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add GaoPackage

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Timi
2026-09-01 01:16:52 +08:00
parent b4b6a13f8d
commit eeb7b5b32e
24 changed files with 272 additions and 49 deletions
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src/main/java/com/imyeyu/api/modules/common/service/implement/AttachmentVariantServiceImplement.java
+16 -1
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@@ -59,6 +59,7 @@ public class AttachmentVariantServiceImplement implements AttachmentVariantServi
private static final long THUMB_CACHE_TTL = Time.D * 7;
private static final long THUMB_LOCK_TTL = Time.M * 10;
private static final double THUMB_TARGET_SECONDS = 2;
private static final int VARIANT_NAME_MAX_LENGTH = 255;
private static final String THUMB_OUTPUT_FORMAT = "png";
private static final String THUMB_ALGORITHM_VERSION = "v3";
private static final String THUMB_LOCK_KEY_PREFIX = "ATTACHMENT:THUMB:LOCK:";
@@ -158,7 +159,7 @@ public class AttachmentVariantServiceImplement implements AttachmentVariantServi
thumbFile = createThumbFile(source, requestWidth, requestHeight, fitMode, isImage);
variant = new AttachmentVariant();
variant.setId(UUID.randomUUID().toString());
variant.setName(Network.simpleURIFileName(source.getName()) + "." + THUMB_OUTPUT_FORMAT);
variant.setName(buildVariantName(source.getName()));
variant.setMimeType("image/" + THUMB_OUTPUT_FORMAT);
long expireAt = Time.now() + THUMB_CACHE_TTL;
variant.setSourceAttachmentId(source.getId());
@@ -257,6 +258,20 @@ public class AttachmentVariantServiceImplement implements AttachmentVariantServi
);
}
/// 构建不超过数据库字段长度的变体名称
///
/// @param sourceName 源附件名称
/// @return 变体名称
private String buildVariantName(String sourceName) {
String suffix = "." + THUMB_OUTPUT_FORMAT;
String baseName = Network.simpleURIFileName(sourceName);
int maxBaseLength = VARIANT_NAME_MAX_LENGTH - suffix.length();
if (maxBaseLength < baseName.codePointCount(0, baseName.length())) {
baseName = baseName.substring(0, baseName.offsetByCodePoints(0, maxBaseLength));
}
return baseName + suffix;
}
private File createThumbFile(
Attachment source,
Integer requestWidth,