muken
115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
/**
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* Migration script to convert existing JPEG/PNG images to WebP
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* Run from the k8s cluster directly
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*/
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const { Pool } = require('pg');
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const sharp = require('sharp');
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const pool = new Pool({
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host: 'postgres.lahuasca',
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port: 5432,
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database: 'lahuasca',
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user: 'lahuasca',
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password: (() => {
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const p = process.env.DB_PASSWORD;
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if (!p) throw new Error('DB_PASSWORD env var is required');
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return p;
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})(),
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});
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async function convertToWebP(base64Data) {
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const matches = base64Data.match(/^data:image\/(\w+);base64,(.+)$/);
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if (!matches) {
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return base64Data;
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}
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const buffer = Buffer.from(matches[2], 'base64');
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const webpBuffer = await sharp(buffer)
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.webp({ quality: 90 })
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.toBuffer();
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return `data:image/webp;base64,${webpBuffer.toString('base64')}`;
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}
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async function main() {
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console.log('Starting image migration to WebP...\n');
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const client = await pool.connect();
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try {
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const { rows: images } = await client.query(
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'SELECT id, filename, data, thumbnail, medium FROM images'
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);
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console.log(`Found ${images.length} images to process\n`);
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let converted = 0;
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let skipped = 0;
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let errors = 0;
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let totalSaved = 0;
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for (const img of images) {
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console.log(`Processing image ${img.id}: ${img.filename}`);
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try {
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let needsUpdate = false;
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const updates = {};
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if (img.data && !img.data.includes('image/webp')) {
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console.log(' Converting full image...');
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updates.data = await convertToWebP(img.data);
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needsUpdate = true;
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}
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if (img.thumbnail && !img.thumbnail.includes('image/webp')) {
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console.log(' Converting thumbnail...');
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updates.thumbnail = await convertToWebP(img.thumbnail);
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needsUpdate = true;
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}
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if (img.medium && !img.medium.includes('image/webp')) {
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console.log(' Converting medium...');
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updates.medium = await convertToWebP(img.medium);
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needsUpdate = true;
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}
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if (needsUpdate) {
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const oldSize = (img.data?.length || 0) + (img.thumbnail?.length || 0) + (img.medium?.length || 0);
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const newSize = (updates.data?.length || img.data?.length || 0) +
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(updates.thumbnail?.length || img.thumbnail?.length || 0) +
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(updates.medium?.length || img.medium?.length || 0);
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const savedKB = Math.round((oldSize - newSize) / 1024);
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totalSaved += savedKB;
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console.log(` Saved: ${savedKB} KB`);
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await client.query(
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'UPDATE images SET data = $1, thumbnail = $2, medium = $3 WHERE id = $4',
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[updates.data || img.data, updates.thumbnail || img.thumbnail, updates.medium || img.medium, img.id]
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);
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converted++;
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} else {
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console.log(' Already WebP, skipping');
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skipped++;
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}
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} catch (err) {
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console.error(` Error: ${err.message}`);
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errors++;
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}
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}
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console.log('\n========================================');
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console.log(`Converted: ${converted}`);
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console.log(`Skipped: ${skipped}`);
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console.log(`Errors: ${errors}`);
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console.log(`Total saved: ${Math.round(totalSaved / 1024)} MB`);
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console.log('========================================');
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} finally {
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client.release();
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await pool.end();
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}
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}
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main().catch(console.error); |