NetNewsWire/Frameworks/Account/Feedly/Operations/FeedlyGetStreamIdsOperation...

66 lines
1.8 KiB
Swift

//
// FeedlyGetStreamIdsOperation.swift
// Account
//
// Created by Kiel Gillard on 18/10/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import os.log
protocol FeedlyGetStreamIdsOperationDelegate: class {
func feedlyGetStreamIdsOperation(_ operation: FeedlyGetStreamIdsOperation, didGet streamIds: FeedlyStreamIds)
}
/// Single responsibility is to get the stream ids from Feedly.
final class FeedlyGetStreamIdsOperation: FeedlyOperation, FeedlyEntryIdentifierProviding {
var entryIds: Set<String> {
guard let ids = streamIds?.ids else {
assertionFailure("Has this operation been addeded as a dependency on the caller?")
return []
}
return Set(ids)
}
private(set) var streamIds: FeedlyStreamIds?
let account: Account
let service: FeedlyGetStreamIdsService
let continuation: String?
let resource: FeedlyResourceId
let unreadOnly: Bool?
let newerThan: Date?
let log: OSLog
init(account: Account, resource: FeedlyResourceId, service: FeedlyGetStreamIdsService, continuation: String? = nil, newerThan: Date? = nil, unreadOnly: Bool?, log: OSLog) {
self.account = account
self.resource = resource
self.service = service
self.continuation = continuation
self.newerThan = newerThan
self.unreadOnly = unreadOnly
self.log = log
}
weak var streamIdsDelegate: FeedlyGetStreamIdsOperationDelegate?
override func run() {
service.getStreamIds(for: resource, continuation: continuation, newerThan: newerThan, unreadOnly: unreadOnly) { result in
switch result {
case .success(let stream):
self.streamIds = stream
self.streamIdsDelegate?.feedlyGetStreamIdsOperation(self, didGet: stream)
self.didFinish()
case .failure(let error):
os_log(.debug, log: self.log, "Unable to get stream ids: %{public}@.", error as NSError)
self.didFinish(with: error)
}
}
}
}