.gitignore

@@ -5,5 +5,3 @@ node_modules/
 target/
 .env.*
 
-
-.DS_Store

pnpm-lock.yaml

@@ -39,6 +39,9 @@ importers:
       dayjs:
         specifier: ^1.11.10
         version: 1.11.10
+      drizzle-kit:
+        specifier: ^0.23.0
+        version: 0.23.0
       drizzle-orm:
         specifier: ^0.32.0
         version: 0.32.0(@types/better-sqlite3@7.6.9)(better-sqlite3@11.1.2)

rust/.sqlx/query-71faba058f0a18e9aff6a12cc78353d3007dea8830088b07b67bfe86084a8ee2.json

@@ -6,7 +6,7 @@
       {
         "name": "count",
         "ordinal": 0,
-        "type_info": "Integer"
+        "type_info": "Int"
       }
     ],
     "parameters": {

rust/.sqlx/query-e683ce875cc7e84586de163cdfd8d0bca2a1e679aebce4644fe0b31d639a1be4.json

@@ -6,7 +6,7 @@
       {
         "name": "count",
         "ordinal": 0,
-        "type_info": "Integer"
+        "type_info": "Int"
       }
     ],
     "parameters": {

rust/Cargo.lock

@@ -35,6 +35,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
  "cfg-if",
+ "getrandom 0.2.15",
  "once_cell",
  "version_check",
  "zerocopy",
@@ -162,7 +163,7 @@ checksum = "6e0c28dcc82d7c8ead5cb13beb15405b57b8546e93215673ff8ca0349a028107"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -385,10 +386,10 @@ version = "4.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2bac35c6dafb060fd4d275d9a4ffae97917c13a6327903a8be2153cd964f7085"
 dependencies = [
- "heck",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -403,15 +404,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b6a852b24ab71dffc585bcb46eaf7959d175cb865a7152e35b348d1b2960422"
 
-[[package]]
-name = "concurrent-queue"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
-dependencies = [
- "crossbeam-utils",
-]
-
 [[package]]
 name = "const-oid"
 version = "0.9.6"
@@ -560,14 +552,9 @@ dependencies = [
 
 [[package]]
 name = "event-listener"
-version = "5.3.1"
+version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6032be9bd27023a771701cc49f9f053c751055f71efb2e0ae5c15809093675ba"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
-dependencies = [
- "concurrent-queue",
- "parking",
- "pin-project-lite",
-]
 
 [[package]]
 name = "fastrand"
@@ -678,7 +665,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -761,13 +748,22 @@ dependencies = [
 
 [[package]]
 name = "hashlink"
-version = "0.9.1"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ba4ff7128dee98c7dc9794b6a411377e1404dba1c97deb8d1a55297bd25d8af"
+checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7"
 dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1037,9 +1033,9 @@ checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
 [[package]]
 name = "libsqlite3-sys"
-version = "0.28.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c10584274047cb335c23d3e61bcef8e323adae7c5c8c760540f73610177fc3f"
+checksum = "cf4e226dcd58b4be396f7bd3c20da8fdee2911400705297ba7d2d7cc2c30f716"
 dependencies = [
  "cc",
  "pkg-config",
@@ -1238,12 +1234,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
-[[package]]
-name = "parking"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
-
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1330,7 +1320,7 @@ checksum = "2f38a4412a78282e09a2cf38d195ea5420d15ba0602cb375210efbc877243965"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -1804,7 +1794,7 @@ checksum = "e0cd7e117be63d3c3678776753929474f3b04a43a080c744d6b0ae2a8c28e222"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -1910,9 +1900,6 @@ name = "smallvec"
 version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
-dependencies = [
- "serde",
-]
 
 [[package]]
 name = "socket2"
@@ -1955,9 +1942,9 @@ dependencies = [
 
 [[package]]
 name = "sqlx"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27144619c6e5802f1380337a209d2ac1c431002dd74c6e60aebff3c506dc4f0c"
+checksum = "c9a2ccff1a000a5a59cd33da541d9f2fdcd9e6e8229cc200565942bff36d0aaa"
 dependencies = [
  "sqlx-core",
  "sqlx-macros",
@@ -1968,10 +1955,11 @@ dependencies = [
 
 [[package]]
 name = "sqlx-core"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a999083c1af5b5d6c071d34a708a19ba3e02106ad82ef7bbd69f5e48266b613b"
+checksum = "24ba59a9342a3d9bab6c56c118be528b27c9b60e490080e9711a04dccac83ef6"
 dependencies = [
+ "ahash",
  "atoi",
  "byteorder",
  "bytes",
@@ -1985,7 +1973,6 @@ dependencies = [
  "futures-intrusive",
  "futures-io",
  "futures-util",
- "hashbrown",
  "hashlink",
  "hex",
  "indexmap",
@@ -2008,26 +1995,26 @@ dependencies = [
 
 [[package]]
 name = "sqlx-macros"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a23217eb7d86c584b8cbe0337b9eacf12ab76fe7673c513141ec42565698bb88"
+checksum = "4ea40e2345eb2faa9e1e5e326db8c34711317d2b5e08d0d5741619048a803127"
 dependencies = [
  "proc-macro2",
  "quote",
  "sqlx-core",
  "sqlx-macros-core",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "sqlx-macros-core"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a099220ae541c5db479c6424bdf1b200987934033c2584f79a0e1693601e776"
+checksum = "5833ef53aaa16d860e92123292f1f6a3d53c34ba8b1969f152ef1a7bb803f3c8"
 dependencies = [
  "dotenvy",
  "either",
- "heck",
+ "heck 0.4.1",
  "hex",
  "once_cell",
  "proc-macro2",
@@ -2039,7 +2026,7 @@ dependencies = [
  "sqlx-mysql",
  "sqlx-postgres",
  "sqlx-sqlite",
- "syn",
+ "syn 1.0.109",
  "tempfile",
  "tokio",
  "url",
@@ -2047,12 +2034,12 @@ dependencies = [
 
 [[package]]
 name = "sqlx-mysql"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5afe4c38a9b417b6a9a5eeffe7235d0a106716495536e7727d1c7f4b1ff3eba6"
+checksum = "1ed31390216d20e538e447a7a9b959e06ed9fc51c37b514b46eb758016ecd418"
 dependencies = [
  "atoi",
- "base64 0.22.1",
+ "base64 0.21.7",
  "bitflags 2.6.0",
  "byteorder",
  "bytes",
@@ -2090,12 +2077,12 @@ dependencies = [
 
 [[package]]
 name = "sqlx-postgres"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1dbb157e65f10dbe01f729339c06d239120221c9ad9fa0ba8408c4cc18ecf21"
+checksum = "7c824eb80b894f926f89a0b9da0c7f435d27cdd35b8c655b114e58223918577e"
 dependencies = [
  "atoi",
- "base64 0.22.1",
+ "base64 0.21.7",
  "bitflags 2.6.0",
  "byteorder",
  "chrono",
@@ -2129,9 +2116,9 @@ dependencies = [
 
 [[package]]
 name = "sqlx-sqlite"
-version = "0.8.0"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b2cdd83c008a622d94499c0006d8ee5f821f36c89b7d625c900e5dc30b5c5ee"
+checksum = "b244ef0a8414da0bed4bb1910426e890b19e5e9bccc27ada6b797d05c55ae0aa"
 dependencies = [
  "atoi",
  "chrono",
@@ -2145,10 +2132,10 @@ dependencies = [
  "log",
  "percent-encoding",
  "serde",
- "serde_urlencoded",
  "sqlx-core",
  "tracing",
  "url",
+ "urlencoding",
 ]
 
 [[package]]
@@ -2174,6 +2161,17 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.71"
@@ -2226,7 +2224,7 @@ checksum = "d20468752b09f49e909e55a5d338caa8bedf615594e9d80bc4c565d30faf798c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -2287,7 +2285,7 @@ checksum = "5f5ae998a069d4b5aba8ee9dad856af7d520c3699e6159b185c2acd48155d39a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -2385,7 +2383,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]
@@ -2466,6 +2464,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4259d9d4425d9f0661581b804cb85fe66a4c631cadd8f490d1c13a35d5d9291"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
+
 [[package]]
 name = "unicode_categories"
 version = "0.1.1"
@@ -2489,6 +2493,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "urlencoding"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
+
 [[package]]
 name = "utf8-width"
 version = "0.1.7"
@@ -2567,7 +2577,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
  "wasm-bindgen-shared",
 ]
 
@@ -2601,7 +2611,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2853,7 +2863,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.71",
 ]
 
 [[package]]

rust/Cargo.toml

@@ -12,7 +12,7 @@ base64 = "0.21.7"
 chrono = "0.4"
 clap = { version = "4.4.15", features = ["derive"] }
 cron = "0.12.0"
-sqlx = { version = "0.8", features = [ "runtime-tokio", "sqlite", "chrono", "json" ] }
+sqlx = { version = "0.7", features = [ "runtime-tokio", "sqlite", "chrono" ] }
 futures = "0.3.30"
 html-escape = "0.2.13"
 itertools = "0.12.0"

rust/src/api/main.rs

@@ -1,4 +1,4 @@
-use axum::{extract::State, http::StatusCode, response::IntoResponse, routing::get, Json, Router};
+use axum::{extract::State, http::StatusCode, response::IntoResponse, routing::get, Router};
 use clap::ValueEnum;
 use futures::future::join_all;
 use itertools::Itertools;
@@ -96,76 +96,34 @@ async fn healthcheck(State(pool): State<SqlitePool>) -> impl IntoResponse {
 }
 
 #[derive(Serialize)]
-struct CategoryWithProducts {
+struct CategoryWithProducts {}
-    category: String,
-    products: Vec<Product>,
-}
-
-#[derive(Serialize)]
-struct Product {
-    ean: String,
-    name: Option<String>,
-    image_url: Option<String>,
-}
 
 async fn get_best_selling(State(pool): State<SqlitePool>) -> impl IntoResponse {
-    #[derive(sqlx::FromRow, Debug)]
+    let categories = sqlx::query!(
-    struct ProductWithCategory {
+        "SELECT fetched_at, category, eans_json FROM db_best_selling
-        category: String,
+        GROUP BY category
-        ean: String,
+        HAVING MAX(fetched_at)",
-        name: Option<String>,
-        image_url: Option<String>,
-    }
-
-    let products_with_category = sqlx::query_as::<_, ProductWithCategory>(
-        "with latest_best_selling as (
-            select category, eans_json
-            from db_best_selling
-            group by category
-            having max(fetched_at)
-        ),
-        extracted_eans as (
-            select latest_best_selling.category, json.value as ean
-            from latest_best_selling, json_each(latest_best_selling.eans_json) json
-        )
-        select extracted_eans.category, extracted_eans.ean, precios.image_url, name
-        from extracted_eans
-        join precios
-        on extracted_eans.ean = precios.ean
-        where
-            precios.fetched_at = (
-                SELECT MAX(fetched_at)
-                FROM precios
-                WHERE ean = extracted_eans.ean
-            )",
     )
     .fetch_all(&pool)
     .await
     .unwrap();
 
-    let categories = products_with_category
+    categories.iter().map(|category| {
-        .iter()
+        let eans =
-        .map(|p| p.category.clone())
+            serde_json::de::from_str::<Vec<String>>(&category.eans_json.clone().unwrap()).unwrap();
-        .unique()
+        let products = sqlx::query!(
-        .collect_vec();
+            "SELECT ean, name, image_url FROM precios
+        WHERE ean in (?)
+        GROUP BY ean
+        HAVING MAX(fetched_at)",
+            eans,
+        )
+        .fetch_all(&pool)
+        .await
+        .unwrap();
+    });
 
-    let categories_with_products = categories
+    todo!()
-        .into_iter()
-        .map(|c| CategoryWithProducts {
-            category: c.clone(),
-            products: products_with_category
-                .iter()
-                .filter(|p| p.category == c)
-                .map(|p| Product {
-                    ean: p.ean.clone(),
-                    image_url: p.image_url.clone(),
-                    name: p.name.clone(),
-                })
-                .collect_vec(),
-        })
-        .collect_vec();
-
-    Json(categories_with_products)
 }
 
 #[tokio::main]
@@ -173,7 +131,7 @@ async fn main() {
     tracing_subscriber::fmt::init();
 
     let pool = SqlitePoolOptions::new()
-        .max_connections(10)
+        .max_connections(1)
         .connect_with(
             SqliteConnectOptions::from_str(&format!(
                 "sqlite://{}",
@@ -181,26 +139,12 @@ async fn main() {
             ))
             .unwrap()
             .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
-            .synchronous(sqlx::sqlite::SqliteSynchronous::Normal)
+            .busy_timeout(Duration::from_secs(15))
-            .busy_timeout(Duration::from_secs(30))
             .optimize_on_close(true, None),
         )
         .await
         .expect("can't connect to database");
 
-    sqlx::query("pragma temp_store = memory;")
-        .execute(&pool)
-        .await
-        .unwrap();
-    sqlx::query("pragma mmap_size = 30000000000;")
-        .execute(&pool)
-        .await
-        .unwrap();
-    sqlx::query("pragma page_size = 4096;")
-        .execute(&pool)
-        .await
-        .unwrap();
-
     let app = Router::new()
         .route("/", get(index))
         .route("/api/healthcheck", get(healthcheck))

sitio/src/lib/ProductPreview.svelte

@@ -1,5 +1,5 @@
 <script lang="ts" context="module">
-  export type Product = { ean: string; name: string; image_url: string | null };
+  export type Product = { ean: string; name: string; imageUrl: string | null };
 </script>
 
 <script lang="ts">
@@ -7,9 +7,9 @@
 </script>
 
 <a href={`/ean/${product.ean}`} class="flex gap-2">
-  {#if product.image_url}
+  {#if product.imageUrl}
     <img
-      src={product.image_url}
+      src={product.imageUrl}
       alt={product.name}
       class="max-h-48"
       loading="lazy"

sitio/src/routes/+page.server.ts

@@ -1,27 +1,68 @@
 import type { PageServerLoad } from "./$types";
+import { getDb, schema } from "$lib/server/db";
+const { precios, bestSelling } = schema;
+import { max, sql } from "drizzle-orm";
 import z from "zod";
+import type { Product } from "$lib/ProductPreview.svelte";
 
-async function getBestSelling() {
+type Data = {
-  const res = await fetch("http://localhost:8000/api/0/best-selling-products");
+  category: string;
-  const json = await res.json();
+  products: Product[];
-  return z
+}[];
-    .array(
+
-      z.object({
+let cache: Promise<{ key: Date; data: Data }> = doQuery();
-        category: z.string(),
+
-        products: z.array(
+async function doQuery() {
-          z.object({
+  const db = await getDb();
-            ean: z.string(),
+
-            name: z.string().nullable(),
+  const categories = await db
-            image_url: z.string().nullable(),
+    .select({
+      fetchedAt: bestSelling.fetchedAt,
+      category: bestSelling.category,
+      eansJson: bestSelling.eansJson,
+    })
+    .from(bestSelling)
+    .groupBy(bestSelling.category)
+    .having(max(bestSelling.fetchedAt));
+
+  const categoriesWithProducts = await Promise.all(
+    categories.map(async (category) => {
+      const eans = z.array(z.string()).parse(JSON.parse(category.eansJson));
+
+      const products = await db
+        .select({
+          ean: precios.ean,
+          name: precios.name,
+          imageUrl: precios.imageUrl,
+        })
+        .from(precios)
+        .where(sql`${precios.ean} in ${eans}`)
+        .groupBy(precios.ean)
+        .having(max(precios.fetchedAt));
+
+      return {
+        category: category.category,
+        products: eans
+          .map((ean) => products.find((p) => p.ean === ean))
+          .filter((x): x is Product => !!x && !!x.name),
+      };
     }),
-        ),
+  );
-      }),
+
-    )
+  return { key: new Date(), data: categoriesWithProducts };
-    .parse(json);
 }
 
-export const load: PageServerLoad = async ({ params }) => {
+console.log("setting up interval");
-  return {
+setInterval(
-    data: await getBestSelling(),
+  async () => {
-  };
+    const c = await doQuery();
+    cache = Promise.resolve(c);
+  },
+  4 * 60 * 60 * 1000,
+);
+
+export const load: PageServerLoad = async ({
+  params,
+}): Promise<{ data: Data }> => {
+  return { data: (await cache).data };
 };