Files
pihkaal-me/server/api/gallery.get.ts

83 lines
2.1 KiB
TypeScript

import { readdir } from "fs/promises";
import { join } from "path";
import exifr from "exifr";
import { z } from "zod";
const exifSchema = z.object({
DateTimeOriginal: z.date(),
Make: z.string(),
Model: z.string(),
LensModel: z.string(),
FNumber: z.number(),
ExposureTime: z.number(),
ISO: z.number(),
FocalLength: z.number(),
});
export default defineCachedEventHandler(
async () => {
const publicDir = join(process.cwd(), "public/gallery");
try {
const files = await readdir(publicDir);
const imageFiles = files.filter((file) =>
/\.(jpg|jpeg|png|webp)$/i.test(file),
);
const imagesWithExif = await Promise.all(
imageFiles.map(async (filename) => {
const filePath = join(publicDir, filename);
const rawExif = await exifr.parse(filePath, {
tiff: true,
exif: true,
gps: false,
interop: false,
ifd1: false,
});
const exif = exifSchema.parse(rawExif);
return {
filename,
url: `/gallery/${filename}`,
exif: {
date: exif.DateTimeOriginal,
camera: `${exif.Make} ${exif.Model}`,
lens: exif.LensModel,
settings: {
aperture: `f/${exif.FNumber}`,
shutter: `1/${Math.round(1 / exif.ExposureTime)}s`,
iso: String(exif.ISO),
focalLength: `${exif.FocalLength}mm`,
},
},
};
}),
);
return imagesWithExif;
} catch (err) {
console.log(err);
throw createError({
statusCode: 500,
message: "Failed to read gallery directory",
});
}
},
{
maxAge: 60 * 60 * 24,
getKey: async () => {
const publicDir = join(process.cwd(), "public/gallery");
try {
const files = await readdir(publicDir);
const imageFiles = files.filter((file) =>
/\.(jpg|jpeg|png|webp)$/i.test(file),
);
return `gallery:${imageFiles.length}`;
} catch {
return "gallery:0";
}
},
},
);