Merge branch 'listImages' into 'main'

besoin 4 done sauf test pas compris

See merge request pdl-l3/teams/2023/v1/v1d!9

backend/src/main/java/pdl/backend/Image.java

@@ -1,15 +1,38 @@
 package pdl.backend;
 
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.net.URLConnection;
+
+import javax.imageio.ImageIO;
+
+import org.springframework.http.MediaType;
+
 public class Image {
 	private static Long count = Long.valueOf(0);
-	private Long id;
+	private final Long id;
 	private String name;
-	private byte[] data;
+	private final byte[] data;
+	private final MediaType mediaType;
+	private final int width;
+	private final int height;
+	private final int nbColors;
 
-	public Image(final String name, final byte[] data) {
+	public Image(final String name, final byte[] data) throws IOException {
 		id = count++;
 		this.name = name;
 		this.data = data;
+		this.mediaType = MediaType.valueOf(URLConnection.guessContentTypeFromName(name));
+		BufferedImage bufImg = ImageIO.read(new ByteArrayInputStream(data));
+		this.width = bufImg.getWidth();
+		this.height = bufImg.getHeight();
+		this.nbColors = bufImg.getColorModel().getNumComponents();
+
+	}
+
+	public MediaType getMediaType() {
+		return mediaType;
 	}
 
 	public long getId() {
@@ -27,4 +50,24 @@ public class Image {
 	public byte[] getData() {
 		return data;
 	}
+
+	public static Long getCount() {
+		return count;
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	public int getHeight() {
+		return height;
+	}
+
+	public int getNbColors() {
+		return nbColors;
+	}
+
+	public String getSize() {
+		return this.getWidth() + "*" + this.getHeight() + "*" + this.getNbColors();
+	}
 }

backend/src/main/java/pdl/backend/ImageController.java

@@ -15,9 +15,10 @@ import org.springframework.core.io.InputStreamResource;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
@@ -37,7 +38,7 @@ public class ImageController {
 		this.imageDao = imageDao;
 	}
 
-	@RequestMapping(value = "/images/{id}", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
+	@GetMapping(value = "/images/{id}", produces = MediaType.IMAGE_JPEG_VALUE)
 	public ResponseEntity<?> getImage(@PathVariable("id") long id) {
 
 		Optional<Image> image = imageDao.retrieve(id);
@@ -49,7 +50,7 @@ public class ImageController {
 		return new ResponseEntity<>("Image id=" + id + " not found.", HttpStatus.NOT_FOUND);
 	}
 
-	@RequestMapping(value = "/images/{id}", method = RequestMethod.DELETE)
+	@DeleteMapping(value = "/images/{id}")
 	public ResponseEntity<?> deleteImage(@PathVariable("id") long id) {
 
 		Optional<Image> image = imageDao.retrieve(id);
@@ -61,7 +62,7 @@ public class ImageController {
 		return new ResponseEntity<>("Image id=" + id + " not found.", HttpStatus.NOT_FOUND);
 	}
 
-	@RequestMapping(value = "/images", method = RequestMethod.POST)
+	@PostMapping(value = "/images")
 	public ResponseEntity<?> addImage(@RequestParam("file") MultipartFile file, RedirectAttributes redirectAttributes) {
 
 		String contentType = file.getContentType();
@@ -77,7 +78,7 @@ public class ImageController {
 		return new ResponseEntity<>("Image uploaded", HttpStatus.OK);
 	}
 
-	@RequestMapping(value = "/images", method = RequestMethod.GET, produces = "application/json")
+	@GetMapping(value = "/images", produces = "application/json")
 	@ResponseBody
 	public ArrayNode getImageList() {
 		List<Image> images = imageDao.retrieveAll();
@@ -86,6 +87,8 @@ public class ImageController {
 			ObjectNode objectNode = mapper.createObjectNode();
 			objectNode.put("id", image.getId());
 			objectNode.put("name", image.getName());
+			objectNode.put("size", image.getSize());
+			objectNode.put("type", image.getMediaType().toString());
 			nodes.add(objectNode);
 		}
 		return nodes;