z2m working again

src/udi/config-test-2.json

@@ -100,6 +100,16 @@
         }
       }
     },
+    {
+      "topics": [ "zigbee2mqtt/+" ],
+      "handler": "Z2M",
+      "id": "Z2M",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
     {
       "topics": [ "shellyplusht/+/status/temperature:0" ],
       "handler": "SVEJ",

src/udi/dispatcher/dispatcher.go

@@ -20,7 +20,7 @@ import (
 	"udi/handlers/sver"
 
 	// "udi/handlers/ttn"
-	// "udi/handlers/z2m"
+	"udi/handlers/z2m"
 	"udi/mqtt"
 )
 
@@ -54,8 +54,8 @@ func InitDispatcher() {
 			factory = locative.New
 		case "PREP":
 			factory = prepared.New
-		// case "Z2M":
-		//	factory = z2m.New
+		case "Z2M":
+			factory = z2m.New
 		case "Car":
 			factory = car.New
 		default:

src/udi/handlers/z2m/z2m.go

@@ -0,0 +1,80 @@
+package z2m
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"strings"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
+)
+
+type Z2MHandler struct {
+	handler.CommonHandler
+	dbh *database.DatabaseHandle
+}
+
+func New(id string, config config.HandlerConfigT) handler.Handler {
+	t := &Z2MHandler{}
+	t.Id = id
+	t.dbh = database.NewDatabaseHandle()
+	log.Printf("Handler Z2M %d initialized", id)
+	return t
+}
+
+func (self *Z2MHandler) Handle(message handler.MessageT) {
+	log.Printf("Handler Z2M %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+
+	var measurement database.Measurement
+	measurement.Time = time.Now()
+
+	subTopics := strings.Split(message.Topic, "/")
+	deviceId := subTopics[1]
+	log.Printf("DeviceId: %s", deviceId)
+
+	measurement.Device = deviceId
+
+	// Parse JSON direkt in eine map
+	var jsonData map[string]interface{}
+	err := json.Unmarshal([]byte(message.Payload), &jsonData)
+	if err != nil {
+		self.Lost("Failed to parse JSON payload", err, message)
+		return
+	}
+
+	measurement.Attributes = make(map[string]interface{})
+	measurement.Values = make(map[string]database.VariableType)
+
+	// Extract device info for application naming
+	if deviceData, ok := jsonData["device"]; ok {
+		if deviceMap, ok := deviceData.(map[string]any); ok {
+			manufacturerId, hasManufacturer := deviceMap["manufacturerID"]
+			model, hasModel := deviceMap["model"]
+
+			if !hasManufacturer || !hasModel {
+				self.Lost("Missing manufacturerID or model in device data", fmt.Errorf("manufacturerID: %v, model: %v", hasManufacturer, hasModel), handler.MessageT{})
+				return
+			}
+
+			measurement.Application = "z2m_" + fmt.Sprintf("%v", manufacturerId) + "_" + model.(string)
+		}
+		delete(jsonData, "device")
+	}
+
+	// Konvertiere die restlichen Elemente in VariableType-Map
+	for key, value := range jsonData {
+		measurement.Values[key] = database.VariableType{
+			Label:    key,
+			Variable: "",
+			Unit:     "",
+			Value:    value,
+		}
+	}
+
+	measurement.Attributes["Status"] = "ok"
+	log.Printf("Prepared measurement item: %s", measurement)
+	self.dbh.StoreMeasurement(&measurement)
+	self.S()
+}