121 lines
3.6 KiB
Rust
121 lines
3.6 KiB
Rust
// CRATES
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use crate::utils::{cookie, error, fetch_posts, format_num, format_url, param, prefs, request, rewrite_url, val, Post, Preferences, Subreddit};
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use actix_web::{HttpRequest, HttpResponse, Result};
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use askama::Template;
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// STRUCTS
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#[derive(Template)]
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#[template(path = "subreddit.html", escape = "none")]
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struct SubredditTemplate {
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sub: Subreddit,
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posts: Vec<Post>,
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sort: (String, String),
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ends: (String, String),
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prefs: Preferences,
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}
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#[derive(Template)]
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#[template(path = "wiki.html", escape = "none")]
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struct WikiTemplate {
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sub: String,
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wiki: String,
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page: String,
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prefs: Preferences,
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}
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// SERVICES
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pub async fn page(req: HttpRequest) -> HttpResponse {
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let path = format!("{}.json?{}", req.path(), req.query_string());
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let default = cookie(&req, "front_page");
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let sub_name = req
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.match_info()
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.get("sub")
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.unwrap_or(if default.is_empty() { "popular" } else { default.as_str() })
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.to_string();
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let sort = req.match_info().get("sort").unwrap_or("hot").to_string();
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match fetch_posts(&path, String::new()).await {
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Ok((posts, after)) => {
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// If you can get subreddit posts, also request subreddit metadata
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let sub = if !sub_name.contains('+') && sub_name != "popular" && sub_name != "all" {
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subreddit(&sub_name).await.unwrap_or_default()
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} else if sub_name.contains('+') {
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Subreddit {
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name: sub_name,
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..Subreddit::default()
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}
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} else {
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Subreddit::default()
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};
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let s = SubredditTemplate {
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sub,
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posts,
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sort: (sort, param(&path, "t")),
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ends: (param(&path, "after"), after),
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prefs: prefs(req),
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}
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.render()
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.unwrap();
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HttpResponse::Ok().content_type("text/html").body(s)
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}
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Err(msg) => error(msg).await,
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}
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}
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pub async fn wiki(req: HttpRequest) -> HttpResponse {
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let sub = req.match_info().get("sub").unwrap_or("reddit.com").to_string();
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let page = req.match_info().get("page").unwrap_or("index").to_string();
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let path: String = format!("/r/{}/wiki/{}.json?raw_json=1", sub, page);
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match request(&path).await {
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Ok(res) => {
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let s = WikiTemplate {
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sub,
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wiki: rewrite_url(res["data"]["content_html"].as_str().unwrap_or_default()),
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page,
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prefs: prefs(req),
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}
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.render()
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.unwrap();
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HttpResponse::Ok().content_type("text/html").body(s)
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}
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Err(msg) => error(msg).await,
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}
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}
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// SUBREDDIT
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async fn subreddit(sub: &str) -> Result<Subreddit, String> {
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// Build the Reddit JSON API url
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let path: String = format!("/r/{}/about.json?raw_json=1", sub);
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// Send a request to the url
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match request(&path).await {
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// If success, receive JSON in response
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Ok(res) => {
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// Metadata regarding the subreddit
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let members: i64 = res["data"]["subscribers"].as_u64().unwrap_or_default() as i64;
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let active: i64 = res["data"]["accounts_active"].as_u64().unwrap_or_default() as i64;
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// Fetch subreddit icon either from the community_icon or icon_img value
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let community_icon: &str = res["data"]["community_icon"].as_str().unwrap_or("").split('?').collect::<Vec<&str>>()[0];
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let icon = if community_icon.is_empty() { val(&res, "icon_img") } else { community_icon.to_string() };
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let sub = Subreddit {
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name: val(&res, "display_name"),
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title: val(&res, "title"),
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description: val(&res, "public_description"),
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info: rewrite_url(&val(&res, "description_html").replace("\\", "")),
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icon: format_url(icon.as_str()),
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members: format_num(members),
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active: format_num(active),
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wiki: res["data"]["wiki_enabled"].as_bool().unwrap_or_default(),
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};
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Ok(sub)
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}
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// If the Reddit API returns an error, exit this function
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Err(msg) => return Err(msg),
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}
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}
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