Adding o7 "Salute"

Salute ( o7 ) is the intergalactic sign for a salute. Chunks should return an o7 when saluted by a worthy member.

README.md

@@ -24,6 +24,7 @@ A [Matrix](https://matrix.org) chat bot.
 |PGP|`(?i)^pgp: (.+@.+\..+\|[a-f0-9]+)$`|Queries keys.openpgp.org|
 |Palette|`(?i)^#[a-f0-9]{6}$`|Creates an solid 56x56 image of the color specified.|
 |RFC|`(?i)^rfc\s?([0-9]+)$`|Produces a link to tools.ietf.org.|
+|Salute|`o7`|Everyone loves salutes.|
 |Snap|`(?i)^snap:$`|checks the current build date of OpenBSD snapshots.|
 |Source|`(?i)where is your (source\|code)`|Tell people where they can find more information about myself.|
 |Thanks|`(?i)^thank you\|thank you$\|^thanks\|thanks$\|^ty\|ty$`|Bots should be respectful. Respond to thanks.|

plugins/salute.go

@@ -0,0 +1,58 @@
+package plugins
+
+import (
+	"fmt"
+	"regexp"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+// Salute high fives!
+type Salute struct {
+}
+
+func rightSalute() string {
+	return "o7"
+}
+
+// Descr describes this plugin
+func (h *Salute) Descr() string {
+	return "Everyone loves Salutes."
+}
+
+// Re are the regexes that high five uses
+func (h *Salute) Re() string {
+	return fmt.Sprintf("%s", rightSalute())
+}
+
+// SetStore we don't need a store here.
+func (h *Salute) SetStore(_ PluginStore) {}
+
+// Match determines if we should bother giving a salute
+func (h *Salute) Match(user, msg string) bool {
+	re := regexp.MustCompile(h.Re())
+	return ToMe(user, msg) && re.MatchString(msg)
+}
+
+func (h *Salute) Process(from, post string) string {
+	s := NameRE.ReplaceAllString(from, "$1")
+
+	rm := regexp.MustCompile(rightSalute())
+
+	if rm.MatchString(post) {
+		return fmt.Sprintf("%s o7", s)
+	}
+
+
+	return "o7"
+}
+
+// RespondText to high five events
+func (h *Salute) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
+	return SendText(c, ev.RoomID, h.Process(ev.Sender, post))
+}
+
+// Name returns the name of the Salute plugin
+func (h *Salute) Name() string {
+	return "Salute"
+}

plugins/salute_test.go

@@ -0,0 +1,20 @@
+package plugins
+
+import (
+	"testing"
+)
+
+func TestSaluteMatch(t *testing.T) {
+	testStrings := make(map[string]bool)
+	testStrings["o7"] = true
+	testStrings[`7o`] = false
+	testStrings["_o"] = false
+	testStrings["o_"] = false
+
+	h := &Salute{}
+	for msg, should := range testStrings {
+		if h.Match("", msg) != should {
+			t.Errorf("Salute expected to match %q (%t); but doesn't\n", msg, should)
+		}
+	}
+}