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pingme/cmd/slack.go

93 lines
2.5 KiB

package cmd
import (
"context"
"fmt"
"log"
"strings"
"github.com/nikoksr/notify"
"github.com/nikoksr/notify/service/slack"
"github.com/urfave/cli/v2"
)
// slackPingMe struct holds data parsed via flags for slack service.
type slackPingMe struct {
Token string
Message string
Channel string
Title string
}
// SendToSlack parse values from *cli.context and return *cli.Command.
// Values include slack token, channelIDs, Message and Title.
// If multiple channels are provided then the string is split with "," separator and
// each channelID is added to receiver.
func SendToSlack() *cli.Command {
var slackOpts slackPingMe
return &cli.Command{
Name: "slack",
Usage: "Send message to slack",
UsageText: "pingme slack --token '123' --channel '12345,67890' --msg 'some message'",
Description: `Slack uses token to authenticate and send messages to defined channels.
Multiple channel ids can be used separated by comma ','.
All configuration options are also available via environment variables.`,
Flags: []cli.Flag{
&cli.StringFlag{
Destination: &slackOpts.Token,
Name: "token",
Aliases: []string{"t"},
Required: true,
Usage: "Token of slack bot used for sending message.",
EnvVars: []string{"SLACK_TOKEN"},
},
&cli.StringFlag{
Destination: &slackOpts.Channel,
Name: "channel",
Required: true,
Aliases: []string{"c"},
Usage: "Channel ids for slack,if sending to multiple channels separate with ','.",
EnvVars: []string{"SLACK_CHANNELS"},
},
&cli.StringFlag{
Destination: &slackOpts.Message,
Name: "msg",
Aliases: []string{"m"},
Usage: "Message content.",
EnvVars: []string{"SLACK_MESSAGE"},
},
&cli.StringFlag{
Destination: &slackOpts.Title,
Name: "title",
Value: TimeValue,
Usage: "Title of the message.",
EnvVars: []string{"SLACK_MSG_TITLE"},
},
},
Action: func(ctx *cli.Context) error {
notifier := notify.New()
slackSvc := slack.New(slackOpts.Token)
chn := strings.Split(slackOpts.Channel, ",")
for _, v := range chn {
if len(v) <= 0 {
return fmt.Errorf(EmptyChannel)
}
slackSvc.AddReceivers(v)
}
notifier.UseServices(slackSvc)
if err := notifier.Send(
context.Background(),
slackOpts.Title,
slackOpts.Message,
); err != nil {
return err
}
log.Println("Successfully sent!")
return nil
},
}
}