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Unify Post Fetching into 1 Function

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spikecodes 2020-11-20 22:05:27 -08:00
parent f75b48fdc9
commit 0f2a3713ef
4 changed files with 71 additions and 119 deletions
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57
src/subreddit.rs
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@ -1,11 +1,10 @@
// CRATES
use actix_web::{get, web, HttpResponse, Result};
use askama::Template;
use chrono::{TimeZone, Utc};
#[path = "utils.rs"]
mod utils;
pub use utils::{request, val, ErrorTemplate, Flair, Params, Post, Subreddit};
pub use utils::{request, val, fetch_posts, ErrorTemplate, Flair, Params, Post, Subreddit};
// STRUCTS
#[derive(Template)]
@ -38,7 +37,7 @@ pub async fn render(sub_name: String, sort: Option<String>, ends: (Option<String
};
let sub_result = subreddit(&sub_name).await;
let items_result = posts(url).await;
let items_result = fetch_posts(url, String::new()).await;
if sub_result.is_err() || items_result.is_err() {
let s = ErrorTemplate {
@ -97,54 +96,4 @@ async fn subreddit(sub: &String) -> Result<Subreddit, &'static str> {
};
Ok(sub)
}
// POSTS
pub async fn posts(url: String) -> Result<(Vec<Post>, String), &'static str> {
// Send a request to the url, receive JSON in response
let req = request(url).await;
// If the Reddit API returns an error, exit this function
if req.is_err() {
return Err(req.err().unwrap());
}
// Otherwise, grab the JSON output from the request
let res = req.unwrap();
// Fetch the list of posts from the JSON response
let post_list = res["data"]["children"].as_array().unwrap();
let mut posts: Vec<Post> = Vec::new();
for post in post_list.iter() {
let img = if val(post, "thumbnail").await.starts_with("https:/") {
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: val(post, "title").await,
community: val(post, "subreddit").await,
body: String::new(),
author: val(post, "author").await,
score: if score > 1000 { format!("{}k", score / 1000) } else { score.to_string() },
media: img,
url: val(post, "permalink").await,
time: Utc.timestamp(unix_time, 0).format("%b %e '%y").to_string(),
flair: Flair(
val(post, "link_flair_text").await,
val(post, "link_flair_background_color").await,
if val(post, "link_flair_text_color").await == "dark" {
"black".to_string()
} else {
"white".to_string()
},
),
});
}
Ok((posts, res["data"]["after"].as_str().unwrap_or("").to_string()))
}
}