feat: 基本广播服务

- 由Hub接收/push/{topic}的请求并解析信息体广播到对应的Client

interval/server/api/handler/push.go

@@ -2,25 +2,28 @@ package handler
 
 import (
 	"encoding/json"
+	"log"
 	"net/http"
-	"time"
 
-	"git.jinshen.cn/remilia/push-server/interval/server/api/dto"
-	"git.jinshen.cn/remilia/push-server/interval/server/model"
+	"git.jinshen.cn/remilia/push-server/interval/protocol"
 	"git.jinshen.cn/remilia/push-server/interval/server/ws"
 	"github.com/go-chi/chi/v5"
 )
 
+type PublishRequest struct {
+	Content string `json:"content"`
+}
+
 func PushHandler(hub *ws.Hub) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		topicStr := chi.URLParam(r, "topic")
-		topic := model.Topic(topicStr)
+		topic := protocol.Topic(topicStr)
 		if !topic.Valid() {
 			http.Error(w, "invalid topic", http.StatusBadRequest)
 			return
 		}
 
-		var req dto.PublishRequest
+		var req PublishRequest
 		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
 			http.Error(w, "invalid request body", http.StatusBadRequest)
 			return
@@ -30,12 +33,14 @@ func PushHandler(hub *ws.Hub) http.HandlerFunc {
 			return
 		}
 
-		msg := model.Message{
-			Topic:     topic,
-			Content:   []byte(req.Content),
-			Timestamp: time.Now().Unix(),
+		msg := protocol.BroadcastMessage{
+			Type:    protocol.MsgBroadcast,
+			Topic:   topic,
+			Payload: json.RawMessage(req.Content),
 		}
 
+		log.Printf("Received push request for topic %s: %s", topic, req.Content)
+
 		if err := hub.BroadcastMessage(r.Context(), msg); err != nil {
 			http.Error(w, "request cancelled", http.StatusRequestTimeout)
 			return