use crate::structs::{CommunityModeratorView, CommunityView, PersonView};
use diesel::{
+ pg::Pg,
result::Error,
BoolExpressionMethods,
ExpressionMethods,
local_user::LocalUser,
},
traits::JoinView,
- utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+ utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
ListingType,
SortType,
};
-use typed_builder::TypedBuilder;
type CommunityViewTuple = (
Community,
Option<CommunityBlock>,
);
-impl CommunityView {
- pub async fn read(
- pool: &DbPool,
- community_id: CommunityId,
- my_person_id: Option<PersonId>,
- is_mod_or_admin: Option<bool>,
- ) -> Result<Self, Error> {
- let conn = &mut get_conn(pool).await?;
+fn queries<'a>() -> Queries<
+ impl ReadFn<'a, CommunityView, (CommunityId, Option<PersonId>, Option<bool>)>,
+ impl ListFn<'a, CommunityView, CommunityQuery<'a>>,
+> {
+ let all_joins = |query: community::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
// The left join below will return None in this case
let person_id_join = my_person_id.unwrap_or(PersonId(-1));
- let mut query = community::table
- .find(community_id)
+ query
.inner_join(community_aggregates::table)
.left_join(
community_follower::table.on(
.and(community_block::person_id.eq(person_id_join)),
),
)
- .select((
- community::all_columns,
- community_aggregates::all_columns,
- community_follower::all_columns.nullable(),
- community_block::all_columns.nullable(),
- ))
- .into_boxed();
+ };
+
+ let selection = (
+ community::all_columns,
+ community_aggregates::all_columns,
+ community_follower::all_columns.nullable(),
+ community_block::all_columns.nullable(),
+ );
+
+ let not_removed_or_deleted = community::removed
+ .eq(false)
+ .and(community::deleted.eq(false));
+
+ let read = move |mut conn: DbConn<'a>,
+ (community_id, my_person_id, is_mod_or_admin): (
+ CommunityId,
+ Option<PersonId>,
+ Option<bool>,
+ )| async move {
+ let mut query = all_joins(
+ community::table.find(community_id).into_boxed(),
+ my_person_id,
+ )
+ .select(selection);
// Hide deleted and removed for non-admins or mods
if !is_mod_or_admin.unwrap_or(false) {
- query = query
- .filter(community::removed.eq(false))
- .filter(community::deleted.eq(false));
+ query = query.filter(not_removed_or_deleted);
}
- let (community, counts, follower, blocked) = query.first::<CommunityViewTuple>(conn).await?;
+ query.first::<CommunityViewTuple>(&mut conn).await
+ };
- Ok(CommunityView {
- community,
- subscribed: CommunityFollower::to_subscribed_type(&follower),
- blocked: blocked.is_some(),
- counts,
- })
- }
-
- pub async fn is_mod_or_admin(
- pool: &DbPool,
- person_id: PersonId,
- community_id: CommunityId,
- ) -> Result<bool, Error> {
- let is_mod = CommunityModeratorView::for_community(pool, community_id)
- .await
- .map(|v| {
- v.into_iter()
- .map(|m| m.moderator.id)
- .collect::<Vec<PersonId>>()
- })
- .unwrap_or_default()
- .contains(&person_id);
- if is_mod {
- return Ok(true);
- }
-
- let is_admin = PersonView::admins(pool)
- .await
- .map(|v| {
- v.into_iter()
- .map(|a| a.person.id)
- .collect::<Vec<PersonId>>()
- })
- .unwrap_or_default()
- .contains(&person_id);
- Ok(is_admin)
- }
-}
-
-#[derive(TypedBuilder)]
-#[builder(field_defaults(default))]
-pub struct CommunityQuery<'a> {
- #[builder(!default)]
- pool: &'a DbPool,
- listing_type: Option<ListingType>,
- sort: Option<SortType>,
- local_user: Option<&'a LocalUser>,
- search_term: Option<String>,
- is_mod_or_admin: Option<bool>,
- show_nsfw: Option<bool>,
- page: Option<i64>,
- limit: Option<i64>,
-}
-
-impl<'a> CommunityQuery<'a> {
- pub async fn list(self) -> Result<Vec<CommunityView>, Error> {
+ let list = move |mut conn: DbConn<'a>, options: CommunityQuery<'a>| async move {
use SortType::*;
- let conn = &mut get_conn(self.pool).await?;
+ let my_person_id = options.local_user.map(|l| l.person_id);
// The left join below will return None in this case
- let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
+ let person_id_join = my_person_id.unwrap_or(PersonId(-1));
- let mut query = community::table
- .inner_join(community_aggregates::table)
+ let mut query = all_joins(community::table.into_boxed(), my_person_id)
.left_join(local_user::table.on(local_user::person_id.eq(person_id_join)))
- .left_join(
- community_follower::table.on(
- community::id
- .eq(community_follower::community_id)
- .and(community_follower::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- community_block::table.on(
- community::id
- .eq(community_block::community_id)
- .and(community_block::person_id.eq(person_id_join)),
- ),
- )
- .select((
- community::all_columns,
- community_aggregates::all_columns,
- community_follower::all_columns.nullable(),
- community_block::all_columns.nullable(),
- ))
- .into_boxed();
-
- if let Some(search_term) = self.search_term {
+ .select(selection);
+
+ if let Some(search_term) = options.search_term {
let searcher = fuzzy_search(&search_term);
query = query
.filter(community::name.ilike(searcher.clone()))
- .or_filter(community::title.ilike(searcher));
- };
+ .or_filter(community::title.ilike(searcher))
+ }
// Hide deleted and removed for non-admins or mods
- if !self.is_mod_or_admin.unwrap_or(false) {
- query = query
- .filter(community::removed.eq(false))
- .filter(community::deleted.eq(false))
- .filter(
- community::hidden
- .eq(false)
- .or(community_follower::person_id.eq(person_id_join)),
- );
+ if !options.is_mod_or_admin.unwrap_or(false) {
+ query = query.filter(not_removed_or_deleted).filter(
+ community::hidden
+ .eq(false)
+ .or(community_follower::person_id.eq(person_id_join)),
+ );
}
- match self.sort.unwrap_or(Hot) {
+
+ match options.sort.unwrap_or(Hot) {
Hot | Active => query = query.order_by(community_aggregates::hot_rank.desc()),
NewComments | TopDay | TopTwelveHour | TopSixHour | TopHour => {
query = query.order_by(community_aggregates::users_active_day.desc())
}
New => query = query.order_by(community::published.desc()),
Old => query = query.order_by(community::published.asc()),
- MostComments => query = query.order_by(community_aggregates::comments.desc()),
+ // Controversial is temporary until a CommentSortType is created
+ MostComments | Controversial => query = query.order_by(community_aggregates::comments.desc()),
TopAll | TopYear | TopNineMonths => {
query = query.order_by(community_aggregates::subscribers.desc())
}
TopWeek => query = query.order_by(community_aggregates::users_active_week.desc()),
};
- if let Some(listing_type) = self.listing_type {
+ if let Some(listing_type) = options.listing_type {
query = match listing_type {
ListingType::Subscribed => query.filter(community_follower::person_id.is_not_null()), // TODO could be this: and(community_follower::person_id.eq(person_id_join)),
ListingType::Local => query.filter(community::local.eq(true)),
}
// Don't show blocked communities or nsfw communities if not enabled in profile
- if self.local_user.is_some() {
+ if options.local_user.is_some() {
query = query.filter(community_block::person_id.is_null());
query = query.filter(community::nsfw.eq(false).or(local_user::show_nsfw.eq(true)));
} else {
// No person in request, only show nsfw communities if show_nsfw is passed into request
- if !self.show_nsfw.unwrap_or(false) {
+ if !options.show_nsfw.unwrap_or(false) {
query = query.filter(community::nsfw.eq(false));
}
}
- let (limit, offset) = limit_and_offset(self.page, self.limit)?;
- let res = query
+ let (limit, offset) = limit_and_offset(options.page, options.limit)?;
+ query
.limit(limit)
.offset(offset)
- .load::<CommunityViewTuple>(conn)
- .await?;
+ .load::<CommunityViewTuple>(&mut conn)
+ .await
+ };
+
+ Queries::new(read, list)
+}
- Ok(res.into_iter().map(CommunityView::from_tuple).collect())
+impl CommunityView {
+ pub async fn read(
+ pool: &mut DbPool<'_>,
+ community_id: CommunityId,
+ my_person_id: Option<PersonId>,
+ is_mod_or_admin: Option<bool>,
+ ) -> Result<Self, Error> {
+ queries()
+ .read(pool, (community_id, my_person_id, is_mod_or_admin))
+ .await
+ }
+
+ pub async fn is_mod_or_admin(
+ pool: &mut DbPool<'_>,
+ person_id: PersonId,
+ community_id: CommunityId,
+ ) -> Result<bool, Error> {
+ let is_mod =
+ CommunityModeratorView::is_community_moderator(pool, community_id, person_id).await?;
+ if is_mod {
+ return Ok(true);
+ }
+
+ PersonView::is_admin(pool, person_id).await
+ }
+}
+
+#[derive(Default)]
+pub struct CommunityQuery<'a> {
+ pub listing_type: Option<ListingType>,
+ pub sort: Option<SortType>,
+ pub local_user: Option<&'a LocalUser>,
+ pub search_term: Option<String>,
+ pub is_mod_or_admin: Option<bool>,
+ pub show_nsfw: Option<bool>,
+ pub page: Option<i64>,
+ pub limit: Option<i64>,
+}
+
+impl<'a> CommunityQuery<'a> {
+ pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<CommunityView>, Error> {
+ queries().list(pool, self).await
}
}
projects / lemmy.git / blobdiff