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Basic Nested & Collapsible Comments

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spikecodes 2020-12-19 19:54:46 -08:00
parent 19dc7de3c5
commit 7b8f694c8c
8 changed files with 124 additions and 69 deletions
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18
src/post.rs
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@ -2,6 +2,8 @@
use crate::utils::{format_num, format_url, request, val, Comment, ErrorTemplate, Flair, Params, Post};
use actix_web::{http::StatusCode, web, HttpResponse, Result};
use async_recursion::async_recursion;
use askama::Template;
use chrono::{TimeZone, Utc};
use pulldown_cmark::{html, Options, Parser};
@ -133,25 +135,35 @@ async fn parse_post(json: serde_json::Value) -> Result<Post, &'static str> {
}
// COMMENTS
#[async_recursion]
async fn parse_comments(json: serde_json::Value) -> Result<Vec<Comment>, &'static str> {
// Separate the comment JSON into a Vector of comments
let comment_data = json["data"]["children"].as_array().unwrap();
let mut comments: Vec<Comment> = Vec::new();
// For each comment, retrieve the values to build a Comment object
for comment in comment_data.iter() {
let unix_time: i64 = comment["data"]["created_utc"].as_f64().unwrap_or(0.0).round() as i64;
if unix_time == 0 {
continue;
}
let score = comment["data"]["score"].as_i64().unwrap_or(0);
let body = markdown_to_html(comment["data"]["body"].as_str().unwrap_or("")).await;
// if comment["data"]["replies"].is_object() {
// let replies = parse_comments(comment["data"]["replies"].clone()).await.unwrap();
// }
let replies: Vec<Comment> = if comment["data"]["replies"].is_object() {
parse_comments(comment["data"]["replies"].clone()).await.unwrap_or(Vec::new())
} else {
Vec::new()
};
comments.push(Comment {
body: body,
author: val(comment, "author").await,
score: format_num(score),
time: Utc.timestamp(unix_time, 0).format("%b %e %Y %H:%M UTC").to_string(),
replies: replies,
});
}