package main import ( "flag" "fmt" "log" "strings" "time" "github.com/slack-go/slack" ) var ( version = "dev" ) // statusInfo contains all args passed from the command line type statusInfo struct { // status contents emoji, statusText string duration time.Duration snooze bool // domain and login management login, makeDefault bool domain string // other showVersion bool } // getExipirationTime returns epoch time that status should expire from the duration. func (si statusInfo) getExpirationTime() int64 { if si.duration == 0 { return 0 } return time.Now().Add(si.duration).Unix() } // readDurationArgs will attempt to find a duration within command line args rather than flags. // It will look for a prefixed duration. eg. "5m :cowboy: Howdy y'all" and a postfix duration // following the word "for". eg. ":dancing: Dancing for 1h". func readDurationArgs(args []string) ([]string, *time.Duration) { // If there are no args, we have no duration if len(args) == 0 { return args, nil } // Try to parse the first value durationVal, err := time.ParseDuration(args[0]) if err == nil { // Found a duration, return the trimmed args and duration return args[1:], &durationVal } // If the args are less than two, then we don't have a "for " expression minArgsForSuffix := 2 if len(args) < minArgsForSuffix { return args, nil } // Check for a "for " expression at end of args if strings.ToLower(args[len(args)-2]) == "for" { durationVal, err = time.ParseDuration(args[len(args)-1]) if err == nil { // Found a duration, return the trimmed args and duration return args[:len(args)-2], &durationVal } } // Default return input return args, nil } // readFlags will read all flags off the command line. func readFlags() statusInfo { // Non-status flags login := flag.Bool("login", false, "login to a Slack workspace") domain := flag.String("domain", "", "domain to set status on") makeDefault := flag.Bool("make-default", false, "set the current domain to default") showVersion := flag.Bool("version", false, "show version and exit") // Status flags snooze := flag.Bool("snooze", false, "snooze notifications") duration := flag.Duration("duration", 0, "duration to set status for") emoji := flag.String("emoji", "", "emoji to use as status") flag.Parse() // Freeform input checks the first argument to see if it's a duration args := flag.Args() // Duration was not set via a flag, check the args if *duration == 0 { var parsedDuration *time.Duration args, parsedDuration = readDurationArgs(args) if parsedDuration != nil { duration = parsedDuration } } if *emoji == "" && len(args) > 0 { if args[0][0] == ':' && args[0][len(args[0])-1] == ':' { emoji = &args[0] args = args[1:] } } statusText := strings.Join(args, " ") return statusInfo{ duration: *duration, snooze: *snooze, emoji: *emoji, statusText: statusText, login: *login, domain: *domain, makeDefault: *makeDefault, showVersion: *showVersion, } } // loginAndSave will return a client after a new login flow and save the results func loginAndSave(domain string) (*slack.Client, error) { accessToken, err := authenticate() if err != nil { return nil, fmt.Errorf("failed to authenticate new login: %w", err) } client := slack.New(accessToken) if domain == "" { info, err := client.GetTeamInfo() if err != nil { return client, fmt.Errorf("failed to get team info: %w", err) } domain = info.Domain } err = saveLogin(domain, accessToken) if err != nil { return client, fmt.Errorf("failed saving new login info: %w", err) } return client, err } // getClient returns a client either via the provided login or default login func getClient(domain string) (*slack.Client, error) { var accessToken string var err error if domain == "" { accessToken, err = getDefaultLogin() if err != nil { return nil, fmt.Errorf("failed to get default login: %w", err) } } else { accessToken, err = getLogin(domain) if err != nil { return nil, fmt.Errorf("failed to get login for domain %s: %w", domain, err) } } return slack.New(accessToken), nil } func main() { args := readFlags() if args.showVersion { fmt.Println("version:", version) return } var client *slack.Client var err error // If the new-auth flag is present, force an auth flow if args.login { client, err = loginAndSave(args.domain) } else { client, err = getClient(args.domain) } // We encountered some error in logging in if err != nil { fmt.Println("Unable to create Slack client. Have you logged in yet? Try using `-login`") log.Fatal(fmt.Errorf("failed to get or save client: %w", err)) } // If a domain is provided and asked to make deafult, save it to config if args.makeDefault && args.domain != "" { if err = saveDefaultLogin(args.domain); err != nil { log.Fatal(fmt.Errorf("failed saving default domain %s: %w", args.domain, err)) } } err = client.SetUserCustomStatus(args.statusText, args.emoji, args.getExpirationTime()) if err != nil { fmt.Println("error setting status") panic(err) } if args.snooze { _, err = client.SetSnooze(int(args.duration.Minutes())) if err != nil { fmt.Println("error setting snooze") panic(err) } } else { _, err = client.EndSnooze() if err != nil && err.Error() != "snooze_not_active" { fmt.Println("error ending snooze") panic(err) } } }