feat(wip): node selector supports sse

api/api.go

@@ -1,15 +1,10 @@
 package api
 
 import (
-	"errors"
 	"github.com/0xJacky/Nginx-UI/model"
 	"github.com/gin-gonic/gin"
-	"github.com/go-playground/validator/v10"
 	"github.com/uozi-tech/cosy/logger"
 	"net/http"
-	"reflect"
-	"regexp"
-	"strings"
 )
 
 func CurrentUser(c *gin.Context) *model.User {
@@ -23,105 +18,10 @@ func ErrHandler(c *gin.Context, err error) {
 	})
 }
 
-type ValidError struct {
-	Key     string
-	Message string
-}
-
-func BindAndValid(c *gin.Context, target interface{}) bool {
-	err := c.ShouldBindJSON(target)
-	if err != nil {
-		logger.Error("bind err", err)
-
-		var verrs validator.ValidationErrors
-		ok := errors.As(err, &verrs)
-
-		if !ok {
-			c.JSON(http.StatusNotAcceptable, gin.H{
-				"message": "Requested with wrong parameters",
-				"code":    http.StatusNotAcceptable,
-			})
-			return false
-		}
-
-		t := reflect.TypeOf(target).Elem()
-		errorsMap := make(map[string]interface{})
-		for _, value := range verrs {
-			var path []string
-
-			namespace := strings.Split(value.StructNamespace(), ".")
-			// logger.Debug(t.Name(), namespace)
-			if t.Name() != "" && len(namespace) > 1 {
-				namespace = namespace[1:]
-			}
-
-			getJsonPath(t, namespace, &path)
-			insertError(errorsMap, path, value.Tag())
-		}
-
-		c.JSON(http.StatusNotAcceptable, gin.H{
-			"errors":  errorsMap,
-			"message": "Requested with wrong parameters",
-			"code":    http.StatusNotAcceptable,
-		})
-
-		return false
-	}
-
-	return true
-}
-
-// findField recursively finds the field in a nested struct
-func getJsonPath(t reflect.Type, fields []string, path *[]string) {
-	field := fields[0]
-	// used in case of array
-	var index string
-	if field[len(field)-1] == ']' {
-		re := regexp.MustCompile(`(\w+)\[(\d+)\]`)
-		matches := re.FindStringSubmatch(field)
-
-		if len(matches) > 2 {
-			field = matches[1]
-			index = matches[2]
-		}
-	}
-
-	f, ok := t.FieldByName(field)
-	if !ok {
-		return
-	}
-
-	*path = append(*path, f.Tag.Get("json"))
-
-	if index != "" {
-		*path = append(*path, index)
-	}
-
-	if len(fields) > 1 {
-		subFields := fields[1:]
-		getJsonPath(f.Type, subFields, path)
-	}
-}
-
-// insertError inserts an error into the errors map
-func insertError(errorsMap map[string]interface{}, path []string, errorTag string) {
-	if len(path) == 0 {
-		return
-	}
-
-	jsonTag := path[0]
-	if len(path) == 1 {
-		// Last element in the path, set the error
-		errorsMap[jsonTag] = errorTag
-		return
-	}
-
-	// Create a new map if necessary
-	if _, ok := errorsMap[jsonTag]; !ok {
-		errorsMap[jsonTag] = make(map[string]interface{})
-	}
-
-	// Recursively insert into the nested map
-	subMap, _ := errorsMap[jsonTag].(map[string]interface{})
-	insertError(subMap, path[1:], errorTag)
+func SetSSEHeaders(c *gin.Context) {
+	c.Header("Content-Type", "text/event-stream")
+	c.Header("Cache-Control", "no-cache")
+	c.Header("Connection", "keep-alive")
+	// https://stackoverflow.com/questions/27898622/server-sent-events-stopped-work-after-enabling-ssl-on-proxy/27960243#27960243
+	c.Header("X-Accel-Buffering", "no")
 }