Everything should be implemented

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

@@ -7,4 +7,6 @@ import org.springframework.data.repository.query.Param;
 public interface ConditionRepository<T extends Condition<?>> extends CrudRepository<T, Long> {
 
     List<T> findAllByDeviceId(@Param("deviceId") long deviceId);
+
+    List<T> findAllByAutomationId(@Param("automationId") long automationId);
 }

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

@@ -5,6 +5,7 @@ import static ch.usi.inf.sa4.sanmarinoes.smarthut.utils.Utils.toList;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.error.NotFoundException;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.socket.SensorSocketEndpoint;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
@@ -22,6 +23,7 @@ public class DeviceService {
     @Autowired private SceneRepository sceneRepository;
     @Autowired private SceneService sceneService;
     @Autowired private TriggerRepository<Trigger<? extends Device>> triggerRepository;
+    @Autowired private ConditionRepository<Condition<? extends Device>> conditionRepository;
     @Autowired private RoomRepository roomRepository;
     @Autowired private EagerUserRepository userRepository;
     @Autowired private SensorSocketEndpoint endpoint;
@@ -43,12 +45,75 @@ public class DeviceService {
 
         final long deviceId = device.getId();
 
+        // find the conditions that this device state change is triggering
+        List<Condition<? extends Device>> triggeredConditions =
+                conditionRepository
+                        .findAllByDeviceId(deviceId)
+                        .stream()
+                        .filter(Condition::triggered)
+                        .collect(Collectors.toList());
+
+        List<Automation> automationsWithMetConditions = new ArrayList<>();
+
+        // this condition is connected to an automation obviously, and this automation might be
+        // connected to many other conditions, I need to find them all and make sure all of them are
+        // in their "TRUE" state.
+        // if that's the case I need to remember that this automation needs to be triggered
+        for (Condition<? extends Device> condition : triggeredConditions) {
+
+            Automation a =
+                    automationRepository
+                            .findById(condition.getAutomationId())
+                            .orElseThrow(IllegalStateException::new);
+            List<Condition<? extends Device>> conditions =
+                    conditionRepository.findAllByAutomationId(a.getId());
+
+            if (conditions.size()
+                    == conditions
+                            .stream()
+                            .filter(Condition::triggered)
+                            .collect(Collectors.toList())
+                            .size()) {
+                automationsWithMetConditions.add(a);
+            }
+        }
+
         List<Trigger<? extends Device>> triggers = triggerRepository.findAllByDeviceId(deviceId);
 
-        triggers.stream()
+        // these are all the automations that are triggered, now I need to check if they are
-                .filter(Trigger::triggered)
+        // associated
-                .map(Trigger::getAutomationId)
+        // with some conditions, if they are I need to check that they are present also in the
-                .map(t -> automationRepository.findById(t).orElseThrow(IllegalStateException::new))
+        // automationsToTrigger list.
+        // there are two cases:
+        // 1. this automation has been triggered and it is not connected to any condition, therefore
+        // this can be kept in the list
+        // 2. this automation has been triggered, it is connected to one or more conditions, but it
+        // is not present in the automationsToTrigger list, therefore it has to be discarded
+        List<Automation> triggeredAutomationsTMP =
+                triggers.stream()
+                        .filter(Trigger::triggered)
+                        .map(Trigger::getAutomationId)
+                        .map(
+                                t ->
+                                        automationRepository
+                                                .findById(t)
+                                                .orElseThrow(IllegalStateException::new))
+                        .distinct()
+                        .collect(Collectors.toList());
+
+        List<Automation> triggeredAutomations = new ArrayList<>();
+        for (Automation a : triggeredAutomationsTMP) {
+            if (conditionRepository.findAllByAutomationId(a.getId()).size() > 0) {
+                if (automationsWithMetConditions.contains(a)) {
+                    triggeredAutomations.add(a);
+                }
+            } else {
+                triggeredAutomations.add(a);
+            }
+        }
+
+        triggeredAutomations
+                .stream()
                 .distinct()
                 .map(Automation::getScenes)
                 .flatMap(Collection::stream)
@@ -126,7 +191,9 @@ public class DeviceService {
             throws NotFoundException {
         final User currentUser = userRepository.findByUsername(guestUsername);
         final User host = userRepository.findById(hostId).orElseThrow(NotFoundException::new);
-        if (!host.getGuests().contains(currentUser)) throw new NotFoundException();
+        if (!host.getGuests().contains(currentUser)) {
+            throw new NotFoundException();
+        }
         renameIfDuplicate(device, host.getUsername());
 
         device = deviceRepository.save(device);