itd/cmd/itctl/filesystem/read.go

96 lines
2.5 KiB
Go

/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package filesystem
import (
"io"
"io/ioutil"
"os"
"path/filepath"
"github.com/cheggaaa/pb/v3"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.arsenm.dev/itd/api"
)
// readCmd represents the read command
var readCmd = &cobra.Command{
Use: `read <remote path> <local path | "-">`,
Short: "Read a file from InfiniTime",
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 2 {
cmd.Usage()
log.Fatal().Msg("Command read requires two arguments")
}
var tmpFile *os.File
var path string
var err error
if args[1] == "-" {
tmpFile, err = ioutil.TempFile("/tmp", "itctl.*")
if err != nil {
log.Fatal().Err(err).Msg("Error creating temporary file")
}
path = tmpFile.Name()
} else {
path, err = filepath.Abs(args[1])
if err != nil {
log.Fatal().Err(err).Msg("Error making absolute directory")
}
}
client := viper.Get("client").(*api.Client)
progress, err := client.ReadFile(path, args[0])
if err != nil {
log.Fatal().Err(err).Msg("Error reading remote file")
}
// Create progress bar template
barTmpl := `{{counters . }} B {{bar . "|" "-" (cycle .) " " "|"}} {{percent . }} {{rtime . "%s"}}`
// Start full bar at 0 total
bar := pb.ProgressBarTemplate(barTmpl).Start(0)
// Get progress events
for event := range progress {
// Set total bytes in progress bar
bar.SetTotal(int64(event.Total))
// Set amount of bytes sent in progress bar
bar.SetCurrent(int64(event.Sent))
// If transfer finished, break
if event.Done {
bar.Finish()
break
}
}
if args[1] == "-" {
io.Copy(os.Stdout, tmpFile)
os.Stdout.WriteString("\n")
os.Stdout.Sync()
tmpFile.Close()
}
},
}
func init() {
filesystemCmd.AddCommand(readCmd)
}