+ version plugin

plugins/plugins.go

@@ -48,4 +48,5 @@ var Plugs = Plugins{
 	&Hi{},
 	&LoveYou{},
 	&Source{},
+	&Version{},
 }

plugins/version.go

@@ -0,0 +1,47 @@
+package plugins
+
+import (
+	"fmt"
+	"log"
+	"regexp"
+	"runtime"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+// Version responds to hi messages
+type Version struct {
+}
+
+func (v *Version) match(msg string) bool {
+	re := regexp.MustCompile(`(?i)version$`)
+	return re.MatchString(msg)
+}
+
+func (v *Version) print(to string) string {
+	return fmt.Sprintf("%s, I am written in Go, running on %s", to, runtime.GOOS)
+}
+
+// Respond to version events
+func (v *Version) Respond(c *gomatrix.Client, ev *gomatrix.Event, user string) {
+	if mtype, ok := ev.MessageType(); ok {
+		switch mtype {
+		case "m.text":
+			if post, ok := ev.Body(); ok {
+				u := NameRE.ReplaceAllString(user, "$1")
+				s := NameRE.ReplaceAllString(ev.Sender, "$1")
+				if ToMe(u, post) {
+					if v.match(post) {
+						log.Printf("%s: responding to '%s'", v.Name(), ev.Sender)
+						SendMessage(c, ev.RoomID, v.print(s))
+					}
+				}
+			}
+		}
+	}
+}
+
+// Name Version
+func (v *Version) Name() string {
+	return "Version"
+}