Create music player GUI

1 files changed, 60 insertions, 0 deletions

diff --git a/cmd/web/handlers/fs.go b/cmd/web/handlers/fs.go
new file mode 100644
index 0000000..96f11d0
--- /dev/null
+++ b/cmd/web/handlers/fs.go
@@ -0,0 +1,60 @@
+package handlers
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+type fsContext struct {
+	err			*log.Logger
+	path		string
+	contentType	string
+}
+
+func (ctx *fsContext) readdir(w http.ResponseWriter, r *http.Request) {
+	entries, err := os.ReadDir(ctx.path)
+	if err != nil {
+		ctx.err.Print(err.Error())
+		http.Error(w, "Internal Server Error", 500)
+		return
+	}
+
+	files := make([]string, len(entries))
+	for index, value := range entries {
+		files[index] = value.Name()
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(files)
+}
+
+func (ctx *fsContext) get(w http.ResponseWriter, r *http.Request) {
+	name := r.URL.Query().Get("file")
+
+	file, err := os.ReadFile(ctx.path + "/" + name)
+	if err != nil {
+		ctx.err.Print(err.Error())
+		http.Error(w, "Internal Server Error", 500)
+		return
+	}
+
+	if ctx.contentType != "" {
+		w.Header().Set("Content-Type", ctx.contentType)
+	} else {
+		switch filepath.Ext(name) {
+			case ".css":
+				w.Header().Set("Content-Type", "text/css")
+			case ".js":
+				w.Header().Set("Content-Type", "text/javascript")
+			case ".svg":
+				w.Header().Set("Content-Type", "image/svg+xml")
+			case ".png":
+				w.Header().Set("Content-Type", "image/png")
+		}
+	}
+
+	w.Write(file)
+}