madipo2611 6f5298d420 v0.0.3
2025-05-03 02:37:08 +03:00

99 lines
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package handlers
import (
"context"
"net/http"
"strconv"
"tailly_back_v2/internal/domain"
"tailly_back_v2/internal/service"
"tailly_back_v2/internal/ws"
"github.com/go-chi/chi/v5"
"github.com/gorilla/websocket"
)
type ChatHandler struct {
chatService service.ChatService
hub *ws.ChatHub
}
var upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool {
return true // В production заменить на проверку origin
},
}
func (h *ChatHandler) WebSocketConnection(w http.ResponseWriter, r *http.Request) {
userID, err := strconv.Atoi(chi.URLParam(r, "userID"))
if err != nil {
http.Error(w, "Invalid user ID", http.StatusBadRequest)
return
}
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
http.Error(w, "Could not open websocket connection", http.StatusBadRequest)
return
}
client := &ws.Client{
UserID: userID,
Send: make(chan *domain.Message, 256),
}
h.hub.Register(client)
// Горутина для чтения сообщений
go h.readPump(conn, client)
// Горутина для записи сообщений
go h.writePump(conn, client)
}
func (h *ChatHandler) readPump(conn *websocket.Conn, client *ws.Client) {
defer func() {
h.hub.Unregister(client)
conn.Close()
}()
for {
var msg struct {
ChatID int `json:"chatId"`
Content string `json:"content"`
}
if err := conn.ReadJSON(&msg); err != nil {
break
}
// Отправляем сообщение через сервис
message, err := h.chatService.SendMessage(
context.Background(),
client.UserID,
msg.ChatID,
msg.Content,
)
if err != nil {
// Обработка ошибки (можно отправить ошибку обратно клиенту)
continue
}
// Отправляем сообщение получателю через хаб
h.hub.Broadcast(message)
}
}
func (h *ChatHandler) writePump(conn *websocket.Conn, client *ws.Client) {
defer conn.Close()
for {
message, ok := <-client.Send
if !ok {
conn.WriteMessage(websocket.CloseMessage, []byte{})
return
}
if err := conn.WriteJSON(message); err != nil {
return
}
}
}