325 lines
12 KiB
Go
325 lines
12 KiB
Go
package handlers
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import (
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"context"
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
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"github.com/SamuelTariku/FortuneBet-Backend/internal/services/user"
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"github.com/SamuelTariku/FortuneBet-Backend/internal/web_server/ws"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/adaptor"
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"github.com/gorilla/websocket"
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"github.com/valyala/fasthttp/fasthttpadaptor"
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)
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func hijackHTTP(c *fiber.Ctx) (net.Conn, http.ResponseWriter, error) {
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var rw http.ResponseWriter
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var conn net.Conn
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// This is a trick: fasthttpadaptor gives us the HTTP interfaces
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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hj, ok := w.(http.Hijacker)
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if !ok {
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return
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}
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var err error
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conn, _, err = hj.Hijack()
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if err != nil {
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return
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}
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rw = w
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})
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fasthttpadaptor.NewFastHTTPHandler(handler)(c.Context())
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if conn == nil || rw == nil {
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return nil, nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to hijack connection")
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}
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return conn, rw, nil
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}
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func (h *Handler) ConnectSocket(c *fiber.Ctx) error {
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userID, ok := c.Locals("userID").(int64)
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if !ok || userID == 0 {
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h.logger.Error("Invalid user ID in context")
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return fiber.NewError(fiber.StatusUnauthorized, "Invalid user identification")
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}
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// Convert *fiber.Ctx to *http.Request
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req, err := adaptor.ConvertRequest(c, false)
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if err != nil {
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h.logger.Error("Failed to convert request", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to convert request")
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}
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// Create a net.Conn hijacked from the fasthttp context
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netConn, rw, err := hijackHTTP(c)
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if err != nil {
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h.logger.Error("Failed to hijack connection", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to hijack connection")
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}
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// Upgrade the connection using Gorilla's Upgrader
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conn, err := ws.Upgrader.Upgrade(rw, req, nil)
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if err != nil {
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h.logger.Error("WebSocket upgrade failed", "error", err)
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netConn.Close()
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return fiber.NewError(fiber.StatusInternalServerError, "WebSocket upgrade failed")
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}
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client := &ws.Client{
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Conn: conn,
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RecipientID: userID,
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}
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h.notificationSvc.Hub.Register <- client
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h.logger.Info("WebSocket connection established", "userID", userID)
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defer func() {
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h.notificationSvc.Hub.Unregister <- client
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h.logger.Info("WebSocket connection closed", "userID", userID)
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conn.Close()
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}()
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for {
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_, _, err := conn.ReadMessage()
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if err != nil {
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if websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
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h.logger.Info("WebSocket closed normally", "userID", userID)
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} else {
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h.logger.Warn("Unexpected WebSocket closure", "userID", userID, "error", err)
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}
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break
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}
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}
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return nil
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}
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func (h *Handler) MarkNotificationAsRead(c *fiber.Ctx) error {
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type Request struct {
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NotificationIDs []string `json:"notification_ids" validate:"required"`
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}
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var req Request
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if err := c.BodyParser(&req); err != nil {
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h.logger.Error("Failed to parse request body", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
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}
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userID, ok := c.Locals("user_id").(int64)
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if !ok || userID == 0 {
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h.logger.Error("Invalid user ID in context")
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return fiber.NewError(fiber.StatusUnauthorized, "invalid user identification")
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}
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fmt.Printf("Notification IDs: %v \n", req.NotificationIDs)
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if err := h.notificationSvc.MarkAsRead(context.Background(), req.NotificationIDs, userID); err != nil {
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h.logger.Error("Failed to mark notifications as read", "notificationID", req.NotificationIDs, "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to update notification status")
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}
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return c.Status(fiber.StatusOK).JSON(fiber.Map{"message": "Notification marked as read"})
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}
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func (h *Handler) CreateAndSendNotification(c *fiber.Ctx) error {
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type Request struct {
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RecipientID int64 `json:"recipient_id" validate:"required_if=DeliveryScheme single"`
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Type domain.NotificationType `json:"type" validate:"required"`
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Level domain.NotificationLevel `json:"level" validate:"required"`
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ErrorSeverity *domain.NotificationErrorSeverity `json:"error_severity"`
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Reciever domain.NotificationRecieverSide `json:"reciever" validate:"required"`
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DeliveryScheme domain.NotificationDeliveryScheme `json:"delivery_scheme" validate:"required"`
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DeliveryChannel domain.DeliveryChannel `json:"delivery_channel" validate:"required"`
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Payload domain.NotificationPayload `json:"payload" validate:"required"`
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Priority int `json:"priority"`
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Metadata json.RawMessage `json:"metadata,omitempty"`
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}
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var req Request
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if err := c.BodyParser(&req); err != nil {
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h.logger.Error("[NotificationSvc.CreateAndSendNotification] Failed to parse request body", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
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}
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// userID, ok := c.Locals("userID").(int64)
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// if !ok || userID == 0 {
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// h.logger.Error("[NotificationSvc.CreateAndSendNotification] Invalid user ID in context")
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// return fiber.NewError(fiber.StatusUnauthorized, "Invalid user identification")
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// }
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switch req.DeliveryScheme {
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case domain.NotificationDeliverySchemeSingle:
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// if req.Reciever == domain.NotificationRecieverSideCustomer {
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// h.logger.Warn("[NotificationSvc.CreateAndSendNotification] Unauthorized attempt to send notification", "recipientID", req.RecipientID)
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// return fiber.NewError(fiber.StatusForbidden, "Unauthorized to send notification to this recipient")
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// }
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notification := &domain.Notification{
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ID: "",
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RecipientID: req.RecipientID,
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Type: req.Type,
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Level: req.Level,
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ErrorSeverity: req.ErrorSeverity,
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Reciever: req.Reciever,
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IsRead: false,
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DeliveryStatus: domain.DeliveryStatusPending,
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DeliveryChannel: req.DeliveryChannel,
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Payload: req.Payload,
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Priority: req.Priority,
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Metadata: req.Metadata,
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}
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if err := h.notificationSvc.SendNotification(context.Background(), notification); err != nil {
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h.logger.Error("[NotificationSvc.CreateAndSendNotification] Failed to send single notification", "recipientID", req.RecipientID, "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to send notification")
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}
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h.logger.Info("[NotificationSvc.CreateAndSendNotification] Single notification sent successfully", "recipientID", req.RecipientID, "type", req.Type)
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return c.Status(fiber.StatusCreated).JSON(fiber.Map{"message": "Single notification sent successfully", "notification_id": notification.ID})
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case domain.NotificationDeliverySchemeBulk:
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recipients, _, err := h.userSvc.GetAllUsers(context.Background(), user.Filter{
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Role: string(req.Reciever),
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})
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if err != nil {
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h.logger.Error("[NotificationSvc.CreateAndSendNotification] Failed to fetch recipients for bulk notification", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch recipients")
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}
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fmt.Printf("Number of Recipients %d \n", len(recipients))
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notificationIDs := make([]string, 0, len(recipients))
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for _, user := range recipients {
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notification := &domain.Notification{
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ID: "",
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RecipientID: user.ID,
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Type: req.Type,
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Level: req.Level,
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ErrorSeverity: req.ErrorSeverity,
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Reciever: req.Reciever,
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IsRead: false,
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DeliveryStatus: domain.DeliveryStatusPending,
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DeliveryChannel: req.DeliveryChannel,
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Payload: req.Payload,
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Priority: req.Priority,
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Metadata: req.Metadata,
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}
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if err := h.notificationSvc.SendNotification(context.Background(), notification); err != nil {
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h.logger.Error("[NotificationSvc.CreateAndSendNotification] Failed to send bulk notification", "UserID", user.ID, "error", err)
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continue
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}
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notificationIDs = append(notificationIDs, notification.ID)
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}
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h.logger.Info("[NotificationSvc.CreateAndSendNotification] Bulk notification sent successfully", "recipient_count", len(recipients), "type", req.Type)
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return c.Status(fiber.StatusCreated).JSON(fiber.Map{
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"message": "Bulk notification sent successfully",
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"recipient_count": len(recipients),
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"notification_ids": notificationIDs,
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})
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default:
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h.logger.Error("[NotificationSvc.CreateAndSendNotification] Invalid delivery scheme", "delivery_scheme", req.DeliveryScheme)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid delivery scheme")
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}
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}
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func (h *Handler) GetNotifications(c *fiber.Ctx) error {
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limitStr := c.Query("limit", "10")
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offsetStr := c.Query("offset", "0")
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// Convert limit and offset to integers
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limit, err := strconv.Atoi(limitStr)
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if err != nil || limit <= 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid limit value", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid limit value")
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}
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offset, err := strconv.Atoi(offsetStr)
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if err != nil || offset < 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid offset value", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid offset value")
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}
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userID, ok := c.Locals("user_id").(int64)
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if !ok || userID == 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid user ID in context")
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return fiber.NewError(fiber.StatusUnauthorized, "Invalid user identification")
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}
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notifications, err := h.notificationSvc.ListNotifications(context.Background(), userID, limit, offset)
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if err != nil {
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h.logger.Error("[NotificationSvc.GetNotifications] Failed to fetch notifications", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch notifications")
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}
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return c.Status(fiber.StatusOK).JSON(fiber.Map{
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"notifications": notifications,
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"total_count": len(notifications),
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"limit": limit,
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"offset": offset,
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})
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}
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func (h *Handler) getAllRecipientIDs(ctx context.Context, receiver domain.NotificationRecieverSide) ([]int64, error) {
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return h.notificationSvc.ListRecipientIDs(ctx, receiver)
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}
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func (h *Handler) CountUnreadNotifications(c *fiber.Ctx) error {
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userID, ok := c.Locals("user_id").(int64)
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if !ok || userID == 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid user ID in context")
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return fiber.NewError(fiber.StatusUnauthorized, "Invalid user identification")
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}
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total, err := h.notificationSvc.CountUnreadNotifications(c.Context(), userID)
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if err != nil {
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h.logger.Error("[NotificationSvc.CountUnreadNotifications] Failed to fetch unread notification count", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch notifications")
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}
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return c.Status(fiber.StatusOK).JSON(fiber.Map{
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"unread": total,
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})
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}
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func (h *Handler) GetAllNotifications(c *fiber.Ctx) error {
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limitStr := c.Query("limit", "10")
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pageStr := c.Query("page", "1")
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// Convert limit and offset to integers
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limit, err := strconv.Atoi(limitStr)
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if err != nil || limit <= 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid limit value", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid limit value")
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}
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page, err := strconv.Atoi(pageStr)
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if err != nil || page <= 0 {
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h.logger.Error("[NotificationSvc.GetNotifications] Invalid page value", "error", err)
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return fiber.NewError(fiber.StatusBadRequest, "Invalid page value")
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}
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notifications, err := h.notificationSvc.GetAllNotifications(context.Background(), limit, ((page - 1) * limit))
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if err != nil {
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h.logger.Error("[NotificationSvc.GetNotifications] Failed to fetch notifications", "error", err)
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return fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch notifications")
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}
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return c.Status(fiber.StatusOK).JSON(fiber.Map{
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"notifications": notifications,
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"total_count": len(notifications),
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"limit": limit,
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"page": page,
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})
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}
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