second commit

internal/handler/api/v1/push_subscription_handler.go

@@ -0,0 +1,90 @@
+package v1
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/pkg/response"
+)
+
+// PushSubscriptionHandler handles push notification token registration/removal.
+// Reference: Chatwoot PushSubscription controller + P2B M8 spec
+type PushSubscriptionHandler struct {
+	pushSubscriptionService *service.PushSubscriptionService
+}
+
+// NewPushSubscriptionHandler creates a new PushSubscription handler with injected service.
+func NewPushSubscriptionHandler(pushSubscriptionService *service.PushSubscriptionService) *PushSubscriptionHandler {
+	return &PushSubscriptionHandler{pushSubscriptionService: pushSubscriptionService}
+}
+
+// List returns all push tokens for the current user.
+// GET /api/v1/push_subscriptions
+func (h *PushSubscriptionHandler) List(c *gin.Context) {
+	if h.pushSubscriptionService == nil {
+		response.AbortWithStatusError(c, http.StatusServiceUnavailable, response.ErrInternal, "Push subscription service not available")
+		return
+	}
+	userID := getUserID(c)
+
+	tokens, err := h.pushSubscriptionService.ListPushTokens(c.Request.Context(), userID)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "Failed to fetch push subscriptions")
+		return
+	}
+
+	response.OK(c, gin.H{"push_subscriptions": tokens})
+}
+
+// Create registers a new push token for the current user.
+// POST /api/v1/push_subscriptions
+func (h *PushSubscriptionHandler) Create(c *gin.Context) {
+	if h.pushSubscriptionService == nil {
+		response.AbortWithStatusError(c, http.StatusServiceUnavailable, response.ErrInternal, "Push subscription service not available")
+		return
+	}
+	userID := getUserID(c)
+
+	var req struct {
+		Token    string `json:"token" binding:"required"`
+		Platform string `json:"platform"`
+		DeviceID string `json:"device_id"`
+		P256DH   string `json:"p256dh"` // Web Push: client ECDH public key
+		Auth     string `json:"auth"`   // Web Push: client auth secret
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "Invalid request: token is required")
+		return
+	}
+
+	token, err := h.pushSubscriptionService.RegisterPushToken(c.Request.Context(), userID, req.Token, req.Platform, req.DeviceID, req.P256DH, req.Auth)
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "Failed to register push subscription")
+		return
+	}
+
+	response.Created(c, token)
+}
+
+// Delete removes a push token by ID.
+// DELETE /api/v1/push_subscriptions/:id
+func (h *PushSubscriptionHandler) Delete(c *gin.Context) {
+	if h.pushSubscriptionService == nil {
+		response.AbortWithStatusError(c, http.StatusServiceUnavailable, response.ErrInternal, "Push subscription service not available")
+		return
+	}
+	id, err := parseUintParam(c, "id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "Invalid push subscription ID")
+		return
+	}
+
+	if err := h.pushSubscriptionService.RemovePushToken(c.Request.Context(), id); err != nil {
+		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "Failed to remove push subscription")
+		return
+	}
+
+	response.NoContent(c)
+}