Files
quyun/backend/app/http/admin/uploads.go
2025-04-07 15:15:51 +08:00

148 lines
3.1 KiB
Go

package admin
import (
"errors"
"fmt"
"mime/multipart"
"os"
"path/filepath"
"time"
"quyun/app/models"
"quyun/database/schemas/public/model"
"quyun/pkg/utils"
"quyun/providers/ali"
"quyun/providers/app"
"github.com/gofiber/fiber/v3"
log "github.com/sirupsen/logrus"
)
// @provider
type uploads struct {
app *app.Config
ali *ali.Config
}
func (up *uploads) storagePath() string {
return filepath.Join(up.app.StoragePath, "uploads")
}
type UploadChunk struct {
Chunk int `query:"chunk"`
Md5 string `query:"md5"`
}
type UploadFileInfo struct {
Md5 string `json:"md5"`
Filename string `json:"filename"`
Mime string `json:"mime"`
Chunks int `json:"chunks"`
}
// Upload chunks
// @Router /v1/admin/uploads/:md5/chunks/:idx [post]
// @Bind md5 path
// @Bind idx path
// @Bind file file
func (up *uploads) Chunks(ctx fiber.Ctx, md5, idx string, file *multipart.FileHeader) error {
tmpPath := filepath.Join(up.storagePath(), md5, idx)
// if tmpPath not exists, create it
if _, err := os.Stat(tmpPath); os.IsNotExist(err) {
if err := os.MkdirAll(filepath.Dir(tmpPath), os.ModePerm); err != nil {
log.WithError(err).Errorf("create tmpPath failed %s", tmpPath)
return err
}
}
// save file to tmpPath
if err := ctx.SaveFile(file, tmpPath); err != nil {
log.WithError(err).Errorf("save file to tmpPath failed %s", tmpPath)
return err
}
return nil
}
// Complete uploads
// @Router /v1/admin/uploads/:md5/complete [post]
// @Bind md5 path
// @Bind body body
func (up *uploads) Complete(ctx fiber.Ctx, md5 string, body *UploadFileInfo) error {
// merge chunks
path := filepath.Join(up.storagePath(), md5)
defer os.RemoveAll(path)
targetFile := filepath.Join(up.storagePath(), md5, body.Filename)
// if targetFile not exists, create it
tf, err := os.Create(targetFile)
if err != nil {
return err
}
for i := 0; i < body.Chunks; i++ {
tmpPath := filepath.Join(up.storagePath(), md5, fmt.Sprintf("%d", i))
// open chunk file
chunkFile, err := os.Open(tmpPath)
if err != nil {
tf.Close()
return err
}
// copy chunk file to target file
if _, err := tf.ReadFrom(chunkFile); err != nil {
chunkFile.Close()
tf.Close()
return err
}
chunkFile.Close()
}
tf.Close()
// validate md5
ok, err := utils.CompareFileMd5(targetFile, md5)
if err != nil {
return err
}
if !ok {
return errors.New("md5 not match")
}
// save file to target path
targetPath := filepath.Join(up.storagePath(), md5+filepath.Ext(body.Filename))
if err := os.Rename(targetFile, targetPath); err != nil {
return err
}
fState, err := os.Stat(targetPath)
if err != nil {
return err
}
model := &model.Medias{
CreatedAt: time.Now(),
Name: body.Filename,
MimeType: body.Mime,
Size: fState.Size(), // Updated to use fState.Size()
Path: targetPath,
}
// save to db
if err := models.Medias.Create(ctx.Context(), model); err != nil {
return err
}
log.Infof("File %s uploaded successfully", body.Filename)
return nil
}
// Token
// @Router /v1/admin/uploads/token [get]
func (up *uploads) Token(ctx fiber.Ctx) (*ali.PolicyToken, error) {
return up.ali.GetToken("quyun")
}