WHOWAS command

irc/commands.go

@@ -54,6 +54,7 @@ var (
 		VERSION: NewVersionCommand,
 		WHO:     NewWhoCommand,
 		WHOIS:   NewWhoisCommand,
+		WHOWAS:  NewWhoWasCommand,
 	}
 )
 
@@ -968,3 +969,26 @@ func NewKillCommand(args []string) (editableCommand, error) {
 		comment:  args[1],
 	}, nil
 }
+
+type WhoWasCommand struct {
+	BaseCommand
+	nicknames []string
+	count     int64
+	target    string
+}
+
+func NewWhoWasCommand(args []string) (editableCommand, error) {
+	if len(args) < 1 {
+		return nil, NotEnoughArgsError
+	}
+	cmd := &WhoWasCommand{
+		nicknames: strings.Split(args[0], ","),
+	}
+	if len(args) > 1 {
+		cmd.count, _ = strconv.ParseInt(args[1], 10, 64)
+	}
+	if len(args) > 2 {
+		cmd.target = args[2]
+	}
+	return cmd, nil
+}