From 67511a3aa86e2a593402ffbc58e5a37b5fe0379b Mon Sep 17 00:00:00 2001 From: Zoe Roux Date: Sat, 15 Mar 2025 23:38:53 +0100 Subject: [PATCH] Add function to download images, resize them & blurhash --- api/.env.example | 2 + api/bun.lock | 62 ++++++++++++++++++++++++++++++ api/package.json | 4 +- api/src/controllers/seed/images.ts | 53 ++++++++++++++++++++++++- 4 files changed, 118 insertions(+), 3 deletions(-) diff --git a/api/.env.example b/api/.env.example index 193ffd37..6d819716 100644 --- a/api/.env.example +++ b/api/.env.example @@ -7,6 +7,8 @@ JWT_SECRET= # keibi's server to retrieve the public jwt secret AUHT_SERVER=http://auth:4568 +IMAGES_PATH=/images + POSTGRES_USER=kyoo POSTGRES_PASSWORD=password POSTGRES_DB=kyooDB diff --git a/api/bun.lock b/api/bun.lock index e5837399..a78af62b 100644 --- a/api/bun.lock +++ b/api/bun.lock @@ -5,11 +5,13 @@ "dependencies": { "@elysiajs/jwt": "^1.2.0", "@elysiajs/swagger": "^1.2.2", + "blurhash": "^2.0.5", "drizzle-kit": "^0.30.4", 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"peerDependencies": { "@aws-sdk/client-rds-data": ">=3", "@cloudflare/workers-types": ">=4", "@electric-sql/pglite": ">=0.2.0", "@libsql/client": ">=0.10.0", "@libsql/client-wasm": ">=0.10.0", "@neondatabase/serverless": ">=0.10.0", "@op-engineering/op-sqlite": ">=2", "@opentelemetry/api": "^1.4.1", "@planetscale/database": ">=1", "@prisma/client": "*", "@tidbcloud/serverless": "*", "@types/better-sqlite3": "*", "@types/pg": "*", "@types/react": ">=18", "@types/sql.js": "*", "@vercel/postgres": ">=0.8.0", "@xata.io/client": "*", "better-sqlite3": ">=7", "bun-types": "*", "expo-sqlite": ">=14.0.0", "knex": "*", "kysely": "*", "mysql2": ">=2", "pg": ">=8", "postgres": ">=3", "react": ">=18", "sql.js": ">=1", "sqlite3": ">=5" }, "optionalPeers": ["@aws-sdk/client-rds-data", "@cloudflare/workers-types", "@electric-sql/pglite", "@libsql/client", "@libsql/client-wasm", "@neondatabase/serverless", "@op-engineering/op-sqlite", "@opentelemetry/api", "@planetscale/database", "@prisma/client", 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"sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="], + "undici-types": ["undici-types@6.20.0", "", {}, "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg=="], "which": ["which@4.0.0", "", { "dependencies": { "isexe": "^3.1.1" }, "bin": { "node-which": "bin/which.js" } }, "sha512-GlaYyEb07DPxYCKhKzplCWBJtvxZcZMrL+4UkrTSJHHPyZU4mYYTv3qaOe77H7EODLSSopAUFAc6W8U4yqvscg=="], diff --git a/api/package.json b/api/package.json index b91418d2..ea814f69 100644 --- a/api/package.json +++ b/api/package.json @@ -11,11 +11,13 @@ "dependencies": { "@elysiajs/jwt": "^1.2.0", "@elysiajs/swagger": "^1.2.2", + "blurhash": "^2.0.5", "drizzle-kit": "^0.30.4", "drizzle-orm": "0.39.0", "elysia": "^1.2.23", "parjs": "^1.3.9", - "pg": "^8.13.3" + "pg": "^8.13.3", + "sharp": "^0.33.5" }, "devDependencies": { "@types/pg": "^8.11.11", diff --git a/api/src/controllers/seed/images.ts b/api/src/controllers/seed/images.ts index d3caba44..55b9edec 100644 --- a/api/src/controllers/seed/images.ts +++ b/api/src/controllers/seed/images.ts @@ -1,11 +1,18 @@ +import { mkdir, writeFile } from "node:fs/promises"; +import path from "node:path"; +import { encode } from "blurhash"; import { eq, sql } from "drizzle-orm"; import { version } from "package.json"; import type { PoolClient } from "pg"; +import sharp from "sharp"; import { db } from "~/db"; import * as schema from "~/db/schema"; import { mqueue } from "~/db/schema/queue"; import type { Image } from "~/models/utils"; +export const imageDir = process.env.IMAGES_PATH ?? "/images"; +await mkdir(imageDir, { recursive: true }); + type ImageTask = { id: string; url: string; @@ -52,8 +59,7 @@ export const processImages = async () => { .limit(1); const img = item.message as ImageTask; - await fetch(img.url, { headers: { "User-Agent": `Kyoo v${version}` }, }); - const blurhash = ""; + const blurhash = await downloadImage(img.id, img.url); const table = schema[img.table as keyof typeof schema] as any; @@ -72,3 +78,46 @@ export const processImages = async () => { if (evt.channel !== "image") return; }); }; + +async function downloadImage(id: string, url: string): Promise { + const resp = await fetch(url, { + headers: { "User-Agent": `Kyoo v${version}` }, + }); + if (!resp.ok) { + throw new Error(`Failed to fetch image: ${resp.status} ${resp.statusText}`); + } + const buf = Buffer.from(await resp.arrayBuffer()); + + const image = sharp(buf); + const metadata = await image.metadata(); + + if (!metadata.width || !metadata.height) { + throw new Error("Could not determine image dimensions"); + } + const resolutions = { + low: { width: 320 }, + medium: { width: 640 }, + high: { width: 1280 }, + }; + await Promise.all( + Object.entries(resolutions).map(async ([resolution, dimensions]) => { + const buffer = await image.clone().resize(dimensions.width).toBuffer(); + await writeFile(path.join(imageDir, `${id}.${resolution}.jpg`), buffer); + }), + ); + + const { data, info } = await image + .resize(32, 32, { fit: "inside" }) + .raw() + .toBuffer({ resolveWithObject: true }); + + const blurHash = encode( + new Uint8ClampedArray(data), + info.width, + info.height, + 4, + 3, + ); + + return blurHash; +}