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refactor: improve image fetching with retry mechanism and error handling

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This commit is contained in:
Rodrigo Verdiani 2026-03-28 16:11:28 -03:00
parent 420b522edf
commit 3c8038041b
2 changed files with 21 additions and 15 deletions
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9
src/main/java/com/magamochi/image/queue/consumer/ImageFetchConsumer.java
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@ -1,7 +1,5 @@
package com.magamochi.image.queue.consumer;
import static java.util.Objects.nonNull;
import com.magamochi.common.queue.command.ImageFetchCommand;
import com.magamochi.common.queue.command.ImageUpdateCommand;
import com.magamochi.image.queue.producer.ImageUpdateProducer;
@ -22,10 +20,13 @@ public class ImageFetchConsumer {
public void receiveImageFetchCommand(ImageFetchCommand command) {
log.info("Received image fetch command: {}", command);
var imageId = imageFetchService.fetchImage(command.url(), command.contentType());
if (nonNull(imageId)) {
try {
var imageId = imageFetchService.fetchImage(command.url(), command.contentType());
imageUpdateProducer.publishImageUpdateCommand(
new ImageUpdateCommand(command.entityId(), imageId), command.contentType());
} catch (Exception e) {
log.error("Failed to fetch image from URL.", e);
}
}
}

27
src/main/java/com/magamochi/image/service/ImageFetchService.java
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@ -4,6 +4,7 @@ import static java.util.Objects.nonNull;
import com.google.common.util.concurrent.RateLimiter;
import com.magamochi.common.model.enumeration.ContentType;
import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
@ -14,6 +15,7 @@ import java.util.UUID;
import lombok.RequiredArgsConstructor;
import lombok.extern.log4j.Log4j2;
import org.apache.tika.Tika;
import org.springframework.resilience.annotation.Retryable;
import org.springframework.stereotype.Service;
@Log4j2
@ -28,20 +30,23 @@ public class ImageFetchService {
HttpClient.newBuilder().followRedirects(HttpClient.Redirect.NORMAL).build();
private final Tika tika = new Tika();
public UUID fetchImage(String imageUrl, ContentType contentType) {
try {
var request = HttpRequest.newBuilder(URI.create(imageUrl.trim())).GET().build();
@Retryable(
maxRetries = 5,
delay = 1000,
multiplier = 2,
maxDelay = 5000,
includes = Exception.class,
excludes = NoSuchAlgorithmException.class)
public UUID fetchImage(String imageUrl, ContentType contentType)
throws IOException, InterruptedException, NoSuchAlgorithmException {
var request = HttpRequest.newBuilder(URI.create(imageUrl.trim())).GET().build();
imageDownloadRateLimiter.acquire();
var response = httpClient.send(request, HttpResponse.BodyHandlers.ofByteArray());
imageDownloadRateLimiter.acquire();
var response = httpClient.send(request, HttpResponse.BodyHandlers.ofByteArray());
var imageBytes = response.body();
var imageBytes = response.body();
return uploadImage(imageBytes, response, contentType);
} catch (Exception e) {
log.error("Failed to fetch image from URL: {}", imageUrl, e);
return null;
}
return uploadImage(imageBytes, response, contentType);
}
public UUID uploadImage(