turns out rewriting all of your database code takes a while

api/uploads.go

@@ -0,0 +1,49 @@
+package api
+
+import (
+	"bufio"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func HandleImageUpload(data *string, directory string, filename string) (string, error) {
+	split := strings.Split(*data, ";base64,")
+	header := split[0]
+	imageData, err := base64.StdEncoding.DecodeString(split[1])
+	ext, _ := strings.CutPrefix(header, "data:image/")
+
+	switch ext {
+	case "png":
+	case "jpg":
+	case "jpeg":
+	default:
+		return "", errors.New("Invalid image type. Allowed: .png, .jpg, .jpeg")
+	}
+    filename = fmt.Sprintf("%s.%s", filename, ext)
+
+	// ensure directory exists
+	os.MkdirAll(directory, os.ModePerm)
+
+	imagePath := filepath.Join(directory, filename)
+	file, err := os.Create(imagePath)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
+
+	buffer := bufio.NewWriter(file)
+	_, err = buffer.Write(imageData)
+	if err != nil {
+        return "", nil
+	}
+
+	if err := buffer.Flush(); err != nil {
+        return "", nil
+	}
+
+	return filename, nil
+}