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Add a no-op code handle for subscription creation when the crate is compiled without the mint feature
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//! On Subscription | ||
//! | ||
//! This module contains the code that is triggered when a new subscription is created. | ||
use super::{Kind, NotificationPayload}; | ||
use crate::{ | ||
cdk_database::{self, MintDatabase}, | ||
nuts::{MeltQuoteBolt11Response, MintQuoteBolt11Response, ProofState, PublicKey}, | ||
pub_sub::OnNewSubscription, | ||
}; | ||
use std::{collections::HashMap, sync::Arc}; | ||
|
||
#[derive(Default)] | ||
/// Subscription Init | ||
/// | ||
/// This struct triggers code when a new subscription is created. | ||
/// | ||
/// It is used to send the initial state of the subscription to the client. | ||
pub struct OnSubscription( | ||
pub(crate) Option<Arc<dyn MintDatabase<Err = cdk_database::Error> + Send + Sync>>, | ||
); | ||
|
||
#[async_trait::async_trait] | ||
impl OnNewSubscription for OnSubscription { | ||
type Event = NotificationPayload; | ||
type Index = (String, Kind); | ||
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||
async fn on_new_subscription( | ||
&self, | ||
request: &[&Self::Index], | ||
) -> Result<Vec<Self::Event>, String> { | ||
let datastore = if let Some(localstore) = self.0.as_ref() { | ||
localstore | ||
} else { | ||
return Ok(vec![]); | ||
}; | ||
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let mut to_return = vec![]; | ||
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for (kind, values) in request.iter().fold( | ||
HashMap::new(), | ||
|mut acc: HashMap<&Kind, Vec<&String>>, (data, kind)| { | ||
acc.entry(kind).or_default().push(data); | ||
acc | ||
}, | ||
) { | ||
match kind { | ||
Kind::Bolt11MeltQuote => { | ||
let queries = values | ||
.iter() | ||
.map(|id| datastore.get_melt_quote(id)) | ||
.collect::<Vec<_>>(); | ||
|
||
to_return.extend( | ||
futures::future::try_join_all(queries) | ||
.await | ||
.map(|quotes| { | ||
quotes | ||
.into_iter() | ||
.filter_map(|quote| quote.map(|x| x.into())) | ||
.map(|x: MeltQuoteBolt11Response| x.into()) | ||
.collect::<Vec<_>>() | ||
}) | ||
.map_err(|e| e.to_string())?, | ||
); | ||
} | ||
Kind::Bolt11MintQuote => { | ||
let queries = values | ||
.iter() | ||
.map(|id| datastore.get_mint_quote(id)) | ||
.collect::<Vec<_>>(); | ||
|
||
to_return.extend( | ||
futures::future::try_join_all(queries) | ||
.await | ||
.map(|quotes| { | ||
quotes | ||
.into_iter() | ||
.filter_map(|quote| quote.map(|x| x.into())) | ||
.map(|x: MintQuoteBolt11Response| x.into()) | ||
.collect::<Vec<_>>() | ||
}) | ||
.map_err(|e| e.to_string())?, | ||
); | ||
} | ||
Kind::ProofState => { | ||
let public_keys = values | ||
.iter() | ||
.map(PublicKey::from_hex) | ||
.collect::<Result<Vec<PublicKey>, _>>() | ||
.map_err(|e| e.to_string())?; | ||
|
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to_return.extend( | ||
datastore | ||
.get_proofs_states(&public_keys) | ||
.await | ||
.map_err(|e| e.to_string())? | ||
.into_iter() | ||
.enumerate() | ||
.filter_map(|(idx, state)| { | ||
state.map(|state| (public_keys[idx], state).into()) | ||
}) | ||
.map(|state: ProofState| state.into()), | ||
); | ||
} | ||
} | ||
} | ||
|
||
Ok(to_return) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,28 @@ | ||
//! On Subscription - No | ||
//! | ||
//! This module contains the code that is triggered when a new subscription is | ||
//! created, which is a no-op, since the crate is not compiled with the `mint` | ||
//! feature, therefore there is no local store to query. | ||
use super::{Kind, NotificationPayload}; | ||
use crate::pub_sub::OnNewSubscription; | ||
|
||
#[derive(Default)] | ||
/// Subscription Init | ||
/// | ||
/// This struct triggers code when a new subscription is created. | ||
/// | ||
/// It is used to send the initial state of the subscription to the client. | ||
pub struct OnSubscription; | ||
|
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#[async_trait::async_trait] | ||
impl OnNewSubscription for OnSubscription { | ||
type Event = NotificationPayload; | ||
type Index = (String, Kind); | ||
|
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async fn on_new_subscription( | ||
&self, | ||
_request: &[&Self::Index], | ||
) -> Result<Vec<Self::Event>, String> { | ||
Ok(vec![]) | ||
} | ||
} |