args over envars, some music gateway fixes

global/data.go

@@ -1,19 +1,48 @@
 package global
 
 import (
+	"fmt"
 	"os"
+	"strings"
 
 	"arimelody.me/arimelody.me/music/model"
 	"github.com/jmoiron/sqlx"
 )
 
+var Args = func() map[string]string {
+    args := map[string]string{}
+    
+    index := 0
+    for index < len(os.Args[1:]) {
+        arg := os.Args[index + 1]
+        if !strings.HasPrefix(arg, "-") {
+            fmt.Printf("FATAL: Parameters must follow an argument (%s).\n", arg)
+            os.Exit(1)
+        }
+
+        if index + 3 > len(os.Args) || strings.HasPrefix(os.Args[index + 2], "-") {
+            args[arg[1:]] = "true"
+            index += 1
+            continue
+        }
+
+        val := os.Args[index + 2]
+        args[arg[1:]] = val
+        // fmt.Printf("%s: %s\n", arg[1:], val)
+        index += 2
+    }
+
+    return args
+}()
+
+
 var HTTP_DOMAIN = func() string  {
     envvar := os.Getenv("HTTP_DOMAIN")
     if envvar != "" {
         return envvar
     }
     return "https://arimelody.me"
-}
+}()
 
 var DB *sqlx.DB