91 lines
2.8 KiB
Rust
91 lines
2.8 KiB
Rust
use super::{Parser, PriceParser, SearchParser};
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use crate::PriceResult;
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use anyhow::{anyhow, Result};
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use scraper::{Html, Selector};
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use url::Url;
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#[derive(Debug)]
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/// Parser for the darty website
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pub struct Fnac {
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price_selector: Selector,
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name_selector: Selector,
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product_selector: Selector,
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search_selector: Selector,
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}
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impl Parser for Fnac {
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fn new() -> Result<Self> {
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Ok(Fnac {
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price_selector: Selector::parse(r#".f-priceBox-price.checked"#).unwrap(),
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name_selector: Selector::parse(r#".f-productHeader-Title"#).unwrap(),
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product_selector: Selector::parse(r#".f-productHeader-subTitleLink"#).unwrap(),
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search_selector: Selector::parse(r#".Article-title"#).unwrap(),
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})
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}
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fn name(&self) -> &'static str {
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"Fnac"
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}
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}
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impl PriceParser for Fnac {
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fn can_parse(&self, url: &Url) -> bool {
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url.host_str().unwrap_or("").ends_with("fnac.com")
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}
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fn parse_price(&self, html: &Html) -> Result<PriceResult> {
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// Get price
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let price_element = html.select(&self.price_selector).next().ok_or(anyhow!("No price element"))?;
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let mut price_text_it = price_element.text();
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let price_ent: u32 = price_text_it.next().unwrap_or("0").trim_end_matches(',').parse()?;
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let price_dec: u32 = price_text_it.next().unwrap_or("0").trim_start_matches('€').parse()?;
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let price = price_ent as f64 + (price_dec as f64) / 100.;
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// Get name
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let name_element = html.select(&self.name_selector).next().ok_or(anyhow!("No name element"))?;
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let name = name_element.text().next().unwrap_or("").trim().replace('\n', "-");
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// Get product
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let family_element = html.select(&self.product_selector).next().ok_or(anyhow!("No product element"))?;
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let family = family_element.text().next().unwrap_or("").trim().replace('\n', "-");
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Ok(PriceResult {
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name: name.to_owned(),
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product: family.to_owned(),
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price,
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})
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}
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}
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impl SearchParser for Fnac {
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fn search_url(&self, name: &str) -> Url {
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Url::parse(&format!(
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"https://www.fnac.com/SearchResult/ResultList.aspx?Search={}",
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name.replace(' ', "+")
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))
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.unwrap()
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}
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fn search(&self, html: &Html) -> Result<Option<Url>> {
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if let Some(search_element) = html.select(&self.search_selector).next() {
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let path_url = search_element
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.value()
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.attr("href")
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.ok_or(anyhow!("No link element"))?
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.trim_end_matches("#omnsearchpos=1");
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Ok(Option::Some(Url::parse(path_url)?))
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} else {
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Ok(None)
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}
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}
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}
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#[test]
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fn test_parser_fnac() {
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let fnac_parser = Fnac::new().unwrap();
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assert!(
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fnac_parser.can_parse(&Url::parse("https://www.fnac.com/Apple-iPhone-XS-64-Go-5-8-Argent/a12849718/w-4?CtoPid=488371").unwrap())
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);
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assert!(fnac_parser.can_parse(&Url::parse("http://www.fnac.com/Apple-iPhone-XS-64-Go-5-8-Argent/a12849718/w-4?CtoPid=488371").unwrap()));
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assert!(fnac_parser.can_parse(&Url::parse("https://www.fnace.com").unwrap()) == false);
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}
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