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use std::sync::Arc;
use chrono::naive::NaiveDate;
use failure::Error;
use reqwest::Client;
use select::document::Document;
use select::predicate::{Attr, Class, Name};
use xvii::Roman;
pub const BASE_URL: &str = "https://www.swordscomic.com";
#[derive(Debug)]
pub struct Comic {
id: u32,
title: String,
date: NaiveDate,
image: String,
characters: Vec<String>,
locations: Vec<String>,
creatures: Vec<String>,
swords: Vec<String>
}
pub struct SwordsComic {
client: Arc<Client>,
}
impl Default for SwordsComic {
fn default() -> Self {
Self {
client: Arc::new(Client::new()),
}
}
}
impl SwordsComic {
pub fn new() -> Self {
Default::default()
}
pub fn from_client(client: Client) -> Self {
Self {
client: Arc::new(client),
}
}
pub fn get_comic(&self, id: u32) -> Result<Comic, Error> {
let roman_no = match Roman::from(id as i32) {
Some(roman) => roman.to_uppercase(),
None => String::from("cover"),
};
let mut resp = self.client.get(format!("{}/swords/{}", BASE_URL, roman_no).as_str()).send()?.error_for_status()?;
let dom = Document::from(resp.text()?.as_str());
let title = dom.find(Attr("id", "comic-title"))
.next()
.unwrap()
.text();
let date = dom.find(Attr("id", "comic-post-date"))
.next()
.unwrap()
.text();
let date = NaiveDate::parse_from_str(date.as_str(), "%B %e, %Y")?;
let image = dom.find(Attr("id", "comic-image"))
.next()
.unwrap()
.attr("src")
.unwrap()
.to_string();
macro_rules! create_vec {
($vec_name:ident) => (
let mut $vec_name: Vec<String> = Vec::new();
)
}
create_vec!(characters);
create_vec!(creatures);
create_vec!(swords);
create_vec!(locations);
for tag_group in dom.find(Class("tag-group")) {
macro_rules! iter_on_tag_group_and_append {
($var_name:ident) => (
for tag in tag_group.find(Class("tag")) {
$var_name.push(String::from(tag.text().as_str().trim()));
}
)
}
let category = tag_group.find(Name("p")).next().unwrap().text();
if category == "Characters:" {
iter_on_tag_group_and_append!(characters);
} else if category == "Locations:" {
iter_on_tag_group_and_append!(locations);
} else if category == "Swords:" {
iter_on_tag_group_and_append!(swords);
} else if category == "Creatures:" {
iter_on_tag_group_and_append!(creatures);
}
}
let comic = Comic {
id,
title,
date,
image,
characters,
creatures,
swords,
locations,
};
Ok(comic)
}
}