use ammonia::clean_text;
use crate::activitypub::identifiers::{local_actor_id, local_object_id};
use crate::config::Instance;
use crate::models::posts::types::Post;
use crate::models::profiles::types::DbActorProfile;
use crate::utils::{
datetime::get_min_datetime,
html::clean_html_all,
};
const ENTRY_TITLE_MAX_LENGTH: usize = 75;
fn make_entry(
instance_url: &str,
post: &Post,
) -> String {
let object_id = local_object_id(instance_url, &post.id);
let content_escaped = clean_text(&post.content);
let content_cleaned = clean_html_all(&post.content);
// Use trimmed content for title
let mut title: String = content_cleaned.chars()
.take(ENTRY_TITLE_MAX_LENGTH)
.collect();
if title.len() == ENTRY_TITLE_MAX_LENGTH &&
content_cleaned.len() != ENTRY_TITLE_MAX_LENGTH {
title += "...";
};
format!(
r#"
{url}
{title}
{updated_at}
{author}
{content}
"#,
url=object_id,
title=title,
updated_at=post.created_at.to_rfc3339(),
author=post.author.username,
content=content_escaped,
)
}
pub fn get_feed_url(instance_url: &str, username: &str) -> String {
format!("{}/feeds/{}", instance_url, username)
}
pub fn make_feed(
instance: &Instance,
profile: &DbActorProfile,
posts: Vec,
) -> String {
let actor_id = local_actor_id(&instance.url(), &profile.username);
let actor_name = profile.display_name.as_ref()
.unwrap_or(&profile.username);
let actor_address = profile.actor_address(&instance.hostname());
let feed_url = get_feed_url(&instance.url(), &profile.username);
let feed_title = format!("{} (@{})", actor_name, actor_address);
let mut entries = vec![];
let mut feed_updated_at = get_min_datetime();
for post in posts {
let entry = make_entry(&instance.url(), &post);
entries.push(entry);
if post.created_at > feed_updated_at {
feed_updated_at = post.created_at;
};
};
format!(
r#"
{id}
{title}
{updated_at}
{entries}
"#,
id=actor_id,
url=feed_url,
title=feed_title,
updated_at=feed_updated_at.to_rfc3339(),
entries=entries.join("\n"),
)
}