feat: normalized pagination

This commit is contained in:
əlemi 2024-03-27 04:23:42 +01:00
parent 139e973277
commit fe30ad59d7
Signed by: alemi
GPG key ID: A4895B84D311642C
3 changed files with 53 additions and 50 deletions

View file

@ -3,7 +3,30 @@ use sea_orm::{ColumnTrait, Condition, EntityTrait, PaginatorTrait, QueryFilter,
use crate::{activitypub::{jsonld::LD, JsonLD, Pagination}, activitystream::{object::collection::{page::CollectionPageMut, CollectionMut, CollectionType}, BaseMut, Node}, model, server::Context, url};
pub async fn follow___<const OUTGOING: bool>(
use model::relation::Column::{Following, Follower};
pub async fn get<const OUTGOING: bool>(
State(ctx): State<Context>,
Path(id): Path<String>,
) -> Result<JsonLD<serde_json::Value>, StatusCode> {
let follow___ = if OUTGOING { "following" } else { "followers" };
let count = model::relation::Entity::find()
.filter(Condition::all().add(if OUTGOING { Follower } else { Following }.eq(id.clone())))
.count(ctx.db()).await.unwrap_or_else(|e| {
tracing::error!("failed counting {follow___} for {id}: {e}");
0
});
Ok(JsonLD(
serde_json::Value::new_object()
.set_id(Some(&format!("{}/users/{id}/{follow___}", ctx.base())))
.set_collection_type(Some(CollectionType::OrderedCollection))
.set_total_items(Some(count))
.set_first(Node::link(format!("{}/users/{id}/{follow___}/page", ctx.base())))
.ld_context()
))
}
pub async fn page<const OUTGOING: bool>(
State(ctx): State<Context>,
Path(id): Path<String>,
Query(page): Query<Pagination>,
@ -11,48 +34,26 @@ pub async fn follow___<const OUTGOING: bool>(
let follow___ = if OUTGOING { "following" } else { "followers" };
let limit = page.batch.unwrap_or(20).min(50);
let offset = page.offset.unwrap_or(0);
if let Some(true) = page.page {
use model::relation::Column::{Following, Follower};
match model::relation::Entity::find()
.filter(Condition::all().add(if OUTGOING { Follower } else { Following }.eq(id.clone())))
.select_column(if OUTGOING { Following } else { Follower })
.limit(limit)
.offset(page.offset.unwrap_or(0))
.all(ctx.db()).await
{
Err(e) => {
tracing::error!("error queriying {follow___} for {id}: {e}");
Err(StatusCode::INTERNAL_SERVER_ERROR)
},
Ok(following) => {
Ok(JsonLD(
serde_json::Value::new_object()
.set_collection_type(Some(CollectionType::OrderedCollectionPage))
.set_part_of(Node::link(url!(ctx, "/users/{id}/{follow___}")))
.set_next(Node::link(url!(ctx, "/users/{id}/{follow___}?page=true&offset={}", offset+limit)))
.set_ordered_items(Node::array(following.into_iter().map(|x| x.following).collect()))
.ld_context()
))
},
}
} else {
let count = model::relation::Entity::find()
.filter(Condition::all().add(model::relation::Column::Follower.eq(id.clone())))
.count(ctx.db()).await.unwrap_or_else(|e| {
tracing::error!("failed counting {follow___} for {id}: {e}");
0
});
Ok(JsonLD(
serde_json::Value::new_object()
.set_id(Some(&format!("{}/users/{id}/{follow___}", ctx.base())))
.set_collection_type(Some(CollectionType::OrderedCollection))
.set_total_items(Some(count))
.set_first(Node::link(format!("{}/users/{id}/{follow___}?page=true", ctx.base())))
.ld_context()
))
match model::relation::Entity::find()
.filter(Condition::all().add(if OUTGOING { Follower } else { Following }.eq(id.clone())))
.select_column(if OUTGOING { Following } else { Follower })
.limit(limit)
.offset(page.offset.unwrap_or(0))
.all(ctx.db()).await
{
Err(e) => {
tracing::error!("error queriying {follow___} for {id}: {e}");
Err(StatusCode::INTERNAL_SERVER_ERROR)
},
Ok(following) => {
Ok(JsonLD(
serde_json::Value::new_object()
.set_collection_type(Some(CollectionType::OrderedCollectionPage))
.set_part_of(Node::link(url!(ctx, "/users/{id}/{follow___}")))
.set_next(Node::link(url!(ctx, "/users/{id}/{follow___}/page?offset={}", offset+limit)))
.set_ordered_items(Node::array(following.into_iter().map(|x| x.following).collect()))
.ld_context()
))
},
}
}

View file

@ -2,8 +2,7 @@ pub mod inbox;
pub mod outbox;
mod following;
pub use following::follow___;
pub mod following;
use axum::{extract::{Path, State}, http::StatusCode};
use sea_orm::EntityTrait;

View file

@ -21,13 +21,16 @@ pub async fn serve(db: DatabaseConnection, domain: String) {
.route("/nodeinfo/:version", get(ap::well_known::nodeinfo))
// actor routes
.route("/users/:id", get(ap::user::view))
.route("/users/:id/inbox", get(ap::user::inbox::get))
.route("/users/:id/inbox", post(ap::user::inbox::post))
.route("/users/:id/outbox", get(ap::user::outbox::get))
.route("/users/:id/inbox", get(ap::user::inbox::get))
.route("/users/:id/inbox/page", get(ap::user::inbox::page))
.route("/users/:id/outbox", post(ap::user::outbox::post))
.route("/users/:id/outbox", get(ap::user::outbox::get))
.route("/users/:id/outbox/page", get(ap::user::outbox::page))
.route("/users/:id/followers", get(ap::user::follow___::<false>))
.route("/users/:id/following", get(ap::user::follow___::<true>))
.route("/users/:id/followers", get(ap::user::following::get::<false>))
.route("/users/:id/followers/page", get(ap::user::following::page::<false>))
.route("/users/:id/following", get(ap::user::following::get::<true>))
.route("/users/:id/following/page", get(ap::user::following::page::<true>))
// specific object routes
.route("/activities/:id", get(ap::activity::view))
.route("/objects/:id", get(ap::object::view))