redsunlib/src/user.rs

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Rust
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2020-10-26 09:25:59 +13:00
// CRATES
extern crate comrak;
use actix_web::{get, web, HttpResponse, Result};
use askama::Template;
use chrono::{TimeZone, Utc};
// STRUCTS
#[derive(Template)]
#[template(path = "user.html", escape = "none")]
struct UserTemplate {
user: User,
posts: Vec<Post>,
sort: String
}
pub struct Post {
pub title: String,
pub community: String,
pub author: String,
pub score: String,
pub image: String,
pub url: String,
pub time: String
}
pub struct User {
pub name: String,
pub icon: String,
pub karma: i64,
pub banner: String,
pub description: String
}
async fn render(username: String, sort: String) -> Result<HttpResponse> {
let user: User = user(&username).await;
let posts: Vec<Post> = posts(username, &sort).await;
let s = UserTemplate {
user: user,
posts: posts,
sort: sort
}
.render()
.unwrap();
Ok(HttpResponse::Ok().content_type("text/html").body(s))
}
// SERVICES
#[get("/u/{username}")]
async fn page(web::Path(username): web::Path<String>) -> Result<HttpResponse> {
render(username, "hot".to_string()).await
}
#[get("/u/{username}/{sort}")]
async fn sorted(web::Path((username, sort)): web::Path<(String, String)>) -> Result<HttpResponse> {
render(username, sort).await
}
// UTILITIES
async fn user_val (j: &serde_json::Value, k: &str) -> String { String::from(j["data"]["subreddit"][k].as_str().unwrap()) }
async fn post_val (j: &serde_json::Value, k: &str) -> String { String::from(j["data"][k].as_str().unwrap_or("Comment")) }
// USER
async fn user(name: &String) -> User {
let url: String = format!("https://www.reddit.com/user/{}/about.json", name);
let resp: String = reqwest::get(&url).await.unwrap().text().await.unwrap();
let data: serde_json::Value = serde_json::from_str(resp.as_str()).expect("Failed to parse JSON");
User {
name: name.to_string(),
icon: user_val(&data, "icon_img").await,
karma: data["data"]["total_karma"].as_i64().unwrap(),
banner: user_val(&data, "banner_img").await,
description: user_val(&data, "public_description").await
}
}
// POSTS
async fn posts(sub: String, sort: &String) -> Vec<Post> {
let url: String = format!("https://www.reddit.com/u/{}/.json?sort={}", sub, sort);
let resp: String = reqwest::get(&url).await.unwrap().text().await.unwrap();
let popular: serde_json::Value = serde_json::from_str(resp.as_str()).expect("Failed to parse JSON");
let post_list = popular["data"]["children"].as_array().unwrap();
let mut posts: Vec<Post> = Vec::new();
for post in post_list.iter() {
let img = if post_val(post, "thumbnail").await.starts_with("https:/") { post_val(post, "thumbnail").await } else { String::new() };
let unix_time: i64 = post["data"]["created_utc"].as_f64().unwrap().round() as i64;
let score = post["data"]["score"].as_i64().unwrap();
posts.push(Post {
title: post_val(post, "title").await,
community: post_val(post, "subreddit").await,
author: post_val(post, "author").await,
score: if score>1000 {format!("{}k",score/1000)} else {score.to_string()},
image: img,
url: post_val(post, "permalink").await,
time: Utc.timestamp(unix_time, 0).format("%b %e '%y").to_string()
});
}
posts
}