ProjectController.java
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package com.srh.api.controller;
import com.srh.api.dto.resource.ItemDto;
import com.srh.api.dto.resource.ProjectDto;
import com.srh.api.dto.resource.ProjectForm;
import com.srh.api.hypermedia.ItemModelAssembler;
import com.srh.api.hypermedia.ProjectModelAssembler;
import com.srh.api.model.Item;
import com.srh.api.model.Project;
import com.srh.api.service.ProjectService;
import com.srh.api.utils.PageUtil;
import lombok.SneakyThrows;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
import org.springframework.data.web.PagedResourcesAssembler;
import org.springframework.hateoas.EntityModel;
import org.springframework.hateoas.PagedModel;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.UriComponentsBuilder;
import javax.transaction.Transactional;
import javax.validation.Valid;
import java.net.URI;
import static com.srh.api.dto.resource.ProjectDto.convert;
@RestController
@RequestMapping("/projects")
public class ProjectController {
@Autowired
private ProjectService projectService;
@Autowired
private ProjectModelAssembler projectModelAssembler;
@Autowired
private PagedResourcesAssembler<ProjectDto> pagedResourcesAssembler;
@Autowired
private PagedResourcesAssembler<ItemDto> itemDtoPagedResourcesAssembler;
@GetMapping
public PagedModel<EntityModel<ProjectDto>> listAll(@PageableDefault(page = 0, size = 5)
Pageable pageInfo) {
Page<Project> projects = projectService.findAll(pageInfo);
return pagedResourcesAssembler.toModel(convert(projects));
}
@GetMapping("/{id}")
public EntityModel<ProjectDto> find(@PathVariable Integer id) {
Project project = projectService.find(id);
return projectModelAssembler.toModel(new ProjectDto(project));
}
@PostMapping
@SneakyThrows
public ResponseEntity<EntityModel<ProjectDto>> create(@RequestBody @Valid ProjectForm projectForm,
UriComponentsBuilder uriBuilder) {
Project project = projectForm.build();
Project projectPersist = projectService.save(project);
URI uri = uriBuilder.path("/projects/{id}").buildAndExpand(project.getId()).toUri();
return ResponseEntity.created(uri)
.body(projectModelAssembler.toModel(new ProjectDto(projectPersist)));
}
@PutMapping("/{id}")
@Transactional
@SneakyThrows
public EntityModel<ProjectDto> update(@RequestBody @Valid ProjectForm projectForm,
@PathVariable Integer id) {
Project project = projectForm.build();
project.setId(id);
project = projectService.update(project);
return projectModelAssembler.toModel(new ProjectDto(project));
}
@DeleteMapping("/{id}")
@Transactional
public ResponseEntity<Void> delete(@PathVariable Integer id) {
projectService.delete(id);
return ResponseEntity.noContent().build();
}
@GetMapping("/{projectId}/itens")
public PagedModel<EntityModel<ItemDto>> findItensByProject(
@PathVariable Integer projectId,
@PageableDefault(page = 0, size = 5) Pageable pageInfo
) {
Project project = projectService.find(projectId);
PageUtil<Item> pageUtil = new PageUtil<>(pageInfo, project.getItens());
return itemDtoPagedResourcesAssembler.toModel(ItemDto.convert(pageUtil.getPage()));
}
}