mirror of
https://github.com/catdevnull/preciazo.git
synced 2024-11-22 06:16:18 +00:00
scrapear urls a BD
This commit is contained in:
parent
de3bf4900c
commit
98a699e454
11 changed files with 365 additions and 159 deletions
|
|
@ -1,23 +1,24 @@
|
|||
import { getHtml } from "../scraper/fetch.js";
|
||||
import { parseHTML } from "linkedom";
|
||||
import PQueue from "p-queue";
|
||||
import { saveUrls } from "db-datos/urlHelpers.js";
|
||||
|
||||
// let fetched = new Set<string>();
|
||||
{
|
||||
export async function scrapCotoProducts() {
|
||||
const initial =
|
||||
"https://www.cotodigital3.com.ar/sitios/cdigi/browse?Nf=product.endDate%7CGTEQ+1.7032032E12%7C%7Cproduct.startDate%7CLTEQ+1.7032032E12&No=2200&Nr=AND%28product.sDisp_200%3A1004%2Cproduct.language%3Aespa%C3%B1ol%2COR%28product.siteId%3ACotoDigital%29%29&Nrpp=200";
|
||||
|
||||
const queue = new PQueue({ concurrency: 2 });
|
||||
const queue = new PQueue({ concurrency: 4 });
|
||||
|
||||
const pageSize = 300; // hasta 1000
|
||||
const links = Array.from({ length: Math.ceil(29000 / 300) }, (x, i) => i).map(
|
||||
(i) => {
|
||||
const url = new URL(initial);
|
||||
url.searchParams.set("No", `${i * pageSize}`);
|
||||
url.searchParams.set("Nrpp", `${pageSize}`);
|
||||
return url.toString();
|
||||
}
|
||||
);
|
||||
const links = Array.from(
|
||||
{ length: Math.ceil(29000 / pageSize) },
|
||||
(x, i) => i
|
||||
).map((i) => {
|
||||
const url = new URL(initial);
|
||||
url.searchParams.set("No", `${i * pageSize}`);
|
||||
url.searchParams.set("Nrpp", `${pageSize}`);
|
||||
return url.toString();
|
||||
});
|
||||
|
||||
const promises = links.map((l) => queue.add(getPage(l)));
|
||||
await Promise.all(promises);
|
||||
|
|
@ -38,22 +39,6 @@ function getPage(url: string) {
|
|||
document.querySelectorAll<HTMLAnchorElement>(".product_info_container a"),
|
||||
(a) => new URL(a.href, url).toString()
|
||||
);
|
||||
hrefs.forEach((h) => process.stdout.write(h + "\n"));
|
||||
|
||||
// const nextLinks = Array.from(
|
||||
// document.querySelectorAll<HTMLAnchorElement>(
|
||||
// "#atg_store_pagination a[href]"
|
||||
// ),
|
||||
// (a) => new URL(a.href, url).toString()
|
||||
// );
|
||||
|
||||
// await Promise.all(
|
||||
// nextLinks
|
||||
// .filter((l) => !fetched.has(l))
|
||||
// .map((l) => {
|
||||
// fetched.add(l);
|
||||
// return queue.add(getPage(l));
|
||||
// })
|
||||
// );
|
||||
saveUrls(hrefs);
|
||||
};
|
||||
}
|
||||
|
|
|
|||
10
db-datos/db.ts
Normal file
10
db-datos/db.ts
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
import { Database } from "bun:sqlite";
|
||||
import { drizzle } from "drizzle-orm/bun-sqlite";
|
||||
import { DB_PATH } from "./drizzle.config.js";
|
||||
import { migrateDb } from "./migrate.js";
|
||||
import * as schema from "./schema.js";
|
||||
|
||||
migrateDb();
|
||||
|
||||
export const sqlite = new Database(DB_PATH);
|
||||
export const db = drizzle(sqlite, { schema });
|
||||
8
db-datos/drizzle/0009_breezy_forge.sql
Normal file
8
db-datos/drizzle/0009_breezy_forge.sql
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
CREATE TABLE `producto_urls` (
|
||||
`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
|
||||
`url` text NOT NULL,
|
||||
`first_seen` integer NOT NULL,
|
||||
`last_seen` integer NOT NULL
|
||||
);
|
||||
--> statement-breakpoint
|
||||
CREATE UNIQUE INDEX `producto_urls_url_unique` ON `producto_urls` (`url`);
|
||||
146
db-datos/drizzle/meta/0009_snapshot.json
Normal file
146
db-datos/drizzle/meta/0009_snapshot.json
Normal file
|
|
@ -0,0 +1,146 @@
|
|||
{
|
||||
"version": "5",
|
||||
"dialect": "sqlite",
|
||||
"id": "2e398920-ffaf-4d55-ae13-d906cb9e0efa",
|
||||
"prevId": "082630a9-3744-4e33-bde5-06045ca57d36",
|
||||
"tables": {
|
||||
"precios": {
|
||||
"name": "precios",
|
||||
"columns": {
|
||||
"id": {
|
||||
"name": "id",
|
||||
"type": "integer",
|
||||
"primaryKey": true,
|
||||
"notNull": true,
|
||||
"autoincrement": true
|
||||
},
|
||||
"ean": {
|
||||
"name": "ean",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
},
|
||||
"fetched_at": {
|
||||
"name": "fetched_at",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
},
|
||||
"precio_centavos": {
|
||||
"name": "precio_centavos",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
},
|
||||
"in_stock": {
|
||||
"name": "in_stock",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
},
|
||||
"url": {
|
||||
"name": "url",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
},
|
||||
"warc_record_id": {
|
||||
"name": "warc_record_id",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
},
|
||||
"parser_version": {
|
||||
"name": "parser_version",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
},
|
||||
"name": {
|
||||
"name": "name",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
},
|
||||
"image_url": {
|
||||
"name": "image_url",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": false,
|
||||
"autoincrement": false
|
||||
}
|
||||
},
|
||||
"indexes": {
|
||||
"precios_ean_idx": {
|
||||
"name": "precios_ean_idx",
|
||||
"columns": [
|
||||
"ean"
|
||||
],
|
||||
"isUnique": false
|
||||
}
|
||||
},
|
||||
"foreignKeys": {},
|
||||
"compositePrimaryKeys": {},
|
||||
"uniqueConstraints": {}
|
||||
},
|
||||
"producto_urls": {
|
||||
"name": "producto_urls",
|
||||
"columns": {
|
||||
"id": {
|
||||
"name": "id",
|
||||
"type": "integer",
|
||||
"primaryKey": true,
|
||||
"notNull": true,
|
||||
"autoincrement": true
|
||||
},
|
||||
"url": {
|
||||
"name": "url",
|
||||
"type": "text",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
},
|
||||
"first_seen": {
|
||||
"name": "first_seen",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
},
|
||||
"last_seen": {
|
||||
"name": "last_seen",
|
||||
"type": "integer",
|
||||
"primaryKey": false,
|
||||
"notNull": true,
|
||||
"autoincrement": false
|
||||
}
|
||||
},
|
||||
"indexes": {
|
||||
"producto_urls_url_unique": {
|
||||
"name": "producto_urls_url_unique",
|
||||
"columns": [
|
||||
"url"
|
||||
],
|
||||
"isUnique": true
|
||||
}
|
||||
},
|
||||
"foreignKeys": {},
|
||||
"compositePrimaryKeys": {},
|
||||
"uniqueConstraints": {}
|
||||
}
|
||||
},
|
||||
"enums": {},
|
||||
"_meta": {
|
||||
"schemas": {},
|
||||
"tables": {},
|
||||
"columns": {}
|
||||
}
|
||||
}
|
||||
|
|
@ -64,6 +64,13 @@
|
|||
"when": 1703807460152,
|
||||
"tag": "0008_funny_nighthawk",
|
||||
"breakpoints": true
|
||||
},
|
||||
{
|
||||
"idx": 9,
|
||||
"version": "5",
|
||||
"when": 1703895109501,
|
||||
"tag": "0009_breezy_forge",
|
||||
"breakpoints": true
|
||||
}
|
||||
]
|
||||
}
|
||||
|
|
@ -22,3 +22,12 @@ export const precios = sqliteTable(
|
|||
);
|
||||
|
||||
export type Precio = typeof precios.$inferSelect;
|
||||
|
||||
export const productoUrls = sqliteTable("producto_urls", {
|
||||
id: integer("id", { mode: "number" }).primaryKey({ autoIncrement: true }),
|
||||
url: text("url").unique().notNull(),
|
||||
firstSeen: integer("first_seen", { mode: "timestamp" }).notNull(),
|
||||
lastSeen: integer("last_seen", { mode: "timestamp" }).notNull(),
|
||||
});
|
||||
|
||||
export type ProductUrl = typeof productoUrls.$inferSelect;
|
||||
|
|
|
|||
25
db-datos/urlHelpers.ts
Normal file
25
db-datos/urlHelpers.ts
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
import { sql } from "drizzle-orm";
|
||||
import { db } from "./db.js";
|
||||
import { productoUrls } from "./schema.js";
|
||||
|
||||
export function saveUrls(urls: string[]) {
|
||||
db.transaction((tx) => {
|
||||
const now = new Date();
|
||||
const insertUrlTra = tx
|
||||
.insert(productoUrls)
|
||||
.values({
|
||||
url: sql.placeholder("url"),
|
||||
firstSeen: now,
|
||||
lastSeen: now,
|
||||
})
|
||||
.onConflictDoUpdate({
|
||||
target: productoUrls.url,
|
||||
set: { lastSeen: now },
|
||||
})
|
||||
.prepare();
|
||||
|
||||
for (const href of urls) {
|
||||
insertUrlTra.run({ url: href });
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
@ -1,94 +1,110 @@
|
|||
import pMap from "p-map";
|
||||
import { parseHTML } from "linkedom";
|
||||
import { getHtml } from "../scraper/fetch.js";
|
||||
(async () => {
|
||||
const categorias = [
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/conservas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/aceites-y-aderezos",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/pastas-secas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/arroz-y-legumbres",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/panaderia",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/golosinas-y-alfajores",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/reposteria",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/comidas-listas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/harinas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/picadas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/panaderia/pan-rallado-y-rebozadores",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/galletitas-y-cereales",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/infusiones-y-endulzantes",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/para-untar",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/leches",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/fiambreria",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/lacteos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/carniceria",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/pastas-frescas",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/listos-para-disfrutar",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/frutas",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/verduras",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/huevos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/frutos-secos",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/gaseosas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/cervezas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/aguas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/bodega",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/jugos-e-isot%C3%B3nicas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/aperitivos",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/bebidas-blancas-y-licores",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/hamburguesas-y-medallones",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/rebozados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/vegetales-congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/postres-congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/pescaderia",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/papas-congeladas",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/comidas-congeladas",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/hielo",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/cuidado-de-la-ropa",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/papeleria",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/limpiadores",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/limpieza-de-cocina",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/accesorios-de-limpieza",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/desodorantes-de-ambiente",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/insecticidas",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/fosforos-y-velas",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/bolsas",
|
||||
"https://diaonline.supermercadosdia.com.ar/4160?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4136?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4143?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4189?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4086?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/2089?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
import { saveUrls } from "db-datos/urlHelpers.js";
|
||||
|
||||
const categorias = [
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/conservas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/aceites-y-aderezos",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/pastas-secas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/arroz-y-legumbres",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/panaderia",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/golosinas-y-alfajores",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/reposteria",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/comidas-listas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/harinas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/picadas",
|
||||
"https://diaonline.supermercadosdia.com.ar/almacen/panaderia/pan-rallado-y-rebozadores",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/galletitas-y-cereales",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/infusiones-y-endulzantes",
|
||||
"https://diaonline.supermercadosdia.com.ar/desayuno/para-untar",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/leches",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/fiambreria",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/lacteos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/carniceria",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/pastas-frescas",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/listos-para-disfrutar",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/frutas",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/verduras",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/huevos",
|
||||
"https://diaonline.supermercadosdia.com.ar/frescos/frutas-y-verduras/frutos-secos",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/gaseosas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/cervezas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/aguas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/bodega",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/jugos-e-isot%C3%B3nicas",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/aperitivos",
|
||||
"https://diaonline.supermercadosdia.com.ar/bebidas/bebidas-blancas-y-licores",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/hamburguesas-y-medallones",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/rebozados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/vegetales-congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/postres-congelados",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/pescaderia",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/papas-congeladas",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/comidas-congeladas",
|
||||
"https://diaonline.supermercadosdia.com.ar/congelados/hielo",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/cuidado-de-la-ropa",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/papeleria",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/limpiadores",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/limpieza-de-cocina",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/accesorios-de-limpieza",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/desodorantes-de-ambiente",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/insecticidas",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/fosforos-y-velas",
|
||||
"https://diaonline.supermercadosdia.com.ar/limpieza/bolsas",
|
||||
"https://diaonline.supermercadosdia.com.ar/4160?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4136?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4143?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4189?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/4086?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
"https://diaonline.supermercadosdia.com.ar/2089?map=productClusterIds&order=OrderByBestDiscountDESC",
|
||||
];
|
||||
|
||||
export async function scrapDiaProducts() {
|
||||
await Promise.all([scrapBySite(), scrapBySitemap()]);
|
||||
}
|
||||
|
||||
async function scrapBySitemap() {
|
||||
// de https://diaonline.supermercadosdia.com.ar/sitemap.xml
|
||||
const sitemaps = [
|
||||
"https://diaonline.supermercadosdia.com.ar/sitemap/product-1.xml",
|
||||
"https://diaonline.supermercadosdia.com.ar/sitemap/product-2.xml",
|
||||
"https://diaonline.supermercadosdia.com.ar/sitemap/product-3.xml",
|
||||
"https://diaonline.supermercadosdia.com.ar/sitemap/product-4.xml",
|
||||
"https://diaonline.supermercadosdia.com.ar/sitemap/product-5.xml",
|
||||
];
|
||||
|
||||
const links = categorias.flatMap(
|
||||
(link) =>
|
||||
Array.from({ length: 51 }, (x, i) => i).map((i) => {
|
||||
const url = new URL(link);
|
||||
url.searchParams.set("page", `${i}`);
|
||||
return url.toString();
|
||||
await pMap(sitemaps, async (sitemapUrl) => {
|
||||
const res = await fetch(sitemapUrl);
|
||||
const xml = await res.text();
|
||||
let urls = new Set<string>();
|
||||
new HTMLRewriter()
|
||||
.on("loc", {
|
||||
text(element) {
|
||||
const txt = element.text.trim();
|
||||
if (!txt) return;
|
||||
urls.add(txt);
|
||||
},
|
||||
})
|
||||
.transform(new Response(xml));
|
||||
saveUrls(Array.from(urls));
|
||||
});
|
||||
}
|
||||
|
||||
// el order solo carga con el frontend :(
|
||||
// .flatMap((link) =>
|
||||
// [
|
||||
// "OrderByNameASC",
|
||||
// "OrderByNameDESC",
|
||||
// "OrderByTopSaleDESC",
|
||||
// "OrderByPriceDESC",
|
||||
// "OrderByPriceASC",
|
||||
// "",
|
||||
// ].map((order) => {
|
||||
// const url = new URL(link);
|
||||
// url.searchParams.set("order", order);
|
||||
// return url.toString();
|
||||
// })
|
||||
// )
|
||||
async function scrapBySite() {
|
||||
const links = categorias.flatMap((link) =>
|
||||
Array.from({ length: 51 }, (x, i) => i).map((i) => {
|
||||
const url = new URL(link);
|
||||
url.searchParams.set("page", `${i}`);
|
||||
return url.toString();
|
||||
})
|
||||
);
|
||||
|
||||
await pMap(
|
||||
|
|
@ -103,8 +119,8 @@ import { getHtml } from "../scraper/fetch.js";
|
|||
),
|
||||
(a) => new URL(a.href, url).toString()
|
||||
);
|
||||
hrefs.forEach((h) => process.stdout.write(h + "\n"));
|
||||
saveUrls(hrefs);
|
||||
},
|
||||
{ concurrency: 32 }
|
||||
);
|
||||
})();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,14 +1,19 @@
|
|||
import { mkdtemp, access } from "node:fs/promises";
|
||||
import { mkdtemp, access, writeFile } from "node:fs/promises";
|
||||
import { tmpdir } from "node:os";
|
||||
import { join, resolve } from "node:path";
|
||||
import { spawn } from "node:child_process";
|
||||
import { Supermercado } from "db-datos/supermercado.js";
|
||||
import { Supermercado, hosts } from "db-datos/supermercado.js";
|
||||
import PQueue from "p-queue";
|
||||
import { format, formatDuration, intervalToDuration } from "date-fns";
|
||||
import { parseWarc } from "./scrap.js";
|
||||
import { S3Client } from "@aws-sdk/client-s3";
|
||||
import { Upload } from "@aws-sdk/lib-storage";
|
||||
import { BunFile } from "bun";
|
||||
import { db } from "db-datos/db.js";
|
||||
import { like } from "drizzle-orm";
|
||||
import { productoUrls } from "db-datos/schema.js";
|
||||
import { scrapDiaProducts } from "../dia-link-scraper/index.js";
|
||||
import { scrapCotoProducts } from "../coto-link-scraper/index.js";
|
||||
|
||||
const supermercados: Supermercado[] = [
|
||||
Supermercado.Carrefour,
|
||||
|
|
@ -71,11 +76,41 @@ class Auto {
|
|||
}
|
||||
|
||||
async downloadList(supermercado: Supermercado) {
|
||||
const listPath = resolve(
|
||||
join(process.env.LISTS_DIR ?? "../data", `${supermercado}.txt`)
|
||||
);
|
||||
const date = new Date();
|
||||
const ctxPath = await mkdtemp(join(tmpdir(), "preciazo-scraper-wget-"));
|
||||
|
||||
let listPath: string;
|
||||
if (supermercado === "Carrefour") {
|
||||
// TODO: carrefour todavía no tiene un scraper que guarde a la BD
|
||||
listPath = resolve(
|
||||
join(process.env.LISTS_DIR ?? "../data", `${supermercado}.txt`)
|
||||
);
|
||||
} else {
|
||||
const t0 = performance.now();
|
||||
switch (supermercado) {
|
||||
case "Dia":
|
||||
await scrapDiaProducts();
|
||||
break;
|
||||
case "Coto":
|
||||
await scrapCotoProducts();
|
||||
break;
|
||||
}
|
||||
this.inform(
|
||||
`[scrapUrls[${supermercado}]] Tardó ${formatMs(performance.now() - t0)}`
|
||||
);
|
||||
|
||||
listPath = join(ctxPath, `lista-${supermercado}.txt`);
|
||||
const host = Object.entries(hosts).find(
|
||||
([host, supe]) => supe === supermercado
|
||||
)![0];
|
||||
const results = await db.query.productoUrls
|
||||
.findMany({
|
||||
where: like(productoUrls.url, `%${host}%`),
|
||||
})
|
||||
.execute();
|
||||
const urls = results.map((r) => r.url);
|
||||
await writeFile(listPath, urls.join("\n") + "\n");
|
||||
}
|
||||
const date = new Date();
|
||||
const zstdWarcName = `${supermercado}-${format(
|
||||
date,
|
||||
"yyyy-MM-dd-HH:mm"
|
||||
|
|
@ -98,7 +133,7 @@ class Auto {
|
|||
const t0 = performance.now();
|
||||
await subproc.exited;
|
||||
this.inform(
|
||||
`wget para ${zstdWarcName} tardó ${formatMs(performance.now() - t0)}`
|
||||
`[wget] ${zstdWarcName} tardó ${formatMs(performance.now() - t0)}`
|
||||
);
|
||||
|
||||
const gzippedWarcPath = join(ctxPath, "temp.warc.gz");
|
||||
|
|
@ -187,7 +222,6 @@ class Auto {
|
|||
stdio: ["pipe", null, null],
|
||||
}
|
||||
);
|
||||
// @ts-expect-error a los types de bun no le gusta????
|
||||
decompressor.stdout.pipe(compressor.stdin);
|
||||
compressor.on("close", (code) => {
|
||||
if (code !== 0) {
|
||||
|
|
|
|||
|
|
@ -1,32 +1,6 @@
|
|||
import { request } from "undici";
|
||||
import { createBrotliDecompress, createUnzip } from "node:zlib";
|
||||
import { pipeline } from "node:stream/promises";
|
||||
|
||||
export async function getHtml(url: string) {
|
||||
const res = await request(url, {
|
||||
headers: {
|
||||
"Accept-Encoding": "gzip, deflate, br",
|
||||
},
|
||||
throwOnError: true,
|
||||
bodyTimeout: 10 * 60 * 1000,
|
||||
});
|
||||
let output: Buffer;
|
||||
switch (res.headers["content-encoding"]) {
|
||||
case "gzip":
|
||||
case "deflate":
|
||||
output = await pipeline(res.body, createUnzip(), readableToBuffer);
|
||||
break;
|
||||
case "br":
|
||||
output = await pipeline(
|
||||
res.body,
|
||||
createBrotliDecompress(),
|
||||
readableToBuffer
|
||||
);
|
||||
break;
|
||||
default:
|
||||
output = await readableToBuffer(res.body);
|
||||
}
|
||||
return output;
|
||||
const res = await fetch(url);
|
||||
return readableToBuffer(res.body!);
|
||||
}
|
||||
|
||||
async function readableToBuffer(source: AsyncIterable<any>) {
|
||||
|
|
|
|||
|
|
@ -1,5 +1,3 @@
|
|||
import { Database } from "bun:sqlite";
|
||||
import { drizzle } from "drizzle-orm/bun-sqlite";
|
||||
import * as schema from "db-datos/schema.js";
|
||||
import { WARCParser } from "warcio";
|
||||
import { writeFile } from "fs/promises";
|
||||
|
|
@ -9,17 +7,11 @@ import { getDiaProduct } from "./parsers/dia.js";
|
|||
import { getCotoProduct } from "./parsers/coto.js";
|
||||
import { join } from "path";
|
||||
import { and, eq, sql } from "drizzle-orm";
|
||||
import { DB_PATH } from "db-datos/drizzle.config.js";
|
||||
import { migrateDb } from "db-datos/migrate.js";
|
||||
import { db } from "db-datos/db.js";
|
||||
|
||||
const DEBUG = false;
|
||||
const PARSER_VERSION = 3;
|
||||
|
||||
migrateDb();
|
||||
|
||||
const sqlite = new Database(DB_PATH);
|
||||
const db = drizzle(sqlite, { schema });
|
||||
|
||||
const getPrevPrecio = db
|
||||
.select({ id: schema.precios.id })
|
||||
.from(schema.precios)
|
||||
|
|
|
|||
Loading…
Reference in a new issue