func thumbnail(filePath string, resize string) (string, error) {
preFilePath := filePath
filePath = filepath.Join(filepath.Dir(preFilePath), resize, filepath.Base(preFilePath))
if preFilePath != filePath {
m := &sync.Mutex{}
m.Lock()
defer m.Unlock()
fla, _ := util.FileExists(filePath)
if !fla {
newFilePath := filepath.Dir(filePath)
fla, _ := util.DirExists(newFilePath)
if !fla {
err := util.Mkdir(newFilePath)
if err != nil {
return preFilePath, err
}
}
cmdFormat := "convert %s -resize %s %s"
cmd := fmt.Sprintf(cmdFormat, preFilePath, resize, filePath)
list := strings.Split(cmd, " ")
c := exec.Command(list[0], list[1:]...)
err := c.Run()
if err != nil {
return preFilePath, err
}
return filePath, nil
} else {
return filePath, nil
}
}
return preFilePath, nil
}
func writeFileToPath(path string, file multipart.File, watermark string, header *multipart.FileHeader) (caffbox.Response, error) {
if path == "" {
path = util.PathFromTime()
}
physicalPath := util.GetPhysicalPath(path)
err := util.Mkdir(physicalPath)
if err != nil {
return caffbox.Response{ErrCode: caffbox.CODE_DIR_CREATE_FAILED, ErrMsg: caffbox.MSG_DIR_CREATE_FAILED}, err
}
destFilename := header.Filename
if caffbox.Sett.Rename {
destFilename = util.RandomString()
destFilename = destFilename + util.GetFileSuffix(header.Filename)
}
filePhysicalPath := filepath.Join(physicalPath, destFilename)
fla, err := util.FileExists(filePhysicalPath)
if fla && err == nil {
newFilename, err := util.IncreaseFilename(physicalPath, destFilename)
if newFilename == destFilename || err != nil {
return caffbox.Response{ErrCode: caffbox.CODE_FILE_ALREADY_EXISTS, ErrMsg: caffbox.MSG_FILE_ALREADY_EXISTS}, err
} else {
destFilename = newFilename
}
filePhysicalPath = filepath.Join(physicalPath, newFilename)
}
destFile, err := os.OpenFile(filePhysicalPath, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
return caffbox.Response{ErrCode: caffbox.CODE_FILE_OPEN_FAILED, ErrMsg: caffbox.MSG_FILE_OPEN_FAILED}, err
}
defer destFile.Close()
_, err = io.Copy(destFile, file)
if err != nil {
return caffbox.Response{ErrCode: caffbox.CODE_FILE_SAVE_FAILED, ErrMsg: caffbox.MSG_FILE_SAVE_FAILED}, err
}
if watermark == "y" && caffbox.Sett.Watermark != "" {
cmdFormat := "composite -gravity center %s %s %s"
cmd := fmt.Sprintf(cmdFormat, caffbox.Sett.Watermark, filePhysicalPath, filePhysicalPath)
list := strings.Split(cmd, " ")
c := exec.Command(list[0], list[1:]...)
err := c.Run()
if err != nil {
return caffbox.Response{ErrCode: caffbox.CODE_FILE_SAVE_FAILED, ErrMsg: caffbox.MSG_FILE_SAVE_FAILED}, err
}
}
absPath, _ := util.GetAbsPath(physicalPath)
return caffbox.Response{ErrCode: caffbox.CODE_SUCCESS, ErrMsg: caffbox.MSG_SUCCESS, Data: caffbox.CaffFile{Name: destFilename, Path: absPath, OriginalName: header.Filename}}, nil
}