fedimovies/src/mastodon_api/statuses/helpers.rs
2023-01-21 22:56:46 +00:00

104 lines
2.8 KiB
Rust

use uuid::Uuid;
use crate::config::Instance;
use crate::database::{DatabaseClient, DatabaseError};
use crate::models::{
posts::{
emojis::find_emojis,
hashtags::{find_hashtags, replace_hashtags},
helpers::{add_related_posts, add_user_actions},
links::{replace_object_links, find_linked_posts},
mentions::{find_mentioned_profiles, replace_mentions},
types::Post,
},
users::types::User,
};
use super::types::Status;
pub struct PostContent {
pub content: String,
pub mentions: Vec<Uuid>,
pub tags: Vec<String>,
pub links: Vec<Uuid>,
pub linked: Vec<Post>,
pub emojis: Vec<Uuid>,
}
pub async fn parse_microsyntaxes(
db_client: &impl DatabaseClient,
instance: &Instance,
mut content: String,
) -> Result<PostContent, DatabaseError> {
// Mentions
let mention_map = find_mentioned_profiles(
db_client,
&instance.hostname(),
&content,
).await?;
content = replace_mentions(
&mention_map,
&instance.hostname(),
&instance.url(),
&content,
);
let mentions = mention_map.values().map(|profile| profile.id).collect();
// Hashtags
let tags = find_hashtags(&content);
content = replace_hashtags(
&instance.url(),
&content,
&tags,
);
// Links
let link_map = find_linked_posts(
db_client,
&instance.url(),
&content,
).await?;
content = replace_object_links(
&link_map,
&content,
);
let links = link_map.values().map(|post| post.id).collect();
let linked = link_map.into_values().collect();
// Emojis
let emoji_map = find_emojis(
db_client,
&content,
).await?;
let emojis = emoji_map.values().map(|emoji| emoji.id).collect();
Ok(PostContent { content, mentions, tags, links, linked, emojis })
}
/// Load related objects and build status for API response
pub async fn build_status(
db_client: &impl DatabaseClient,
instance_url: &str,
user: Option<&User>,
mut post: Post,
) -> Result<Status, DatabaseError> {
add_related_posts(db_client, vec![&mut post]).await?;
if let Some(user) = user {
add_user_actions(db_client, &user.id, vec![&mut post]).await?;
};
let status = Status::from_post(post, instance_url);
Ok(status)
}
pub async fn build_status_list(
db_client: &impl DatabaseClient,
instance_url: &str,
user: Option<&User>,
mut posts: Vec<Post>,
) -> Result<Vec<Status>, DatabaseError> {
add_related_posts(db_client, posts.iter_mut().collect()).await?;
if let Some(user) = user {
add_user_actions(db_client, &user.id, posts.iter_mut().collect()).await?;
};
let statuses: Vec<Status> = posts
.into_iter()
.map(|post| Status::from_post(post, instance_url))
.collect();
Ok(statuses)
}