70 lines
1.4 KiB
Rust
70 lines
1.4 KiB
Rust
pub mod darty;
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pub mod fnac;
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pub mod du_bruit_dans_la_cuisine;
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pub mod ldlc;
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pub mod amazon;
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use scraper::Html;
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use crate::price_result::PriceResult;
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use arraygen::Arraygen;
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use url::Url;
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use anyhow::Result;
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pub trait Parser{
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/// Create the parser
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fn new() -> Result<Self> where Self : Sized;
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/// Get the name
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fn name() -> &'static str where Self : Sized;
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}
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/// Trait needed to get price from a specific website
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pub trait PriceParser : Parser{
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/// Indicate if it can parse this URL
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fn can_parse(&self, url : &Url) -> bool;
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/// Parse the html into a price
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fn parse(&self, html : &Html) -> Result<PriceResult>;
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}
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// @todo Macro générateur liste et tests
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macro_rules! gen_list {
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( $([$module:ident::$name:ident : $($array:ident),*]),* ) => {
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#[derive(Arraygen, Debug)]
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#[gen_array(pub fn get_price: & dyn PriceParser)]
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pub struct List {
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$(
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$(
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#[in_array($array)]
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)*
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$module: $module::$name
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),*
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}
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impl List {
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/// Create the list
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pub fn new() -> Result<Self> {
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Ok(List {
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$(
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$module: $module::$name::new()?
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),*
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})
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}
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}
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};
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}
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gen_list!(
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[darty::Darty : get_price],
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[fnac::Fnac : get_price],
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[du_bruit_dans_la_cuisine::DuBruitDansLaCuisine : get_price],
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[ldlc::LDLC : get_price],
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[amazon::Amazon : get_price]
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);
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#[test]
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fn test_parser_list() {
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let parser_list = List::new().unwrap();
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assert_eq!(parser_list.get_price().len(), 5);
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} |