feat: монолит iot-service (Фаза 1) — config/store/api/bridge/consumer без k8s, устройства в PG, новые Dockerfile/Makefile

internal/service/api/handler/telemetry.go

@@ -0,0 +1,43 @@
+// telemetry.go — REST-чтение телеметрии из per-tenant PostgreSQL.
+//
+// Endpoint: GET /v1/namespaces/{ns}/iot/telemetry?device_id={id}&limit={n}
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"gitea.services.ngcloud.ru/Nail/IoT/internal/storage/iotpg"
+)
+
+// ListIoTTelemetry — GET /v1/namespaces/{ns}/iot/telemetry.
+func (h *Handler) ListIoTTelemetry(w http.ResponseWriter, r *http.Request) {
+	if h.IoTPG == nil {
+		writeJSON(w, http.StatusServiceUnavailable, errResp("IoT telemetry storage not configured"))
+		return
+	}
+
+	ns := pathVar(r, "namespace")
+	deviceID := r.URL.Query().Get("device_id")
+	limit := 50
+	if ls := r.URL.Query().Get("limit"); ls != "" {
+		if n, err := strconv.Atoi(ls); err == nil && n > 0 {
+			limit = n
+		}
+	}
+
+	rows, err := h.IoTPG.QueryTelemetry(r.Context(), ns, deviceID, limit)
+	if err != nil {
+		h.Log.Error("query IoT telemetry", "namespace", ns, "device", deviceID, "err", err)
+		writeJSON(w, http.StatusInternalServerError, errResp("failed to query telemetry"))
+		return
+	}
+	if rows == nil {
+		rows = []iotpg.TelemetryRow{}
+	}
+
+	writeJSON(w, http.StatusOK, map[string]any{
+		"items": rows,
+		"count": len(rows),
+	})
+}