Add func ReadPayloadFromRequest.

push_common.go

@@ -2,6 +2,9 @@ package push_common
 
 import (
 	"context"
+	"encoding/json"
+	"io"
+	"net/http"
 	"strconv"
 	"strings"
 
@@ -203,3 +206,15 @@ type PushPayload struct {
 	ImageUrl     string         `json:"imageUrl"`
 	TextVariants []*TextVariant `json:"textVariants"`
 }
+
+func ReadPayloadFromRequest(request *http.Request, payload *PushPayload) error {
+	b, err := io.ReadAll(request.Body)
+	if err != nil {
+		return err
+	}
+	if b == nil {
+		return errors.New("Can not read text variants. Request body bytes is nil.")
+	}
+
+	return json.Unmarshal(b, payload)
+}