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import type { APIRoute } from 'astro';
import { DateTime } from 'luxon';
export const prerender = false;
interface CloudflareEnv {
IMGS_BUCKET: R2Bucket;
}
export const GET: APIRoute = async ({ locals }) => {
try {
const env = (locals as any).runtime?.env;
if (!env?.IMGS_BUCKET) {
return new Response('R2 bucket not configured', { status: 500 });
}
const bucket = env.IMGS_BUCKET;
// Get images from the last hour
const now = DateTime.utc();
const oneHourAgo = now.minus({ hours: 1 });
// Search from 6 hours ago to have a buffer in case some images are missing
const sixHoursAgo = now.minus({ hours: 6 });
const startDate = sixHoursAgo.toFormat('yyyyMMdd');
const startHour = sixHoursAgo.toFormat('HH');
const objects = await bucket.list({
prefix: 'imgs/',
startAfter: `imgs/${startDate}/${startHour}`
});
// Filter for gis.png files from the last hour and get up to 12 images
const imageKeys = objects.objects
.map((obj: any) => obj.key)
.filter((key: string) => {
if (!key.endsWith('/gis.png')) return false;
// Extract date/time from path: imgs/20251003/0950/gis.png
const pathParts = key.split('/');
if (pathParts.length !== 4) return false;
const dateStr = pathParts[1]; // YYYYMMDD
const timeStr = pathParts[2]; // HHMM
// Parse as UTC timestamp using luxon
const imageTime = DateTime.fromFormat(
`${dateStr} ${timeStr}`,
'yyyyMMdd HHmm',
{ zone: 'utc' }
);
if (!imageTime.isValid) return false;
return imageTime >= oneHourAgo && imageTime <= now;
})
.sort()
.slice(-12);
// Transform keys to full URLs
const images = imageKeys.map((key: string) => {
// Extract date/time from path: imgs/20251003/0950/gis.png
const pathParts = key.split('/');
const date = pathParts[1];
const time = pathParts[2];
const filename = pathParts[3];
return {
path: key,
url: `https://imgs.geshem.space/${date}/${time}/${filename}`,
date: date,
time: time
};
});
return new Response(JSON.stringify({
images: images,
count: images.length,
timestamp: DateTime.utc().toISO()
}), {
status: 200,
headers: {
'Content-Type': 'application/json',
'Cache-Control': 'public, max-age=60, s-maxage=60'
}
});
} catch (error) {
console.error('Error fetching images:', error);
return new Response(JSON.stringify({
error: 'Failed to fetch images',
message: error instanceof Error ? error.message : 'Unknown error'
}), {
status: 500,
headers: {
'Content-Type': 'application/json'
}
});
}
};
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