end point for sound list

server/webserver/handlers/soundlist.go

@@ -0,0 +1,53 @@
+package handlers
+
+import (
+	"../../config"
+	"encoding/json"
+	"fmt"
+	"github.com/valyala/fasthttp"
+	"io/ioutil"
+	"strings"
+)
+
+var soundList = make([]string, 0)
+
+func SoundList(ctx *fasthttp.RequestCtx) {
+
+	if len(soundList) < 1 {
+		err := PopulateSoundList()
+		if err != nil {
+			ctx.Error(err.Error(), 400)
+			return
+		}
+	}
+
+	response, err := json.Marshal(soundList)
+
+	if err != nil {
+		ctx.Error("Error marshaling json", 400)
+		return
+	}
+
+	ctx.SetContentType("application/json")
+	ctx.Write(response)
+}
+
+func PopulateSoundList() error {
+	fmt.Println("Populating sound list.")
+
+	soundList = make([]string, 0)
+
+	var fileName string
+	files, err := ioutil.ReadDir(config.Config.SoundsPath)
+
+	if err != nil {
+		return err
+	}
+
+	for _, f := range files {
+		fileName = config.Config.BotPrefix + strings.Split(f.Name(), ".")[0]
+		soundList = append(soundList, fileName)
+	}
+
+	return nil
+}