dynamic data directory

api/uploads.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"arimelody-web/global"
 	"bufio"
 	"encoding/base64"
 	"errors"
@@ -15,6 +16,7 @@ func HandleImageUpload(data *string, directory string, filename string) (string,
 	header := split[0]
 	imageData, err := base64.StdEncoding.DecodeString(split[1])
 	ext, _ := strings.CutPrefix(header, "data:image/")
+    directory = filepath.Join(global.DATA_DIR, directory)
 
 	switch ext {
 	case "png":

global/data.go

@@ -3,6 +3,7 @@ package global
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/jmoiron/sqlx"
@@ -42,4 +43,23 @@ var HTTP_DOMAIN = func() string  {
     return domain
 }()
 
+var DATA_DIR = func() string {
+    dir, err := filepath.Abs(os.Getenv("ARIMELODY_DATA_DIR"))
+    if err != nil {
+        fmt.Printf("FATAL: Failed to get working directory: %s\n", err.Error())
+        os.Exit(1)
+    }
+    if dir != "" {
+        os.MkdirAll(dir, os.ModePerm)
+    } else {
+        var err error
+        dir, err = os.Getwd()
+        if err != nil {
+            fmt.Printf("FATAL: Failed to get working directory: %s\n", err.Error())
+            os.Exit(1)
+        }
+    }
+    return dir
+}()
+
 var DB *sqlx.DB

main.go

@@ -72,7 +72,7 @@ func createServeMux() *http.ServeMux {
     mux.Handle("/admin/", http.StripPrefix("/admin", admin.Handler()))
     mux.Handle("/api/", http.StripPrefix("/api", api.Handler()))
     mux.Handle("/music/", http.StripPrefix("/music", view.MusicHandler()))
-    mux.Handle("/uploads/", http.StripPrefix("/uploads", staticHandler("uploads")))
+    mux.Handle("/uploads/", http.StripPrefix("/uploads", staticHandler(filepath.Join(global.DATA_DIR, "uploads"))))
     mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
         if r.URL.Path == "/" || r.URL.Path == "/index.html" {
             err := templates.Pages["index"].Execute(w, nil)