Changeset 0.28.6 (#192)

server/handlers/notifications.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"database/sql"
 	"encoding/json"
+	"log"
 	"net/http"
 	"strconv"
 	"time"
@@ -11,6 +12,7 @@ import (
 
 	"git.gobha.me/xcaliber/chat-switchboard/events"
 	"git.gobha.me/xcaliber/chat-switchboard/models"
+	"git.gobha.me/xcaliber/chat-switchboard/notifications"
 	"git.gobha.me/xcaliber/chat-switchboard/store"
 )
 
@@ -279,3 +281,74 @@ func (h *NotificationHandler) DeletePreference(c *gin.Context) {
 
 	c.JSON(http.StatusOK, gin.H{"ok": true})
 }
+
+// ── Admin Broadcast (v0.28.6) ───────────────
+
+// POST /api/v1/admin/notifications/broadcast
+// Admin-only: sends a system.announcement notification to all active users.
+func (h *NotificationHandler) Broadcast(c *gin.Context) {
+	var req struct {
+		Title   string `json:"title" binding:"required"`
+		Message string `json:"message" binding:"required"`
+		Level   string `json:"level"` // info | warning | critical (default: info)
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	level := req.Level
+	if level == "" {
+		level = "info"
+	}
+	if level != "info" && level != "warning" && level != "critical" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "level must be info, warning, or critical"})
+		return
+	}
+
+	// Get all active user IDs
+	userIDs, err := h.stores.Users.ListActiveUserIDs(c.Request.Context())
+	if err != nil {
+		log.Printf("[broadcast] failed to list active users: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list users"})
+		return
+	}
+
+	if len(userIDs) == 0 {
+		c.JSON(http.StatusOK, gin.H{"message": "no active users", "count": 0})
+		return
+	}
+
+	// Fan out via notification service
+	svc := notifications.Default()
+	if svc == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": "notification service not available"})
+		return
+	}
+
+	template := models.Notification{
+		Type:  models.NotifTypeAnnouncement,
+		Title: req.Title,
+		Body:  req.Message,
+	}
+	svc.NotifyMany(c.Request.Context(), userIDs, template)
+
+	// Also emit a real-time WS broadcast for immediate visibility
+	if h.hub != nil {
+		payload, _ := json.Marshal(map[string]string{
+			"title":   req.Title,
+			"message": req.Message,
+			"level":   level,
+		})
+		for _, uid := range userIDs {
+			h.hub.SendToUser(uid, events.Event{
+				Label:   "system.broadcast",
+				Payload: payload,
+				Ts:      time.Now().UnixMilli(),
+			})
+		}
+	}
+
+	log.Printf("[broadcast] admin sent announcement to %d users: %s", len(userIDs), req.Title)
+	c.JSON(http.StatusOK, gin.H{"message": "broadcast sent", "count": len(userIDs)})
+}