Make functions work with both connection and pool (#3420)

[lemmy.git] / crates / db_views_moderator / src / admin_purge_comment_view.rs

diff --git a/crates/db_views_moderator/src/admin_purge_comment_view.rs b/crates/db_views_moderator/src/admin_purge_comment_view.rs
index 033991a8f7adc3dad60168f6ca78ece0660321bb..ccfc2892a909a42a8102342392e87bed02cd184d 100644 (file)
--- a/crates/db_views_moderator/src/admin_purge_comment_view.rs
+++ b/crates/db_views_moderator/src/admin_purge_comment_view.rs
@@ -1,62 +1,70 @@
-use crate::structs::AdminPurgeCommentView;
-use diesel::{result::Error, *};
+use crate::structs::{AdminPurgeCommentView, ModlogListParams};
+use diesel::{
+  result::Error,
+  BoolExpressionMethods,
+  ExpressionMethods,
+  IntoSql,
+  JoinOnDsl,
+  NullableExpressionMethods,
+  QueryDsl,
+};
+use diesel_async::RunQueryDsl;
 use lemmy_db_schema::{
   newtypes::PersonId,
   schema::{admin_purge_comment, person, post},
-  source::{
-    moderator::AdminPurgeComment,
-    person::{Person, PersonSafe},
-    post::Post,
-  },
-  traits::{ToSafe, ViewToVec},
-  utils::limit_and_offset,
+  source::{moderator::AdminPurgeComment, person::Person, post::Post},
+  traits::JoinView,
+  utils::{get_conn, limit_and_offset, DbPool},
 };
 
-type AdminPurgeCommentViewTuple = (AdminPurgeComment, PersonSafe, Post);
+type AdminPurgeCommentViewTuple = (AdminPurgeComment, Option<Person>, Post);
 
 impl AdminPurgeCommentView {
-  pub fn list(
-    conn: &PgConnection,
-    admin_person_id: Option<PersonId>,
-    page: Option<i64>,
-    limit: Option<i64>,
-  ) -> Result<Vec<Self>, Error> {
+  pub async fn list(pool: &mut DbPool<'_>, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+    let conn = &mut get_conn(pool).await?;
+    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::<diesel::sql_types::Bool>();
+
+    let admin_names_join = admin_purge_comment::admin_person_id
+      .eq(person::id)
+      .and(show_mod_names_expr.or(person::id.eq(admin_person_id_join)));
+
     let mut query = admin_purge_comment::table
-      .inner_join(person::table.on(admin_purge_comment::admin_person_id.eq(person::id)))
+      .left_join(person::table.on(admin_names_join))
       .inner_join(post::table)
       .select((
         admin_purge_comment::all_columns,
-        Person::safe_columns_tuple(),
+        person::all_columns.nullable(),
         post::all_columns,
       ))
       .into_boxed();
 
-    if let Some(admin_person_id) = admin_person_id {
+    if let Some(admin_person_id) = params.mod_person_id {
       query = query.filter(admin_purge_comment::admin_person_id.eq(admin_person_id));
     };
 
-    let (limit, offset) = limit_and_offset(page, limit)?;
+    let (limit, offset) = limit_and_offset(params.page, params.limit)?;
 
     let res = query
       .limit(limit)
       .offset(offset)
       .order_by(admin_purge_comment::when_.desc())
-      .load::<AdminPurgeCommentViewTuple>(conn)?;
+      .load::<AdminPurgeCommentViewTuple>(conn)
+      .await?;
 
-    Ok(Self::from_tuple_to_vec(res))
+    let results = res.into_iter().map(Self::from_tuple).collect();
+    Ok(results)
   }
 }
 
-impl ViewToVec for AdminPurgeCommentView {
-  type DbTuple = AdminPurgeCommentViewTuple;
-  fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
-    items
-      .into_iter()
-      .map(|a| Self {
-        admin_purge_comment: a.0,
-        admin: a.1,
-        post: a.2,
-      })
-      .collect::<Vec<Self>>()
+impl JoinView for AdminPurgeCommentView {
+  type JoinTuple = AdminPurgeCommentViewTuple;
+  fn from_tuple(a: Self::JoinTuple) -> Self {
+    Self {
+      admin_purge_comment: a.0,
+      admin: a.1,
+      post: a.2,
+    }
   }
 }