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steleks_backend/events/src/main/java/ba/steleks/controller/EventGalleryController.java

77 lines
3.0 KiB
Java

package ba.steleks.controller;
import ba.steleks.controller.storage.MediaStorageHandler;
import ba.steleks.error.exception.ExternalServiceException;
import ba.steleks.model.Media;
import ba.steleks.repository.MediaJpaRepository;
import ba.steleks.storage.StorageService;
import ba.steleks.util.ProxyHeaders;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import java.net.URI;
/**
* Created by admin on 16/04/2017.
*/
@RestController
public class EventGalleryController {
private final StorageService storageService;
private final MediaJpaRepository repository;
private final MediaStorageHandler mediaStorageHandler;
@Autowired
public EventGalleryController(StorageService storageService, MediaJpaRepository repository, MediaStorageHandler mediaStorageHandler) {
this.storageService = storageService;
this.repository = repository;
this.mediaStorageHandler = mediaStorageHandler;
}
@GetMapping("/eventPictures/{filename:.+}")
@ResponseBody
public ResponseEntity<Resource> serveFile(@PathVariable String filename) {
Resource file = storageService.loadAsResource("eventPictures/"+filename);
return ResponseEntity
.ok()
.header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\""+file.getFilename()+"\"")
.body(file);
}
@PostMapping("/medias/file")
public ResponseEntity<?> handleFileUpload(@RequestParam("file") MultipartFile file,
@RequestHeader(ProxyHeaders.USER_ID) String userId,
RedirectAttributes redirectAttributes) throws ExternalServiceException {
try {
Media media = new Media();
media.setCreatedById(Long.parseLong(userId));
Media result = repository.save(media);
String url = mediaStorageHandler.saveMedia(file, result.getId());
result.setContentUrl(url);
repository.save(result);
URI location = ServletUriComponentsBuilder
.fromCurrentContextPath().path("/medias/{id}")
.buildAndExpand(result.getId()).toUri();
return ResponseEntity.created(location).body(result);
} catch (Exception ex) {
if (ex instanceof HttpClientErrorException && ((HttpClientErrorException) ex).getStatusCode() == HttpStatus.NOT_FOUND) {
throw new HttpClientErrorException(HttpStatus.BAD_REQUEST);
} else {
throw new ExternalServiceException();
}
}
}
}