use diesel::{result::Error, *}; use lemmy_db_queries::{limit_and_offset, MaybeOptional, ToSafe, ViewToVec}; use lemmy_db_schema::{ schema::{community, post, post_report, person, person_alias_1, person_alias_2}, source::{ community::{Community, CommunitySafe}, post::Post, post_report::PostReport, person::{PersonAlias1, PersonAlias2, PersonSafe, PersonSafeAlias1, PersonSafeAlias2, Person}, }, }; use serde::Serialize; #[derive(Debug, PartialEq, Serialize, Clone)] pub struct PostReportView { pub post_report: PostReport, pub post: Post, pub community: CommunitySafe, pub creator: PersonSafe, pub post_creator: PersonSafeAlias1, pub resolver: Option, } type PostReportViewTuple = ( PostReport, Post, CommunitySafe, PersonSafe, PersonSafeAlias1, Option, ); impl PostReportView { /// returns the PostReportView for the provided report_id /// /// * `report_id` - the report id to obtain pub fn read(conn: &PgConnection, report_id: i32) -> Result { let (post_report, post, community, creator, post_creator, resolver) = post_report::table .find(report_id) .inner_join(post::table) .inner_join(community::table.on(post::community_id.eq(community::id))) .inner_join(person::table.on(post_report::creator_id.eq(person::id))) .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id))) .left_join(person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable()))) .select(( post_report::all_columns, post::all_columns, Community::safe_columns_tuple(), Person::safe_columns_tuple(), PersonAlias1::safe_columns_tuple(), PersonAlias2::safe_columns_tuple().nullable(), )) .first::(conn)?; Ok(Self { post_report, post, community, creator, post_creator, resolver, }) } /// returns the current unresolved post report count for the supplied community ids /// /// * `community_ids` - a Vec of community_ids to get a count for /// TODO this eq_any is a bad way to do this, would be better to join to communitymoderator /// for a person id pub fn get_report_count(conn: &PgConnection, community_ids: &[i32]) -> Result { use diesel::dsl::*; post_report::table .inner_join(post::table) .filter( post_report::resolved .eq(false) .and(post::community_id.eq_any(community_ids)), ) .select(count(post_report::id)) .first::(conn) } } pub struct PostReportQueryBuilder<'a> { conn: &'a PgConnection, community_ids: Option>, // TODO bad way to do this page: Option, limit: Option, resolved: Option, } impl<'a> PostReportQueryBuilder<'a> { pub fn create(conn: &'a PgConnection) -> Self { PostReportQueryBuilder { conn, community_ids: None, page: None, limit: None, resolved: Some(false), } } pub fn community_ids>>(mut self, community_ids: T) -> Self { self.community_ids = community_ids.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 resolved>(mut self, resolved: T) -> Self { self.resolved = resolved.get_optional(); self } pub fn list(self) -> Result, Error> { let mut query = post_report::table .inner_join(post::table) .inner_join(community::table.on(post::community_id.eq(community::id))) .inner_join(person::table.on(post_report::creator_id.eq(person::id))) .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id))) .left_join(person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable()))) .select(( post_report::all_columns, post::all_columns, Community::safe_columns_tuple(), Person::safe_columns_tuple(), PersonAlias1::safe_columns_tuple(), PersonAlias2::safe_columns_tuple().nullable(), )) .into_boxed(); if let Some(comm_ids) = self.community_ids { query = query.filter(post::community_id.eq_any(comm_ids)); } if let Some(resolved_flag) = self.resolved { query = query.filter(post_report::resolved.eq(resolved_flag)); } let (limit, offset) = limit_and_offset(self.page, self.limit); let res = query .order_by(post_report::published.asc()) .limit(limit) .offset(offset) .load::(self.conn)?; Ok(PostReportView::from_tuple_to_vec(res)) } } impl ViewToVec for PostReportView { type DbTuple = PostReportViewTuple; fn from_tuple_to_vec(items: Vec) -> Vec { items .iter() .map(|a| Self { post_report: a.0.to_owned(), post: a.1.to_owned(), community: a.2.to_owned(), creator: a.3.to_owned(), post_creator: a.4.to_owned(), resolver: a.5.to_owned(), }) .collect::>() } }