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September 28, 2020 12:21
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| use crate::models::links::{Link, LinkJson, LinkNew, LinkUpdate}; | |
| use crate::Pool; | |
| use actix_web::{web, Error, HttpResponse}; | |
| use diesel::dsl::insert_into; | |
| use diesel::prelude::*; | |
| use regex::Regex; | |
| use reqwest::Url; | |
| pub async fn add_link( | |
| pool: web::Data<Pool>, | |
| item: web::Json<LinkJson>, | |
| ) -> Result<HttpResponse, Error> { | |
| let title = get_site_title(&item.link).await.unwrap(); | |
| Ok(web::block(move || add_single_link(pool, item, title)) | |
| .await | |
| .map(|link| HttpResponse::Created().json(link)) | |
| .map_err(|_| HttpResponse::InternalServerError())?) | |
| } | |
| async fn get_site_title(url: &String) -> Result<String, Box<dyn std::error::Error>> { | |
| let body = reqwest::get(Url::parse(&url).unwrap()) | |
| .await? | |
| .text() | |
| .await?; | |
| let re = Regex::new("<title>(.*?)</title>").unwrap(); | |
| match re.captures(body.as_str()) { | |
| Some(data) => Ok(data.get(1).unwrap().as_str().to_owned()), | |
| None => Ok("None".to_string()), | |
| } | |
| } | |
| fn add_single_link( | |
| pool: web::Data<Pool>, | |
| item: web::Json<LinkJson>, | |
| site_title: String, | |
| ) -> Result<Link, diesel::result::Error> { | |
| use crate::schema::links::dsl::*; | |
| let conn = pool.get().unwrap(); | |
| match links.filter(link.eq(&item.link)).first::<Link>(&conn) { | |
| Ok(res) => Ok(res), | |
| Err(_) => { | |
| let new_link = LinkNew { | |
| link: &item.link, | |
| title: &site_title, | |
| created: chrono::Local::now().naive_local(), | |
| }; | |
| let res = insert_into(links).values(&new_link).get_result(&conn)?; | |
| Ok(res) | |
| } | |
| } | |
| } |
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