core package, embryonic espeak function and tests

core/messages.go

@@ -0,0 +1,51 @@
+package core
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+	"time"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+func MessagePing(s *discordgo.Session, m *discordgo.MessageCreate) {
+	// Ignore all messages created by the bot itself
+	// This isn't required in this specific example but it's a good practice.
+	if m.Author.ID == s.State.User.ID {
+		return
+	}
+
+	if m.Content == "ping" {
+		s.ChannelMessageSend(m.ChannelID, "Pong!")
+	}
+
+	if m.Content == "pong" {
+		s.ChannelMessageSend(m.ChannelID, "Ping!")
+	}
+}
+
+func MessageAudio(s *discordgo.Session, m *discordgo.MessageCreate) {
+	if m.Author.ID == s.State.User.ID {
+		return
+	}
+
+	var prefix string = "/gogodisco audio"
+	if strings.HasPrefix(m.Content, prefix) {
+		var message string = strings.TrimLeft(m.Content, prefix)
+		createAudio(message)
+	}
+}
+
+func createAudio(msg string) ([]byte, error){
+	curr_time := time.Now().Unix()
+	var filename string = fmt.Sprintf("/tmp/%d.mp3", curr_time)
+	fmt.Println(filename)
+	var cmd_args string = fmt.Sprintf("-s 120 -v mb-fr2 -p 30 '%s'", msg)
+	cmd := exec.Command("espeak-ng", cmd_args)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		fmt.Println(fmt.Sprint(err) + ": " + string(out))
+	}
+	return out, err
+}