WIP for images

src/main/java/_11/asktpk/artisanconnectbackend/service/ImageService.java

@@ -0,0 +1,38 @@
+package _11.asktpk.artisanconnectbackend.service;
+
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.http.MediaType;
+import org.springframework.http.MediaTypeFactory;
+import org.springframework.stereotype.Service;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@Service
+public class ImageService {
+
+    public byte[] getImageBytes(String imagePath) throws IOException {
+        Path path = Paths.get(imagePath);
+        return Files.readAllBytes(path);
+    }
+
+    public Resource getImageAsResource(String imagePath) throws IOException {
+        Path path = Paths.get(imagePath);
+        Resource resource = new UrlResource(path.toUri());
+
+        if(resource.exists() && resource.isReadable()) {
+            return resource;
+        } else {
+            throw new IOException("Nie można odczytać obrazu: " + imagePath);
+        }
+    }
+
+    public MediaType getMediaTypeForImage(String imagePath) {
+        return MediaTypeFactory
+                .getMediaType(imagePath)
+                .orElse(MediaType.APPLICATION_OCTET_STREAM);
+    }
+}