148 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package slack
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import (
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	"errors"
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	"sync"
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	"github.com/micro/cli"
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	"github.com/micro/go-micro/agent/input"
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	"github.com/nlopes/slack"
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)
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type slackInput struct {
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	debug bool
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	token string
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	sync.Mutex
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	running bool
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	exit    chan bool
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	api *slack.Client
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}
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func init() {
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	input.Inputs["slack"] = NewInput()
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}
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func (p *slackInput) Flags() []cli.Flag {
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	return []cli.Flag{
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		cli.BoolFlag{
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			Name:   "slack_debug",
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			Usage:  "Slack debug output",
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			EnvVar: "MICRO_SLACK_DEBUG",
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		},
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		cli.StringFlag{
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			Name:   "slack_token",
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			Usage:  "Slack token",
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			EnvVar: "MICRO_SLACK_TOKEN",
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		},
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	}
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}
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func (p *slackInput) Init(ctx *cli.Context) error {
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	debug := ctx.Bool("slack_debug")
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	token := ctx.String("slack_token")
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	if len(token) == 0 {
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		return errors.New("missing slack token")
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	}
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	p.debug = debug
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	p.token = token
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	return nil
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}
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func (p *slackInput) Stream() (input.Conn, error) {
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	p.Lock()
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	defer p.Unlock()
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	if !p.running {
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		return nil, errors.New("not running")
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	}
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	// test auth
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	auth, err := p.api.AuthTest()
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	if err != nil {
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		return nil, err
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	}
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	rtm := p.api.NewRTM()
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	exit := make(chan bool)
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	go rtm.ManageConnection()
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	go func() {
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		select {
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		case <-p.exit:
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			select {
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			case <-exit:
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				return
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			default:
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				close(exit)
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			}
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		case <-exit:
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		}
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		rtm.Disconnect()
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	}()
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	conn := &slackConn{
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		auth:  auth,
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		rtm:   rtm,
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		exit:  exit,
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		names: make(map[string]string),
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	}
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	go conn.run()
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	return conn, nil
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}
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func (p *slackInput) Start() error {
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	if len(p.token) == 0 {
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		return errors.New("missing slack token")
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	}
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	p.Lock()
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	defer p.Unlock()
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	if p.running {
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		return nil
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	}
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	api := slack.New(p.token, slack.OptionDebug(p.debug))
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	// test auth
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	_, err := api.AuthTest()
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	if err != nil {
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		return err
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	}
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	p.api = api
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	p.exit = make(chan bool)
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	p.running = true
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	return nil
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}
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func (p *slackInput) Stop() error {
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	p.Lock()
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	defer p.Unlock()
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	if !p.running {
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		return nil
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	}
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	close(p.exit)
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	p.running = false
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	return nil
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}
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func (p *slackInput) String() string {
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	return "slack"
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}
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func NewInput() input.Input {
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	return &slackInput{}
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}
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