✨ 新增几大中心功能

server/service/system/register_config.go

@@ -0,0 +1,84 @@
+package system
+
+import (
+	"strconv"
+
+	"git.echol.cn/loser/Go-Web-Template/server/global"
+	sysModel "git.echol.cn/loser/Go-Web-Template/server/model/system"
+)
+
+const (
+	paramRegisterMode           = "auth.register_mode"
+	paramRegisterRequireCaptcha = "auth.register_require_captcha"
+	paramInviteExpireHours      = "auth.invite_code_expire_hours"
+)
+
+type RegisterMode string
+
+const (
+	RegisterModeClosed RegisterMode = "closed"
+	RegisterModeOpen   RegisterMode = "open"
+	RegisterModeInvite RegisterMode = "invite"
+)
+
+var allowedInviteExpireHours = map[int]bool{
+	12:  true,
+	24:  true,
+	72:  true,
+	168: true,
+	720: true,
+}
+
+func getSysParamValue(key string) (string, bool) {
+	var param sysModel.SysParams
+	if err := global.GVA_DB.Where(sysModel.SysParams{Key: key}).First(&param).Error; err != nil {
+		return "", false
+	}
+	return param.Value, true
+}
+
+func GetRegisterMode() RegisterMode {
+	if v, ok := getSysParamValue(paramRegisterMode); ok {
+		switch RegisterMode(v) {
+		case RegisterModeClosed, RegisterModeOpen, RegisterModeInvite:
+			return RegisterMode(v)
+		}
+	}
+	return RegisterModeClosed
+}
+
+func GetRegisterRequireCaptcha() bool {
+	if v, ok := getSysParamValue(paramRegisterRequireCaptcha); ok {
+		return v == "1" || v == "true" || v == "on"
+	}
+	return false
+}
+
+func GetInviteExpireHours() int {
+	if v, ok := getSysParamValue(paramInviteExpireHours); ok {
+		if n, err := strconv.Atoi(v); err == nil {
+			if allowedInviteExpireHours[n] {
+				return n
+			}
+		}
+	}
+	return 24
+}
+
+// ---- 供 API 层调用的实例方法（避免跨包直接引用自由函数） ----
+
+func (s *PublicRegisterService) RegisterMode() RegisterMode {
+	return GetRegisterMode()
+}
+
+func (s *PublicRegisterService) RequireCaptcha() bool {
+	return GetRegisterRequireCaptcha()
+}
+
+func (s *PublicRegisterService) InviteExpireHours() int {
+	return GetInviteExpireHours()
+}
+
+func (s *InviteCodeService) InviteExpireHours() int {
+	return GetInviteExpireHours()
+}