feat: 接入论坛奖励 outbox 链路

backend/gateway/forumapi/handler.go

@@ -14,7 +14,12 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-const requestTimeout = 2 * time.Second
+const (
+	requestTimeout          = 2 * time.Second
+	forumLikeRewardAmount   = int64(1)
+	forumImportRewardAmount = int64(5)
+	rewardHintStatusActive  = "rule_active"
+)
 
 type ForumClient interface {
 	ListPosts(ctx context.Context, actorUserID uint64, page int, pageSize int, sort string, keyword string, tag string) ([]contracts.ForumPostBrief, contracts.PageResult, error)
@@ -220,8 +225,8 @@ func (h *Handler) LikePost(c *gin.Context) {
 		LikeCount: counters.LikeCount,
 		RewardHint: &rewardHint{
 			Receiver: "author",
-			Status:   "recorded",
-			Amount:   1,
+			Status:   rewardHintStatusActive,
+			Amount:   forumLikeRewardAmount,
 		},
 	}))
 }
@@ -369,8 +374,8 @@ func (h *Handler) ImportPost(c *gin.Context) {
 		ImportCount:    result.ImportCount,
 		RewardHint: rewardHint{
 			Receiver: "author",
-			Status:   "recorded",
-			Amount:   2,
+			Status:   rewardHintStatusActive,
+			Amount:   forumImportRewardAmount,
 		},
 		NextAction: nextAction{
 			Type:        "open_task_class",

backend/gateway/tokenstore/client.go

@@ -217,6 +217,25 @@ func (c *Client) ListGrants(ctx context.Context, req tokencontracts.ListTokenGra
 	return tokenGrantsFromPB(resp.Items), pageFromPB(resp.Page), nil
 }
 
+func (c *Client) RecordForumRewardGrant(ctx context.Context, req tokencontracts.RecordForumRewardGrantRequest) (*tokencontracts.TokenGrantView, error) {
+	if err := c.ensureReady(); err != nil {
+		return nil, err
+	}
+	resp, err := c.rpc.RecordForumRewardGrant(ctx, &pb.RecordForumRewardGrantRequest{
+		EventId:        req.EventID,
+		ReceiverUserId: req.ReceiverUserID,
+		Source:         req.Source,
+		SourceRefId:    req.SourceRefID,
+	})
+	if err != nil {
+		return nil, responseFromRPCError(err)
+	}
+	if resp == nil {
+		return nil, errors.New("tokenstore zrpc service returned empty record forum reward grant response")
+	}
+	return tokenGrantFromPB(resp.Grant), nil
+}
+
 func (c *Client) ensureReady() error {
 	if c == nil || c.rpc == nil {
 		return errors.New("tokenstore zrpc client is not initialized")