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