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* Use typed-builder crate for PrivateMessageQuery * derive builder for all queries * remove unnecessary clones * fix tests
301 lines
8.9 KiB
Rust
301 lines
8.9 KiB
Rust
use crate::structs::PersonMentionView;
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use diesel::{dsl::*, result::Error, *};
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use lemmy_db_schema::{
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aggregates::structs::CommentAggregates,
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newtypes::{PersonId, PersonMentionId},
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schema::{
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comment,
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comment_aggregates,
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comment_like,
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comment_saved,
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community,
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community_follower,
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community_person_ban,
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person,
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person_alias_1,
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person_block,
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person_mention,
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post,
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},
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source::{
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comment::{Comment, CommentSaved},
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community::{Community, CommunityFollower, CommunityPersonBan, CommunitySafe},
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person::{Person, PersonAlias1, PersonSafe, PersonSafeAlias1},
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person_block::PersonBlock,
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person_mention::PersonMention,
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post::Post,
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},
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traits::{ToSafe, ViewToVec},
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utils::{functions::hot_rank, limit_and_offset},
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CommentSortType,
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};
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use typed_builder::TypedBuilder;
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type PersonMentionViewTuple = (
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PersonMention,
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Comment,
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PersonSafe,
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Post,
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CommunitySafe,
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PersonSafeAlias1,
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CommentAggregates,
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Option<CommunityPersonBan>,
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Option<CommunityFollower>,
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Option<CommentSaved>,
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Option<PersonBlock>,
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Option<i16>,
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);
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impl PersonMentionView {
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pub fn read(
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conn: &PgConnection,
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person_mention_id: PersonMentionId,
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my_person_id: Option<PersonId>,
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) -> Result<Self, Error> {
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// The left join below will return None in this case
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let person_id_join = my_person_id.unwrap_or(PersonId(-1));
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let (
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person_mention,
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comment,
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creator,
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post,
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community,
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recipient,
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counts,
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creator_banned_from_community,
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follower,
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saved,
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creator_blocked,
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my_vote,
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) = person_mention::table
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.find(person_mention_id)
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.inner_join(comment::table)
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.inner_join(person::table.on(comment::creator_id.eq(person::id)))
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.inner_join(post::table.on(comment::post_id.eq(post::id)))
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.inner_join(community::table.on(post::community_id.eq(community::id)))
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.inner_join(person_alias_1::table)
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.inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
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.left_join(
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community_person_ban::table.on(
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community::id
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.eq(community_person_ban::community_id)
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.and(community_person_ban::person_id.eq(comment::creator_id))
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.and(
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community_person_ban::expires
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.is_null()
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.or(community_person_ban::expires.gt(now)),
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),
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),
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)
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.left_join(
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community_follower::table.on(
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post::community_id
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.eq(community_follower::community_id)
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.and(community_follower::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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comment_saved::table.on(
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comment::id
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.eq(comment_saved::comment_id)
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.and(comment_saved::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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person_block::table.on(
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comment::creator_id
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.eq(person_block::target_id)
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.and(person_block::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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comment_like::table.on(
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comment::id
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.eq(comment_like::comment_id)
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.and(comment_like::person_id.eq(person_id_join)),
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),
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)
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.select((
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person_mention::all_columns,
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comment::all_columns,
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Person::safe_columns_tuple(),
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post::all_columns,
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Community::safe_columns_tuple(),
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PersonAlias1::safe_columns_tuple(),
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comment_aggregates::all_columns,
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community_person_ban::all_columns.nullable(),
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community_follower::all_columns.nullable(),
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comment_saved::all_columns.nullable(),
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person_block::all_columns.nullable(),
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comment_like::score.nullable(),
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))
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.first::<PersonMentionViewTuple>(conn)?;
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Ok(PersonMentionView {
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person_mention,
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comment,
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creator,
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post,
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community,
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recipient,
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counts,
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creator_banned_from_community: creator_banned_from_community.is_some(),
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subscribed: CommunityFollower::to_subscribed_type(&follower),
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saved: saved.is_some(),
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creator_blocked: creator_blocked.is_some(),
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my_vote,
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})
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}
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/// Gets the number of unread mentions
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pub fn get_unread_mentions(conn: &PgConnection, my_person_id: PersonId) -> Result<i64, Error> {
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use diesel::dsl::*;
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person_mention::table
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.filter(person_mention::recipient_id.eq(my_person_id))
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.filter(person_mention::read.eq(false))
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.select(count(person_mention::id))
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.first::<i64>(conn)
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}
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}
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#[derive(TypedBuilder)]
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#[builder(field_defaults(default))]
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pub struct PersonMentionQuery<'a> {
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#[builder(!default)]
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conn: &'a PgConnection,
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my_person_id: Option<PersonId>,
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recipient_id: Option<PersonId>,
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sort: Option<CommentSortType>,
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unread_only: Option<bool>,
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show_bot_accounts: Option<bool>,
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page: Option<i64>,
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limit: Option<i64>,
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}
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impl<'a> PersonMentionQuery<'a> {
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pub fn list(self) -> Result<Vec<PersonMentionView>, Error> {
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use diesel::dsl::*;
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// The left join below will return None in this case
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let person_id_join = self.my_person_id.unwrap_or(PersonId(-1));
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let mut query = person_mention::table
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.inner_join(comment::table)
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.inner_join(person::table.on(comment::creator_id.eq(person::id)))
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.inner_join(post::table.on(comment::post_id.eq(post::id)))
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.inner_join(community::table.on(post::community_id.eq(community::id)))
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.inner_join(person_alias_1::table)
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.inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
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.left_join(
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community_person_ban::table.on(
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community::id
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.eq(community_person_ban::community_id)
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.and(community_person_ban::person_id.eq(comment::creator_id))
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.and(
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community_person_ban::expires
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.is_null()
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.or(community_person_ban::expires.gt(now)),
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),
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),
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)
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.left_join(
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community_follower::table.on(
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post::community_id
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.eq(community_follower::community_id)
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.and(community_follower::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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comment_saved::table.on(
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comment::id
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.eq(comment_saved::comment_id)
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.and(comment_saved::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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person_block::table.on(
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comment::creator_id
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.eq(person_block::target_id)
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.and(person_block::person_id.eq(person_id_join)),
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),
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)
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.left_join(
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comment_like::table.on(
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comment::id
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.eq(comment_like::comment_id)
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.and(comment_like::person_id.eq(person_id_join)),
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),
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)
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.select((
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person_mention::all_columns,
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comment::all_columns,
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Person::safe_columns_tuple(),
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post::all_columns,
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Community::safe_columns_tuple(),
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PersonAlias1::safe_columns_tuple(),
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comment_aggregates::all_columns,
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community_person_ban::all_columns.nullable(),
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community_follower::all_columns.nullable(),
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comment_saved::all_columns.nullable(),
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person_block::all_columns.nullable(),
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comment_like::score.nullable(),
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))
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.into_boxed();
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if let Some(recipient_id) = self.recipient_id {
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query = query.filter(person_mention::recipient_id.eq(recipient_id));
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}
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if self.unread_only.unwrap_or(false) {
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query = query.filter(person_mention::read.eq(false));
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}
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if !self.show_bot_accounts.unwrap_or(true) {
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query = query.filter(person::bot_account.eq(false));
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};
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query = match self.sort.unwrap_or(CommentSortType::Hot) {
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CommentSortType::Hot => query
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.then_order_by(hot_rank(comment_aggregates::score, comment_aggregates::published).desc())
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.then_order_by(comment_aggregates::published.desc()),
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CommentSortType::New => query.then_order_by(comment::published.desc()),
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CommentSortType::Old => query.then_order_by(comment::published.asc()),
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CommentSortType::Top => query.order_by(comment_aggregates::score.desc()),
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};
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let (limit, offset) = limit_and_offset(self.page, self.limit)?;
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let res = query
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.limit(limit)
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.offset(offset)
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.load::<PersonMentionViewTuple>(self.conn)?;
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Ok(PersonMentionView::from_tuple_to_vec(res))
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}
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}
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impl ViewToVec for PersonMentionView {
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type DbTuple = PersonMentionViewTuple;
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fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
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items
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.into_iter()
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.map(|a| Self {
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person_mention: a.0,
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comment: a.1,
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creator: a.2,
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post: a.3,
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community: a.4,
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recipient: a.5,
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counts: a.6,
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creator_banned_from_community: a.7.is_some(),
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subscribed: CommunityFollower::to_subscribed_type(&a.8),
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saved: a.9.is_some(),
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creator_blocked: a.10.is_some(),
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my_vote: a.11,
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})
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.collect::<Vec<Self>>()
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}
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}
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