use crate::structs::PersonMentionView; use diesel::{dsl::*, result::Error, *}; use lemmy_db_schema::{ aggregates::structs::CommentAggregates, newtypes::{PersonId, PersonMentionId}, schema::{ comment, comment_aggregates, comment_like, comment_saved, community, 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}, person_block::PersonBlock, person_mention::PersonMention, post::Post, }, traits::{MaybeOptional, ToSafe, ViewToVec}, utils::{functions::hot_rank, limit_and_offset}, CommentSortType, }; type PersonMentionViewTuple = ( PersonMention, Comment, PersonSafe, Post, CommunitySafe, PersonSafeAlias1, CommentAggregates, Option, Option, Option, Option, Option, ); impl PersonMentionView { pub fn read( conn: &PgConnection, person_mention_id: PersonMentionId, my_person_id: Option, ) -> Result { // 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, follower, saved, creator_blocked, my_vote, ) = person_mention::table .find(person_mention_id) .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))) .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)) .and( community_person_ban::expires .is_null() .or(community_person_ban::expires.gt(now)), ), ), ) .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( 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 .eq(comment_like::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(), person_block::all_columns.nullable(), comment_like::score.nullable(), )) .first::(conn)?; Ok(PersonMentionView { person_mention, comment, creator, post, community, recipient, counts, creator_banned_from_community: creator_banned_from_community.is_some(), subscribed: CommunityFollower::to_subscribed_type(&follower), saved: saved.is_some(), creator_blocked: creator_blocked.is_some(), my_vote, }) } /// Gets the number of unread mentions pub fn get_unread_mentions(conn: &PgConnection, my_person_id: PersonId) -> Result { use diesel::dsl::*; person_mention::table .filter(person_mention::recipient_id.eq(my_person_id)) .filter(person_mention::read.eq(false)) .select(count(person_mention::id)) .first::(conn) } } pub struct PersonMentionQueryBuilder<'a> { conn: &'a PgConnection, my_person_id: Option, recipient_id: Option, sort: Option, unread_only: Option, show_bot_accounts: Option, page: Option, limit: Option, } impl<'a> PersonMentionQueryBuilder<'a> { pub fn create(conn: &'a PgConnection) -> Self { PersonMentionQueryBuilder { conn, my_person_id: None, recipient_id: None, sort: None, unread_only: None, show_bot_accounts: None, page: None, limit: None, } } pub fn sort>(mut self, sort: T) -> Self { self.sort = sort.get_optional(); self } pub fn unread_only>(mut self, unread_only: T) -> Self { self.unread_only = unread_only.get_optional(); self } pub fn show_bot_accounts>(mut self, show_bot_accounts: T) -> Self { self.show_bot_accounts = show_bot_accounts.get_optional(); self } pub fn recipient_id>(mut self, recipient_id: T) -> Self { self.recipient_id = recipient_id.get_optional(); self } pub fn my_person_id>(mut self, my_person_id: T) -> Self { self.my_person_id = my_person_id.get_optional(); self } pub fn page>(mut self, page: T) -> Self { self.page = page.get_optional(); self } pub fn limit>(mut self, limit: T) -> Self { self.limit = limit.get_optional(); self } pub fn list(self) -> Result, 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))) .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)) .and( community_person_ban::expires .is_null() .or(community_person_ban::expires.gt(now)), ), ), ) .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( 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 .eq(comment_like::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(), person_block::all_columns.nullable(), comment_like::score.nullable(), )) .into_boxed(); if let Some(recipient_id) = self.recipient_id { query = query.filter(person_mention::recipient_id.eq(recipient_id)); } if self.unread_only.unwrap_or(false) { query = query.filter(person_mention::read.eq(false)); } if !self.show_bot_accounts.unwrap_or(true) { query = query.filter(person::bot_account.eq(false)); }; query = match self.sort.unwrap_or(CommentSortType::Hot) { CommentSortType::Hot => query .then_order_by(hot_rank(comment_aggregates::score, comment_aggregates::published).desc()) .then_order_by(comment_aggregates::published.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 res = query .limit(limit) .offset(offset) .load::(self.conn)?; Ok(PersonMentionView::from_tuple_to_vec(res)) } } impl ViewToVec for PersonMentionView { type DbTuple = PersonMentionViewTuple; fn from_tuple_to_vec(items: Vec) -> Vec { 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: CommunityFollower::to_subscribed_type(&a.8), saved: a.9.is_some(), creator_blocked: a.10.is_some(), my_vote: a.11, }) .collect::>() } }