plcom/utils/wallpapers.ts

80 lines
No EOL
2.2 KiB
TypeScript

import exifr from "npm:exifr@^7.1.3";
import { mime } from "https://deno.land/x/mimetypes@v1.0.0/mod.ts";
import { parse } from "https://deno.land/std@0.190.0/flags/mod.ts";
interface Arguments {
sourceDir?: string;
destinationDir?: string;
}
const cli: Arguments = parse(Deno.args, {
string: ["sourceDir", "destinationDir"],
});
if (cli.sourceDir === undefined) {
console.error("Need source folder for images (relative directory where deno script is ran)");
Deno.exit(1);
}
if (cli.destinationDir === undefined) {
console.error("Need destination folder for images");
Deno.exit(1);
}
// Put all wallpapers here
const imagesPath = `${Deno.cwd()}/${cli.sourceDir}`;
interface MyWallpaper {
file: string;
location: string;
date: string;
}
const wallpapers: MyWallpaper[] = [];
// For each file in the wallpapers directory
for await (const dirEntry of Deno.readDir(imagesPath)) {
// Make sure it is a file and it is an image
if (!dirEntry.isFile || !mime.getType(dirEntry.name)?.startsWith("image/")) {
continue;
}
// Don't pollute stdout, that's where the json will be put
console.error(`Processing ${dirEntry.name}`);
// Open file
const path = `${imagesPath}/${dirEntry.name}`;
const bytes = await Deno.readFile(path);
// Parse exif
const exif = await exifr.parse(bytes);
// Timezones are too hard
const timestamp = Date.parse(exif.DateTimeOriginal);
const dateObject = new Date(timestamp);
const date = dateObject.toISOString().split("T")[0];
// Http request to get location
// Documentation: https://nominatim.org/release-docs/develop/api/Reverse/
const response = await fetch(
`https://nominatim.openstreetmap.org/reverse?format=json&lat=${exif.latitude}&lon=${exif.longitude}&zoom=8`,
{ headers: { "User-Agent": "https://philippeloctaux.com" } }
);
const data = await response.json();
const location = data?.display_name;
// Final filename
const file = `${cli.destinationDir}/${dirEntry.name}`;
wallpapers.push({
file,
date,
location,
});
}
// Put final array to stdout
console.log(JSON.stringify(wallpapers));