增加租户套餐

go/controllers/backend_tenant_quota.go

@@ -0,0 +1,62 @@
+package controllers
+
+import (
+	"server/services"
+
+	beego "github.com/beego/beego/v2/server/web"
+)
+
+// BackendTenantQuotaController 租户端「用户数配额」信息（只读）
+// 供租户端用户管理页展示「已用/上限」；增购由平台端操作。
+type BackendTenantQuotaController struct {
+	beego.Controller
+}
+
+// GetQuotaInfo GET /backend/tenant/quotaInfo
+// 返回当前登录租户的用户数使用情况与生效套餐。
+func (c *BackendTenantQuotaController) GetQuotaInfo() {
+	tid := backendJWTTenantID(c.Ctx.Request.Header.Get("Authorization"))
+	if tid == 0 {
+		// 兜底：从 tid 参数取（部分历史调用未带 token 场景）
+		if v, err := c.GetUint64("tid"); err == nil {
+			tid = v
+		}
+	}
+	if tid == 0 {
+		c.Data["json"] = map[string]interface{}{"code": 401, "msg": "未登录或非法请求"}
+		_ = c.ServeJSON()
+		return
+	}
+
+	info, err := services.GetTenantQuotaInfo(tid)
+	if err != nil {
+		c.Data["json"] = map[string]interface{}{"code": 404, "msg": "租户不存在"}
+		_ = c.ServeJSON()
+		return
+	}
+
+	modules, _ := services.GetTenantPackageModules(tid)
+	moduleCodes := make([]string, 0, len(modules))
+	moduleNames := make([]string, 0, len(modules))
+	for _, m := range modules {
+		moduleCodes = append(moduleCodes, m.ModuleCode)
+		moduleNames = append(moduleNames, m.ModuleName)
+	}
+
+	c.Data["json"] = map[string]interface{}{
+		"code": 200,
+		"msg":  "success",
+		"data": map[string]interface{}{
+			"tid":              info.Tid,
+			"package_id":       info.EffectivePackageID,
+			"package_name":     info.PackageName,
+			"quota":            info.Quota,
+			"used":             info.Used,
+			"remaining":        info.Remaining,
+			"extra_user_price": info.ExtraUserPrice,
+			"module_codes":     moduleCodes,
+			"module_names":     moduleNames,
+		},
+	}
+	_ = c.ServeJSON()
+}