Refactor error handling and utility functions; remove deprecated code and improve logging

core/utils/http_errors.go

@@ -0,0 +1,22 @@
+package utils
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+// writeJSONError writes a JSON error response to the HTTP response writer.
+// It sets the Content-Type to application/json, writes the specified HTTP status code
+func WriteJSONError(w http.ResponseWriter, status int, msg string) error {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	resp := map[string]any{
+		"status": "error",
+		"error":  msg,
+		"code":   status,
+	}
+	if err := json.NewEncoder(w).Encode(resp); err != nil {
+		return err
+	}
+	return nil
+}

core/utils/internal_lua.go

@@ -0,0 +1,26 @@
+package utils
+
+import lua "github.com/yuin/gopher-lua"
+
+func ConvertLuaTypesToGolang(value lua.LValue) any {
+	switch value.Type() {
+	case lua.LTString:
+		return value.String()
+	case lua.LTNumber:
+		return float64(value.(lua.LNumber))
+	case lua.LTBool:
+		return bool(value.(lua.LBool))
+	case lua.LTTable:
+		result := make(map[string]interface{})
+		if tbl, ok := value.(*lua.LTable); ok {
+			tbl.ForEach(func(key lua.LValue, value lua.LValue) {
+				result[key.String()] = ConvertLuaTypesToGolang(value)
+			})
+		}
+		return result
+	case lua.LTNil:
+		return nil
+	default:
+		return value.String()
+	}
+}

core/utils/uuid.go

@@ -0,0 +1,18 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"errors"
+
+	"github.com/akyaiy/GoSally-mvp/core/config"
+)
+
+func NewUUID() (string, error) {
+	bytes := make([]byte, int(config.GetInternalConsts().GetUUIDLength()/2))
+	_, err := rand.Read(bytes)
+	if err != nil {
+		return "", errors.New("failed to generate UUID: " + err.Error())
+	}
+	return hex.EncodeToString(bytes), nil
+}