Add Parser trait

master
Rémi BERTHO 2 years ago
parent f47b5f3b33
commit cec9900b45
Signed by: dalan
GPG Key ID: EE3B917931C07B64
  1. 2
      src/main.rs
  2. 14
      src/parser.rs
  3. 11
      src/parser/amazon.rs
  4. 10
      src/parser/darty.rs
  5. 10
      src/parser/du_bruit_dans_la_cuisine.rs
  6. 10
      src/parser/fnac.rs
  7. 10
      src/parser/ldlc.rs

@ -1,5 +1,7 @@
extern crate anyhow;
extern crate clap;
extern crate url;
extern crate arraygen;
pub mod price_result;
pub mod parser;

@ -4,19 +4,21 @@ pub mod du_bruit_dans_la_cuisine;
pub mod ldlc;
pub mod amazon;
extern crate arraygen;
extern crate url;
use scraper::Html;
use crate::price_result::PriceResult;
use arraygen::Arraygen;
use url::Url;
use anyhow::Result;
pub trait Parser{
/// Create the parser
fn new() -> Result<Self> where Self : Sized;
/// Get the name
fn name() -> &'static str where Self : Sized;
}
/// Trait needed to get price from a specific website
pub trait PriceParser{
/// Create a new parser
fn new() -> Result<Self> where Self :Sized;
pub trait PriceParser : Parser{
/// Indicate if it can parse this URL
fn can_parse(&self, url : &Url) -> bool;
/// Parse the html into a price

@ -1,4 +1,4 @@
use super::PriceParser;
use super::{Parser, PriceParser};
use crate::PriceResult;
use scraper::{Selector, Html};
use url::Url;
@ -12,7 +12,7 @@ pub struct Amazon {
product_selector: Selector
}
impl PriceParser for Amazon {
impl Parser for Amazon {
fn new() -> Result<Self> {
Ok(Amazon {
price_selector: Selector::parse(r"#priceblock_ourprice").unwrap(),
@ -21,6 +21,13 @@ impl PriceParser for Amazon {
})
}
fn name() -> &'static str {
"Amazon"
}
}
impl PriceParser for Amazon {
fn can_parse(&self, url : &Url) -> bool {
url.host_str().unwrap_or("") == "www.amazon.fr"
}

@ -1,4 +1,4 @@
use super::PriceParser;
use super::{Parser, PriceParser};
use crate::PriceResult;
use scraper::{Selector, Html};
use url::Url;
@ -12,7 +12,7 @@ pub struct Darty {
product_selector: Selector
}
impl PriceParser for Darty {
impl Parser for Darty {
fn new() -> Result<Self> {
Ok(Darty {
price_selector: Selector::parse(r#".darty_prix"#).unwrap(),
@ -21,6 +21,12 @@ impl PriceParser for Darty {
})
}
fn name() -> &'static str {
"Darty"
}
}
impl PriceParser for Darty {
fn can_parse(&self, url : &Url) -> bool {
url.host_str().unwrap_or("") == "www.darty.com"
}

@ -1,4 +1,4 @@
use super::PriceParser;
use super::{PriceParser, Parser};
use crate::PriceResult;
use scraper::{Selector, Html};
use url::Url;
@ -11,7 +11,7 @@ pub struct DuBruitDansLaCuisine {
name_selector: Selector,
}
impl PriceParser for DuBruitDansLaCuisine {
impl Parser for DuBruitDansLaCuisine {
fn new() -> Result<Self> {
Ok(DuBruitDansLaCuisine {
price_selector: Selector::parse(r#".price"#).unwrap(),
@ -19,6 +19,12 @@ impl PriceParser for DuBruitDansLaCuisine {
})
}
fn name() -> &'static str {
"Du bruit dans la Cuisine"
}
}
impl PriceParser for DuBruitDansLaCuisine {
fn can_parse(&self, url : &Url) -> bool {
url.host_str().unwrap_or("") == "www.dubruitdanslacuisine.fr"
}

@ -1,4 +1,4 @@
use super::PriceParser;
use super::{Parser, PriceParser};
use crate::PriceResult;
use scraper::{Selector, Html};
use url::Url;
@ -12,7 +12,7 @@ pub struct Fnac {
product_selector: Selector
}
impl PriceParser for Fnac {
impl Parser for Fnac{
fn new() -> Result<Self> {
Ok(Fnac {
price_selector: Selector::parse(r#".f-priceBox-price.checked"#).unwrap(),
@ -21,6 +21,12 @@ impl PriceParser for Fnac {
})
}
fn name() -> &'static str {
"Fnac"
}
}
impl PriceParser for Fnac {
fn can_parse(&self, url : &Url) -> bool {
url.host_str().unwrap_or("") == "www.fnac.com"
}

@ -1,4 +1,4 @@
use super::PriceParser;
use super::{PriceParser, Parser};
use crate::PriceResult;
use scraper::{Selector, Html};
use url::Url;
@ -11,7 +11,7 @@ pub struct LDLC {
name_selector: Selector,
}
impl PriceParser for LDLC {
impl Parser for LDLC {
fn new() -> Result<Self> {
Ok(LDLC {
price_selector: Selector::parse(r#".price"#).unwrap(),
@ -19,6 +19,12 @@ impl PriceParser for LDLC {
})
}
fn name() -> &'static str {
"LDLC"
}
}
impl PriceParser for LDLC {
fn can_parse(&self, url : &Url) -> bool {
url.host_str().unwrap_or("") == "www.ldlc.com"
}

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