package notify import ( "encoding/json" "fmt" ) const ( slackEndpoint = "https://%s.slack.com/services/hooks/incoming-webhook?token=%s" slackStartedMessage = "*Building* %s, commit <%s|%s>, author %s" slackSuccessMessage = "*Success* %s, commit <%s|%s>, author %s" slackFailureMessage = "*Failed* %s, commit <%s|%s>, author %s" ) type Slack struct { Team string `yaml:"team,omitempty"` Channel string `yaml:"channel,omitempty"` Username string `yaml:"username,omitempty"` Token string `yaml:"token,omitempty"` Started bool `yaml:"on_started,omitempty"` Success bool `yaml:"on_success,omitempty"` Failure bool `yaml:"on_failure,omitempty"` } func (s *Slack) Send(context *Context) error { switch { case context.Commit.Status == "Started" && s.Started: return s.sendStarted(context) case context.Commit.Status == "Success" && s.Success: return s.sendSuccess(context) case context.Commit.Status == "Failure" && s.Failure: return s.sendFailure(context) } return nil } func getBuildUrl(context *Context) string { return fmt.Sprintf("%s/%s/%s/%s/branch/%s/commit/%s", context.Host, context.Repo.Host, context.Repo.Owner, context.Repo.Name, context.Commit.Branch, context.Commit.Sha) } func getMessage(context *Context, message string) string { url := getBuildUrl(context) return fmt.Sprintf(message, context.Repo.Name, url, context.Commit.ShaShort(), context.Commit.Author) } func (s *Slack) sendStarted(context *Context) error { return s.send(getMessage(context, slackStartedMessage)) } func (s *Slack) sendSuccess(context *Context) error { return s.send(getMessage(context, slackSuccessMessage)) } func (s *Slack) sendFailure(context *Context) error { return s.send(getMessage(context, slackFailureMessage)) } // helper function to send HTTP requests func (s *Slack) send(msg string) error { // data will get posted in this format data := struct { Channel string `json:"channel"` Username string `json:"username"` Text string `json:"text"` }{s.Channel, s.Username, msg} // data json encoded payload, err := json.Marshal(data) if err != nil { return err } // send payload url := fmt.Sprintf(slackEndpoint, s.Team, s.Token) go sendJson(url, payload) return nil }