region),
+		awsConfig.WithCredentialsProvider(
+			credentials.NewStaticCredentialsProvider(
+				s.c.AccessKey,
+				s.c.SecretKey,
+				"",
+			),
+		),
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	return s3.NewFromConfig(awsCfg, func(o *s3.Options) {
+		o.BaseEndpoint = aws.String(s.c.Endpoint)
+		o.UsePathStyle = s.c.UsePathStyle
+	})
+}

app/objectstory/rpc/internal/svc/serviceContext.go

@@ -1,13 +1,22 @@
 package svc
 
-import "juwan-backend/app/objectstory/rpc/internal/config"
+import (
+	"context"
+	"juwan-backend/app/objectstory/rpc/internal/config"
+
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+)
 
 type ServiceContext struct {
 	Config config.Config
+	S3     *s3.Client
 }
 
 func NewServiceContext(c config.Config) *ServiceContext {
+	s3obj := NewObjectStorage(c.S3Conf)
+	
 	return &ServiceContext{
 		Config: c,
+		S3:     s3obj.MustNews3Client(context.Background()),
 	}
 }