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efee2062dd
* Mark account as bot. Fixes #1357 * Fix clippy * Federate bot status using actor `type` field * fix clippy Co-authored-by: Dessalines <tyhou13@gmx.com>
439 lines
12 KiB
Rust
439 lines
12 KiB
Rust
use actix_web::{error::ErrorBadRequest, *};
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use anyhow::anyhow;
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use chrono::{DateTime, NaiveDateTime, Utc};
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use diesel::PgConnection;
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use lemmy_api_common::blocking;
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use lemmy_db_queries::{
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source::{community::Community_, person::Person_},
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Crud,
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ListingType,
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SortType,
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};
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use lemmy_db_schema::{
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source::{community::Community, local_user::LocalUser, person::Person},
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LocalUserId,
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};
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use lemmy_db_views::{
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comment_view::{CommentQueryBuilder, CommentView},
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post_view::{PostQueryBuilder, PostView},
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site_view::SiteView,
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};
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use lemmy_db_views_actor::person_mention_view::{PersonMentionQueryBuilder, PersonMentionView};
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use lemmy_utils::{
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claims::Claims,
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settings::structs::Settings,
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utils::markdown_to_html,
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LemmyError,
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};
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use lemmy_websocket::LemmyContext;
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use rss::{
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extension::dublincore::DublinCoreExtensionBuilder,
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ChannelBuilder,
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GuidBuilder,
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Item,
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ItemBuilder,
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};
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use serde::Deserialize;
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use std::{collections::HashMap, str::FromStr};
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use strum::ParseError;
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#[derive(Deserialize)]
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struct Params {
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sort: Option<String>,
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}
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enum RequestType {
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Community,
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User,
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Front,
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Inbox,
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}
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pub fn config(cfg: &mut web::ServiceConfig) {
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cfg
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.route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
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.route("/feeds/all.xml", web::get().to(get_all_feed))
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.route("/feeds/local.xml", web::get().to(get_local_feed));
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}
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lazy_static! {
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static ref RSS_NAMESPACE: HashMap<String, String> = {
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let mut h = HashMap::new();
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h.insert(
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"dc".to_string(),
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rss::extension::dublincore::NAMESPACE.to_string(),
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);
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h
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};
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}
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async fn get_all_feed(
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info: web::Query<Params>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, Error> {
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let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
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Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
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}
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async fn get_local_feed(
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info: web::Query<Params>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, Error> {
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let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
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Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
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}
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async fn get_feed_data(
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context: &LemmyContext,
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listing_type: ListingType,
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sort_type: SortType,
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) -> Result<HttpResponse, LemmyError> {
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let site_view = blocking(context.pool(), move |conn| SiteView::read(&conn)).await??;
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let listing_type_ = listing_type.clone();
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let posts = blocking(context.pool(), move |conn| {
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PostQueryBuilder::create(&conn)
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.listing_type(&listing_type_)
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.sort(&sort_type)
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.list()
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})
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.await??;
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let items = create_post_items(posts)?;
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let mut channel_builder = ChannelBuilder::default();
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channel_builder
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.namespaces(RSS_NAMESPACE.to_owned())
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.title(&format!(
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"{} - {}",
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site_view.site.name,
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listing_type.to_string()
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))
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.link(Settings::get().get_protocol_and_hostname())
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.items(items);
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if let Some(site_desc) = site_view.site.description {
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channel_builder.description(&site_desc);
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}
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let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
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Ok(
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HttpResponse::Ok()
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.content_type("application/rss+xml")
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.body(rss),
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)
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}
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async fn get_feed(
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web::Path((req_type, param)): web::Path<(String, String)>,
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info: web::Query<Params>,
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context: web::Data<LemmyContext>,
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) -> Result<HttpResponse, Error> {
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let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
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let request_type = match req_type.as_str() {
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"u" => RequestType::User,
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"c" => RequestType::Community,
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"front" => RequestType::Front,
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"inbox" => RequestType::Inbox,
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_ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
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};
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let builder = blocking(context.pool(), move |conn| match request_type {
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RequestType::User => get_feed_user(conn, &sort_type, param),
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RequestType::Community => get_feed_community(conn, &sort_type, param),
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RequestType::Front => get_feed_front(conn, &sort_type, param),
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RequestType::Inbox => get_feed_inbox(conn, param),
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})
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.await?
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.map_err(ErrorBadRequest)?;
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let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
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Ok(
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HttpResponse::Ok()
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.content_type("application/rss+xml")
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.body(rss),
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)
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}
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fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
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let sort_query = info
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.sort
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.to_owned()
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.unwrap_or_else(|| SortType::Hot.to_string());
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SortType::from_str(&sort_query)
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}
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fn get_feed_user(
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conn: &PgConnection,
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sort_type: &SortType,
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user_name: String,
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) -> Result<ChannelBuilder, LemmyError> {
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let site_view = SiteView::read(&conn)?;
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let person = Person::find_by_name(&conn, &user_name)?;
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let posts = PostQueryBuilder::create(&conn)
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.listing_type(&ListingType::All)
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.sort(sort_type)
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.creator_id(person.id)
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.list()?;
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let items = create_post_items(posts)?;
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let mut channel_builder = ChannelBuilder::default();
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channel_builder
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.namespaces(RSS_NAMESPACE.to_owned())
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.title(&format!("{} - {}", site_view.site.name, person.name))
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.link(person.actor_id.to_string())
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.items(items);
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Ok(channel_builder)
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}
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fn get_feed_community(
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conn: &PgConnection,
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sort_type: &SortType,
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community_name: String,
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) -> Result<ChannelBuilder, LemmyError> {
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let site_view = SiteView::read(&conn)?;
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let community = Community::read_from_name(&conn, &community_name)?;
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let posts = PostQueryBuilder::create(&conn)
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.listing_type(&ListingType::All)
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.sort(sort_type)
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.community_id(community.id)
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.list()?;
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let items = create_post_items(posts)?;
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let mut channel_builder = ChannelBuilder::default();
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channel_builder
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.namespaces(RSS_NAMESPACE.to_owned())
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.title(&format!("{} - {}", site_view.site.name, community.name))
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.link(community.actor_id.to_string())
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.items(items);
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if let Some(community_desc) = community.description {
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channel_builder.description(&community_desc);
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}
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Ok(channel_builder)
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}
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fn get_feed_front(
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conn: &PgConnection,
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sort_type: &SortType,
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jwt: String,
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) -> Result<ChannelBuilder, LemmyError> {
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let site_view = SiteView::read(&conn)?;
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let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
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let local_user = LocalUser::read(&conn, local_user_id)?;
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let person_id = local_user.person_id;
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let show_bot_accounts = local_user.show_bot_accounts;
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let posts = PostQueryBuilder::create(&conn)
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.listing_type(&ListingType::Subscribed)
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.my_person_id(person_id)
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.show_bot_accounts(show_bot_accounts)
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.sort(sort_type)
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.list()?;
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let items = create_post_items(posts)?;
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let mut channel_builder = ChannelBuilder::default();
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channel_builder
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.namespaces(RSS_NAMESPACE.to_owned())
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.title(&format!("{} - Subscribed", site_view.site.name))
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.link(Settings::get().get_protocol_and_hostname())
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.items(items);
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if let Some(site_desc) = site_view.site.description {
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channel_builder.description(&site_desc);
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}
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Ok(channel_builder)
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}
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fn get_feed_inbox(conn: &PgConnection, jwt: String) -> Result<ChannelBuilder, LemmyError> {
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let site_view = SiteView::read(&conn)?;
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let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
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let local_user = LocalUser::read(&conn, local_user_id)?;
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let person_id = local_user.person_id;
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let show_bot_accounts = local_user.show_bot_accounts;
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let sort = SortType::New;
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let replies = CommentQueryBuilder::create(&conn)
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.recipient_id(person_id)
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.my_person_id(person_id)
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.show_bot_accounts(show_bot_accounts)
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.sort(&sort)
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.list()?;
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let mentions = PersonMentionQueryBuilder::create(&conn)
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.recipient_id(person_id)
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.my_person_id(person_id)
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.sort(&sort)
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.list()?;
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let items = create_reply_and_mention_items(replies, mentions)?;
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let mut channel_builder = ChannelBuilder::default();
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channel_builder
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.namespaces(RSS_NAMESPACE.to_owned())
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.title(&format!("{} - Inbox", site_view.site.name))
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.link(format!(
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"{}/inbox",
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Settings::get().get_protocol_and_hostname()
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))
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.items(items);
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if let Some(site_desc) = site_view.site.description {
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channel_builder.description(&site_desc);
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}
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Ok(channel_builder)
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}
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fn create_reply_and_mention_items(
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replies: Vec<CommentView>,
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mentions: Vec<PersonMentionView>,
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) -> Result<Vec<Item>, LemmyError> {
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let mut reply_items: Vec<Item> = replies
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.iter()
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.map(|r| {
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let reply_url = format!(
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"{}/post/{}/comment/{}",
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Settings::get().get_protocol_and_hostname(),
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r.post.id,
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r.comment.id
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);
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build_item(
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&r.creator.name,
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&r.comment.published,
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&reply_url,
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&r.comment.content,
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)
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})
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.collect::<Result<Vec<Item>, LemmyError>>()?;
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let mut mention_items: Vec<Item> = mentions
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.iter()
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.map(|m| {
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let mention_url = format!(
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"{}/post/{}/comment/{}",
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Settings::get().get_protocol_and_hostname(),
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m.post.id,
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m.comment.id
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);
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build_item(
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&m.creator.name,
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&m.comment.published,
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&mention_url,
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&m.comment.content,
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)
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})
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.collect::<Result<Vec<Item>, LemmyError>>()?;
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reply_items.append(&mut mention_items);
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Ok(reply_items)
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}
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fn build_item(
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creator_name: &str,
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published: &NaiveDateTime,
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url: &str,
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content: &str,
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) -> Result<Item, LemmyError> {
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let mut i = ItemBuilder::default();
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i.title(format!("Reply from {}", creator_name));
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let author_url = format!(
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"{}/u/{}",
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Settings::get().get_protocol_and_hostname(),
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creator_name
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);
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i.author(format!(
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"/u/{} <a href=\"{}\">(link)</a>",
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creator_name, author_url
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));
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let dt = DateTime::<Utc>::from_utc(*published, Utc);
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i.pub_date(dt.to_rfc2822());
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i.comments(url.to_owned());
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let guid = GuidBuilder::default()
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.permalink(true)
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.value(url)
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.build()
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.map_err(|e| anyhow!(e))?;
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i.guid(guid);
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i.link(url.to_owned());
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// TODO add images
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let html = markdown_to_html(&content.to_string());
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i.description(html);
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Ok(i.build().map_err(|e| anyhow!(e))?)
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}
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fn create_post_items(posts: Vec<PostView>) -> Result<Vec<Item>, LemmyError> {
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let mut items: Vec<Item> = Vec::new();
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for p in posts {
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let mut i = ItemBuilder::default();
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let mut dc_extension = DublinCoreExtensionBuilder::default();
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i.title(p.post.name);
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dc_extension.creators(vec![p.creator.actor_id.to_string()]);
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let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
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i.pub_date(dt.to_rfc2822());
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let post_url = format!(
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"{}/post/{}",
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Settings::get().get_protocol_and_hostname(),
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p.post.id
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);
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i.link(post_url.to_owned());
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i.comments(post_url.to_owned());
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let guid = GuidBuilder::default()
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.permalink(true)
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.value(&post_url)
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.build()
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.map_err(|e| anyhow!(e))?;
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i.guid(guid);
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let community_url = format!(
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"{}/c/{}",
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Settings::get().get_protocol_and_hostname(),
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p.community.name
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);
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// TODO add images
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let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
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p.creator.actor_id,
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p.creator.name,
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community_url,
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p.community.name,
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p.counts.score,
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post_url,
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p.counts.comments);
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// If its a url post, add it to the description
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if let Some(url) = p.post.url {
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let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
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description.push_str(&link_html);
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}
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if let Some(body) = p.post.body {
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let html = markdown_to_html(&body);
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description.push_str(&html);
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}
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i.description(description);
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i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
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items.push(i.build().map_err(|e| anyhow!(e))?);
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}
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Ok(items)
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}
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