update: db, add BodyOfWater entity

app/lib/pages/marker_handler/marker_data.dart

@@ -4,6 +4,7 @@ class Measurement {
   Sensor sensor;
   List<Data> dataList;
   List<Corner> cornerList;
+  String bodyOfWater;
 
   Measurement({
     required this.measurementID,
@@ -11,6 +12,7 @@ class Measurement {
     required this.sensor,
     required this.dataList,
     required this.cornerList,
+    required this.bodyOfWater,
   });
 
   factory Measurement.Measurement(Map<String, dynamic> json) {
@@ -24,6 +26,7 @@ class Measurement {
       cornerList: (json['Corner'] as List<dynamic>)
           .map((data) => Corner.fromJson(data))
           .toList(),
+      bodyOfWater: json['WaterBodyName'],
     );
   }
 }

server/sql_db/schema.sql

@@ -2,7 +2,9 @@ CREATE TABLE Measurement (
     MeasurementID INT PRIMARY KEY,
     SensorID INT,
     TimeMeasured DATETIME,
-    FOREIGN KEY (SensorID) REFERENCES Sensor(SensorID)
+    WaterBodyName TEXT,
+    FOREIGN KEY (SensorID) REFERENCES Sensor(SensorID),
+    FOREIGN KEY (WaterBodyName) REFERENCES BodyOfWater(Name)
 );
 
 CREATE TABLE Sensor (
@@ -32,6 +34,10 @@ CREATE TABLE Corner (
     FOREIGN KEY (MeasurementID) REFERENCES Measurement(MeasurementID)
 );
 
+CREATE TABLE BodyOfWater (
+    Name TEXT PRIMARY KEY
+);
+
 INSERT INTO Sensor (SensorID, SensorType, Active) VALUES
 (1, 'LiDar', 1),
 (2, 'Magnetic', 1),
@@ -84,3 +90,6 @@ INSERT INTO Corner (CornerID, MeasurementID, CornerLatitude, CornerLongitude) VA
 (2, 3, 60.7361, 10.8471),
 (3, 3, 60.7362, 10.8472),
 (4, 3, 60.7363, 10.8473);
+
+INSERT INTO BodyOfWater(Name) VALUES
+('Mjosa');