58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
use reqwest::Url;
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use scraper::{Html, Selector};
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use crate::engines::{Response, CLIENT};
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pub fn request(response: &Response) -> Option<reqwest::RequestBuilder> {
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for search_result in response.search_results.iter().take(8) {
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if search_result
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.url
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.starts_with("https://stackoverflow.com/questions/")
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{
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return Some(CLIENT.get(search_result.url.as_str()).header(
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"User-Agent",
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"Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0",
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));
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}
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}
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None
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}
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pub fn parse_response(body: &str) -> Option<String> {
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let dom = Html::parse_document(body);
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let title = dom
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.select(&Selector::parse("h1").unwrap())
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.next()?
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.text()
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.collect::<String>();
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let url = Url::join(
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&Url::parse("https://stackoverflow.com").unwrap(),
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dom.select(&Selector::parse(".question-hyperlink").unwrap())
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.next()?
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.value()
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.attr("href")?,
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)
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.ok()?;
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let answer_query = Selector::parse("div.answer.accepted-answer").unwrap();
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let answer = dom.select(&answer_query).next()?;
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let answer_id = answer.value().attr("data-answerid")?;
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let answer_html = answer
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.select(&Selector::parse("div.answercell > div.js-post-body").unwrap())
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.next()?
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.html()
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.to_string();
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let url = format!("{url}#{answer_id}");
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Some(format!(
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r#"<a href="{url}" class="title"><h2>{title}</h2></a>
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<div class="infobox-stackoverflow-answer">{answer_html}</div>"#,
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url = html_escape::encode_quoted_attribute(&url.to_string()),
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title = html_escape::encode_text(&title),
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))
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}
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