36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
use crate::{common, Attributes};
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use quote::quote;
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pub(crate) fn derive_diesel_crud_update_impl(
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Attributes {
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struct_ident,
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table,
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update,
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..
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}: &Attributes,
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) -> proc_macro2::TokenStream {
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let return_type = common::return_type(quote! { Self });
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quote! {
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#[automatically_derived]
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impl lib::diesel_crud_trait::DieselCrudUpdate for #struct_ident {
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type Update = #update;
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fn update<'a, 'async_trait>(update: Self::Update, conn: &'a mut diesel_async::AsyncPgConnection) -> #return_type
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where
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Self: Sized + Sync + 'a,
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'a: 'async_trait,
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{
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Box::pin(async move {
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use diesel::associations::HasTable;
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diesel_async::RunQueryDsl::get_result(
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diesel::dsl::update(#table::table::table()).set(update),
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conn,
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)
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.await
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.map_err(Into::into)
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})
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}
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}
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}
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}
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