patient entity-class and functionality implemented

src/main/java/org/example/projektarendehantering/application/service/CaseMapper.java

@@ -14,7 +14,8 @@ public CaseDTO toDTO(CaseEntity entity) {
                 entity.getStatus(),
                 entity.getTitle(),
                 entity.getDescription(),
-                entity.getCreatedAt()
+                entity.getCreatedAt(),
+                entity.getPatient() != null ? entity.getPatient().getId() : null
         );
     }
 

src/main/java/org/example/projektarendehantering/application/service/CaseService.java

@@ -2,9 +2,13 @@
 
 import org.example.projektarendehantering.infrastructure.persistence.CaseEntity;
 import org.example.projektarendehantering.infrastructure.persistence.CaseRepository;
+import org.example.projektarendehantering.infrastructure.persistence.PatientEntity;
+import org.example.projektarendehantering.infrastructure.persistence.PatientRepository;
 import org.example.projektarendehantering.presentation.dto.CaseDTO;
+import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.server.ResponseStatusException;
 
 import java.time.Instant;
 import java.util.List;
@@ -17,15 +21,23 @@ public class CaseService {
 
     private final CaseRepository caseRepository;
     private final CaseMapper caseMapper;
+    private final PatientRepository patientRepository;
 
-    public CaseService(CaseRepository caseRepository, CaseMapper caseMapper) {
+    public CaseService(CaseRepository caseRepository, CaseMapper caseMapper, PatientRepository patientRepository) {
         this.caseRepository = caseRepository;
         this.caseMapper = caseMapper;
+        this.patientRepository = patientRepository;
     }
 
     @Transactional
     public CaseDTO createCase(CaseDTO caseDTO) {
+        if (caseDTO.getPatientId() == null) {
+            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "patientId is required");
+        }
         CaseEntity entity = caseMapper.toEntity(caseDTO);
+        PatientEntity patient = patientRepository.findById(caseDTO.getPatientId())
+                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Patient not found"));
+        entity.setPatient(patient);
         if (entity.getStatus() == null) {
             entity.setStatus("OPEN");
         }
@@ -47,4 +59,11 @@ public List<CaseDTO> getAllCases() {
                 .map(caseMapper::toDTO)
                 .collect(Collectors.toList());
     }
+
+    @Transactional(readOnly = true)
+    public List<CaseDTO> getCasesForPatient(UUID patientId) {
+        return caseRepository.findAllByPatient_Id(patientId).stream()
+                .map(caseMapper::toDTO)
+                .collect(Collectors.toList());
+    }
 }

src/main/java/org/example/projektarendehantering/application/service/PatientMapper.java

@@ -0,0 +1,30 @@
+package org.example.projektarendehantering.application.service;
+
+import org.example.projektarendehantering.infrastructure.persistence.PatientEntity;
+import org.example.projektarendehantering.presentation.dto.PatientCreateDTO;
+import org.example.projektarendehantering.presentation.dto.PatientDTO;
+import org.springframework.stereotype.Component;
+
+@Component
+public class PatientMapper {
+
+    public PatientDTO toDTO(PatientEntity entity) {
+        if (entity == null) return null;
+        return new PatientDTO(
+                entity.getId(),
+                entity.getFirstName(),
+                entity.getLastName(),
+                entity.getCreatedAt()
+        );
+    }
+
+    public PatientEntity toEntity(PatientCreateDTO dto) {
+        if (dto == null) return null;
+        PatientEntity entity = new PatientEntity();
+        entity.setFirstName(dto.getFirstName());
+        entity.setLastName(dto.getLastName());
+        entity.setPersonalIdentityNumber(dto.getPersonalIdentityNumber());
+        return entity;
+    }
+}
+

src/main/java/org/example/projektarendehantering/application/service/PatientService.java

@@ -0,0 +1,55 @@
+package org.example.projektarendehantering.application.service;
+
+import org.example.projektarendehantering.infrastructure.persistence.PatientEntity;
+import org.example.projektarendehantering.infrastructure.persistence.PatientRepository;
+import org.example.projektarendehantering.presentation.dto.PatientCreateDTO;
+import org.example.projektarendehantering.presentation.dto.PatientDTO;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.time.Instant;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@Service
+public class PatientService {
+
+    private final PatientRepository patientRepository;
+    private final PatientMapper patientMapper;
+
+    public PatientService(PatientRepository patientRepository, PatientMapper patientMapper) {
+        this.patientRepository = patientRepository;
+        this.patientMapper = patientMapper;
+    }
+
+    @Transactional
+    public PatientDTO createPatient(PatientCreateDTO patientDTO) {
+        PatientEntity entity = patientMapper.toEntity(patientDTO);
+        entity.setId(UUID.randomUUID());
+        entity.setCreatedAt(Instant.now());
+        if (entity.getPersonalIdentityNumber() != null && !entity.getPersonalIdentityNumber().isBlank()) {
+            patientRepository.findByPersonalIdentityNumber(entity.getPersonalIdentityNumber())
+                    .ifPresent(existing -> {
+                        throw new ResponseStatusException(HttpStatus.CONFLICT, "Patient with personalIdentityNumber already exists");
+                    });
+        }
+        return patientMapper.toDTO(patientRepository.save(entity));
+    }
+
+    @Transactional(readOnly = true)
+    public Optional<PatientDTO> getPatient(UUID id) {
+        return patientRepository.findById(id).map(patientMapper::toDTO);
+    }
+
+    @Transactional(readOnly = true)
+    public List<PatientDTO> getAllPatients() {
+        return patientRepository.findAll().stream()
+                .map(patientMapper::toDTO)
+                .collect(Collectors.toList());
+    }
+}
+

src/main/java/org/example/projektarendehantering/common/Actor.java

@@ -3,4 +3,6 @@
 import java.util.UUID;
 
 public record Actor(UUID userId, Role role) {
+
+
 }

src/main/java/org/example/projektarendehantering/infrastructure/persistence/CaseEntity.java

@@ -1,7 +1,6 @@
 package org.example.projektarendehantering.infrastructure.persistence;
 
 import jakarta.persistence.*;
-
 import java.time.Instant;
 import java.util.UUID;
 
@@ -18,15 +17,20 @@ public class CaseEntity {
     private String description;
     private Instant createdAt;
 
+    @ManyToOne(optional = false)
+    @JoinColumn(name = "patient_id", nullable = false)
+    private PatientEntity patient;
+
     public CaseEntity() {}
 
-    public CaseEntity(UUID id, String status, UUID ownerId, String title, String description, Instant createdAt) {
+    public CaseEntity(UUID id, String status, UUID ownerId, String title, String description, Instant createdAt, PatientEntity patient) {
         this.id = id;
         this.status = status;
         this.ownerId = ownerId;
         this.title = title;
         this.description = description;
         this.createdAt = createdAt;
+        this.patient = patient;
     }
 
     public UUID getId() { return id; }
@@ -46,4 +50,7 @@ public CaseEntity(UUID id, String status, UUID ownerId, String title, String des
 
     public Instant getCreatedAt() { return createdAt; }
     public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+
+    public PatientEntity getPatient() { return patient; }
+    public void setPatient(PatientEntity patient) { this.patient = patient; }
 }

src/main/java/org/example/projektarendehantering/infrastructure/persistence/CaseRepository.java

@@ -1,7 +1,10 @@
 package org.example.projektarendehantering.infrastructure.persistence;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
 import java.util.UUID;
 
 public interface CaseRepository extends JpaRepository<CaseEntity, UUID> {
+    List<CaseEntity> findAllByPatient_Id(UUID patientId);
 }

src/main/java/org/example/projektarendehantering/infrastructure/persistence/PatientEntity.java

@@ -0,0 +1,49 @@
+package org.example.projektarendehantering.infrastructure.persistence;
+
+import jakarta.persistence.*;
+
+import java.time.Instant;
+import java.util.UUID;
+
+@Entity
+@Table(name = "patients")
+public class PatientEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private UUID id;
+
+    private String firstName;
+    private String lastName;
+
+    @Column(unique = true)
+    private String personalIdentityNumber;
+
+    private Instant createdAt;
+
+    public PatientEntity() {}
+
+    public PatientEntity(UUID id, String firstName, String lastName, String personalIdentityNumber, Instant createdAt) {
+        this.id = id;
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.personalIdentityNumber = personalIdentityNumber;
+        this.createdAt = createdAt;
+    }
+
+    public UUID getId() { return id; }
+    public void setId(UUID id) { this.id = id; }
+
+    public String getFirstName() { return firstName; }
+    public void setFirstName(String firstName) { this.firstName = firstName; }
+
+    public String getLastName() { return lastName; }
+    public void setLastName(String lastName) { this.lastName = lastName; }
+
+    public String getPersonalIdentityNumber() { return personalIdentityNumber; }
+    public void setPersonalIdentityNumber(String personalIdentityNumber) { this.personalIdentityNumber = personalIdentityNumber; }
+
+    public Instant getCreatedAt() { return createdAt; }
+    public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+}
+

src/main/java/org/example/projektarendehantering/infrastructure/persistence/PatientRepository.java

@@ -0,0 +1,11 @@
+package org.example.projektarendehantering.infrastructure.persistence;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+import java.util.UUID;
+
+public interface PatientRepository extends JpaRepository<PatientEntity, UUID> {
+    Optional<PatientEntity> findByPersonalIdentityNumber(String personalIdentityNumber);
+}
+

src/main/java/org/example/projektarendehantering/presentation/dto/CaseDTO.java

@@ -1,5 +1,7 @@
 package org.example.projektarendehantering.presentation.dto;
 
+import jakarta.validation.constraints.NotNull;
+
 import java.time.Instant;
 import java.util.UUID;
 
@@ -11,14 +13,18 @@ public class CaseDTO {
     private String description;
     private Instant createdAt;
 
+    @NotNull
+    private UUID patientId;
+
     public CaseDTO() {}
 
-    public CaseDTO(UUID id, String status, String title, String description, Instant createdAt) {
+    public CaseDTO(UUID id, String status, String title, String description, Instant createdAt, UUID patientId) {
         this.id = id;
         this.status = status;
         this.title = title;
         this.description = description;
         this.createdAt = createdAt;
+        this.patientId = patientId;
     }
 
     public UUID getId() { return id; }
@@ -35,4 +41,7 @@ public CaseDTO(UUID id, String status, String title, String description, Instant
 
     public Instant getCreatedAt() { return createdAt; }
     public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+
+    public UUID getPatientId() { return patientId; }
+    public void setPatientId(UUID patientId) { this.patientId = patientId; }
 }

src/main/java/org/example/projektarendehantering/presentation/dto/PatientCreateDTO.java

@@ -0,0 +1,32 @@
+package org.example.projektarendehantering.presentation.dto;
+
+import jakarta.validation.constraints.NotBlank;
+
+public class PatientCreateDTO {
+
+    @NotBlank
+    private String firstName;
+
+    @NotBlank
+    private String lastName;
+
+    private String personalIdentityNumber;
+
+    public PatientCreateDTO() {}
+
+    public PatientCreateDTO(String firstName, String lastName, String personalIdentityNumber) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.personalIdentityNumber = personalIdentityNumber;
+    }
+
+    public String getFirstName() { return firstName; }
+    public void setFirstName(String firstName) { this.firstName = firstName; }
+
+    public String getLastName() { return lastName; }
+    public void setLastName(String lastName) { this.lastName = lastName; }
+
+    public String getPersonalIdentityNumber() { return personalIdentityNumber; }
+    public void setPersonalIdentityNumber(String personalIdentityNumber) { this.personalIdentityNumber = personalIdentityNumber; }
+}
+

src/main/java/org/example/projektarendehantering/presentation/dto/PatientDTO.java

@@ -0,0 +1,41 @@
+package org.example.projektarendehantering.presentation.dto;
+
+import jakarta.validation.constraints.NotBlank;
+
+import java.time.Instant;
+import java.util.UUID;
+
+public class PatientDTO {
+
+    private UUID id;
+
+    @NotBlank
+    private String firstName;
+
+    @NotBlank
+    private String lastName;
+
+    private Instant createdAt;
+
+    public PatientDTO() {}
+
+    public PatientDTO(UUID id, String firstName, String lastName, Instant createdAt) {
+        this.id = id;
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.createdAt = createdAt;
+    }
+
+    public UUID getId() { return id; }
+    public void setId(UUID id) { this.id = id; }
+
+    public String getFirstName() { return firstName; }
+    public void setFirstName(String firstName) { this.firstName = firstName; }
+
+    public String getLastName() { return lastName; }
+    public void setLastName(String lastName) { this.lastName = lastName; }
+
+    public Instant getCreatedAt() { return createdAt; }
+    public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+}
+