add first scripts to get water levels.

scripts/getlevel-wsv.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# see https://www.pegelonline.wsv.de/webservice/guideRestapi
+
+JSONFILE="/tmp/pegel-wsv.json"
+AQHOME_TOOL="./aqhome-tool.sh"
+# AQHOME_TOOL="/usr/local/bin/aqhome-tool"
+
+
+
+STATION_ID="$1"
+WATER_NAME="$2"
+LOCATION="$3"
+
+
+if test -z "$STATION_ID"; then
+  echo "Usage: $0 STATION_ID WATER_NAME LOCATION"
+  exit 1;
+fi
+
+if test -z "$WATER_NAME"; then
+  echo "Usage: $0 STATION_ID WATER_NAME LOCATION"
+  exit 1;
+fi
+
+if test -z "$LOCATION"; then
+  echo "Usage: $0 STATION_ID WATER_NAME LOCATION"
+  exit 1;
+fi
+
+#
+# b475386c-30cc-453a-b3b7-1d17ace13595 for Aller at Celle
+#
+if ( curl -s -S https://www.pegelonline.wsv.de/webservices/rest-api/v2/stations/$STATION_ID/W/currentmeasurement.json -o $JSONFILE ); then
+  $AQHOME_TOOL addjsondata -J $JSONFILE -c pegel -d ""$WATER_NAME/$LOCATION"" -N "current" -v "@value" -U "cm"
+fi
+