libreddit/src/user.rs

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Rust
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// CRATES
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use crate::client::json;
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use crate::esc;
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use crate::server::RequestExt;
use crate::utils::{error, format_url, param, template, Post, Preferences, User};
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use askama::Template;
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use hyper::{Body, Request, Response};
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use time::OffsetDateTime;
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// STRUCTS
#[derive(Template)]
#[template(path = "user.html", escape = "none")]
struct UserTemplate {
user: User,
posts: Vec<Post>,
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sort: (String, String),
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ends: (String, String),
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prefs: Preferences,
url: String,
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}
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// FUNCTIONS
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pub async fn profile(req: Request<Body>) -> Result<Response<Body>, String> {
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// Build the Reddit JSON API path
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let path = format!(
"/user/{}.json?{}&raw_json=1",
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req.param("name").unwrap_or_else(|| "reddit".to_string()),
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req.uri().query().unwrap_or_default()
);
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// Retrieve other variables from Libreddit request
let sort = param(&path, "sort").unwrap_or_default();
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let username = req.param("name").unwrap_or_default();
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// Request user posts/comments from Reddit
let posts = Post::fetch(&path, "Comment".to_string(), false).await;
let url = String::from(req.uri().path_and_query().map_or("", |val| val.as_str()));
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match posts {
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Ok((posts, after)) => {
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// If you can get user posts, also request user data
let user = user(&username).await.unwrap_or_default();
template(UserTemplate {
user,
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posts,
sort: (sort, param(&path, "t").unwrap_or_default()),
ends: (param(&path, "after").unwrap_or_default(), after),
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prefs: Preferences::new(req),
url,
})
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}
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// If there is an error show error page
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Err(msg) => error(req, msg).await,
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}
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}
// USER
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async fn user(name: &str) -> Result<User, String> {
// Build the Reddit JSON API path
let path: String = format!("/user/{}/about.json?raw_json=1", name);
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// Send a request to the url
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json(path, false).await.map(|res| {
// Grab creation date as unix timestamp
let created: i64 = res["data"]["created"].as_f64().unwrap_or(0.0).round() as i64;
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// Closure used to parse JSON from Reddit APIs
let about = |item| res["data"]["subreddit"][item].as_str().unwrap_or_default().to_string();
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// Parse the JSON output into a User struct
User {
name: name.to_string(),
title: esc!(about("title")),
icon: format_url(&about("icon_img")),
karma: res["data"]["total_karma"].as_i64().unwrap_or(0),
created: OffsetDateTime::from_unix_timestamp(created).format("%b %d '%y"),
banner: esc!(about("banner_img")),
description: about("public_description"),
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}
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})
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}