Utilisation de URL

Cargo.lock

@@ -741,6 +741,7 @@ dependencies = [
  "arraygen",
  "reqwest",
  "scraper",
+ "url",
 ]
 
 [[package]]

Cargo.toml

@@ -9,4 +9,5 @@ edition = "2018"
 [dependencies]
 reqwest = { version = "0.10", features = ["blocking"]}
 scraper = "0.12.0"
-arraygen = "0.1.11"
+arraygen = "0.1.11"
+url = "2.1.1"

src/main.rs

@@ -2,15 +2,14 @@ pub mod price_result;
 pub mod parser;
 pub mod price_checker;
 
-extern crate reqwest;
-extern crate scraper;
 use price_result::PriceResult;
 use price_checker::PriceChecker;
+use url::Url;
 
 fn main() {
 	let price_checker = PriceChecker::new();
 
-    let price_result = price_checker.get_price("https://www.darty.com/nav/achat/gros_electromenager/refrigerateur-congelateur-refrigerateur-cong/refrigerateur-congelateur_bas/samsung_rb33n300nsa_ef.html");
+    let price_result = price_checker.get_price(Url::parse("https://www.darty.com/nav/achat/gros_electromenager/refrigerateur-congelateur-refrigerateur-cong/refrigerateur-congelateur_bas/samsung_rb33n300nsa_ef.html").unwrap());
-    println!("Product «{}: {}» price {}€", price_result.product, price_result.name, price_result.price);
+    println!("{}", price_result);
 }
 

src/parser.rs

@@ -1,14 +1,16 @@
 pub mod darty;
 
 extern crate arraygen;
+extern crate url;
 
 use scraper::Html;
 use crate::price_result::PriceResult;
 use arraygen::Arraygen;
+use url::Url;
 
 pub trait Parser{
 	fn new() -> Self where Self :Sized;
-	fn can_parse(&self, url : &str) -> bool;
+	fn can_parse(&self, url : &Url) -> bool;
 	fn parse(&self, html : &Html) -> PriceResult;
 }
 

src/parser/darty.rs

@@ -1,6 +1,7 @@
 use super::Parser;
 use crate::PriceResult;
 use scraper::{Selector, Html};
+use url::Url;
 
 #[derive(Debug)]
 pub struct Darty {
@@ -18,8 +19,8 @@ impl Parser for Darty {
 		}
 	}
 
-	fn can_parse(&self, url : &str) -> bool {
+	fn can_parse(&self, url : &Url) -> bool {
-		url.contains("darty")
+		url.host_str().unwrap() == "www.darty.com"
 	}
 
 	fn parse(&self, html : &Html) -> PriceResult {

src/price_checker.rs

@@ -1,9 +1,11 @@
 extern crate reqwest;
+extern crate scraper;
 
 use reqwest::blocking::Client;
 use scraper::Html;
 use crate::parser;
 use crate::price_result::PriceResult;
+use url::Url;
 
 const USER_AGENT: &str = "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0";
 
@@ -21,12 +23,12 @@ impl PriceChecker {
 		}
 	}
 
-	pub fn get_price(&self, url : &str) -> PriceResult {
+	pub fn get_price(&self, url : Url) -> PriceResult {
-		let response = self.client.get(url).send().unwrap();
+		let response = self.client.get(url.clone()).send().unwrap();
 		let text = response.text().unwrap();
 		let document = Html::parse_document(&text);
 		for parser in self.parser_list.get().iter() {
-			if parser.can_parse(url) {
+			if parser.can_parse(&url) {
 				return parser.parse(&document);
 			}
 		}

src/price_result.rs

@@ -1,6 +1,14 @@
+use std::fmt;
+
 #[derive(PartialEq, Clone, Debug)]
 pub struct PriceResult {
 	pub name: String,
 	pub product: String,
 	pub price: f64
+}
+
+impl fmt::Display for PriceResult {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Product «{}: {}» price {}€", self.product, self.name, self.price)
+    }
 }