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Attempt separate CrudBounds

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dull b 2023-07-26 03:18:55 +00:00
parent 47e8071b68
commit 1b4ca321c3
1 changed files with 57 additions and 16 deletions
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73
crates/db_schema/src/traits.rs
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@ -28,10 +28,62 @@ use std::{hash::Hash, pin::Pin};
/// Returned by `diesel::delete`
pub type Delete<T> = DeleteStatement<<T as HasTable>::Table, <T as IntoUpdateTarget>::WhereClause>;
pub type Find<'a, T> = dsl::Find<<T as HasTable>::Table, <T as Crud<'a>>::IdType>;
pub type Find<T, IdType> = dsl::Find<<T as HasTable>::Table, IdType>;
pub type InsertValues<'a, 'b, T> =
<&'a <T as Crud<'b>>::InsertForm as Insertable<<T as HasTable>::Table>>::Values;
pub type InsertValues<'a, T, InsertForm> =
<&'a InsertForm as Insertable<<T as HasTable>::Table>>::Values;
pub trait CrudBounds<'a, InsertForm, UpdateForm, IdType>
where
Self: HasTable + Sized,
Self::Table: FindDsl<IdType> + 'static,
Find<Self, IdType>: LimitDsl + Send + IntoUpdateTarget + 'static,
dsl::Limit<Find<Self, IdType>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
Delete<Find<Self, IdType>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
<Find<Self, IdType> as IntoUpdateTarget>::WhereClause: 'static + Send,
<Find<Self, IdType> as HasTable>::Table: 'static + Send,
&'a InsertForm: Insertable<Self::Table>,
InsertValues<'a, Self, InsertForm>: 'a,
InsertStatement<Self::Table, InsertValues<'a, Self, InsertForm>>:
LoadQuery<'a, AsyncPgConnection, Self> + 'a + Send,
InsertForm: 'static + Send + Sync,
UpdateForm: 'static + Send + Sync,
IdType: 'static
+ Hash
+ Eq
+ Sized
+ Send
+ AsExpression<<<Self::Table as Table>::PrimaryKey as Expression>::SqlType>,
{
}
impl<'a, InsertForm, UpdateForm, IdType, T> CrudBounds<'a, InsertForm, UpdateForm, IdType> for T
where
Self: HasTable + Sized,
Self::Table: FindDsl<IdType> + 'static,
Find<Self, IdType>: LimitDsl + Send + IntoUpdateTarget + 'static,
dsl::Limit<Find<Self, IdType>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
Delete<Find<Self, IdType>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
<Find<Self, IdType> as IntoUpdateTarget>::WhereClause: 'static + Send,
<Find<Self, IdType> as HasTable>::Table: 'static + Send,
&'a InsertForm: Insertable<Self::Table>,
InsertValues<'a, Self, InsertForm>: 'a,
InsertStatement<Self::Table, InsertValues<'a, Self, InsertForm>>:
LoadQuery<'a, AsyncPgConnection, Self> + 'a + Send,
InsertForm: 'static + Send + Sync,
UpdateForm: 'static + Send + Sync,
IdType: 'static
+ Hash
+ Eq
+ Sized
+ Send
+ AsExpression<<<Self::Table as Table>::PrimaryKey as Expression>::SqlType>,
{
}
// When using `RunQueryDsl::execute`, directly building futures with `Box::pin` and `TryFutureExt::and_then`
// instead of `async` + `await` fixes weird compile errors.
@ -41,19 +93,8 @@ pub type InsertValues<'a, 'b, T> =
#[async_trait]
pub trait Crud<'a>
where
Self: HasTable + Sized,
for<'b> Self::Table: FindDsl<<Self as Crud<'b>>::IdType> + 'static,
for<'b> Find<'b, Self>: LimitDsl + Send + IntoUpdateTarget + 'static,
for<'b> dsl::Limit<Find<'b, Self>>: Send + LoadQuery<'static, AsyncPgConnection, Self> + 'static,
<Self::Table as Table>::PrimaryKey: ExpressionMethods + Send,
<<Self::Table as Table>::PrimaryKey as Expression>::SqlType: SqlType + TypedExpressionType,
for<'b> Delete<Find<'b, Self>>: ExecuteDsl<AsyncPgConnection> + Send + 'static,
for<'b> <Find<'b, Self> as IntoUpdateTarget>::WhereClause: 'static + Send,
for<'b> <Find<'b, Self> as HasTable>::Table: 'static + Send,
for<'b> &'a <Self as Crud<'b>>::InsertForm: Insertable<Self::Table>,
for<'b> InsertValues<'a, 'b, Self>: 'a,
for<'b, 'query> InsertStatement<Self::Table, InsertValues<'query, 'b, Self>>:
LoadQuery<'query, AsyncPgConnection, Self> + 'query + Send,
for<'b> Self: CrudBounds<'b, Self::InsertForm, Self::UpdateForm, Self::IdType>,
Self: Sized,
{
type InsertForm: 'static + Send + Sync;
type UpdateForm: 'static + Send + Sync;