implemented user story 1 for thermmostat, a test is not passing

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/ThermostatController.java

@@ -30,6 +30,8 @@ public class ThermostatController {
         newT.setRoomId(t.getRoomId());
         newT.setUseExternalSensors(t.isUseExternalSensors());
         newT.setOn(false);
+        newT.setErr(t.getErr());
+        newT.setTypical(newT.getTypical());
 
         thermostatService.populateMeasuredTemperature(newT);
         newT = thermostatRepository.save(newT);

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/dto/ThermostatSaveRequest.java

@@ -26,4 +26,9 @@ public class ThermostatSaveRequest {
 
     /** State of this thermostat */
     @NotNull private boolean turnOn;
+
+    /** The value of the error according to this value */
+    @NotNull private BigDecimal err = new BigDecimal(1);
+
+    private BigDecimal typical;
 }

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java

@@ -79,6 +79,13 @@ public class Thermostat extends Switchable implements BooleanTriggerable {
 
     @Column private boolean useExternalSensors = false;
 
+    /** The value of the error according to this value */
+    @Column(nullable = false, precision = 11, scale = 1)
+    private BigDecimal err;
+
+    @Column(nullable = true, precision = 11, scale = 1)
+    private BigDecimal typical;
+
     /** Creates a thermostat with a temperature sensor and its initial OFF state */
     public Thermostat() {
         super("thermostat");
@@ -97,6 +104,22 @@ public class Thermostat extends Switchable implements BooleanTriggerable {
         return sb.toString();
     }
 
+    public BigDecimal getErr() {
+        return err;
+    }
+
+    public void setErr(BigDecimal err) {
+        this.err = err;
+    }
+
+    public BigDecimal getTypical() {
+        return typical;
+    }
+
+    public void setTypical(BigDecimal typical) {
+        this.typical = typical;
+    }
+
     public void setMode(Mode state) {
         this.mode = state;
     }

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/ThermostatService.java

@@ -1,6 +1,7 @@
 package ch.usi.inf.sa4.sanmarinoes.smarthut.service;
 
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.Sensor;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.Sensor.SensorType;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.Thermostat;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.ThermostatRepository;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.socket.SensorSocketEndpoint;
@@ -8,6 +9,7 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.utils.Utils;
 import java.math.BigDecimal;
 import java.util.List;
 import java.util.Optional;
+import java.util.Random;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -35,11 +37,23 @@ public class ThermostatService {
     }
 
     private void randomJitter(Thermostat thermostat) {
-        updateValueForThermostat(
-                thermostat,
-                Sensor.TYPICAL_VALUES
-                        .get(Sensor.SensorType.TEMPERATURE)
-                        .multiply(BigDecimal.valueOf(0.975 + Math.random() / 20)));
+
+        double x;
+        Random ran = new Random();
+        ;
+        if (thermostat.getTypical() == null) {
+            BigDecimal typical = Sensor.TYPICAL_VALUES.get(SensorType.TEMPERATURE);
+
+            x = (ran.nextInt(typical.intValue()) + thermostat.getErr().intValue()) * 0.975 + 1;
+
+        } else {
+            x =
+                    (ran.nextInt(thermostat.getTypical().intValue())
+                                            + thermostat.getErr().intValue())
+                                    * 0.975
+                            + 1;
+        }
+        updateValueForThermostat(thermostat, new BigDecimal(x));
     }
 
     private void updateValueForThermostat(Thermostat thermostat, BigDecimal value) {