+groan.

README.md

@@ -10,6 +10,7 @@
 |BotSnack|`(?i)botsnack`|Consumes a botsnack. This pleases mcchunkie and brings balance to the universe.|
 |Covid|`(?i)^covid: (.+)$`|Queries [thebigboard.cc](http://www.thebigboard.cc)'s api for information on COVID-19.|
 |Feder|`(?i)^(?:feder: |tayshame: )(.*)$`|check the Matrix federation status of a given URL.|
+|Groan|`(?i)^@groan$`|Ugh.|
 |Ham|`(?i)^ham: (\w+)$`|queries the FCC's [ULS](https://wireless2.fcc.gov/UlsApp/UlsSearch/searchLicense.jsp) for a given callsign.|
 |HighFive|`o/|\\o`|Everyone loves highfives.|
 |Hi|`(?i)^hi|hi$`|Friendly bots say hi.|

plugins/groan.go

@@ -0,0 +1,56 @@
+package plugins
+
+import (
+	"github.com/matrix-org/gomatrix"
+	"math/rand"
+	"regexp"
+	"time"
+)
+
+// Groan responds to groans.
+type Groan struct {
+}
+
+// Descr describes this plugin
+func (h *Groan) Descr() string {
+	return "Ugh."
+}
+
+// Re are the regexes that high five uses
+func (h *Groan) Re() string {
+	return `(?i)^@groan$`
+}
+
+// SetStore we don't need a store here.
+func (h *Groan) SetStore(_ PluginStore) {}
+
+// Match determines if we should bother groaning
+func (h *Groan) Match(user, msg string) bool {
+	re := regexp.MustCompile(h.Re())
+	return re.MatchString(msg)
+}
+
+func (h *Groan) resp() string {
+	a := []string{
+		"Ugh.",
+		"ugh",
+		"ffffuuuu",
+		"sigh.",
+		"oh fml.",
+		"........",
+	}
+
+	rand.Seed(time.Now().Unix())
+	return a[rand.Intn(len(a))]
+
+}
+
+// RespondText to groan events
+func (h *Groan) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
+	return SendText(c, ev.RoomID, h.resp())
+}
+
+// Name returns the name of the Groan plugin
+func (h *Groan) Name() string {
+	return "Groan"
+}

plugins/plugins.go

@@ -217,6 +217,7 @@ var Plugs = Plugins{
 	&BotSnack{},
 	&Covid{},
 	&Feder{},
+	&Groan{},
 	&Ham{},
 	&HighFive{},
 	&Hi{},