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@ -275,25 +275,37 @@ impl CommunityLanguage {
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return Ok(());
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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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community_id: for_community_id,
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language_id,
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})
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.collect::<Vec<_>>();
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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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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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for l in lang_ids {
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let form = CommunityLanguageForm {
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community_id: for_community_id,
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language_id: l,
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};
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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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let insert_res = 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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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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} else {
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insert_res?;
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}
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Ok(())
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}) as _
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