Mandanten, OAuth, Cleanup von der Main Methode.

utils/pagination.go

@@ -1,5 +1,12 @@
 package utils
 
+import (
+	"errors"
+	"strconv"
+
+	"github.com/gofiber/fiber/v2"
+)
+
 type OffsetPaginationError struct {
 	Page     int
 	Pages    int
@@ -35,3 +42,27 @@ func (p *KeysetPaginationError) Error() string {
 func NewKeysetPaginationError(key int, next int, previous int) error {
 	return &KeysetPaginationError{Key: key, NextKey: next, PreviousKey: previous}
 }
+
+func AddPaginationParams(c *fiber.Ctx) error {
+	err := c.Next()
+	if err != nil {
+
+		var offset *OffsetPaginationError
+		if errors.As(err, &offset) {
+			c.Append("X-Page", strconv.Itoa(offset.Page))
+			c.Append("X-Pages", strconv.Itoa(offset.Pages))
+			c.Append("X-Next-Page", strconv.Itoa(offset.NextPage))
+			c.Append("X-Last-Page", strconv.Itoa(offset.LastPage))
+			return nil
+		}
+
+		var keyset *KeysetPaginationError
+		if errors.As(err, &keyset) {
+			c.Append("X-Key", strconv.Itoa(keyset.Key))
+			c.Append("X-Previous-Key", strconv.Itoa(keyset.PreviousKey))
+			c.Append("X-Next-Key", strconv.Itoa(keyset.NextKey))
+			return nil
+		}
+	}
+	return err
+}