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Optimize actor_language.rs (#4612)
* Remove useless transaction in actor_language.rs * Update actor_language.rs * site * community * Update actor_language.rs * Update actor_language.rs * Update actor_language.rs * Update actor_language.rs * Update actor_language.rs
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dullbananas
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b459949f57
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d3737d4453
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@ -43,20 +43,13 @@ impl LocalUserLanguage {
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};
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let conn = &mut get_conn(pool).await?;
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conn
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.build_transaction()
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.run(|conn| {
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Box::pin(async move {
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let langs = local_user_language
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.filter(local_user_id.eq(for_local_user_id))
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.order(language_id)
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.select(language_id)
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.get_results(conn)
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.await?;
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convert_read_languages(conn, langs).await
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}) as _
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})
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.await
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let langs = local_user_language
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.filter(local_user_id.eq(for_local_user_id))
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.order(language_id)
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.select(language_id)
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.get_results(conn)
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.await?;
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convert_read_languages(conn, langs).await
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}
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/// Update the user's languages.
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@ -90,24 +83,33 @@ impl LocalUserLanguage {
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.build_transaction()
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.run(|conn| {
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Box::pin(async move {
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use crate::schema::local_user_language::dsl::{local_user_id, local_user_language};
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// Clear the current user languages
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delete(local_user_language.filter(local_user_id.eq(for_local_user_id)))
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.execute(conn)
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.await?;
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use crate::schema::local_user_language::dsl::{
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language_id,
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local_user_id,
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local_user_language,
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};
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// Delete old languages, not including new languages
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let delete_old = delete(local_user_language)
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.filter(local_user_id.eq(for_local_user_id))
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.filter(language_id.ne_all(&lang_ids))
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.execute(conn);
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let forms = lang_ids
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.into_iter()
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.map(|l| LocalUserLanguageForm {
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.iter()
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.map(|&l| LocalUserLanguageForm {
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local_user_id: for_local_user_id,
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language_id: l,
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})
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.collect::<Vec<_>>();
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insert_into(local_user_language)
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// Insert new languages
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let insert_new = insert_into(local_user_language)
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.values(forms)
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.execute(conn)
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.await?;
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.on_conflict((language_id, local_user_id))
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.do_nothing()
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.execute(conn);
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tokio::try_join!(delete_old, insert_new)?;
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Ok(())
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}) as _
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})
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@ -159,25 +161,30 @@ impl SiteLanguage {
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.build_transaction()
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.run(|conn| {
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Box::pin(async move {
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use crate::schema::site_language::dsl::{site_id, site_language};
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use crate::schema::site_language::dsl::{language_id, site_id, site_language};
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// Clear the current languages
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delete(site_language.filter(site_id.eq(for_site_id)))
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.execute(conn)
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.await?;
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// Delete old languages, not including new languages
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let delete_old = delete(site_language)
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.filter(site_id.eq(for_site_id))
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.filter(language_id.ne_all(&lang_ids))
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.execute(conn);
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let forms = lang_ids
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.into_iter()
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.map(|l| SiteLanguageForm {
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.iter()
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.map(|&l| SiteLanguageForm {
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site_id: for_site_id,
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language_id: l,
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})
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.collect::<Vec<_>>();
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insert_into(site_language)
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// Insert new languages
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let insert_new = insert_into(site_language)
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.values(forms)
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.get_result::<Self>(conn)
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.await?;
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.on_conflict((site_id, language_id))
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.do_nothing()
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.execute(conn);
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tokio::try_join!(delete_old, insert_new)?;
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CommunityLanguage::limit_languages(conn, instance_id).await?;
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@ -278,8 +285,8 @@ impl CommunityLanguage {
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}
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let form = lang_ids
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.into_iter()
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.map(|language_id| CommunityLanguageForm {
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.iter()
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.map(|&language_id| CommunityLanguageForm {
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community_id: for_community_id,
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language_id,
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})
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@ -289,25 +296,25 @@ impl CommunityLanguage {
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.build_transaction()
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.run(|conn| {
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Box::pin(async move {
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use crate::schema::community_language::dsl::{community_id, community_language};
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use diesel::result::DatabaseErrorKind::UniqueViolation;
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// Clear the current languages
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delete(community_language.filter(community_id.eq(for_community_id)))
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.execute(conn)
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.await?;
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use crate::schema::community_language::dsl::{
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community_id,
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community_language,
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language_id,
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};
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// Delete old languages, not including new languages
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let delete_old = delete(community_language)
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.filter(community_id.eq(for_community_id))
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.filter(language_id.ne_all(&lang_ids))
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.execute(conn);
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let insert_res = insert_into(community_language)
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// Insert new languages
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let insert_new = insert_into(community_language)
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.values(form)
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.get_result::<Self>(conn)
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.await;
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.on_conflict((community_id, language_id))
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.do_nothing()
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.execute(conn);
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if let Err(Error::DatabaseError(UniqueViolation, _info)) = insert_res {
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// race condition: this function was probably called simultaneously from another caller. ignore error
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// tracing::warn!("unique error: {_info:#?}");
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// _info.constraint_name() should be = "community_language_community_id_language_id_key"
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return Ok(());
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}
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insert_res?;
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tokio::try_join!(delete_old, insert_new)?;
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Ok(())
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}) as _
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