1 use crate::structs::PersonMentionView;
8 NullableExpressionMethods,
11 use diesel_async::RunQueryDsl;
12 use lemmy_db_schema::{
13 aggregates::structs::CommentAggregates,
14 newtypes::{PersonId, PersonMentionId},
29 comment::{Comment, CommentSaved},
30 community::{Community, CommunityFollower, CommunityPersonBan},
32 person_block::PersonBlock,
33 person_mention::PersonMention,
37 utils::{get_conn, limit_and_offset, DbPool},
41 type PersonMentionViewTuple = (
49 Option<CommunityPersonBan>,
50 Option<CommunityFollower>,
56 impl PersonMentionView {
58 pool: &mut DbPool<'_>,
59 person_mention_id: PersonMentionId,
60 my_person_id: Option<PersonId>,
61 ) -> Result<Self, Error> {
62 let conn = &mut get_conn(pool).await?;
63 let person_alias_1 = diesel::alias!(person as person1);
65 // The left join below will return None in this case
66 let person_id_join = my_person_id.unwrap_or(PersonId(-1));
76 creator_banned_from_community,
81 ) = person_mention::table
82 .find(person_mention_id)
83 .inner_join(comment::table)
84 .inner_join(person::table.on(comment::creator_id.eq(person::id)))
85 .inner_join(post::table.on(comment::post_id.eq(post::id)))
86 .inner_join(community::table.on(post::community_id.eq(community::id)))
87 .inner_join(person_alias_1)
88 .inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
90 community_person_ban::table.on(
92 .eq(community_person_ban::community_id)
93 .and(community_person_ban::person_id.eq(comment::creator_id)),
97 community_follower::table.on(
99 .eq(community_follower::community_id)
100 .and(community_follower::person_id.eq(person_id_join)),
104 comment_saved::table.on(
106 .eq(comment_saved::comment_id)
107 .and(comment_saved::person_id.eq(person_id_join)),
111 person_block::table.on(
113 .eq(person_block::target_id)
114 .and(person_block::person_id.eq(person_id_join)),
118 comment_like::table.on(
120 .eq(comment_like::comment_id)
121 .and(comment_like::person_id.eq(person_id_join)),
125 person_mention::all_columns,
126 comment::all_columns,
129 community::all_columns,
130 person_alias_1.fields(person::all_columns),
131 comment_aggregates::all_columns,
132 community_person_ban::all_columns.nullable(),
133 community_follower::all_columns.nullable(),
134 comment_saved::all_columns.nullable(),
135 person_block::all_columns.nullable(),
136 comment_like::score.nullable(),
138 .first::<PersonMentionViewTuple>(conn)
141 Ok(PersonMentionView {
149 creator_banned_from_community: creator_banned_from_community.is_some(),
150 subscribed: CommunityFollower::to_subscribed_type(&follower),
151 saved: saved.is_some(),
152 creator_blocked: creator_blocked.is_some(),
157 /// Gets the number of unread mentions
158 pub async fn get_unread_mentions(
159 pool: &mut DbPool<'_>,
160 my_person_id: PersonId,
161 ) -> Result<i64, Error> {
162 use diesel::dsl::count;
163 let conn = &mut get_conn(pool).await?;
165 person_mention::table
166 .inner_join(comment::table)
167 .filter(person_mention::recipient_id.eq(my_person_id))
168 .filter(person_mention::read.eq(false))
169 .filter(comment::deleted.eq(false))
170 .filter(comment::removed.eq(false))
171 .select(count(person_mention::id))
178 pub struct PersonMentionQuery {
179 pub my_person_id: Option<PersonId>,
180 pub recipient_id: Option<PersonId>,
181 pub sort: Option<CommentSortType>,
182 pub unread_only: Option<bool>,
183 pub show_bot_accounts: Option<bool>,
184 pub page: Option<i64>,
185 pub limit: Option<i64>,
188 impl PersonMentionQuery {
189 pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PersonMentionView>, Error> {
190 let conn = &mut get_conn(pool).await?;
192 let person_alias_1 = diesel::alias!(person as person1);
194 // The left join below will return None in this case
195 let person_id_join = self.my_person_id.unwrap_or(PersonId(-1));
197 let mut query = person_mention::table
198 .inner_join(comment::table)
199 .inner_join(person::table.on(comment::creator_id.eq(person::id)))
200 .inner_join(post::table.on(comment::post_id.eq(post::id)))
201 .inner_join(community::table.on(post::community_id.eq(community::id)))
202 .inner_join(person_alias_1)
203 .inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
205 community_person_ban::table.on(
207 .eq(community_person_ban::community_id)
208 .and(community_person_ban::person_id.eq(comment::creator_id))
210 community_person_ban::expires
212 .or(community_person_ban::expires.gt(now)),
217 community_follower::table.on(
219 .eq(community_follower::community_id)
220 .and(community_follower::person_id.eq(person_id_join)),
224 comment_saved::table.on(
226 .eq(comment_saved::comment_id)
227 .and(comment_saved::person_id.eq(person_id_join)),
231 person_block::table.on(
233 .eq(person_block::target_id)
234 .and(person_block::person_id.eq(person_id_join)),
238 comment_like::table.on(
240 .eq(comment_like::comment_id)
241 .and(comment_like::person_id.eq(person_id_join)),
245 person_mention::all_columns,
246 comment::all_columns,
249 community::all_columns,
250 person_alias_1.fields(person::all_columns),
251 comment_aggregates::all_columns,
252 community_person_ban::all_columns.nullable(),
253 community_follower::all_columns.nullable(),
254 comment_saved::all_columns.nullable(),
255 person_block::all_columns.nullable(),
256 comment_like::score.nullable(),
260 if let Some(recipient_id) = self.recipient_id {
261 query = query.filter(person_mention::recipient_id.eq(recipient_id));
264 if self.unread_only.unwrap_or(false) {
265 query = query.filter(person_mention::read.eq(false));
268 if !self.show_bot_accounts.unwrap_or(true) {
269 query = query.filter(person::bot_account.eq(false));
272 query = match self.sort.unwrap_or(CommentSortType::Hot) {
273 CommentSortType::Hot => query.then_order_by(comment_aggregates::hot_rank.desc()),
274 CommentSortType::Controversial => {
275 query.then_order_by(comment_aggregates::controversy_rank.desc())
277 CommentSortType::New => query.then_order_by(comment::published.desc()),
278 CommentSortType::Old => query.then_order_by(comment::published.asc()),
279 CommentSortType::Top => query.order_by(comment_aggregates::score.desc()),
282 let (limit, offset) = limit_and_offset(self.page, self.limit)?;
287 .load::<PersonMentionViewTuple>(conn)
290 Ok(res.into_iter().map(PersonMentionView::from_tuple).collect())
294 impl JoinView for PersonMentionView {
295 type JoinTuple = PersonMentionViewTuple;
296 fn from_tuple(a: Self::JoinTuple) -> Self {
305 creator_banned_from_community: a.7.is_some(),
306 subscribed: CommunityFollower::to_subscribed_type(&a.8),
307 saved: a.9.is_some(),
308 creator_blocked: a.10.is_some(),