.devcontainer/devcontainer.json

@@ -9,8 +9,7 @@
 		"ghcr.io/devcontainers/features/git-lfs:1": {},
 		"ghcr.io/devcontainers/features/node:1": {},
 		"ghcr.io/swift-server-community/swift-devcontainer-features/sqlite:1": {},
-		"ghcr.io/devcontainers/features/rust:1": {},
-		"ghcr.io/devcontainers/features/docker-in-docker:2": {}
+		"ghcr.io/devcontainers/features/rust:1": {}
 	},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.

.github/workflows/container.yml

@@ -81,5 +81,3 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max

.gitignore

@@ -13,7 +13,3 @@ scraper/x.tsv
 *.tmp
 target/
 .env.*
-
-*/flamegraph.svg
-*/perf.data*
-scraper-rs/debug/

.vscode/launch.json

@@ -7,13 +7,13 @@
     {
       "type": "lldb",
       "request": "launch",
-      "name": "scraper-rs",
-      "cwd": "scraper-rs/",
+      "name": "warcificator",
+      "cwd": "warcificator/",
       "cargo": {
         // https://github.com/vadimcn/codelldb/issues/884
-        "args": ["build", "--manifest-path=scraper-rs/Cargo.toml"]
+        "args": ["build", "--manifest-path=warcificator/Cargo.toml"]
       },
-      "args": ["../data/Carrefour.txt"],
+      "args": ["../data/samples/Carrefour.50.txt"],
       "env": {}
     },
     {

Dockerfile

@@ -11,7 +11,7 @@ RUN cd sitio && \
 RUN bun build scraper/cli.ts --target=bun --outfile=/tmp/cli.build.js
 
 FROM cgr.dev/chainguard/wolfi-base
-RUN apk add --no-cache nodejs npm jq bun sqlite
+RUN apk add --no-cache nodejs npm jq bun
 
 # Sitio
 COPY --from=build /usr/src/app/sitio/package.json package.real.json

Dockerfile.scraper

@@ -1,6 +1,5 @@
-FROM cgr.dev/chainguard/wolfi-base AS base
+FROM docker.io/oven/bun:1-alpine AS base
 WORKDIR /usr/src/app
-RUN apk add --no-cache bun libgcc
 
 FROM base as build
 ENV NODE_ENV=production
@@ -8,22 +7,17 @@ COPY . .
 RUN bun install --frozen-lockfile
 RUN bun build scraper/cli.ts --target=bun --outfile=/tmp/cli.build.js
 
-# nightly porque usamos tl con `simd` activado
-FROM base as rs-build
-RUN apk add --no-cache rust build-base sqlite-dev
-
-COPY scraper-rs/ .
-RUN cargo install --locked --path .
-
 FROM base
-RUN apk add --no-cache sqlite sqlite-libs
 
 # Scraper
 COPY --from=build /tmp/cli.build.js /bin/scraper
 COPY --from=build /usr/src/app/db-datos/drizzle /bin/drizzle
-COPY --from=rs-build /root/.cargo/bin/scraper-rs /usr/local/bin/scraper-rs
 
 ENV NODE_ENV=production
 ENV DB_PATH=/db/db.db
 
-CMD ["bun", "/bin/scraper", "cron"]
+# Cron scraper
+RUN printf "#!/bin/sh\nexec bun /bin/scraper auto\n" > /etc/periodic/daily/scraper \
+    && chmod +x /etc/periodic/daily/scraper
+
+CMD ["busybox", "crond", "-f", "-l2"]

data/Jumbo.txt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f231884c2b9fd0b633746892a00824379b4d8aa110e6348309197b83b0d1c555
-size 926218
+oid sha256:6299b470d9debc9a173b40c2ba91208eb43a6c8cde02a4819e7bcd76368e4363
+size 922185

link-scrapers/dia.ts

@@ -68,10 +68,7 @@ const categorias = [
 ];
 
 export async function scrapDiaProducts() {
-  await Promise.all([
-    // scrapBySite(),
-    scrapBySitemap(),
-  ]);
+  await Promise.all([scrapBySite(), scrapBySitemap()]);
 }
 
 async function scrapBySitemap() {
@@ -107,7 +104,7 @@ async function scrapBySite() {
   await pMap(
     links,
     async (url) => {
-      const res = await fetch(url, { timeout: false });
+      const res = await fetch(url);
       const html = await res.text();
       const { document } = parseHTML(html);
 

scraper-rs/Cargo.toml

@@ -1,33 +0,0 @@
-[package]
-name = "scraper-rs"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-again = "0.1.2"
-anyhow = "1.0.79"
-async-channel = "2.1.1"
-clap = { version = "4.4.15", features = ["derive"] }
-nanoid = "0.4.0"
-r2d2 = "0.8.10"
-r2d2_sqlite = "0.23.0"
-rand = "0.8.5"
-# lol_html = "1.2.0"
-reqwest = { version = "0.11.23", default-features = false, features = [
-    "rustls-tls",
-    "gzip",
-    "brotli",
-    "socks",
-] }
-rusqlite = "0.30.0"
-# scraper = "0.18.1"
-serde = { version = "1.0.193", features = ["derive"] }
-serde_json = "1.0.109"
-simple-error = "0.3.0"
-thiserror = "1.0.56"
-tl = { git = "https://github.com/evertedsphere/tl", branch = "patch-1" }
-tokio = { version = "1.35.1", features = ["full"] }
-tracing = "0.1"
-tracing-subscriber = "0.3"

scraper-rs/src/main.rs

@@ -1,247 +0,0 @@
-use again::RetryPolicy;
-use async_channel::Receiver;
-use clap::Parser;
-use nanoid::nanoid;
-use r2d2::Pool;
-use r2d2_sqlite::SqliteConnectionManager;
-use reqwest::{StatusCode, Url};
-use simple_error::{bail, SimpleError};
-use std::{
-    env::{self},
-    fs,
-    path::PathBuf,
-    time::Duration,
-};
-use thiserror::Error;
-
-#[derive(Parser)] // requires `derive` feature
-enum Args {
-    FetchList(FetchListArgs),
-    ParseFile(ParseFileArgs),
-}
-#[derive(clap::Args)]
-struct FetchListArgs {
-    list_path: String,
-}
-#[derive(clap::Args)]
-struct ParseFileArgs {
-    file_path: String,
-}
-
-#[tokio::main]
-async fn main() -> anyhow::Result<()> {
-    tracing_subscriber::fmt::init();
-
-    match Args::parse() {
-        Args::FetchList(a) => fetch_list_cli(a.list_path).await,
-        Args::ParseFile(a) => parse_file_cli(a.file_path).await,
-    }
-}
-
-async fn fetch_list_cli(links_list_path: String) -> anyhow::Result<()> {
-    let links_str = fs::read_to_string(links_list_path).unwrap();
-    let links = links_str
-        .split('\n')
-        .map(|s| s.trim())
-        .filter(|s| !s.is_empty())
-        .map(|s| s.to_owned())
-        .collect::<Vec<_>>();
-
-    let (sender, receiver) = async_channel::bounded::<String>(1);
-
-    let db_path = env::var("DB_PATH").unwrap_or("../scraper/sqlite.db".to_string());
-    let manager = SqliteConnectionManager::file(db_path);
-    let pool = Pool::new(manager).unwrap();
-
-    let n_coroutines = env::var("N_COROUTINES")
-        .map_or(Ok(128), |s| s.parse::<usize>())
-        .expect("N_COROUTINES no es un número");
-    let handles = (1..n_coroutines)
-        .map(|_| {
-            let rx = receiver.clone();
-            let pool = pool.clone();
-            tokio::spawn(worker(rx, pool))
-        })
-        .collect::<Vec<_>>();
-
-    for link in links {
-        sender.send_blocking(link).unwrap();
-    }
-    sender.close();
-
-    let mut counters = Counters::default();
-    for handle in handles {
-        let c = handle.await.unwrap();
-        counters.success += c.success;
-        counters.errored += c.errored;
-        counters.skipped += c.skipped;
-    }
-
-    println!("Finished: {:?}", counters);
-    Ok(())
-}
-
-fn build_client() -> reqwest::Client {
-    reqwest::ClientBuilder::default().build().unwrap()
-}
-
-#[derive(Default, Debug)]
-struct Counters {
-    success: u64,
-    errored: u64,
-    skipped: u64,
-}
-
-async fn worker(rx: Receiver<String>, pool: Pool<SqliteConnectionManager>) -> Counters {
-    let client = build_client();
-
-    let mut counters = Counters::default();
-    while let Ok(url) = rx.recv().await {
-        let res = fetch_and_parse(&client, url.clone()).await;
-        match res {
-            Ok(res) => {
-                counters.success += 1;
-                pool.get().unwrap().execute("INSERT INTO precios(ean, fetched_at, precio_centavos, in_stock, url, warc_record_id, parser_version, name, image_url) VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9);",rusqlite::params![
-                    res.ean,
-                    res.fetched_at,
-                    res.precio_centavos,
-                    res.in_stock,
-                    res.url,
-                    None::<String>,
-                    res.parser_version,
-                    res.name,
-                    res.image_url,
-                ]).unwrap();
-            }
-            Err(err) => {
-                match err.downcast_ref::<FetchError>() {
-                    Some(FetchError::HttpStatus(StatusCode::NOT_FOUND)) => counters.skipped += 1,
-                    _ => counters.errored += 1,
-                }
-
-                tracing::error!(error=%err, url=url);
-            }
-        }
-    }
-
-    counters
-}
-
-#[derive(Debug, Error)]
-enum FetchError {
-    #[error("reqwest error")]
-    Http(#[from] reqwest::Error),
-    #[error("http status: {0}")]
-    HttpStatus(reqwest::StatusCode),
-    #[error("parse error")]
-    Parse(#[from] SimpleError),
-    #[error("tl error")]
-    Tl(#[from] tl::ParseError),
-}
-
-#[tracing::instrument(skip(client))]
-async fn fetch_and_parse(
-    client: &reqwest::Client,
-    url: String,
-) -> Result<PrecioPoint, anyhow::Error> {
-    let policy = RetryPolicy::exponential(Duration::from_millis(300))
-        .with_max_retries(10)
-        .with_jitter(true);
-
-    let response = policy
-        .retry(|| {
-            let request = client.get(url.as_str()).build().unwrap();
-            client.execute(request)
-        })
-        .await
-        .map_err(FetchError::Http)?;
-    if !response.status().is_success() {
-        bail!(FetchError::HttpStatus(response.status()));
-    }
-    let body = response.text().await.map_err(FetchError::Http)?;
-
-    let maybe_point = { scrap_url(client, url, &body).await };
-
-    let point = match maybe_point {
-        Ok(p) => Ok(p),
-        Err(err) => {
-            let debug_path = PathBuf::from("debug/");
-            tokio::fs::create_dir_all(&debug_path).await.unwrap();
-            let file_path = debug_path.join(format!("{}.html", nanoid!()));
-            tokio::fs::write(&file_path, &body).await.unwrap();
-            tracing::debug!(error=%err, "Failed to parse, saved body at {}",file_path.display());
-            Err(err)
-        }
-    }?;
-
-    Ok(point)
-}
-
-async fn parse_file_cli(file_path: String) -> anyhow::Result<()> {
-    let file = tokio::fs::read_to_string(file_path).await?;
-
-    let client = build_client();
-
-    let url = {
-        let dom = tl::parse(&file, tl::ParserOptions::default())?;
-        dom.query_selector("link[rel=\"canonical\"]")
-            .unwrap()
-            .filter_map(|h| h.get(dom.parser()))
-            .filter_map(|n| n.as_tag())
-            .next()
-            .and_then(|t| t.attributes().get("href").flatten())
-            .expect("No meta canonical")
-            .as_utf8_str()
-            .to_string()
-    };
-
-    println!("URL: {}", &url);
-    println!("{:?}", scrap_url(&client, url, &file).await);
-    Ok(())
-}
-
-async fn scrap_url(
-    client: &reqwest::Client,
-    url: String,
-    body: &str,
-) -> anyhow::Result<PrecioPoint> {
-    let url_p = Url::parse(&url).unwrap();
-    match url_p.host_str().unwrap() {
-        "www.carrefour.com.ar" => {
-            sites::carrefour::parse(url, &tl::parse(&body, tl::ParserOptions::default())?)
-        }
-        "diaonline.supermercadosdia.com.ar" => {
-            sites::dia::parse(url, &tl::parse(&body, tl::ParserOptions::default())?)
-        }
-        "www.cotodigital3.com.ar" => {
-            sites::coto::parse(url, &tl::parse(&body, tl::ParserOptions::default())?)
-        }
-        "www.jumbo.com.ar" => sites::jumbo::scrap(client, url, body).await,
-        s => bail!("Unknown host {}", s),
-    }
-}
-
-use std::time::{SystemTime, UNIX_EPOCH};
-
-mod sites;
-
-#[derive(Debug)]
-struct PrecioPoint {
-    ean: String,
-    // unix
-    fetched_at: u64,
-    precio_centavos: Option<u64>,
-    in_stock: Option<bool>,
-    url: String,
-    parser_version: u16,
-    name: Option<String>,
-    image_url: Option<String>,
-}
-
-fn now_sec() -> u64 {
-    let start = SystemTime::now();
-    let since_the_epoch = start
-        .duration_since(UNIX_EPOCH)
-        .expect("Time went backwards");
-    since_the_epoch.as_secs()
-}

scraper-rs/src/sites/carrefour.rs

@@ -1,68 +0,0 @@
-use simple_error::bail;
-use simple_error::SimpleError;
-
-use crate::sites::common;
-use crate::sites::vtex;
-use crate::PrecioPoint;
-
-use super::vtex::find_product_ld;
-
-pub fn parse(url: String, dom: &tl::VDom) -> Result<PrecioPoint, anyhow::Error> {
-    let precio_centavos = common::price_from_meta(dom)?;
-
-    let in_stock = vtex::in_stock_from_meta(dom)?;
-
-    let ean = {
-        let json = &vtex::parse_script_json(dom, "__STATE__")?;
-        let state = json
-            .as_object()
-            .ok_or(SimpleError::new("Seed state not an object"))?;
-        if state.is_empty() {
-            bail!("Seed state is an empty object")
-        }
-        let (_, product_json) = state
-            .iter()
-            .find(|(key, val)| {
-                key.starts_with("Product:") && val.get("__typename").is_some_and(|t| t == "Product")
-            })
-            .ok_or(SimpleError::new("No product in seed state"))?;
-        let cache_id = product_json
-            .get("cacheId")
-            .and_then(|v| v.as_str())
-            .ok_or(SimpleError::new("No cacheId in seed state"))?;
-        let (_, product_sku_json) = state
-            .iter()
-            .find(|(key, val)| {
-                key.starts_with(&format!("Product:{}", cache_id))
-                    && val.get("__typename").is_some_and(|t| t == "SKU")
-            })
-            .ok_or(SimpleError::new("No Product:cacheId* found"))?;
-        product_sku_json
-            .get("ean")
-            .and_then(|v| v.as_str())
-            .ok_or(SimpleError::new("No product SKU in seed state"))?
-            .to_string()
-    };
-
-    let (name, image_url) = match find_product_ld(dom) {
-        Some(pm) => {
-            let p = pm?;
-            (Some(p.name), Some(p.image))
-        }
-        None => match in_stock {
-            true => bail!("No JSONLD product in in stock product"),
-            false => (None, None),
-        },
-    };
-
-    Ok(PrecioPoint {
-        ean,
-        fetched_at: crate::now_sec(),
-        in_stock: Some(in_stock),
-        name,
-        image_url,
-        parser_version: 5,
-        precio_centavos,
-        url,
-    })
-}

scraper-rs/src/sites/common.rs

@@ -1,19 +0,0 @@
-use std::borrow::Cow;
-
-use tl::VDom;
-
-pub fn get_meta_content<'a>(dom: &'a VDom<'a>, prop: &str) -> Option<Cow<'a, str>> {
-    dom.query_selector(&format!("meta[property=\"{}\"]", prop))
-        .and_then(|mut iter| iter.next())
-        .and_then(|h| h.get(dom.parser()))
-        .and_then(|n| n.as_tag())
-        .and_then(|tag| tag.attributes().get("content").flatten())
-        .map(|s| s.as_utf8_str())
-}
-
-pub fn price_from_meta(dom: &tl::VDom<'_>) -> Result<Option<u64>, anyhow::Error> {
-    let precio_centavos = get_meta_content(dom, "product:price:amount")
-        .map(|s| s.parse::<f64>().map(|f| (f * 100.0) as u64))
-        .transpose()?;
-    Ok(precio_centavos)
-}

scraper-rs/src/sites/coto.rs

@@ -1,77 +0,0 @@
-use anyhow::Context;
-
-use crate::PrecioPoint;
-
-pub fn parse(url: String, dom: &tl::VDom) -> Result<PrecioPoint, anyhow::Error> {
-    let ean = dom
-        .query_selector("div#brandText")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .find(|t| t.inner_text(dom.parser()).as_ref().contains("| EAN: "))
-        .context("No encuentro eanparent")?
-        .query_selector(dom.parser(), "span.span_codigoplu")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .nth(1)
-        .context("no encuentro el ean")?
-        .inner_text(dom.parser())
-        .trim()
-        .to_string();
-
-    let precio_centavos = dom
-        .query_selector(".atg_store_newPrice")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .next()
-        .map(|t| t.inner_text(dom.parser()))
-        .filter(|s| !s.is_empty())
-        .map(|s| {
-            let s = s.replacen('$', "", 1).replace('.', "").replace(',', ".");
-            let s = s.trim();
-            s.parse::<f64>()
-        })
-        .transpose()
-        .context("Parseando precio")?
-        .map(|f| (f * 100.0) as u64);
-
-    let in_stock = Some(
-        dom.query_selector(".product_not_available")
-            .unwrap()
-            .filter_map(|h| h.get(dom.parser()))
-            .filter_map(|n| n.as_tag())
-            .next()
-            .is_some(),
-    );
-
-    let name = dom
-        .query_selector("h1.product_page")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .next()
-        .map(|t| t.inner_text(dom.parser()))
-        .map(|s| s.trim().to_string());
-
-    let image_url = dom
-        .query_selector(".zoomImage1")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .next()
-        .and_then(|t| t.attributes().get("src").flatten())
-        .map(|s| s.as_utf8_str().to_string());
-
-    Ok(PrecioPoint {
-        ean,
-        fetched_at: crate::now_sec(),
-        in_stock,
-        name,
-        image_url,
-        parser_version: 5,
-        precio_centavos,
-        url,
-    })
-}

scraper-rs/src/sites/dia.rs

@@ -1,41 +0,0 @@
-use anyhow::Context;
-use simple_error::bail;
-
-use crate::sites::common;
-use crate::PrecioPoint;
-
-use super::vtex::find_product_ld;
-use super::vtex::AvailabilityLd;
-
-pub fn parse(url: String, dom: &tl::VDom) -> Result<PrecioPoint, anyhow::Error> {
-    let ean = common::get_meta_content(dom, "product:retailer_item_id")
-        .context("Parsing EAN")?
-        .to_string();
-    let precio_centavos = common::price_from_meta(dom)?;
-
-    let (name, image_url, in_stock) = match find_product_ld(dom) {
-        Some(pm) => {
-            let p = pm?;
-            (
-                Some(p.name),
-                Some(p.image),
-                Some(
-                    p.offers.offers.first().context("No offer")?.availability
-                        == AvailabilityLd::InStock,
-                ),
-            )
-        }
-        None => bail!("No JSON/LD"),
-    };
-
-    Ok(PrecioPoint {
-        ean,
-        fetched_at: crate::now_sec(),
-        in_stock,
-        name,
-        image_url,
-        parser_version: 5,
-        precio_centavos,
-        url,
-    })
-}

scraper-rs/src/sites/jumbo.rs

@@ -1,92 +0,0 @@
-use std::str::FromStr;
-
-use anyhow::Context;
-use reqwest::Url;
-use serde::Deserialize;
-use simple_error::bail;
-
-use crate::sites::common;
-use crate::PrecioPoint;
-
-use super::vtex;
-
-#[derive(Deserialize)]
-struct JumboSearch {
-    items: Vec<JumboSearchItem>,
-}
-#[derive(Deserialize)]
-struct JumboSearchItem {
-    ean: String,
-}
-
-async fn get_ean_from_search(
-    client: &reqwest::Client,
-    retailer_sku: String,
-) -> anyhow::Result<String> {
-    let s = client
-        .get({
-            let mut url =
-                Url::from_str("https://www.jumbo.com.ar/api/catalog_system/pub/products/search")
-                    .unwrap();
-            url.set_query(Some(&format!("fq=skuId:{}", retailer_sku)));
-            url
-        })
-        .send()
-        .await?
-        .text()
-        .await?;
-    let ean = {
-        let search: Vec<JumboSearch> = serde_json::from_str(&s)?;
-        let result = search.first().context("No search result")?;
-        let ean = result
-            .items
-            .first()
-            .context("No search result")?
-            .ean
-            .clone();
-        if !result.items.iter().all(|i| i.ean == ean) {
-            bail!("Inesperado: no todos los items tienen el mismo EAN")
-        }
-        ean
-    };
-    Ok(ean)
-}
-
-pub async fn scrap(
-    client: &reqwest::Client,
-    url: String,
-    body: &str,
-) -> Result<PrecioPoint, anyhow::Error> {
-    let (name, image_url, sku, precio_centavos, in_stock) = {
-        let dom = tl::parse(body, tl::ParserOptions::default())?;
-        let precio_centavos = common::price_from_meta(&dom)?;
-        let in_stock = vtex::in_stock_from_meta(&dom)?;
-
-        match vtex::find_product_ld(&dom) {
-            Some(pm) => {
-                let p = pm?;
-                (
-                    Some(p.name),
-                    Some(p.image),
-                    p.sku.context("No retailer SKU in Product LD")?,
-                    precio_centavos,
-                    in_stock,
-                )
-            }
-            None => bail!("No JSON/LD"),
-        }
-    };
-
-    let ean = get_ean_from_search(client, sku).await?;
-
-    Ok(PrecioPoint {
-        ean,
-        fetched_at: crate::now_sec(),
-        in_stock: Some(in_stock),
-        name,
-        image_url,
-        parser_version: 5,
-        precio_centavos,
-        url,
-    })
-}

scraper-rs/src/sites/mod.rs

@@ -1,6 +0,0 @@
-pub mod carrefour;
-mod common;
-pub mod coto;
-pub mod dia;
-pub mod jumbo;
-mod vtex;

scraper-rs/src/sites/vtex.rs

@@ -1,102 +0,0 @@
-use anyhow::{bail, Context};
-use serde::Deserialize;
-use simple_error::SimpleError;
-use tl::VDom;
-
-use super::common;
-
-pub fn parse_script_json(dom: &VDom, varname: &str) -> Result<serde_json::Value, anyhow::Error> {
-    let inner_html = &dom
-        .query_selector("template[data-type=\"json\"]")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()).and_then(|n| n.as_tag()))
-        .find(|t| {
-            t.attributes()
-                .get("data-varname")
-                .flatten()
-                .map_or(false, |v| v.as_utf8_str() == varname)
-        })
-        .ok_or(SimpleError::new("Failed to get template tag"))?
-        .query_selector(dom.parser(), "script")
-        .and_then(|mut it| it.next())
-        .and_then(|h| h.get(dom.parser()))
-        .ok_or(SimpleError::new("Failed to get script tag"))?
-        .inner_html(dom.parser());
-    inner_html.parse().context("Couldn't parse JSON in script")
-}
-
-pub fn get_json_lds<'a>(
-    dom: &'a VDom,
-) -> impl Iterator<Item = std::result::Result<serde_json::Value, serde_json::Error>> + 'a {
-    dom.query_selector("script[type=\"application/ld+json\"]")
-        .unwrap()
-        .filter_map(|h| h.get(dom.parser()))
-        .filter_map(|n| n.as_tag())
-        .map(|t| serde_json::from_str(&t.inner_html(dom.parser())))
-}
-pub fn find_json_ld(dom: &VDom, typ: &str) -> Option<Result<Ld, serde_json::Error>> {
-    get_json_lds(dom)
-        .filter_map(|v| v.ok())
-        .find(|v| v.get("@type").is_some_and(|t| t == typ))
-        .map(serde_json::from_value)
-}
-pub fn find_product_ld(dom: &VDom) -> Option<Result<ProductLd, serde_json::Error>> {
-    find_json_ld(dom, "Product").map(|l| {
-        l.map(|l| match l {
-            Ld::Product(p) => p,
-        })
-    })
-}
-
-#[derive(Deserialize)]
-#[serde(tag = "@type")]
-pub enum Ld {
-    Product(ProductLd),
-}
-
-#[derive(Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct ProductLd {
-    pub name: String,
-    pub image: String,
-    pub sku: Option<String>,
-    pub offers: OffersLd,
-}
-#[derive(Deserialize)]
-pub struct OffersLd {
-    pub offers: Vec<OfferLd>,
-}
-
-#[derive(Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct OfferLd {
-    #[serde(rename = "@type")]
-    _type: OfferTypeLd,
-    pub price: f64,
-    pub price_currency: String,
-    pub availability: AvailabilityLd,
-}
-#[derive(Deserialize)]
-pub enum OfferTypeLd {
-    Offer,
-}
-#[derive(Deserialize, PartialEq)]
-pub enum AvailabilityLd {
-    #[serde(rename = "http://schema.org/InStock")]
-    InStock,
-    #[serde(rename = "http://schema.org/OutOfStock")]
-    OutOfStock,
-}
-
-pub fn in_stock_from_meta(dom: &VDom) -> anyhow::Result<bool> {
-    Ok(
-        match common::get_meta_content(dom, "product:availability") {
-            Some(s) => match s.as_ref() {
-                "oos" => false,
-                "instock" => true,
-                _ => bail!("Not a valid product:availability"),
-            },
-            None => bail!("No product:availability in carrefour"),
-        },
-    )
-}

scraper/auto.ts

@@ -4,6 +4,7 @@ import { join } from "node:path";
 import { Supermercado, hosts, supermercados } from "db-datos/supermercado.js";
 import PQueue from "p-queue";
 import { formatDuration, intervalToDuration } from "date-fns";
+import { downloadList } from "./scrap.js";
 import { db } from "db-datos/db.js";
 import { like } from "drizzle-orm";
 import { productoUrls } from "db-datos/schema.js";
@@ -11,10 +12,9 @@ import { scrapDiaProducts } from "../link-scrapers/dia.js";
 import { scrapCotoProducts } from "../link-scrapers/coto.js";
 import { scrapCarrefourProducts } from "../link-scrapers/carrefour.js";
 import { scrapJumboProducts } from "../link-scrapers/jumbo.js";
-import { readableStreamToText } from "bun";
 
 // hacemos una cola para el scrapeo para no tener varios writers a la BD y no sobrecargar la CPU
-const scrapQueue = new PQueue({ concurrency: 1 });
+const scrapQueue = new PQueue({ concurrency: 4 });
 
 export async function auto() {
   const a = new Auto();
@@ -38,7 +38,11 @@ class Auto {
     this.inform("[auto] Empezando scrap");
   }
 
-  async scrapUrls(supermercado: Supermercado) {
+  async downloadList(supermercado: Supermercado) {
+    const ctxPath = await mkdtemp(join(tmpdir(), "preciazo-scraper-download-"));
+
+    let listPath: string;
+    {
       const t0 = performance.now();
       switch (supermercado) {
         case "Dia":
@@ -59,14 +63,7 @@ class Auto {
       );
     }
 
-  async downloadList(supermercado: Supermercado) {
-    const ctxPath = await mkdtemp(join(tmpdir(), "preciazo-scraper-download-"));
-
-    await scrapQueue.add(async () => {
-      await this.scrapUrls(supermercado);
-    });
-
-    const listPath = join(ctxPath, `lista-${supermercado}.txt`);
+    listPath = join(ctxPath, `lista-${supermercado}.txt`);
     const host = Object.entries(hosts).find(
       ([host, supe]) => supe === supermercado
     )![0];
@@ -85,25 +82,16 @@ class Auto {
   async scrapAndInform({ listPath }: { listPath: string }) {
     const res = await scrapQueue.add(async () => {
       const t0 = performance.now();
-
-      const sub = Bun.spawn({
-        cmd: ["scraper-rs", "fetch-list", listPath],
-        stdio: ["ignore", "pipe", "inherit"],
-      });
-      const text = await readableStreamToText(sub.stdout);
-      const code = await sub.exited;
-      if (code !== 0) throw new Error(`scraper-rs threw ${code}`);
-
-      return { took: performance.now() - t0, text };
+      const progress = await downloadList(listPath);
+      return { took: performance.now() - t0, progress };
     });
 
     if (res) {
-      const { took, text } = res;
+      const { took, progress } = res;
       this.inform(
-        `Procesado ${listPath} (${text}) (tardó ${formatMs(took)})`
-        //(${progress.done} ok, ${
-        //   progress.skipped
-        // } skipped, ${progress.errors.length} errores)
+        `Procesado ${listPath} (${progress.done} ok, ${
+          progress.skipped
+        } skipped, ${progress.errors.length} errores) (tardó ${formatMs(took)})`
       );
     } else {
       this.inform(`Algo falló en ${listPath}`);

scraper/cli.ts

@@ -4,14 +4,9 @@ import { scrapDiaProducts } from "../link-scrapers/dia.js";
 import { scrapJumboProducts } from "../link-scrapers/jumbo.js";
 import { auto } from "./auto.js";
 import { downloadList, getProduct } from "./scrap.js";
-import Cron from "croner";
 
 if (process.argv[2] === "auto") {
   await auto();
-} else if (process.argv[2] === "cron") {
-  Cron("0 2 * * *", () => {
-    auto();
-  });
 } else if (process.argv[2] === "scrap-carrefour-links") {
   await scrapCarrefourProducts();
 } else if (process.argv[2] === "scrap-dia-links") {

scraper/package.json

@@ -13,7 +13,6 @@
   "dependencies": {
     "@aws-sdk/client-s3": "^3.478.0",
     "@aws-sdk/lib-storage": "^3.478.0",
-    "croner": "^8.0.0",
     "date-fns": "^3.0.6",
     "db-datos": "workspace:^",
     "drizzle-orm": "^0.29.1",

sitio/package.json

@@ -38,6 +38,7 @@
     "better-sqlite3": "^9.2.2",
     "chart.js": "^4.4.1",
     "chartjs-adapter-dayjs-4": "^1.0.4",
+    "croner": "^8.0.0",
     "dayjs": "^1.11.10",
     "drizzle-orm": "^0.29.1"
   }

sitio/src/hooks.server.ts

@@ -0,0 +1,12 @@
+import { spawn } from "child_process";
+import Cron from "croner";
+
+if (process.env.NODE_ENV === "production") {
+  const job = Cron("15 3 * * *", () => {
+    runScraper();
+  });
+}
+
+function runScraper() {
+  spawn("bun", ["/bin/scraper", "auto"], { stdio: "inherit" });
+}