-use diesel::{result::Error, *};
-use lemmy_db_queries::{
- aggregates::comment_aggregates::CommentAggregates,
- functions::hot_rank,
- limit_and_offset,
- MaybeOptional,
- SortType,
- ToSafe,
- ViewToVec,
+use crate::structs::PersonMentionView;
+use diesel::{
+ dsl::now,
+ pg::Pg,
+ result::Error,
+ BoolExpressionMethods,
+ ExpressionMethods,
+ JoinOnDsl,
+ NullableExpressionMethods,
+ QueryDsl,
};
+use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
+ aggregates::structs::CommentAggregates,
+ aliases,
+ newtypes::{PersonId, PersonMentionId},
schema::{
comment,
comment_aggregates,
community_follower,
community_person_ban,
person,
- person_alias_1,
+ person_block,
person_mention,
post,
},
source::{
- comment::{Comment, CommentSaved},
- community::{Community, CommunityFollower, CommunityPersonBan, CommunitySafe},
- person::{Person, PersonAlias1, PersonSafe, PersonSafeAlias1},
+ comment::Comment,
+ community::{Community, CommunityFollower},
+ person::Person,
person_mention::PersonMention,
post::Post,
},
- PersonId,
- PersonMentionId,
+ traits::JoinView,
+ utils::{get_conn, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
+ CommentSortType,
+ SubscribedType,
};
-use serde::Serialize;
-
-#[derive(Debug, PartialEq, Serialize, Clone)]
-pub struct PersonMentionView {
- pub person_mention: PersonMention,
- pub comment: Comment,
- pub creator: PersonSafe,
- pub post: Post,
- pub community: CommunitySafe,
- pub recipient: PersonSafeAlias1,
- pub counts: CommentAggregates,
- pub creator_banned_from_community: bool, // Left Join to CommunityPersonBan
- pub subscribed: bool, // Left join to CommunityFollower
- pub saved: bool, // Left join to CommentSaved
- pub my_vote: Option<i16>, // Left join to CommentLike
-}
type PersonMentionViewTuple = (
PersonMention,
Comment,
- PersonSafe,
+ Person,
Post,
- CommunitySafe,
- PersonSafeAlias1,
+ Community,
+ Person,
CommentAggregates,
- Option<CommunityPersonBan>,
- Option<CommunityFollower>,
- Option<CommentSaved>,
+ bool,
+ SubscribedType,
+ bool,
+ bool,
Option<i16>,
);
-impl PersonMentionView {
- pub fn read(
- conn: &PgConnection,
- person_mention_id: PersonMentionId,
- my_person_id: Option<PersonId>,
- ) -> Result<Self, Error> {
+fn queries<'a>() -> Queries<
+ impl ReadFn<'a, PersonMentionView, (PersonMentionId, Option<PersonId>)>,
+ impl ListFn<'a, PersonMentionView, PersonMentionQuery>,
+> {
+ let all_joins = |query: person_mention::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 (
- person_mention,
- comment,
- creator,
- post,
- community,
- recipient,
- counts,
- creator_banned_from_community,
- subscribed,
- saved,
- my_vote,
- ) = person_mention::table
- .find(person_mention_id)
+ query
.inner_join(comment::table)
.inner_join(person::table.on(comment::creator_id.eq(person::id)))
.inner_join(post::table.on(comment::post_id.eq(post::id)))
.inner_join(community::table.on(post::community_id.eq(community::id)))
- .inner_join(person_alias_1::table)
+ .inner_join(aliases::person1)
.inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
- .left_join(
- community_person_ban::table.on(
- community::id
- .eq(community_person_ban::community_id)
- .and(community_person_ban::person_id.eq(comment::creator_id)),
- ),
- )
.left_join(
community_follower::table.on(
post::community_id
.and(comment_saved::person_id.eq(person_id_join)),
),
)
+ .left_join(
+ person_block::table.on(
+ comment::creator_id
+ .eq(person_block::target_id)
+ .and(person_block::person_id.eq(person_id_join)),
+ ),
+ )
.left_join(
comment_like::table.on(
comment::id
.and(comment_like::person_id.eq(person_id_join)),
),
)
- .select((
- person_mention::all_columns,
- comment::all_columns,
- Person::safe_columns_tuple(),
- post::all_columns,
- Community::safe_columns_tuple(),
- PersonAlias1::safe_columns_tuple(),
- comment_aggregates::all_columns,
- community_person_ban::all_columns.nullable(),
- community_follower::all_columns.nullable(),
- comment_saved::all_columns.nullable(),
- comment_like::score.nullable(),
- ))
- .first::<PersonMentionViewTuple>(conn)?;
-
- Ok(PersonMentionView {
- person_mention,
- comment,
- creator,
- post,
- community,
- recipient,
- counts,
- creator_banned_from_community: creator_banned_from_community.is_some(),
- subscribed: subscribed.is_some(),
- saved: saved.is_some(),
- my_vote,
- })
- }
-}
-
-pub struct PersonMentionQueryBuilder<'a> {
- conn: &'a PgConnection,
- my_person_id: Option<PersonId>,
- recipient_id: Option<PersonId>,
- sort: &'a SortType,
- unread_only: bool,
- page: Option<i64>,
- limit: Option<i64>,
-}
-
-impl<'a> PersonMentionQueryBuilder<'a> {
- pub fn create(conn: &'a PgConnection) -> Self {
- PersonMentionQueryBuilder {
- conn,
- my_person_id: None,
- recipient_id: None,
- sort: &SortType::New,
- unread_only: false,
- page: None,
- limit: None,
- }
- }
-
- pub fn sort(mut self, sort: &'a SortType) -> Self {
- self.sort = sort;
- self
- }
-
- pub fn unread_only(mut self, unread_only: bool) -> Self {
- self.unread_only = unread_only;
- self
- }
-
- pub fn recipient_id<T: MaybeOptional<PersonId>>(mut self, recipient_id: T) -> Self {
- self.recipient_id = recipient_id.get_optional();
- self
- }
-
- pub fn my_person_id<T: MaybeOptional<PersonId>>(mut self, my_person_id: T) -> Self {
- self.my_person_id = my_person_id.get_optional();
- self
- }
-
- pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
- self.page = page.get_optional();
- self
- }
-
- pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
- self.limit = limit.get_optional();
- self
- }
-
- pub fn list(self) -> Result<Vec<PersonMentionView>, Error> {
- use diesel::dsl::*;
-
- // The left join below will return None in this case
- let person_id_join = self.my_person_id.unwrap_or(PersonId(-1));
-
- let mut query = person_mention::table
- .inner_join(comment::table)
- .inner_join(person::table.on(comment::creator_id.eq(person::id)))
- .inner_join(post::table.on(comment::post_id.eq(post::id)))
- .inner_join(community::table.on(post::community_id.eq(community::id)))
- .inner_join(person_alias_1::table)
- .inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
+ };
+
+ let selection = (
+ person_mention::all_columns,
+ comment::all_columns,
+ person::all_columns,
+ post::all_columns,
+ community::all_columns,
+ aliases::person1.fields(person::all_columns),
+ comment_aggregates::all_columns,
+ community_person_ban::id.nullable().is_not_null(),
+ CommunityFollower::select_subscribed_type(),
+ comment_saved::id.nullable().is_not_null(),
+ person_block::id.nullable().is_not_null(),
+ comment_like::score.nullable(),
+ );
+
+ let read =
+ move |mut conn: DbConn<'a>,
+ (person_mention_id, my_person_id): (PersonMentionId, Option<PersonId>)| async move {
+ all_joins(
+ person_mention::table.find(person_mention_id).into_boxed(),
+ my_person_id,
+ )
.left_join(
community_person_ban::table.on(
community::id
.and(community_person_ban::person_id.eq(comment::creator_id)),
),
)
+ .select(selection)
+ .first::<PersonMentionViewTuple>(&mut conn)
+ .await
+ };
+
+ let list = move |mut conn: DbConn<'a>, options: PersonMentionQuery| async move {
+ let mut query = all_joins(person_mention::table.into_boxed(), options.my_person_id)
.left_join(
- community_follower::table.on(
- post::community_id
- .eq(community_follower::community_id)
- .and(community_follower::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- comment_saved::table.on(
- comment::id
- .eq(comment_saved::comment_id)
- .and(comment_saved::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- comment_like::table.on(
- comment::id
- .eq(comment_like::comment_id)
- .and(comment_like::person_id.eq(person_id_join)),
+ community_person_ban::table.on(
+ community::id
+ .eq(community_person_ban::community_id)
+ .and(community_person_ban::person_id.eq(comment::creator_id))
+ .and(
+ community_person_ban::expires
+ .is_null()
+ .or(community_person_ban::expires.gt(now)),
+ ),
),
)
- .select((
- person_mention::all_columns,
- comment::all_columns,
- Person::safe_columns_tuple(),
- post::all_columns,
- Community::safe_columns_tuple(),
- PersonAlias1::safe_columns_tuple(),
- comment_aggregates::all_columns,
- community_person_ban::all_columns.nullable(),
- community_follower::all_columns.nullable(),
- comment_saved::all_columns.nullable(),
- comment_like::score.nullable(),
- ))
- .into_boxed();
+ .select(selection);
- if let Some(recipient_id) = self.recipient_id {
+ if let Some(recipient_id) = options.recipient_id {
query = query.filter(person_mention::recipient_id.eq(recipient_id));
}
- if self.unread_only {
+ if options.unread_only {
query = query.filter(person_mention::read.eq(false));
}
- query = match self.sort {
- SortType::Hot | SortType::Active => query
- .order_by(hot_rank(comment_aggregates::score, comment_aggregates::published).desc())
- .then_order_by(comment_aggregates::published.desc()),
- SortType::New | SortType::MostComments | SortType::NewComments => {
- query.order_by(comment::published.desc())
+ if !options.show_bot_accounts {
+ query = query.filter(person::bot_account.eq(false));
+ };
+
+ query = match options.sort.unwrap_or(CommentSortType::Hot) {
+ CommentSortType::Hot => query.then_order_by(comment_aggregates::hot_rank.desc()),
+ CommentSortType::Controversial => {
+ query.then_order_by(comment_aggregates::controversy_rank.desc())
}
- SortType::TopAll => query.order_by(comment_aggregates::score.desc()),
- SortType::TopYear => query
- .filter(comment::published.gt(now - 1.years()))
- .order_by(comment_aggregates::score.desc()),
- SortType::TopMonth => query
- .filter(comment::published.gt(now - 1.months()))
- .order_by(comment_aggregates::score.desc()),
- SortType::TopWeek => query
- .filter(comment::published.gt(now - 1.weeks()))
- .order_by(comment_aggregates::score.desc()),
- SortType::TopDay => query
- .filter(comment::published.gt(now - 1.days()))
- .order_by(comment_aggregates::score.desc()),
+ CommentSortType::New => query.then_order_by(comment::published.desc()),
+ CommentSortType::Old => query.then_order_by(comment::published.asc()),
+ CommentSortType::Top => query.order_by(comment_aggregates::score.desc()),
};
- let (limit, offset) = limit_and_offset(self.page, self.limit);
+ let (limit, offset) = limit_and_offset(options.page, options.limit)?;
- let res = query
+ query
.limit(limit)
.offset(offset)
- .load::<PersonMentionViewTuple>(self.conn)?;
+ .load::<PersonMentionViewTuple>(&mut conn)
+ .await
+ };
- Ok(PersonMentionView::from_tuple_to_vec(res))
+ Queries::new(read, list)
+}
+
+impl PersonMentionView {
+ pub async fn read(
+ pool: &mut DbPool<'_>,
+ person_mention_id: PersonMentionId,
+ my_person_id: Option<PersonId>,
+ ) -> Result<Self, Error> {
+ queries()
+ .read(pool, (person_mention_id, my_person_id))
+ .await
}
+
+ /// Gets the number of unread mentions
+ pub async fn get_unread_mentions(
+ pool: &mut DbPool<'_>,
+ my_person_id: PersonId,
+ ) -> Result<i64, Error> {
+ use diesel::dsl::count;
+ let conn = &mut get_conn(pool).await?;
+
+ person_mention::table
+ .inner_join(comment::table)
+ .filter(person_mention::recipient_id.eq(my_person_id))
+ .filter(person_mention::read.eq(false))
+ .filter(comment::deleted.eq(false))
+ .filter(comment::removed.eq(false))
+ .select(count(person_mention::id))
+ .first::<i64>(conn)
+ .await
+ }
+}
+
+#[derive(Default)]
+pub struct PersonMentionQuery {
+ pub my_person_id: Option<PersonId>,
+ pub recipient_id: Option<PersonId>,
+ pub sort: Option<CommentSortType>,
+ pub unread_only: bool,
+ pub show_bot_accounts: bool,
+ pub page: Option<i64>,
+ pub limit: Option<i64>,
}
-impl ViewToVec for PersonMentionView {
- type DbTuple = PersonMentionViewTuple;
- fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
- items
- .iter()
- .map(|a| Self {
- person_mention: a.0.to_owned(),
- comment: a.1.to_owned(),
- creator: a.2.to_owned(),
- post: a.3.to_owned(),
- community: a.4.to_owned(),
- recipient: a.5.to_owned(),
- counts: a.6.to_owned(),
- creator_banned_from_community: a.7.is_some(),
- subscribed: a.8.is_some(),
- saved: a.9.is_some(),
- my_vote: a.10,
- })
- .collect::<Vec<Self>>()
+impl PersonMentionQuery {
+ pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PersonMentionView>, Error> {
+ queries().list(pool, self).await
+ }
+}
+
+impl JoinView for PersonMentionView {
+ type JoinTuple = PersonMentionViewTuple;
+ fn from_tuple(a: Self::JoinTuple) -> Self {
+ Self {
+ person_mention: a.0,
+ comment: a.1,
+ creator: a.2,
+ post: a.3,
+ community: a.4,
+ recipient: a.5,
+ counts: a.6,
+ creator_banned_from_community: a.7,
+ subscribed: a.8,
+ saved: a.9,
+ creator_blocked: a.10,
+ my_vote: a.11,
+ }
}
}
projects / lemmy.git / blobdiff