[功能] 添加数据库观测数据清理功能，支持手动和自动清理策略

openflare_server/controller/database.go

@@ -0,0 +1,34 @@
+package controller
+
+import (
+	"net/http"
+	"openflare/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CleanupDatabaseObservability godoc
+// @Summary Cleanup observability tables
+// @Tags Options
+// @Accept json
+// @Produce json
+// @Security BearerAuth
+// @Success 200 {object} map[string]interface{}
+// @Router /api/option/database/cleanup [post]
+func CleanupDatabaseObservability(c *gin.Context) {
+	var input service.DatabaseCleanupInput
+	if err := decodeOptionalJSONBody(c.Request.Body, &input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"success": false,
+			"message": "参数错误",
+			"error":   err.Error(),
+		})
+		return
+	}
+	result, err := service.CleanupDatabaseObservability(input)
+	if err != nil {
+		respondFailure(c, err.Error())
+		return
+	}
+	respondSuccess(c, result)
+}

openflare_server/controller/option.go

@@ -73,6 +73,21 @@ func validateGeoIPOption(key string, value string) error {
 	return nil
 }
 
+func validateDatabaseCleanupOption(key string, value string) error {
+	switch key {
+	case "DatabaseAutoCleanupEnabled":
+		return validateBooleanOption(key, value)
+	case "DatabaseAutoCleanupRetentionDays":
+		intValue, err := strconv.Atoi(value)
+		if err != nil || intValue < 1 {
+			return fmt.Errorf("%s 必须为大于等于 1 的整数天", key)
+		}
+		return nil
+	default:
+		return nil
+	}
+}
+
 func validateOpenRestyOption(key string, value string) error {
 	trimmed := strings.TrimSpace(value)
 
@@ -271,6 +286,13 @@ func UpdateOption(c *gin.Context) {
 		})
 		return
 	}
+	if err = validateDatabaseCleanupOption(option.Key, option.Value); err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
 	err = model.UpdateOption(option.Key, option.Value)
 	if err != nil {
 		c.JSON(http.StatusOK, gin.H{