konobangu/apps/recorder/src/graphql/infra/custom.rs

77 lines
2.3 KiB
Rust

use std::{pin::Pin, sync::Arc};
use async_graphql::dynamic::{
Field, FieldFuture, FieldValue, InputValue, ResolverContext, TypeRef, ValueAccessor,
};
use sea_orm::EntityTrait;
use seaography::{BuilderContext, EntityObjectBuilder, FilterInputBuilder, GuardAction};
use crate::{app::AppContextTrait, errors::RecorderResult};
pub type FilterMutationFn = Arc<
dyn for<'a> Fn(
&ResolverContext<'a>,
Arc<dyn AppContextTrait>,
Option<ValueAccessor<'_>>,
) -> Pin<
Box<dyn Future<Output = RecorderResult<Option<FieldValue<'a>>>> + Send + 'a>,
> + Send
+ Sync,
>;
pub fn generate_entity_filter_mutation_field<T, N, R>(
builder_context: &'static BuilderContext,
field_name: N,
type_ref: R,
mutation_fn: FilterMutationFn,
) -> Field
where
T: EntityTrait,
<T as EntityTrait>::Model: Sync,
N: Into<String>,
R: Into<TypeRef>,
{
let entity_filter_input_builder = FilterInputBuilder {
context: builder_context,
};
let entity_object_builder = EntityObjectBuilder {
context: builder_context,
};
let object_name: String = entity_object_builder.type_name::<T>();
let context = builder_context;
let guard = builder_context.guards.entity_guards.get(&object_name);
Field::new(field_name, type_ref, move |ctx| {
let mutation_fn = mutation_fn.clone();
FieldFuture::new(async move {
let guard_flag = if let Some(guard) = guard {
(*guard)(&ctx)
} else {
GuardAction::Allow
};
if let GuardAction::Block(reason) = guard_flag {
return Err::<Option<_>, async_graphql::Error>(async_graphql::Error::new(
reason.unwrap_or("Entity guard triggered.".into()),
));
}
let app_ctx = ctx.data::<Arc<dyn AppContextTrait>>()?;
let filters = ctx.args.get(&context.entity_delete_mutation.filter_field);
let result = mutation_fn(&ctx, app_ctx.clone(), filters)
.await
.map_err(async_graphql::Error::new_with_source)?;
Ok(result)
})
})
.argument(InputValue::new(
&context.entity_delete_mutation.filter_field,
TypeRef::named(entity_filter_input_builder.type_name(&object_name)),
))
}