Support Send with New Sticker.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

README.md

@@ -15,7 +15,7 @@
 * [ ] Send with New Location.
 * [ ] Send with New Venue.
 * [ ] Send with New Video.
-* [ ] Send with New Sticker.
+* [x] Send with New Sticker.
 
 ## Build
 
@@ -60,6 +60,7 @@ docker run --rm \
   -e PLUGIN_MESSAGE=test \
   -e PLUGIN_PHOTO=tests/github.png \
   -e PLUGIN_DOCUMENT=tests/gophercolor.png \
+  -e PLUGIN_STICKER=tests/github-logo.png \
   -e PLUGIN_DEBUG=true \
   -e PLUGIN_FORMAT=markdown \
   -e DRONE_REPO_OWNER=appleboy \

main.go

@@ -42,6 +42,11 @@ func main() {
 			Usage:  "send document message",
 			EnvVar: "PLUGIN_DOCUMENT",
 		},
+		cli.StringSliceFlag{
+			Name:   "sticker",
+			Usage:  "send sticker message",
+			EnvVar: "PLUGIN_STICKER",
+		},
 		cli.BoolFlag{
 			Name:   "debug",
 			Usage:  "enable debug message",
@@ -133,6 +138,7 @@ func run(c *cli.Context) error {
 			Message:  c.StringSlice("message"),
 			Photo:    c.StringSlice("photo"),
 			Document: c.StringSlice("document"),
+			Sticker:  c.StringSlice("sticker"),
 			Format:   c.String("format"),
 		},
 	}

plugin.go

@@ -38,6 +38,7 @@ type (
 		Message  []string
 		Photo    []string
 		Document []string
+		Sticker  []string
 		Format   string
 	}
 
@@ -122,6 +123,7 @@ func (p Plugin) Exec() error {
 	ids := parseID(p.Config.To)
 	photos := fileExist(trimElement(p.Config.Photo))
 	documents := fileExist(trimElement(p.Config.Document))
+	stickers := fileExist(trimElement(p.Config.Sticker))
 
 	// send message.
 	for _, user := range ids {
@@ -140,6 +142,11 @@ func (p Plugin) Exec() error {
 			msg := tgbotapi.NewDocumentUpload(user, value)
 			p.Send(bot, msg)
 		}
+
+		for _, value := range stickers {
+			msg := tgbotapi.NewStickerUpload(user, value)
+			p.Send(bot, msg)
+		}
 	}
 
 	return nil

plugin_test.go

@@ -71,6 +71,7 @@ func TestSendMessage(t *testing.T) {
 			Message:  []string{"Test Telegram Chat Bot From Travis or Local", " "},
 			Photo:    []string{"tests/github.png", "1234", " "},
 			Document: []string{"tests/gophercolor.png", "1234", " "},
+			Sticker:  []string{"tests/github-logo.png", "tests/github.png", "1234", " "},
 			Debug:    false,
 		},
 	}