1caad24364
Closes: https://github.com/damus-io/damus/issues/3222 Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
40 lines
1.5 KiB
Swift
40 lines
1.5 KiB
Swift
//
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// Ndb+.swift
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// damus
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//
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// Created by Daniel D’Aquino on 2025-04-04.
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//
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/// ## Implementation notes
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///
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/// 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.
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import Foundation
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extension Ndb {
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/// Subscribe to events matching the provided NostrFilters
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/// - Parameters:
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/// - filters: Array of NostrFilter objects
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/// - maxSimultaneousResults: Maximum number of initial results to return
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/// - Returns: AsyncStream of StreamItem events
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/// - Throws: NdbStreamError if subscription fails
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func subscribe(filters: [NostrFilter], maxSimultaneousResults: Int = 1000) throws(NdbStreamError) -> AsyncStream<StreamItem> {
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let ndbFilters: [NdbFilter]
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do {
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ndbFilters = try filters.toNdbFilters()
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} catch {
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throw .cannotConvertFilter(error)
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}
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return try self.subscribe(filters: ndbFilters, maxSimultaneousResults: maxSimultaneousResults)
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}
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/// Determines if a given note was seen on any of the listed relay URLs
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func was(noteKey: NoteKey, seenOnAnyOf relayUrls: [RelayURL], txn: SafeNdbTxn<()>? = nil) throws -> Bool {
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return try self.was(noteKey: noteKey, seenOnAnyOf: relayUrls.map({ $0.absoluteString }), txn: txn)
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}
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func process_event(_ str: String, originRelayURL: RelayURL? = nil) -> Bool {
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self.process_event(str, originRelayURL: originRelayURL?.absoluteString)
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}
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}
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