a2r call option

internal/api/friend.go

@@ -48,7 +48,9 @@ func (o *FriendApi) AddBlack(c *gin.Context) {
 }
 
 func (o *FriendApi) GetPaginationBlacks(c *gin.Context) {
-	a2r.Call(friend.FriendClient.GetPaginationBlacks, o.Client, c)
+	a2r.Call(friend.FriendClient.GetPaginationBlacks, o.Client, c, func(resp *friend.GetPaginationBlacksResp) {
+		a2r.List(&resp.Blacks)
+	})
 }
 
 func (o *FriendApi) RemoveBlack(c *gin.Context) {

pkg/a2r/api2rpc.go

@@ -11,10 +11,17 @@ import (
 	"google.golang.org/grpc"
 )
 
+func List[T any](val *[]T) {
+	if val != nil && *val == nil {
+		*val = []T{}
+	}
+}
+
 func Call[A, B, C any](
 	rpc func(client C, ctx context.Context, req *A, options ...grpc.CallOption) (*B, error),
 	client C,
 	c *gin.Context,
+	after ...func(resp *B),
 ) {
 	var req A
 	if err := c.BindJSON(&req); err != nil {
@@ -31,5 +38,8 @@ func Call[A, B, C any](
 		apiresp.GinError(c, err) // RPC调用失败
 		return
 	}
+	for _, fn := range after {
+		fn(data)
+	}
 	apiresp.GinSuccess(c, data) // 成功
 }