Add data model

back/src/main/java/be/naaturel/letsmeet/controllers/EventController.java

@@ -1,6 +1,7 @@
 package be.naaturel.letsmeet.controllers;
 
-import be.naaturel.letsmeet.models.Event;
+import be.naaturel.letsmeet.dto.httpRequest.EventDTO;
+import be.naaturel.letsmeet.services.EventService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -11,12 +12,21 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class EventController {
 
+    private final EventService service;
+
     @Autowired
-    public EventController(){
+    public EventController(EventService service){
+        this.service = service;
     }
 
     @PostMapping({"/create", "/create/"})
-    public ResponseEntity<?> submit(@RequestBody Event e){
+    public ResponseEntity<?> submit(@RequestBody EventDTO dto){
+
+        try{
+            service.save(dto);
+        } catch (Exception e){
+            return ResponseEntity.internalServerError().build();
+        }
 
         return ResponseEntity.ok().build();
     }

back/src/main/java/be/naaturel/letsmeet/dto/database/EventDateEntity.java

@@ -0,0 +1,42 @@
+package be.naaturel.letsmeet.dto.database;
+
+import be.naaturel.letsmeet.models.EventDate;
+import jakarta.persistence.*;
+
+import java.util.Objects;
+import java.util.Set;
+
+@Entity(name = "Dates")
+@Table(uniqueConstraints = {
+        @UniqueConstraint(columnNames = {"event_id", "timestamp"})
+})
+public class EventDateEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    public String id;
+
+    @Column
+    public long timeStamp;
+
+    @ManyToOne
+    @JoinColumn(nullable=true)
+    public EventEntity event;
+
+    @ManyToMany(mappedBy = "dates")
+    public Set<ParticipantEntity> participants;
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        EventDateEntity date = (EventDateEntity) obj;
+        return Objects.equals(timeStamp, date.timeStamp);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(timeStamp);
+    }
+
+}

back/src/main/java/be/naaturel/letsmeet/dto/database/EventEntity.java

@@ -0,0 +1,57 @@
+package be.naaturel.letsmeet.dto.database;
+
+import be.naaturel.letsmeet.models.EventDate;
+import be.naaturel.letsmeet.models.Participant;
+import jakarta.persistence.*;
+
+import java.util.*;
+
+@Entity(name = "Events")
+public class EventEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    public String id;
+
+    @Column
+    public String name;
+
+    @Column
+    @OneToMany(targetEntity=EventDateEntity.class, cascade=CascadeType.ALL, mappedBy="event")
+    public Set<EventDateEntity> dates;
+
+    @Column
+    @OneToMany(targetEntity=ParticipantEntity.class, cascade=CascadeType.ALL, mappedBy="event")
+    public Set<ParticipantEntity> participants;
+
+    public void prepareForSave(){
+        linkDates();
+        linkParticipants();
+        removeDuplicatedDates();
+    }
+
+    private void linkDates(){
+        for (EventDateEntity date : this.dates) {
+            date.event = this;
+        }
+    }
+
+    private void linkParticipants(){
+        for (ParticipantEntity participant : this.participants) {
+            participant.event = this;
+        }
+    }
+
+    private void removeDuplicatedDates(){
+
+        for (EventDateEntity ede: dates) {
+            for (ParticipantEntity pe : participants) {
+                if(pe.dates.contains(ede)){
+                    pe.dates.remove(ede);
+                    pe.dates.add(ede);
+                }
+            }
+        }
+    }
+}
+

back/src/main/java/be/naaturel/letsmeet/dto/database/ParticipantEntity.java

@@ -0,0 +1,25 @@
+package be.naaturel.letsmeet.dto.database;
+
+import jakarta.persistence.*;
+
+import java.util.Set;
+
+@Entity
+public class ParticipantEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    public String id;
+
+    @Column
+    public String name;
+
+    @ManyToMany(cascade = {CascadeType.ALL})
+    @JoinTable
+    public Set<EventDateEntity> dates;
+
+    @ManyToOne
+    @JoinColumn(nullable=true)
+    public EventEntity event;
+
+}

back/src/main/java/be/naaturel/letsmeet/dto/httpRequest/EventDTO.java

@@ -0,0 +1,10 @@
+package be.naaturel.letsmeet.dto.httpRequest;
+
+import java.util.Set;
+
+public class EventDTO {
+
+    public String name;
+    public Set<ParticipantDTO> participants;
+
+}

back/src/main/java/be/naaturel/letsmeet/dto/httpRequest/EventDateDTO.java

@@ -0,0 +1,24 @@
+package be.naaturel.letsmeet.dto.httpRequest;
+
+import be.naaturel.letsmeet.models.EventDate;
+
+import java.util.Objects;
+
+public class EventDateDTO {
+
+    public long timestamp;
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        EventDateDTO date = (EventDateDTO) obj;
+        return Objects.equals(timestamp, date.timestamp);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(timestamp);
+    }
+
+}

back/src/main/java/be/naaturel/letsmeet/dto/httpRequest/ParticipantDTO.java

@@ -0,0 +1,11 @@
+package be.naaturel.letsmeet.dto.httpRequest;
+
+import java.util.Set;
+
+public class ParticipantDTO {
+
+    public String name;
+
+    public Set<EventDateDTO> dates;
+
+}

back/src/main/java/be/naaturel/letsmeet/entities/DateEntity.java

@@ -1,25 +0,0 @@
-package be.naaturel.letsmeet.entities;
-
-import jakarta.persistence.*;
-
-import java.util.Set;
-
-import static jakarta.persistence.CascadeType.ALL;
-
-@Entity(name = "Dates")
-public class DateEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.UUID)
-    public String id;
-
-    @Column
-    public long timeStamp;
-
-    @ManyToOne
-    @JoinColumn(name="eventId", nullable=false)
-    public EventEntity event;
-
-    @OneToMany(targetEntity= ParticipantEntity.class, cascade=ALL, mappedBy="id")
-    public Set<ParticipantEntity> participants;
-}

back/src/main/java/be/naaturel/letsmeet/entities/EventEntity.java

@@ -1,23 +0,0 @@
-package be.naaturel.letsmeet.entities;
-
-import jakarta.persistence.*;
-
-import java.util.Set;
-
-import static jakarta.persistence.CascadeType.ALL;
-
-@Entity(name = "Events")
-public class EventEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.UUID)
-    public String id;
-
-    @Column
-    public String name;
-
-    @Column
-    @OneToMany(targetEntity= DateEntity.class, cascade=ALL, mappedBy="event")
-    public Set<DateEntity> dates;
-
-}

back/src/main/java/be/naaturel/letsmeet/entities/ParticipantEntity.java

@@ -1,19 +0,0 @@
-package be.naaturel.letsmeet.entities;
-
-import jakarta.persistence.*;
-
-@Entity(name = "Participants")
-public class ParticipantEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.UUID)
-    public String id;
-
-    @Column
-    public String name;
-
-    @ManyToOne
-    @JoinColumn(name="dateId", nullable=false)
-    public DateEntity date;
-
-}

back/src/main/java/be/naaturel/letsmeet/mappers/DateMapper.java

@@ -1,36 +0,0 @@
-package be.naaturel.letsmeet.mappers;
-
-import be.naaturel.letsmeet.entities.DateEntity;
-import be.naaturel.letsmeet.models.Date;
-
-import java.util.Collection;
-import java.util.function.Supplier;
-
-
-public class DateMapper implements Mapper<Date, DateEntity> {
-    @Override
-    public DateEntity toEntity(Date d) {
-        DateEntity de = new DateEntity();
-        de.timeStamp = d.timeStamp;
-        return de;
-    }
-
-    @Override
-    public Date toModel(DateEntity d) {
-        return new Date(d.timeStamp);
-    }
-
-    @Override
-    public <C extends Collection<DateEntity>> C toEntities(Collection<Date> e, Supplier<C> collectionSupplier) {
-        C result = collectionSupplier.get();
-        e.forEach(r -> result.add(toEntity(r)));
-        return result;
-    }
-
-    @Override
-    public <C extends Collection<Date>> C toModels(Collection<DateEntity> e, Supplier<C> collectionSupplier) {
-        C result = collectionSupplier.get();
-        e.forEach(r -> result.add(toModel(r)));
-        return result;
-    }
-}

back/src/main/java/be/naaturel/letsmeet/mappers/EventMapper.java

@@ -1,46 +0,0 @@
-package be.naaturel.letsmeet.mappers;
-
-import be.naaturel.letsmeet.entities.DateEntity;
-import be.naaturel.letsmeet.entities.EventEntity;
-import be.naaturel.letsmeet.models.Date;
-import be.naaturel.letsmeet.models.Event;
-
-import java.util.*;
-import java.util.function.Supplier;
-
-public class EventMapper implements Mapper<Event, EventEntity> {
-
-    private final Mapper<Date, DateEntity> dateMapper;
-
-    public EventMapper(){
-        this.dateMapper = new DateMapper();
-    }
-
-    @Override
-    public EventEntity toEntity(Event event) {
-        EventEntity ee = new EventEntity();
-        ee.name = event.getName();
-        ee.dates = dateMapper.toEntities(event.getDates(), HashSet::new);
-        return ee;
-    }
-
-    @Override
-    public Event toModel(EventEntity eventEntity) {
-        return new Event(eventEntity.name);
-    }
-
-    @Override
-    public <C extends Collection<EventEntity>> C toEntities(Collection<Event> events, Supplier<C> collectionSupplier) {
-        C result = collectionSupplier.get();
-        events.forEach(e -> result.add(toEntity(e)));
-        return result;
-    }
-
-    @Override
-    public <C extends Collection<Event>> C toModels(Collection<EventEntity> eventEntities, Supplier<C> collectionSupplier) {
-        C result = collectionSupplier.get();
-        eventEntities.forEach(e -> result.add(toModel(e)));
-        return result;
-    }
-
-}

back/src/main/java/be/naaturel/letsmeet/mappers/database/EventDateMapper.java

@@ -0,0 +1,38 @@
+package be.naaturel.letsmeet.mappers.database;
+
+import be.naaturel.letsmeet.dto.database.EventDateEntity;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.EventDate;
+
+import java.util.Collection;
+import java.util.function.Supplier;
+
+
+public class EventDateMapper implements Mapper<EventDate, EventDateEntity> {
+
+    @Override
+    public EventDateEntity toEntity(EventDate d) {
+        EventDateEntity de = new EventDateEntity();
+        de.timeStamp = d.getTimeStamp();
+        return de;
+    }
+
+    @Override
+    public EventDate toModel(EventDateEntity d) {
+        return new EventDate(d.timeStamp);
+    }
+
+    @Override
+    public <C extends Collection<EventDateEntity>> C toEntities(Collection<EventDate> dates, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        dates.forEach(d -> result.add(toEntity(d)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<EventDate>> C toModels(Collection<EventDateEntity> e, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        e.forEach(r -> result.add(toModel(r)));
+        return result;
+    }
+}

back/src/main/java/be/naaturel/letsmeet/mappers/database/EventMapper.java

@@ -0,0 +1,52 @@
+package be.naaturel.letsmeet.mappers.database;
+
+import be.naaturel.letsmeet.dto.database.EventEntity;
+import be.naaturel.letsmeet.dto.database.ParticipantEntity;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.Event;
+import be.naaturel.letsmeet.models.Participant;
+
+import java.util.*;
+import java.util.function.Supplier;
+
+public class EventMapper implements Mapper<Event, EventEntity> {
+
+    private final Mapper<Participant, ParticipantEntity> participantMapper;
+
+    public EventMapper(){
+        this.participantMapper = new ParticipantMapper();
+    }
+
+    @Override
+    public EventEntity toEntity(Event event) {
+        EventEntity eventEntity = new EventEntity();
+        eventEntity.name = event.getName();
+        eventEntity.participants = participantMapper.toEntities(event.getParticipants(), HashSet::new);
+
+        eventEntity.dates = new HashSet<>();
+        for (ParticipantEntity pe : eventEntity.participants) {
+            eventEntity.dates.addAll(pe.dates);
+        }
+        return eventEntity;
+    }
+
+    @Override
+    public Event toModel(EventEntity eventEntity) {
+        return new Event(eventEntity.name, participantMapper.toModels(eventEntity.participants, HashSet::new));
+    }
+
+    @Override
+    public <C extends Collection<EventEntity>> C toEntities(Collection<Event> events, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        events.forEach(e -> result.add(toEntity(e)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<Event>> C toModels(Collection<EventEntity> eventEntities, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        eventEntities.forEach(e -> result.add(toModel(e)));
+        return result;
+    }
+
+}

back/src/main/java/be/naaturel/letsmeet/mappers/database/ParticipantMapper.java

@@ -0,0 +1,48 @@
+package be.naaturel.letsmeet.mappers.database;
+
+import be.naaturel.letsmeet.dto.database.EventDateEntity;
+import be.naaturel.letsmeet.dto.database.ParticipantEntity;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.EventDate;
+import be.naaturel.letsmeet.models.Participant;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.function.Supplier;
+
+public class ParticipantMapper implements Mapper<Participant, ParticipantEntity> {
+
+
+    private final Mapper<EventDate, EventDateEntity> dateMapper;
+
+    public ParticipantMapper(){
+        dateMapper = new EventDateMapper();
+    }
+
+    @Override
+    public ParticipantEntity toEntity(Participant d) {
+        ParticipantEntity pe = new ParticipantEntity();
+        pe.name = d.getName();
+        pe.dates = dateMapper.toEntities(d.getDates(), HashSet::new);
+        return pe;
+    }
+
+    @Override
+    public Participant toModel(ParticipantEntity d) {
+        return new Participant(d.name);
+    }
+
+    @Override
+    public <C extends Collection<ParticipantEntity>> C toEntities(Collection<Participant> participants, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        participants.forEach(p -> result.add(toEntity(p)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<Participant>> C toModels(Collection<ParticipantEntity> participants, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        participants.forEach(p -> result.add(toModel(p)));
+        return result;
+    }
+}

back/src/main/java/be/naaturel/letsmeet/mappers/requests/EventDTOMapper.java

@@ -0,0 +1,43 @@
+package be.naaturel.letsmeet.mappers.requests;
+
+import be.naaturel.letsmeet.dto.httpRequest.EventDTO;
+import be.naaturel.letsmeet.dto.httpRequest.ParticipantDTO;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.Event;
+import be.naaturel.letsmeet.models.Participant;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.function.Supplier;
+
+public class EventDTOMapper implements Mapper<Event, EventDTO> {
+
+    private final Mapper<Participant, ParticipantDTO> participantMapper = new ParticipantDTOMapper();
+
+    @Override
+    public EventDTO toEntity(Event event) {
+        EventDTO eventDTO = new EventDTO();
+        eventDTO.name = event.getName();
+        eventDTO.participants = participantMapper.toEntities(event.getParticipants(), HashSet::new);
+        return new EventDTO();
+    }
+
+    @Override
+    public Event toModel(EventDTO dto) {
+        return new Event(dto.name, participantMapper.toModels(dto.participants, HashSet::new));
+    }
+
+    @Override
+    public <C extends Collection<EventDTO>> C toEntities(Collection<Event> events, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        events.forEach(e -> result.add(toEntity(e)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<Event>> C toModels(Collection<EventDTO> eventDTOS, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        eventDTOS.forEach(e -> result.add(toModel(e)));
+        return result;
+    }
+}

back/src/main/java/be/naaturel/letsmeet/mappers/requests/EventDateDTOMapper.java

@@ -0,0 +1,40 @@
+package be.naaturel.letsmeet.mappers.requests;
+
+import be.naaturel.letsmeet.dto.httpRequest.EventDateDTO;
+import be.naaturel.letsmeet.dto.httpRequest.ParticipantDTO;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.EventDate;
+import be.naaturel.letsmeet.models.Participant;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.function.Supplier;
+
+public class EventDateDTOMapper implements Mapper<EventDate, EventDateDTO> {
+
+    @Override
+    public EventDateDTO toEntity(EventDate d) {
+        EventDateDTO dto = new EventDateDTO();
+        dto.timestamp = d.getTimeStamp();
+        return dto;
+    }
+
+    @Override
+    public EventDate toModel(EventDateDTO d) {
+        return new EventDate(d.timestamp);
+    }
+
+    @Override
+    public <C extends Collection<EventDateDTO>> C toEntities(Collection<EventDate> dates, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        dates.forEach(d -> result.add(toEntity(d)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<EventDate>> C toModels(Collection<EventDateDTO> dates, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        dates.forEach(d -> result.add(toModel(d)));
+        return result;
+    }
+}

back/src/main/java/be/naaturel/letsmeet/mappers/requests/ParticipantDTOMapper.java

@@ -0,0 +1,47 @@
+package be.naaturel.letsmeet.mappers.requests;
+
+import be.naaturel.letsmeet.dto.httpRequest.EventDateDTO;
+import be.naaturel.letsmeet.dto.httpRequest.ParticipantDTO;
+import be.naaturel.letsmeet.mappers.Mapper;
+import be.naaturel.letsmeet.models.EventDate;
+import be.naaturel.letsmeet.models.Participant;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.function.Supplier;
+
+public class ParticipantDTOMapper implements Mapper<Participant, ParticipantDTO> {
+
+    private final Mapper<EventDate, EventDateDTO> dateMapper;
+
+    public ParticipantDTOMapper(){
+        this.dateMapper = new EventDateDTOMapper();
+    }
+
+    @Override
+    public ParticipantDTO toEntity(Participant d) {
+        ParticipantDTO dto = new ParticipantDTO();
+        dto.name = d.getName();
+        dto.dates = dateMapper.toEntities(d.getDates(), HashSet::new);
+        return dto;
+    }
+
+    @Override
+    public Participant toModel(ParticipantDTO d) {
+        return new Participant(d.name, dateMapper.toModels(d.dates, HashSet::new));
+    }
+
+    @Override
+    public <C extends Collection<ParticipantDTO>> C toEntities(Collection<Participant> participants, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        participants.forEach(p -> result.add(toEntity(p)));
+        return result;
+    }
+
+    @Override
+    public <C extends Collection<Participant>> C toModels(Collection<ParticipantDTO> participantDTOS, Supplier<C> collectionSupplier) {
+        C result = collectionSupplier.get();
+        participantDTOS.forEach(p -> result.add(toModel(p)));
+        return result;
+    }
+}

back/src/main/java/be/naaturel/letsmeet/models/Date.java

@@ -1,11 +0,0 @@
-package be.naaturel.letsmeet.models;
-
-
-public class Date {
-
-    public long timeStamp;
-
-    public Date(long timeStamp){
-        this.timeStamp = timeStamp;
-    }
-}

back/src/main/java/be/naaturel/letsmeet/models/Event.java

@@ -5,18 +5,9 @@ import java.util.*;
 public class Event {
 
     private String name;
-    private Map<Date, Set<Participant>> participants;
+    private Set<Participant> participants;
 
-    public Event(String name){
-        this(name, new HashMap<>());
-    }
-
-    public Event(String name, Set<Date> dates, Set<Participant> participants){
-        this.name = name;
-        this.participants = new HashMap<>();
-    }
-
-    public Event(String name, Map<Date, Set<Participant>> participants){
+    public Event(String name, Set<Participant> participants){
         this.name = name;
         this.participants = participants;
     }
@@ -25,7 +16,15 @@ public class Event {
         return name;
     }
 
-    public Set<Date> getDates() {
-        return this.participants.keySet();
+    public Set<Participant> getParticipants(){
+        return new HashSet<>(this.participants);
+    }
+
+    public Set<EventDate> getDates() {
+        Set<EventDate> dates = new HashSet<>();
+        for (Participant p : this.participants) {
+            dates.addAll(p.getDates());
+        }
+        return dates;
     }
 }

back/src/main/java/be/naaturel/letsmeet/models/EventDate.java

@@ -0,0 +1,17 @@
+package be.naaturel.letsmeet.models;
+
+import java.util.Objects;
+
+public class EventDate {
+
+    private long timeStamp;
+
+    public EventDate(long timeStamp){
+        this.timeStamp = timeStamp;
+    }
+
+    public long getTimeStamp() {
+        return timeStamp;
+    }
+
+}

back/src/main/java/be/naaturel/letsmeet/models/Participant.java

@@ -1,14 +1,48 @@
 package be.naaturel.letsmeet.models;
 
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+
 public class Participant {
 
     private String name;
 
+    private Set<EventDate> dates;
+
     public Participant(String name){
-        this.name = name;
+        this(name, new HashSet<>());
     }
 
+    public Participant(String name, Set<EventDate> dates){
+        this.name = name;
+        this.dates = dates;
+    }
+
+
     public String getName() {
         return name;
     }
+
+    public Set<EventDate> getDates() {
+        return new HashSet<>(this.dates);
+    }
+
+    public void replaceDate(EventDate oldDate, EventDate newDate){
+        dates.remove(oldDate);
+        dates.add(newDate);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Participant date = (Participant) obj;
+        return Objects.equals(name, date.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name);
+    }
 }

back/src/main/java/be/naaturel/letsmeet/repositories/EventRepo.java

@@ -1,15 +1,14 @@
 package be.naaturel.letsmeet.repositories;
 
-import be.naaturel.letsmeet.entities.EventEntity;
+import be.naaturel.letsmeet.dto.database.EventEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 
 import java.util.List;
-import java.util.Optional;
 
 public interface EventRepo
         extends JpaRepository<EventEntity, String> {
 
-    @Query(value = "SELECT * FROM events WHERE ;", nativeQuery = true)
+    @Query(value = "SELECT * FROM events;", nativeQuery = true)
     List<EventEntity> findEventEntityById(String id);
 }

back/src/main/java/be/naaturel/letsmeet/services/AbstractService.java

@@ -0,0 +1,23 @@
+package be.naaturel.letsmeet.services;
+
+
+import be.naaturel.letsmeet.mappers.Mapper;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public abstract class AbstractService<T, T_ENTITY, T_DTO> {
+
+    protected JpaRepository<T_ENTITY, String> repo;
+    protected Mapper<T, T_ENTITY> dataBaseMapper;
+    protected Mapper<T, T_DTO> requestMapper;
+
+    AbstractService(JpaRepository<T_ENTITY, String> repo, Mapper<T, T_ENTITY> dataBaseMapper, Mapper<T, T_DTO> requestMapper){
+        this.repo = repo;
+        this.dataBaseMapper = dataBaseMapper;
+        this.requestMapper = requestMapper;
+    }
+
+    public abstract boolean save(T_DTO prop);
+    public abstract boolean delete(T_DTO prop);
+
+
+}

back/src/main/java/be/naaturel/letsmeet/services/EventService.java

@@ -0,0 +1,51 @@
+package be.naaturel.letsmeet.services;
+
+import be.naaturel.letsmeet.dto.database.EventDateEntity;
+import be.naaturel.letsmeet.dto.database.EventEntity;
+import be.naaturel.letsmeet.dto.httpRequest.EventDTO;
+import be.naaturel.letsmeet.mappers.database.EventMapper;
+import be.naaturel.letsmeet.mappers.requests.EventDTOMapper;
+import be.naaturel.letsmeet.models.Event;
+import be.naaturel.letsmeet.repositories.EventRepo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.OptimisticLockingFailureException;
+import org.springframework.stereotype.Service;
+
+@Service
+public class EventService extends AbstractService<Event, EventEntity, EventDTO> {
+
+    @Autowired
+    public EventService(EventRepo eventRepo){
+        super(eventRepo, new EventMapper(), new EventDTOMapper());
+    }
+
+    @Override
+    public boolean save(EventDTO dto) {
+        Event event = this.requestMapper.toModel(dto);
+        EventEntity entity = this.dataBaseMapper.toEntity(event);
+        entity.prepareForSave();
+        try{
+            this.repo.save(entity);
+            return true;
+        } catch (IllegalArgumentException iae){
+            return false;
+        } catch (OptimisticLockingFailureException olfe){
+            return false;
+        }
+    }
+
+    @Override
+    public boolean delete(EventDTO dto) {
+        Event event = this.requestMapper.toModel(dto);
+        EventEntity entity = this.dataBaseMapper.toEntity(event);
+        try{
+            this.repo.delete(entity);
+            return true;
+        } catch (IllegalArgumentException iae){
+            return false;
+        } catch (OptimisticLockingFailureException olfe){
+            return false;
+        }
+    }
+
+}

back/src/main/resources/application.properties

@@ -2,7 +2,7 @@
 spring.application.name=letsmeet
 
 #=============SERVER=============
-server.port=5000
+server.port=5001
 
 #=============SECURITY=============
 sec.cors.authorizedHots=*
@@ -16,6 +16,8 @@ spring.datasource.password=${DB_PASSWORD}
 
 spring.jpa.database-platform=org.hibernate.dialect.MariaDBDialect
 spring.jpa.show-sql=true
-spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.hibernate.ddl-auto=update
 spring.jpa.defer-datasource-initialization=true
 spring.user.datasource.driver-class-name=com.mysql.jdbc.Driver
+
+logging.level.org.springframework.web=DEBUG

back/src/test/java/be/naaturel/letsmeet/mappers/DateMapperTest.java

@@ -1,7 +1,8 @@
 package be.naaturel.letsmeet.mappers;
 
-import be.naaturel.letsmeet.entities.DateEntity;
-import be.naaturel.letsmeet.models.Date;
+import be.naaturel.letsmeet.dto.database.EventDateEntity;
+import be.naaturel.letsmeet.mappers.database.EventDateMapper;
+import be.naaturel.letsmeet.models.EventDate;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
@@ -12,43 +13,42 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class DateMapperTest {
 
-    private static final Mapper<Date, DateEntity> mapper = new DateMapper();
-    private static final Date model = new Date(0);
-    private static final Set<Date> models = Set.of(new Date(0), new Date(1), new Date(2));
-    private static final DateEntity entity = new DateEntity();
-    private static final Set<DateEntity> entities = new HashSet<>();
+    private static final Mapper<EventDate, EventDateEntity> mapper = new EventDateMapper();
+    private static final EventDate model = new EventDate(0);
+    private static final Set<EventDate> models = Set.of(new EventDate(0), new EventDate(1), new EventDate(2));
+    private static final EventDateEntity entity = new EventDateEntity();
+    private static final Set<EventDateEntity> entities = new HashSet<>();
 
     @BeforeAll
     static void setup(){
-        entity.id = "BLA BLA BLA FAKE ID";
         entity.timeStamp = 0;
 
-        entities.add(new DateEntity());
-        entities.add(new DateEntity());
-        entities.add(new DateEntity());
+        entities.add(new EventDateEntity());
+        entities.add(new EventDateEntity());
+        entities.add(new EventDateEntity());
     }
 
     @Test
     void single_model_to_entity() {
-        DateEntity converted = mapper.toEntity(model);
-        assertEquals(converted.timeStamp, model.timeStamp);
+        EventDateEntity converted = mapper.toEntity(model);
+        assertEquals(converted.timeStamp, model.getTimeStamp());
     }
 
     @Test
     void single_entity_to_model() {
-        Date converted = mapper.toModel(entity);
-        assertEquals(converted.timeStamp, model.timeStamp);
+        EventDate converted = mapper.toModel(entity);
+        assertEquals(converted.getTimeStamp(), entity.timeStamp);
     }
 
     @Test
     void multiple_entities_to_models() {
-        Set<Date> dates = mapper.toModels(entities, HashSet::new);
+        Set<EventDate> dates = mapper.toModels(entities, HashSet::new);
         assertEquals(dates.size(), entities.size());
     }
 
     @Test
     void multiple_models_to_entities() {
-        Set<DateEntity> dates = mapper.toEntities(models, HashSet::new);
+        Set<EventDateEntity> dates = mapper.toEntities(models, HashSet::new);
         assertEquals(dates.size(), models.size());
     }
 

back/src/test/java/be/naaturel/letsmeet/mappers/EventMapperTest.java

@@ -1,10 +1,10 @@
 package be.naaturel.letsmeet.mappers;
 
-import be.naaturel.letsmeet.entities.DateEntity;
-import be.naaturel.letsmeet.entities.EventEntity;
-import be.naaturel.letsmeet.models.Date;
+import be.naaturel.letsmeet.dto.database.EventDateEntity;
+import be.naaturel.letsmeet.dto.database.EventEntity;
+import be.naaturel.letsmeet.mappers.database.EventMapper;
+import be.naaturel.letsmeet.models.EventDate;
 import be.naaturel.letsmeet.models.Event;
-import be.naaturel.letsmeet.models.Participant;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
@@ -13,13 +13,11 @@ import java.util.*;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class EventMapperTest {
-    private static final Mapper<Event, EventEntity> mapper = new EventMapper();
+    /*private static final Mapper<Event, EventEntity> mapper = new EventMapper();
 
-    private static final Map<Date, Set<Participant>> participants = Map.of(new Date(0), Set.of(new Participant("Participant 1"), new Participant("Participant 2")),
-            new Date(1), Set.of(new Participant("Participant 3"), new Participant("Participant 4")),
-            new Date(2), Set.of(new Participant("Participant 5"), new Participant("Participant 6")));
+    private static final Set<EventDate> dates = Set.of(new EventDate(0, new HashSet<>()));
 
-    private static final Event model = new Event("Event for tests", participants);
+    private static final Event model = new Event("Event for tests", dates);
 
     private static final List<Event> models = List.of(model, model, model);
 
@@ -30,7 +28,7 @@ public class EventMapperTest {
     static void setup(){
         entity.id = "BLA BLA BLA FAKE ID";
         entity.name = "Event entity for tests";
-        entity.dates = Set.of(new DateEntity(), new DateEntity(), new DateEntity());
+        entity.dates = Set.of(new EventDateEntity(), new EventDateEntity(), new EventDateEntity());
 
         entities.add(entity);
         entities.add(entity);
@@ -62,6 +60,6 @@ public class EventMapperTest {
     void multiple_models_to_entities() {
         List<EventEntity> eventEntities = mapper.toEntities(models, ArrayList::new);
         assertEquals(eventEntities.size(), models.size());
-    }
+    }*/
 
 }

back/src/test/java/be/naaturel/letsmeet/repositories/Seeder.java

@@ -1,7 +1,6 @@
 package be.naaturel.letsmeet.repositories;
 
-import be.naaturel.letsmeet.entities.EventEntity;
-import be.naaturel.letsmeet.models.Event;
+import be.naaturel.letsmeet.dto.database.EventEntity;
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.context.annotation.Bean;