8f32c81b6c
This commit introduces new interfaces for working with NostrDB from Swift, including `NostrFilter` conversion, subscription streaming via AsyncStreams and lookup/wait functions. No user-facing changes. Changelog-None Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
31 lines
1.0 KiB
Swift
31 lines
1.0 KiB
Swift
//
|
||
// Ndb+.swift
|
||
// damus
|
||
//
|
||
// Created by Daniel D’Aquino on 2025-04-04.
|
||
//
|
||
|
||
/// ## Implementation notes
|
||
///
|
||
/// 1. This was created as a separate file because it contains dependencies to damus-specific structures such as `NostrFilter`, which is not yet available inside the NostrDB codebase.
|
||
|
||
import Foundation
|
||
|
||
extension Ndb {
|
||
/// Subscribe to events matching the provided NostrFilters
|
||
/// - Parameters:
|
||
/// - filters: Array of NostrFilter objects
|
||
/// - maxSimultaneousResults: Maximum number of initial results to return
|
||
/// - Returns: AsyncStream of StreamItem events
|
||
/// - Throws: NdbStreamError if subscription fails
|
||
func subscribe(filters: [NostrFilter], maxSimultaneousResults: Int = 1000) throws(NdbStreamError) -> AsyncStream<StreamItem> {
|
||
let ndbFilters: [NdbFilter]
|
||
do {
|
||
ndbFilters = try filters.toNdbFilters()
|
||
} catch {
|
||
throw .cannotConvertFilter(error)
|
||
}
|
||
return try self.subscribe(filters: ndbFilters, maxSimultaneousResults: maxSimultaneousResults)
|
||
}
|
||
}
|