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fix: print errors en best selling + refactor

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Cat /dev/Nulo 2024-06-23 13:53:04 -03:00
parent c946e7fe35
commit c0c5066284
2 changed files with 47 additions and 28 deletions
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44
scraper-rs/src/best_selling.rs
View file

@ -3,8 +3,9 @@ use std::collections::HashMap;
use crate::{build_client, db::Db, sites::vtex, supermercado::Supermercado};
use chrono::{DateTime, Utc};
use clap::ValueEnum;
use futures::{stream, FutureExt, StreamExt, TryStreamExt};
use futures::{stream, FutureExt, StreamExt};
use itertools::Itertools;
use simple_error::SimpleError;
use tracing::warn;
#[derive(ValueEnum, Clone, Debug)]
@ -77,10 +78,6 @@ async fn try_get_best_selling_eans(
}
}
async fn noop<T>(t: T) -> anyhow::Result<T> {
Ok(t)
}
fn rank_eans(eans: Vec<Vec<String>>) -> Vec<String> {
let mut map: HashMap<String, usize> = HashMap::new();
for eans in eans {
@ -98,34 +95,45 @@ fn rank_eans(eans: Vec<Vec<String>>) -> Vec<String> {
pub async fn get_all_best_selling(db: &Db) -> anyhow::Result<Vec<BestSellingRecord>> {
let client = &build_client();
stream::iter(Category::value_variants())
let records = stream::iter(Category::value_variants())
.map(|category| {
stream::iter(Supermercado::value_variants())
.map(|supermercado| {
let db = db.clone();
let client = client.clone();
tokio::spawn(try_get_best_selling_eans(
client,
db,
client.clone(),
db.clone(),
supermercado,
category,
))
})
.buffer_unordered(5)
.map(|f| f.unwrap())
.try_filter_map(noop)
.try_collect::<Vec<Vec<String>>>()
.filter_map(|r| async {
match r {
Err(err) => {
tracing::error!("Error getting best selling: {}", err);
None
}
Ok(v) => v,
}
})
.collect::<Vec<Vec<String>>>()
.map(|r| {
r.map(rank_eans).map(|eans| BestSellingRecord {
let ranked = rank_eans(r);
BestSellingRecord {
fetched_at: Utc::now(),
category: category.clone(),
eans,
})
eans: ranked,
}
})
})
.buffer_unordered(5)
.boxed()
.try_collect()
.await
.collect::<Vec<BestSellingRecord>>()
.await;
if records.len() < 10 {
Err(SimpleError::new("Too few BestSellingRecords").into())
} else {
Ok(records)
}
}

31
scraper-rs/src/sites/vtex.rs
View file

@ -225,19 +225,30 @@ pub async fn get_best_selling_by_category(
url
};
let body = fetch_body(client, url.as_str()).await?;
let urls: Vec<String> = serde_json::from_str::<serde_json::Value>(&body)?
tracing::debug!("best selling body: {}", body);
let json = &serde_json::from_str::<serde_json::Value>(&body)?;
if let Some(errors_array) = json.pointer("/errors") {
if let Some(error_messages) = errors_array.as_array().map(|a| {
a.into_iter()
.map(|obj| obj.get("message").and_then(|v| v.as_str()))
.collect_vec()
}) {
bail!("Errors from API: {:?}", error_messages);
} else {
bail!("Unknown error from API")
}
}
let urls: Vec<String> = json
.pointer("/data/productSearch/products")
.and_then(|v| v.as_array())
.map(|a| {
a.iter()
.filter_map(|p| {
p.get("link")
.and_then(|v| v.as_str())
.map(|s| format!("https://{}{}", domain, s))
})
.collect()
.ok_or(SimpleError::new("failed to get best selling product urls"))?
.iter()
.filter_map(|p| {
p.get("link")
.and_then(|v| v.as_str())
.map(|s| format!("https://{}{}", domain, s))
})
.ok_or(SimpleError::new("failed to get best selling product urls"))?;
.collect();
if urls.len() < 2 {
bail!("Too few best selling");