Implement update project route

requests/getProject.http

@@ -1,3 +1,3 @@
 ### GET request to example server
-GET http://localhost:8080/projects/2
+GET http://localhost:8080/projects/1
 Authorization: Bearer {{auth_token}}

requests/updateProject.http

@@ -0,0 +1,15 @@
+### GET request to example server
+PUT http://localhost:8080/projects/1
+Authorization: Bearer {{auth_token}}
+Content-Type: application/json
+
+{
+  "name": "newName",
+  "leading_employee": 2,
+  "employees": [],
+  "contractor": 9,
+  "contractor_name": "New Contractor name",
+  "comment": "new goal of project",
+  "start_date": "01.01.2010",
+  "planned_end_date": "01.01.2021"
+}

src/main/java/de/szut/lf8_starter/project/ProjectMapper.java

@@ -2,6 +2,8 @@ package de.szut.lf8_starter.project;
 
 import de.szut.lf8_starter.project.dto.CreateProjectDto;
 import de.szut.lf8_starter.project.dto.GetProjectDto;
+import de.szut.lf8_starter.project.dto.UpdateProjectDto;
+import jakarta.validation.Valid;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -38,4 +40,23 @@ public class ProjectMapper {
 
         return getProjectDto;
     }
+
+    public ProjectEntity mapUpdateDtoToEntity(UpdateProjectDto updateProjectDto, ProjectEntity projectEntity) {
+        projectEntity.setName(updateProjectDto.getName() != null ? updateProjectDto.getName() : projectEntity.getName());
+        projectEntity.setLeadingEmployee(updateProjectDto.getLeadingEmployee() != null ? updateProjectDto.getLeadingEmployee() : projectEntity.getLeadingEmployee());
+        projectEntity.setContractor(updateProjectDto.getContractor() != null ? updateProjectDto.getContractor() : projectEntity.getContractor());
+        projectEntity.setContractorName(updateProjectDto.getContractorName() != null ? updateProjectDto.getContractorName() : projectEntity.getContractorName());
+        projectEntity.setComment(updateProjectDto.getComment() != null ? updateProjectDto.getComment() : projectEntity.getComment());
+        projectEntity.setStartDate(updateProjectDto.getStartDate() != null ? updateProjectDto.getStartDate() : projectEntity.getStartDate());
+        projectEntity.setPlannedEndDate(updateProjectDto.getPlannedEndDate() != null ? updateProjectDto.getPlannedEndDate() : projectEntity.getPlannedEndDate());
+        projectEntity.setEndDate(updateProjectDto.getEndDate() != null ? updateProjectDto.getEndDate() : projectEntity.getEndDate());
+
+        if (updateProjectDto.getEmployees() != null) {
+            projectEntity.getEmployees().clear();
+
+            projectEntity.setEmployees(updateProjectDto.getEmployees());
+        }
+
+        return projectEntity;
+    }
 }

src/main/java/de/szut/lf8_starter/project/ProjectService.java

@@ -1,6 +1,5 @@
 package de.szut.lf8_starter.project;
 
-import de.szut.lf8_starter.exceptionHandling.ResourceNotFoundException;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -22,13 +21,13 @@ public class ProjectService {
         return this.projectRepository.findAll();
     }
 
-    public ProjectEntity findById(Long id) {
+    public Optional<ProjectEntity> findById(Long id) {
-        Optional<ProjectEntity> articleEntity = projectRepository.findById(id);
+        return projectRepository.findById(id);
-
-        if (articleEntity.isEmpty()) {
-            throw new ResourceNotFoundException("Project with id " + id + " not found");
     }
 
-        return articleEntity.get();
+    public ProjectEntity update(ProjectEntity project) {
+        this.projectRepository.save(project);
+
+        return project;
     }
 }

src/main/java/de/szut/lf8_starter/project/action/GetProjectAction.java

@@ -13,6 +13,8 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Optional;
+
 @RestController
 @RequestMapping(value = "projects")
 public class GetProjectAction {
@@ -33,8 +35,12 @@ public class GetProjectAction {
     })
     @GetMapping("/{id}")
     public ResponseEntity<GetProjectDto> findArticleById(@PathVariable Long id) {
-        ProjectEntity project = this.projectService.findById(id);
+        Optional<ProjectEntity> project = this.projectService.findById(id);
 
-        return new ResponseEntity<>(this.projectMapper.mapToGetDto(project), HttpStatus.OK);
+        if (project.isEmpty()) {
+            return new ResponseEntity<>(null, HttpStatus.NOT_FOUND);
+        }
+
+        return new ResponseEntity<>(this.projectMapper.mapToGetDto(project.get()), HttpStatus.OK);
     }
 }

src/main/java/de/szut/lf8_starter/project/action/UpdateProjectAction.java

@@ -0,0 +1,39 @@
+package de.szut.lf8_starter.project.action;
+
+import de.szut.lf8_starter.project.ProjectEntity;
+import de.szut.lf8_starter.project.ProjectMapper;
+import de.szut.lf8_starter.project.ProjectService;
+import de.szut.lf8_starter.project.dto.GetProjectDto;
+import de.szut.lf8_starter.project.dto.UpdateProjectDto;
+import jakarta.validation.Valid;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Optional;
+
+@RestController
+@RequestMapping(value = "/projects")
+public class UpdateProjectAction {
+    private final ProjectService projectService;
+    private final ProjectMapper projectMapper;
+
+    public UpdateProjectAction(ProjectService projectService, ProjectMapper mappingService) {
+        this.projectService = projectService;
+        this.projectMapper = mappingService;
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<GetProjectDto> updateSupplier(@PathVariable Long id, @Valid @RequestBody UpdateProjectDto updateProjectDto) {
+        Optional<ProjectEntity> project = this.projectService.findById(id);
+
+        if (project.isEmpty()) {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
+        ProjectEntity updatedProject = this.projectMapper.mapUpdateDtoToEntity(updateProjectDto, project.get());
+        this.projectService.update(updatedProject);
+
+        return new ResponseEntity<>(this.projectMapper.mapToGetDto(updatedProject), HttpStatus.OK);
+    }
+}

src/main/java/de/szut/lf8_starter/project/dto/UpdateProjectDto.java

@@ -0,0 +1,38 @@
+package de.szut.lf8_starter.project.dto;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDate;
+import java.util.List;
+
+@Getter
+@Setter
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
+public class UpdateProjectDto {
+    private String name;
+
+    private Long leadingEmployee;
+
+    private List<Long> employees;
+
+    private Long contractor;
+
+    private String contractorName;
+
+    private String comment;
+
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    private LocalDate startDate;
+
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    private LocalDate plannedEndDate;
+
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    private LocalDate endDate;
+}