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Clean up entry point

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This commit is contained in:
Manav Rathi 2024-04-20 18:11:21 +05:30
parent a9d8b083f6
commit f820be9652
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1 changed files with 31 additions and 42 deletions
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73
web/apps/photos/src/services/upload/thumbnail.ts
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@ -10,6 +10,7 @@ import HeicConversionService from "services/heicConversionService";
import { ElectronFile, FileTypeInfo } from "types/upload";
import { isFileHEIC } from "utils/file";
import { getUint8ArrayView } from "../readerService";
import { getFileName } from "./uploadService";
/** Maximum width or height of the generated thumbnail */
const maxThumbnailDimension = 720;
@ -21,53 +22,41 @@ const MAX_QUALITY = 0.7;
const WAIT_TIME_THUMBNAIL_GENERATION = 30 * 1000;
export async function generateThumbnail(
/**
* Generate a JPEG thumbnail for the given {@link file}.
*
* The thumbnail has a smaller file size so that is quick to load. But more
* importantly, it uses a universal file format (JPEG in our case) so that the
* thumbnail itself can be opened in all clients, even those like the web client
* itself that might not yet have support for more exotic formats.
*/
export const generateThumbnail = async (
file: File | ElectronFile,
fileTypeInfo: FileTypeInfo,
): Promise<{ thumbnail: Uint8Array; hasStaticThumbnail: boolean }> {
): Promise<{ thumbnail: Uint8Array; hasStaticThumbnail: boolean }> => {
try {
log.info(`generating thumbnail for ${getFileNameSize(file)}`);
let hasStaticThumbnail = false;
let thumbnail: Uint8Array;
try {
if (fileTypeInfo.fileType === FILE_TYPE.IMAGE) {
thumbnail = await generateImageThumbnail(file, fileTypeInfo);
} else {
thumbnail = await generateVideoThumbnail(file, fileTypeInfo);
}
if (thumbnail.length > 1.5 * maxThumbnailSize) {
log.error(
`thumbnail greater than max limit - ${JSON.stringify({
thumbnailSize: convertBytesToHumanReadable(
thumbnail.length,
),
fileSize: convertBytesToHumanReadable(file.size),
fileType: fileTypeInfo.exactType,
})}`,
);
}
if (thumbnail.length === 0) {
throw Error("EMPTY THUMBNAIL");
}
log.info(
`thumbnail successfully generated ${getFileNameSize(file)}`,
);
} catch (e) {
log.error(
`thumbnail generation failed ${getFileNameSize(file)} with format ${fileTypeInfo.exactType}`,
e,
);
thumbnail = Uint8Array.from(atob(BLACK_THUMBNAIL_BASE64), (c) =>
c.charCodeAt(0),
);
hasStaticThumbnail = true;
}
return { thumbnail, hasStaticThumbnail };
const thumbnail =
fileTypeInfo.fileType === FILE_TYPE.IMAGE
? await generateImageThumbnail(file, fileTypeInfo)
: await generateVideoThumbnail(file, fileTypeInfo);
if (thumbnail.length == 0) throw new Error("Empty thumbnail");
log.debug(() => `Generated thumbnail for ${getFileName(file)}`);
return { thumbnail, hasStaticThumbnail: false };
} catch (e) {
log.error("Error generating static thumbnail", e);
throw e;
log.error(
`Failed to generate thumbnail for ${getFileName(file)} with format ${fileTypeInfo.exactType}`,
e,
);
return { thumbnail: fallbackThumbnail(), hasStaticThumbnail: true };
}
}
};
/**
* A fallback, black, thumbnail to use in cases where thumbnail generation fails
*/
const fallbackThumbnail = () =>
Uint8Array.from(atob(BLACK_THUMBNAIL_BASE64), (c) => c.charCodeAt(0));
async function generateImageThumbnail(
file: File | ElectronFile,