use crate::structs::{ModBanView, ModlogListParams}; use diesel::{ result::Error, BoolExpressionMethods, ExpressionMethods, IntoSql, JoinOnDsl, NullableExpressionMethods, QueryDsl, }; use diesel_async::RunQueryDsl; use lemmy_db_schema::{ newtypes::PersonId, schema::{mod_ban, person}, utils::{get_conn, limit_and_offset, DbPool}, }; impl ModBanView { pub async fn list(pool: &mut DbPool<'_>, params: ModlogListParams) -> Result, Error> { let conn = &mut get_conn(pool).await?; let person_alias_1 = diesel::alias!(person as person1); let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1)); let show_mod_names = !params.hide_modlog_names; let show_mod_names_expr = show_mod_names.as_sql::(); let admin_names_join = mod_ban::mod_person_id .eq(person::id) .and(show_mod_names_expr.or(person::id.eq(admin_person_id_join))); let mut query = mod_ban::table .left_join(person::table.on(admin_names_join)) .inner_join(person_alias_1.on(mod_ban::other_person_id.eq(person_alias_1.field(person::id)))) .select(( mod_ban::all_columns, person::all_columns.nullable(), person_alias_1.fields(person::all_columns), )) .into_boxed(); if let Some(mod_person_id) = params.mod_person_id { query = query.filter(mod_ban::mod_person_id.eq(mod_person_id)); }; if let Some(other_person_id) = params.other_person_id { query = query.filter(person_alias_1.field(person::id).eq(other_person_id)); }; // If a post or comment ID is given, then don't find any results if params.post_id.is_some() || params.comment_id.is_some() { return Ok(vec![]); } let (limit, offset) = limit_and_offset(params.page, params.limit)?; query .limit(limit) .offset(offset) .order_by(mod_ban::when_.desc()) .load::(conn) .await } }