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dev add cold storage
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backdev
2026-04-23 13:10:24 +07:00
parent e0ecd91ed0
commit 04506f4b42
1 changed files with 16 additions and 41 deletions
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src/main/java/ru/soune/nocopy/service/file/ZipService.java
+13 -38
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@@ -26,13 +26,10 @@ import java.util.zip.ZipOutputStream;
public class ZipService {
private final ModerationFileService moderationFileService;
private final CloudStorageService cloudStorageService;
private static final int MAX_SIZE_MB = 20;
private static final int FIRST_PART = 1;
private static final int SECOND_PART = 2;
@Value("${yandex.cloud.bucket-cold}")
@@ -63,10 +60,13 @@ public class ZipService {
throw new IOException("Missing part 1 or part 2 for user: " + userId);
}
String part1Content = cloudStorageService.downloadPartFromBucket(bucketCold, part1Key);
String part2Content = cloudStorageService.downloadPartFromBucket(bucketCold, part2Key);
String part1Base64 = cloudStorageService.downloadPartFromBucket(bucketCold, part1Key);
String part2Base64 = cloudStorageService.downloadPartFromBucket(bucketCold, part2Key);
String fullBase64 = part1Content + part2Content;
String fullBase64 = part1Base64 + part2Base64;
log.debug("Part1 length: {}, Part2 length: {}, Combined length: {}",
part1Base64.length(), part2Base64.length(), fullBase64.length());
return Base64.getDecoder().decode(fullBase64);
}
@@ -76,7 +76,6 @@ public class ZipService {
.map(FileEntity::getFileSize)
.reduce(0L, Long::sum);
if (totalSize > MAX_SIZE_MB * 1024 * 1024) {
throw new IllegalArgumentException(
String.format("Total size %.2f MB exceeds %d MB limit",
@@ -86,7 +85,6 @@ public class ZipService {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (ZipOutputStream zos = new ZipOutputStream(baos)) {
for (FileEntity file : files) {
String filePath = file.getFilePath();
String fileName = file.getStoredFileName();
@@ -105,18 +103,11 @@ public class ZipService {
}
private String[] splitBase64(String base64) {
StringBuilder part1 = new StringBuilder();
StringBuilder part2 = new StringBuilder();
for (int i = 0; i < base64.length(); i++) {
if (i % 2 == 0) {
part1.append(base64.charAt(i));
} else {
part2.append(base64.charAt(i));
}
}
return new String[]{part1.toString(), part2.toString()};
int half = base64.length() / 2;
return new String[]{
base64.substring(0, half),
base64.substring(half)
};
}
private void saveSplitFiles(Long userId, String part1, String part2) throws IOException {
@@ -136,23 +127,7 @@ public class ZipService {
moderationFileService.addFiles(userId, files);
log.info("Saved split files to cold storage for userId: {}", userId);
}
private String mergeBase64(String part1, String part2) {
StringBuilder merged = new StringBuilder();
int maxLength = Math.max(part1.length(), part2.length());
for (int i = 0; i < maxLength; i++) {
if (i < part1.length()) {
merged.append(part1.charAt(i));
}
if (i < part2.length()) {
merged.append(part2.charAt(i));
}
}
return merged.toString();
log.info("Saved split files to cold storage for userId: {}, Base64 length: {}",
userId, part1.length() + part2.length());
}
}