Merge pull request #41 from servusDei2018/add-service-line

feat(service): add service line

docs/contribution.md

@@ -13,6 +13,7 @@ possible.
   - `service/slack` - Slack notification service.
   - `service/telegram` - Telegram notification service.
   - `service/pushover` - Pushover Notification service.
+  - `service/line` - Line notification service.
 
 ### Documentation
 

docs/home.md

@@ -58,6 +58,7 @@ platforms.
 - *Slack*
 - *Telegram*
 - *Twillio*
+- *Line Messenger*
 
 ## Demo
 

go.mod

@@ -5,7 +5,7 @@ go 1.16
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/gregdel/pushover v0.0.0-20210216095829-2131362cb888
-	github.com/nikoksr/notify v0.15.0
+	github.com/nikoksr/notify v0.17.0
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sfreiberg/gotwilio v0.0.0-20201211181435-c426a3710ab5
 	github.com/stretchr/testify v1.7.0

main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/kha7iq/pingme/service/discord"
 	"github.com/kha7iq/pingme/service/email"
+	"github.com/kha7iq/pingme/service/line"
 	"github.com/kha7iq/pingme/service/mattermost"
 	"github.com/kha7iq/pingme/service/msteams"
 	"github.com/kha7iq/pingme/service/pushbullet"
@@ -48,6 +49,7 @@ RocketChat, Discord, Pushover, Mattermost, Pushbullet, Microsoft Teams, Twillio,
 		twillio.Send(),
 		zulip.Send(),
 		mastodon.Send(),
+		line.Send(),
 	}
 
 	err := app.Run(os.Args)

service/line/line.go

@@ -0,0 +1,100 @@
+package line
+
+import (
+	"context"
+	"log"
+	"strings"
+
+	"github.com/kha7iq/pingme/service/helpers"
+	"github.com/nikoksr/notify"
+	"github.com/nikoksr/notify/service/line"
+	"github.com/urfave/cli/v2"
+)
+
+// Line struct holds data parsed via flags for the service
+type Line struct {
+	Secret    string
+	Token     string
+	Message   string
+	Receivers string
+	Title     string
+}
+
+// Send parses values from *cli.context and returns a *cli.Command.
+// Values include channel secret, channel access token, receiver IDs (group or user), Message and Title.
+// If multiple receiver IDs are provided, then the string is split with "," separator and each receiver ID is added to the receiver.
+func Send() *cli.Command {
+	var lineOpts Line
+	return &cli.Command{
+		Name:  "line",
+		Usage: "Send message to line messenger",
+		Description: `Line messenger uses a channel secret and
+a channel access token to authenticate & send messages
+through line to various receivers.`,
+		UsageText: "pingme line --secret '123' --token '123' --msg 'some message' --receivers '123,456,789'",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Destination: &lineOpts.Secret,
+				Name:        "secret",
+				Required:    true,
+				Usage:       "Channel secret.",
+				EnvVars:     []string{"LINE_SECRET"},
+			},
+			&cli.StringFlag{
+				Destination: &lineOpts.Token,
+				Name:        "token",
+				Required:    true,
+				Usage:       "Channel access token.",
+				EnvVars:     []string{"LINE_TOKEN"},
+			},
+			&cli.StringFlag{
+				Destination: &lineOpts.Message,
+				Name:        "msg",
+				Required:    true,
+				Usage:       "Message content.",
+				EnvVars:     []string{"LINE_MESSAGE"},
+			},
+			&cli.StringFlag{
+				Destination: &lineOpts.Title,
+				Name:        "title",
+				Value:       helpers.TimeValue,
+				Usage:       "Message title.",
+				EnvVars:     []string{"LINE_MSG_TITLE"},
+			},
+			&cli.StringFlag{
+				Destination: &lineOpts.Receivers,
+				Name:        "receivers",
+				Required:    true,
+				Usage:       "Comma-separated list of user or group receiver IDs.",
+				EnvVars:     []string{"LINE_RECEIVER_IDS"},
+			},
+		},
+		Action: func(ctx *cli.Context) error {
+			notifier := notify.New()
+			lineSvc, err := line.New(lineOpts.Secret, lineOpts.Token)
+			if err != nil {
+				return err
+			}
+
+			// Add receiver IDs
+			recv := strings.Split(lineOpts.Receivers, ",")
+			for _, r := range recv {
+				lineSvc.AddReceivers(r)
+			}
+
+			notifier.UseServices(lineSvc)
+
+			if err := notifier.Send(
+				context.Background(),
+				lineOpts.Title,
+				lineOpts.Message,
+			); err != nil {
+				return err
+			}
+
+			log.Println("Successfully sent!")
+
+			return nil
+		},
+	}
+}