implements handful of commands

This commit is contained in:
pyed 2016-06-21 18:42:30 +03:00
parent 7e026573b6
commit 28bb122303

View File

@ -5,11 +5,14 @@ import (
"flag"
"fmt"
"os"
"regexp"
"strconv"
"strings"
"unicode/utf8"
"gopkg.in/telegram-bot-api.v4"
"github.com/pivotal-golang/bytefmt"
"github.com/pyed/transmission"
)
@ -24,7 +27,7 @@ var (
Password string
// transmission
Client *transmission.Client
Client transmission.TransmissionClient
// telegram
Bot *tgbotapi.BotAPI
@ -65,28 +68,28 @@ func init() {
// init transmission
func init() {
// set transmission.Config, needed to establish a connection with transmission
conf := transmission.Config{
Address: RpcUrl,
User: Username,
Password: Password,
}
// conf := transmission.Config{
// Address: RpcUrl,
// User: Username,
// Password: Password,
// }
// transmission.New() never returns an error, we will ignore it and test with client.Session.Update()
Client, _ = transmission.New(conf)
if err := Client.Session.Update(); err != nil {
Client = transmission.New(RpcUrl, Username, Password)
// if err := Client.Session.Update(); err != nil {
// try to predict the error message, as it vague coming from pyed/transmission
if strings.HasPrefix(err.Error(), "invalid character") { // means the user or the pass is wrong.
fmt.Fprintf(os.Stderr, "Transmission's Username or Password is wrong.\n\n")
// if strings.HasPrefix(err.Error(), "invalid character") { // means the user or the pass is wrong.
// fmt.Fprintf(os.Stderr, "Transmission's Username or Password is wrong.\n\n")
} else { // any other error is probaby because of the URL
fmt.Fprintf(os.Stderr, "Error: Couldn't connect to: %s\n", RpcUrl)
fmt.Fprintf(os.Stderr, "Make sure to pass the right full RPC URL e.g. http://localhost:9091/transmission/rpc\n\n")
}
// send the vague error message too
fmt.Fprintf(os.Stderr, "JSONError: %s\n", err)
os.Exit(1)
}
// } else { // any other error is probaby because of the URL
// fmt.Fprintf(os.Stderr, "Error: Couldn't connect to: %s\n", RpcUrl)
// fmt.Fprintf(os.Stderr, "Make sure to pass the right full RPC URL e.g. http://localhost:9091/transmission/rpc\n\n")
// }
// // send the vague error message too
// fmt.Fprintf(os.Stderr, "JSONError: %s\n", err)
// os.Exit(1)
// }
}
// init telegram
@ -129,32 +132,53 @@ func main() {
switch command {
case "list", "/list":
// list torrents
// TODO take argument as tracker and list those only
go list(&update)
case "downs", "/downs":
// list downloading
go downs(&update)
case "active", "/active":
// list active torrents
go active(&update)
case "errors", "/errors":
// list torrents with errors
go errors(&update)
case "trackers", "/trackers":
// list trackers
go trackers(&update)
case "add", "/add":
// takes url to a torrent to add it
case "search", "/search":
// search for a torrent
go search(&update, tokens[1:])
case "latest", "/latest":
// get the latest torrents
go latest(&update, tokens[1:])
case "info", "/info":
// gets info on specific torrent
case "stop", "/stop":
// stop one torrent or more
go stop(&update, tokens[1:])
case "stopall", "/stopall":
// stops all the torrents
go stopall(&update)
case "start", "/start":
// starts one torrent or more
go start(&update, tokens[1:])
case "startall", "/startall":
// starts all the torrents
go startall(&update)
case "stats", "/stats":
// print transmission stats
case "speed", "/speed":
@ -195,6 +219,283 @@ func list(ud *tgbotapi.Update) {
send(buf.String(), ud.Message.Chat.ID)
}
// downs will send the names of torrents with status: Downloading
func downs(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("downs: "+err.Error(), ud.Message.Chat.ID)
return
}
buf := new(bytes.Buffer)
for i := range torrents {
// Downloading or in queue to download
if torrents[i].Status == 4 ||
torrents[i].Status == 3 {
buf.WriteString(fmt.Sprintf("<%d> %s\n", torrents[i].ID, torrents[i].Name))
}
}
if buf.Len() == 0 {
send("No downloads", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
// active will send torrents that are actively uploading
func active(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("active: "+err.Error(), ud.Message.Chat.ID)
return
}
buf := new(bytes.Buffer)
for i := range torrents {
if torrents[i].RateUpload > 0 {
buf.WriteString(fmt.Sprintf("<%d> %s\n\t⬆ %s\n",
torrents[i].ID, torrents[i].Name, bytefmt.ByteSize(uint64(torrents[i].RateUpload))))
}
}
if buf.Len() == 0 {
send("No active torrents", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
// errors will send torrents with errors
func errors(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("errors: "+err.Error(), ud.Message.Chat.ID)
return
}
buf := new(bytes.Buffer)
for i := range torrents {
if torrents[i].Error != 0 {
buf.WriteString(fmt.Sprintf("<%d> %s\n%s\n",
torrents[i].ID, torrents[i].Name, torrents[i].ErrorString))
}
}
if buf.Len() == 0 {
send("No errors", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
var trackerRegex = regexp.MustCompile(`https?://([^:/]*)`)
// trackers will send a list of trackers and how many torrents each one has
func trackers(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("trackers: "+err.Error(), ud.Message.Chat.ID)
return
}
trackers := make(map[string]int)
for i := range torrents {
for _, tracker := range torrents[i].Trackers {
sm := trackerRegex.FindSubmatch([]byte(tracker.Announce))
if len(sm) > 1 {
currentTracker := string(sm[1])
n, ok := trackers[currentTracker]
if !ok {
trackers[currentTracker] = 1
continue
}
trackers[currentTracker] = n + 1
}
}
}
buf := new(bytes.Buffer)
for k, v := range trackers {
buf.WriteString(fmt.Sprintf("%d - %s\n", v, k))
}
if buf.Len() == 0 {
send("No trackers!", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
// add
// search takes a query and returns torrents with match
func search(ud *tgbotapi.Update, tokens []string) {
// make sure that we got a query
if len(tokens) == 0 {
send("search: needs an argument", ud.Message.Chat.ID)
return
}
query := strings.Join(tokens, " ")
// "(?i)" for case insensitivity
regx, err := regexp.Compile("(?i)" + query)
if err != nil {
send("search: "+err.Error(), ud.Message.Chat.ID)
return
}
torrents, err := Client.GetTorrents()
if err != nil {
send("search: "+err.Error(), ud.Message.Chat.ID)
return
}
buf := new(bytes.Buffer)
for i := range torrents {
if regx.MatchString(torrents[i].Name) {
buf.WriteString(fmt.Sprintf("<%d> %s\n", torrents[i].ID, torrents[i].Name))
}
}
if buf.Len() == 0 {
send("No matches!", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
// latest takes n and returns the latest n torrents
func latest(ud *tgbotapi.Update, tokens []string) {
var (
n = 5 // default to 5
err error
)
if len(tokens) > 0 {
n, err = strconv.Atoi(tokens[0])
if err != nil {
send("latest: argument must be a number", ud.Message.Chat.ID)
return
}
}
torrents, err := Client.GetTorrents()
if err != nil {
send("latest: "+err.Error(), ud.Message.Chat.ID)
return
}
// make sure that we stay in the boundaries
torrentsLen := len(torrents)
if n <= 0 || n > torrentsLen {
n = torrentsLen
}
// sort by addedDate, and set reverse to true to get the latest first
torrents.SortByAddedDate(true)
buf := new(bytes.Buffer)
for i := range torrents[:n] {
buf.WriteString(fmt.Sprintf("<%d> %s\n", torrents[i].ID, torrents[i].Name))
}
if buf.Len() == 0 {
send("No torrents", ud.Message.Chat.ID)
return
}
send(buf.String(), ud.Message.Chat.ID)
}
// stop takes one or more torrent's ids and stop them
func stop(ud *tgbotapi.Update, tokens []string) {
// make sure that we got at least one argument
if len(tokens) == 0 {
send("stop: needs an argument", ud.Message.Chat.ID)
return
}
for _, id := range tokens {
num, err := strconv.Atoi(id)
if err != nil {
send(fmt.Sprintf("stop: %s is not a number", id), ud.Message.Chat.ID)
continue
}
status, err := Client.StopTorrent(num)
if err != nil {
send("stop: "+err.Error(), ud.Message.Chat.ID)
continue
}
torrent, err := Client.GetTorrent(num)
if err != nil {
send(fmt.Sprintf("[fail] stop: No torrent with an ID of %d", num), ud.Message.Chat.ID)
return
}
send(fmt.Sprintf("[%s] stop: %s", status, torrent.Name), ud.Message.Chat.ID)
}
}
// stopall will stop all the torrents
func stopall(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("stopall: "+err.Error(), ud.Message.Chat.ID)
return
}
for i := range torrents {
if status, err := Client.StopTorrent(torrents[i].ID); err != nil {
send(fmt.Sprintf("[%s] stopall: error stopping %s : %s", status, torrents[i].Name, err.Error()), ud.Message.Chat.ID)
}
}
// this will get sent no matter what.
send("stopall: success", ud.Message.Chat.ID)
}
// start takes an id of a torrent and starts it
func start(ud *tgbotapi.Update, tokens []string) {
// make sure that we got at least one argument
if len(tokens) == 0 {
send("start: needs an argument", ud.Message.Chat.ID)
return
}
for _, id := range tokens {
num, err := strconv.Atoi(id)
if err != nil {
send(fmt.Sprintf("start: %s is not a number", id), ud.Message.Chat.ID)
continue
}
status, err := Client.StartTorrent(num)
if err != nil {
send("stop: "+err.Error(), ud.Message.Chat.ID)
continue
}
torrent, err := Client.GetTorrent(num)
if err != nil {
send(fmt.Sprintf("[fail] start: No torrent with an ID of %d", num), ud.Message.Chat.ID)
return
}
send(fmt.Sprintf("[%s] start: %s", status, torrent.Name), ud.Message.Chat.ID)
}
}
// startall will start all the torrents
func startall(ud *tgbotapi.Update) {
torrents, err := Client.GetTorrents()
if err != nil {
send("startall: "+err.Error(), ud.Message.Chat.ID)
return
}
for i := range torrents {
if status, err := Client.StartTorrent(torrents[i].ID); err != nil {
send(fmt.Sprintf("[%s] startall: error starting %s : %s", status, torrents[i].Name, err.Error()), ud.Message.Chat.ID)
}
}
// this will get sent no matter what.
send("startall: success", ud.Message.Chat.ID)
}
// send takes a chat id and a message to send.
func send(text string, chatID int64) {
// set typing action
@ -207,6 +508,7 @@ func send(text string, chatID int64) {
LenCheck:
if msgRuneCount > 4096 {
msg := tgbotapi.NewMessage(chatID, text[:4095])
msg.DisableWebPagePreview = true
// send current chunk
if _, err := Bot.Send(msg); err != nil {
@ -220,6 +522,7 @@ LenCheck:
// if msgRuneCount < 4096, send it normally
msg := tgbotapi.NewMessage(chatID, text)
msg.DisableWebPagePreview = true
if _, err := Bot.Send(msg); err != nil {
fmt.Fprint(os.Stderr, "send error: %s\n", err)
}