2022-05-03 11:44:13 -06:00
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use crate::structs::ModStickyPostView;
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2020-12-16 14:28:18 -07:00
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use diesel::{result::Error, *};
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2020-12-18 10:27:25 -07:00
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use lemmy_db_schema::{
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newtypes::{CommunityId, PersonId},
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schema::{community, mod_sticky_post, person, post},
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source::{
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2020-12-21 05:28:12 -07:00
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community::{Community, CommunitySafe},
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moderator::ModStickyPost,
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person::{Person, PersonSafe},
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post::Post,
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},
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traits::{ToSafe, ViewToVec},
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2022-05-03 11:44:13 -06:00
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utils::limit_and_offset,
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};
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2021-03-10 15:33:55 -07:00
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type ModStickyPostViewTuple = (ModStickyPost, PersonSafe, Post, CommunitySafe);
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impl ModStickyPostView {
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pub fn list(
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conn: &PgConnection,
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community_id: Option<CommunityId>,
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mod_person_id: Option<PersonId>,
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page: Option<i64>,
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limit: Option<i64>,
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) -> Result<Vec<Self>, Error> {
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let mut query = mod_sticky_post::table
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.inner_join(person::table)
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.inner_join(post::table)
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.inner_join(community::table.on(post::community_id.eq(community::id)))
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.select((
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mod_sticky_post::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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))
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.into_boxed();
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if let Some(community_id) = community_id {
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query = query.filter(post::community_id.eq(community_id));
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};
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2021-03-10 15:33:55 -07:00
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if let Some(mod_person_id) = mod_person_id {
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query = query.filter(mod_sticky_post::mod_person_id.eq(mod_person_id));
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};
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2022-07-08 04:21:33 -06:00
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let (limit, offset) = limit_and_offset(page, limit)?;
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let res = query
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.limit(limit)
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.offset(offset)
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.order_by(mod_sticky_post::when_.desc())
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.load::<ModStickyPostViewTuple>(conn)?;
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2020-12-23 14:56:20 -07:00
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Ok(Self::from_tuple_to_vec(res))
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}
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}
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impl ViewToVec for ModStickyPostView {
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type DbTuple = ModStickyPostViewTuple;
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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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mod_sticky_post: a.0,
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moderator: a.1,
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post: a.2,
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community: a.3,
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})
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.collect::<Vec<Self>>()
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}
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}
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