M main.go → main.go

@@ -14,12 +14,17 @@ case "001":
 		// TODO: load this from config
 		c.Write("JOIN #taigobot-test")
 	case "PRIVMSG":
-		if m.Trailing()[:1] == "." {
-			err := plugins.ProcessCommands(m.Trailing())
-			if err != nil {
-				c.Writef("error: %v", err)
-			}
+		response, err := plugins.ProcessTrigger(m)
+		if err != nil {
+			c.Writef("error: %v", err)
 		}
+		c.WriteMessage(&irc.Message{
+			Command: "PRIVMSG",
+			Params: []string{
+				m.Params[0],
+				response,
+			},
+		})
 	}
 }
 

A plugins/hello.go

@@ -0,0 +1,20 @@ 
+// Sanity check plugin.
+package plugins
+
+import (
+	"gopkg.in/irc.v3"
+)
+
+func init() {
+	Register(Hello{})
+}
+
+type Hello struct{}
+
+func (Hello) Triggers() []string {
+	return []string{".hello", "taigobot"}
+}
+
+func (Hello) Execute(m *irc.Message) (string, error) {
+	return "hello, " + m.Prefix.Name, nil
+}

M plugins/plugins.go → plugins/plugins.go

@@ -1,8 +1,14 @@ 
 package plugins
 
+import (
+	"strings"
+
+	"gopkg.in/irc.v3"
+)
+
 type Plugin interface {
 	Triggers() []string
-	Execute() error
+	Execute(m *irc.Message) (string, error)
 }
 
 var Plugins = make(map[string]Plugin)
@@ -13,14 +19,21 @@ Plugins[t] = p
 	}
 }
 
-func ProcessCommands(cmd string) error {
+// Checks for triggers in a message and executes its
+// corresponding plugin, returning the response/error.
+func ProcessTrigger(m *irc.Message) (string, error) {
+	var (
+		response string
+		err      error
+	)
 	for trigger, plugin := range Plugins {
-		if cmd == trigger {
-			err := plugin.Execute()
+		if strings.HasPrefix(m.Trailing(), trigger) {
+			response, err = plugin.Execute(m)
 			if err != nil {
-				return err
+				return "", err
 			}
+			return response, nil
 		}
 	}
-	return nil
+	return "", nil
 }