static parse function

src/udi/handlers/z2m/models/wsdcgq11lm/wsdcgq11lm.go

@@ -0,0 +1,48 @@
+package wsdcgq11lm
+
+import (
+  //"log"
+  "fmt"
+  "reflect"
+  "encoding/json"
+  "udi/database"
+)
+
+type Observation struct {
+  LinkQuality uint8 `unit:"" json:"linkquality"`
+  Battery uint8 `unit:"%" json:"battery"`
+  Humidity float32 `unit:"%H" json:"humidity"`
+  Pressure float32 `unit:"mbar" json:"pressure"`
+  Temperature float32 `unit:"°C" json:"temperature"`
+  Voltage uint16 `unit:"mV" json:"voltage"`
+}
+
+
+func Parse(payload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, _ *database.Device) error {
+  var observation Observation
+  err := json.Unmarshal([]byte(payload), &observation)
+  if err != nil {
+    return fmt.Errorf("Unable to parse payload into Observation struct: %v, %s", err, payload)
+  }
+
+  observationType := reflect.TypeOf(observation)
+  observationValue := reflect.ValueOf(observation)
+
+  for i := 0; i < observationType.NumField(); i++ {
+    field := observationType.Field(i)
+    name := field.Name
+    unit := field.Tag.Get("unit")
+    value := observationValue.Field(i).Interface()
+
+    (*variables)[name] = database.VariableType {
+      Label: name,
+      Variable: "y",
+      Unit: unit,
+      Value: value,
+    }
+  }
+
+  (*attributes)["Status"] = "ok"
+
+  return nil
+}