update

* implemented downloaddir command

* implemented uplimit and downlimit commands

* moved command-related code to transmission lib

.drone.yml

@@ -0,0 +1,50 @@
+---
+kind: pipeline
+type: docker
+name: build-and-push-develop
+
+steps:
+
+  - name: docker build an publish
+    image: docker.struchkov.dev/docker-buildx:latest
+    environment:
+      DOCKER_REGISTRY_TOKEN:
+        from_secret: DOCKER_REGISTRY_TOKEN
+      DOCKER_REGISTRY_USER:
+        from_secret: DOCKER_REGISTRY_USER
+    volumes:
+      - name: dockersock
+        path: /var/run
+    commands:
+      - sleep 30
+      - echo "$DOCKER_REGISTRY_TOKEN" | docker login docker.struchkov.dev --username $DOCKER_REGISTRY_USER --password-stdin
+      - echo "$DOCKER_REGISTRY_TOKEN" | docker login hub.docker.struchkov.dev --username $DOCKER_REGISTRY_USER --password-stdin
+      - docker buildx create --use
+      - docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 -t "docker.struchkov.dev/transmission-telegram:latest" .
+
+trigger:
+  branch:
+    - drone
+
+services:
+  - name: docker
+    # https://hub.docker.com/r/library/docker
+    image: hub.docker.struchkov.dev/docker:27.3.1-dind-alpine3.20
+    privileged: true
+    volumes:
+      - name: dockersock
+        path: /var/run
+
+volumes:
+  - name: dockersock
+    temp: {}
+
+image_pull_secrets:
+  - DOCKER_AUTH
+
+# drone sign --save DockerFiles/transmission-telegram
+---
+kind: signature
+hmac: 5af7a78fc831318a31863c4f713b3c6e10d752e80f2208344a91e503ecc300c6
+
+...

.gitignore

@@ -0,0 +1,65 @@
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+.idea/**/aws.xml
+.idea/**/contentModel.xml
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+.idea/**/gradle.xml
+.idea/**/libraries
+cmake-build-*/
+.idea/**/mongoSettings.xml
+*.iws
+out/
+.idea_modules/
+atlassian-ide-plugin.xml
+.idea/replstate.xml
+.idea/sonarlint/
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+.idea/httpRequests
+.idea/caches/build_file_checksums.ser
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+._*
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

Dockerfile

@@ -1,7 +1,4 @@
-FROM golang:alpine as build
-
-ENV GOOS=linux \
-    GOARCH=amd64
+FROM golang:alpine AS build
 
 RUN apk add --no-cache git
 
@@ -15,12 +12,12 @@ RUN go install -v ./...
 
 RUN go build -o main .
 
-FROM alpine:latest as certs
-RUN apk --update add ca-certificates
+FROM alpine:latest AS certs
+RUN apk --no-cache add ca-certificates
 
 FROM bash:latest
 COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=build /go/bin/transmission-telegram /
+COPY --from=build /go/src/transmission-telegram/main /transmission-telegram
 RUN chmod 777 transmission-telegram
 
 ENTRYPOINT ["/transmission-telegram"]

main.go

@@ -15,7 +15,7 @@ import (
 	"github.com/dustin/go-humanize"
 	"github.com/pyed/tailer"
 	"github.com/pyed/transmission"
-	"gopkg.in/telegram-bot-api.v4"
+	tgbotapi "gopkg.in/telegram-bot-api.v4"
 )
 
 const (
@@ -31,7 +31,7 @@ const (
 	*tail* or *ta*
 	Lists the last n number of torrents, n defaults to 5 if no argument is provided.
 
-	*down* or *dl*
+	*downs* or *dg*
 	Lists torrents with the status of _Downloading_ or in the queue to download.
 
 	*seeding* or *sd*
@@ -55,6 +55,10 @@ const (
 	*trackers* or *tr*
 	Lists all the trackers along with the number of torrents.
 
+	*downloaddir* or *dd*
+	Set download directory to the specified path. Transmission will automatically create a
+	directory in case you provided an inexistent one.
+
 	*add* or *ad*
 	Takes one or many URLs or magnets to add them. You can send a ".torrent" file via Telegram to add it.
 
@@ -85,6 +89,12 @@ const (
 	*stats* or *sa*
 	Shows Transmission's stats.
 
+	*downlimit* or *dl*
+	Set global limit for download speed in kilobytes.
+
+	*uplimit* or *ul*
+	Set global limit for upload speed in kilobytes.
+
 	*speed* or *ss*
 	Shows the upload and download speeds.
 
@@ -332,7 +342,7 @@ func main() {
 		case "tail", "/tail", "ta", "/ta":
 			go tail(update, tokens[1:])
 
-		case "downs", "/downs", "dl", "/dl":
+		case "downs", "/downs", "dg", "/dg":
 			go downs(update)
 
 		case "seeding", "/seeding", "sd", "/sd":
@@ -356,6 +366,9 @@ func main() {
 		case "trackers", "/trackers", "tr", "/tr":
 			go trackers(update)
 
+		case "downloaddir", "dd":
+			go downloaddir(update, tokens[1:])
+
 		case "add", "/add", "ad", "/ad":
 			go add(update, tokens[1:])
 
@@ -380,6 +393,12 @@ func main() {
 		case "stats", "/stats", "sa", "/sa":
 			go stats(update)
 
+		case "downlimit", "dl":
+			go downlimit(update, tokens[1:])
+
+		case "uplimit", "ul":
+			go uplimit(update, tokens[1:])
+
 		case "speed", "/speed", "ss", "/ss":
 			go speed(update)
 
@@ -950,6 +969,34 @@ func trackers(ud tgbotapi.Update) {
 	send(buf.String(), ud.Message.Chat.ID, false)
 }
 
+// downloaddir takes a path and sets it as the download directory
+func downloaddir(ud tgbotapi.Update, tokens []string) {
+	if len(tokens) < 1 {
+		send("Please, specify a path for downloaddir", ud.Message.Chat.ID, false)
+		return
+	}
+
+	downloadDir := tokens[0]
+
+	cmd := transmission.NewSessionSetCommand()
+	cmd.SetDownloadDir(downloadDir)
+
+	out, err := Client.ExecuteCommand(cmd)
+	if err != nil {
+		send("*downloaddir:* "+err.Error(), ud.Message.Chat.ID, false)
+		return
+	}
+	if out.Result != "success" {
+		send("*downloaddir:* "+out.Result, ud.Message.Chat.ID, false)
+		return
+	}
+
+	send(
+		"*downloaddir:* downloaddir has been successfully changed to"+downloadDir,
+		ud.Message.Chat.ID, false,
+	)
+}
+
 // add takes an URL to a .torrent file to add it to transmission
 func add(ud tgbotapi.Update, tokens []string) {
 	if len(tokens) == 0 {
@@ -1316,6 +1363,51 @@ func stats(ud tgbotapi.Update) {
 	send(msg, ud.Message.Chat.ID, true)
 }
 
+// downlimit sets the global downlimit to a provided value in kilobytes
+func downlimit(ud tgbotapi.Update, tokens []string) {
+	speedLimit(ud, tokens, transmission.DownloadLimitType)
+}
+
+// uplimit sets the global uplimit to a provided value in kilobytes
+func uplimit(ud tgbotapi.Update, tokens []string) {
+	speedLimit(ud, tokens, transmission.UploadLimitType)
+}
+
+// speedLimit sets either a donwload or upload limit
+func speedLimit(ud tgbotapi.Update, tokens []string, limitType transmission.SpeedLimitType) {
+	if len(tokens) < 1 {
+		send("Please, specify the limit", ud.Message.Chat.ID, false)
+		return
+	}
+
+	limit, err := strconv.ParseUint(tokens[0], 10, 32)
+	if err != nil {
+		send("Please, specify the limit as number of kilobytes", ud.Message.Chat.ID, false)
+		return
+	}
+
+	speedLimitCmd := transmission.NewSpeedLimitCommand(limitType, uint(limit))
+	if speedLimitCmd == nil {
+		send(fmt.Sprintf("*%s:* internal error", limitType), ud.Message.Chat.ID, false)
+		return
+	}
+
+	out, err := Client.ExecuteCommand(speedLimitCmd)
+	if err != nil {
+		send(fmt.Sprintf("*%s:* %v", limitType, err.Error()), ud.Message.Chat.ID, false)
+		return
+	}
+	if out.Result != "success" {
+		send(fmt.Sprintf("*%s:* %v", limitType, out.Result), ud.Message.Chat.ID, false)
+		return
+	}
+
+	send(
+		fmt.Sprintf("*%s:* limit has been successfully changed to %d KB/s", limitType, limit),
+		ud.Message.Chat.ID, false,
+	)
+}
+
 // speed will echo back the current download and upload speeds
 func speed(ud tgbotapi.Update) {
 	stats, err := Client.GetStats()