NetNewsWire/Frameworks/Account/Feedly/Refresh/FeedlyRequestStreamsOperati...

51 lines
1.7 KiB
Swift

//
// FeedlyRequestStreamsOperation.swift
// Account
//
// Created by Kiel Gillard on 20/9/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import os.log
protocol FeedlyRequestStreamsOperationDelegate: class {
func feedlyRequestStreamsOperation(_ operation: FeedlyRequestStreamsOperation, enqueue collectionStreamOperation: FeedlyGetCollectionStreamOperation)
}
/// Single responsibility is to create one stream request operation for one Feedly collection.
/// This is the start of the process of refreshing the entire contents of a Folder.
final class FeedlyRequestStreamsOperation: FeedlyOperation {
weak var queueDelegate: FeedlyRequestStreamsOperationDelegate?
let collectionsProvider: FeedlyCollectionProviding
let caller: FeedlyAPICaller
let account: Account
let log: OSLog
init(account: Account, collectionsProvider: FeedlyCollectionProviding, caller: FeedlyAPICaller, log: OSLog) {
self.account = account
self.caller = caller
self.collectionsProvider = collectionsProvider
self.log = log
}
override func main() {
defer { didFinish() }
guard !isCancelled else { return }
assert(queueDelegate != nil, "This is not particularly useful unless the `queueDelegate` is non-nil.")
// TODO: Prioritise the must read collection/category before others so the most important content for the user loads first.
for collection in collectionsProvider.collections {
let operation = FeedlyGetCollectionStreamOperation(account: account, collection: collection, caller: caller)
queueDelegate?.feedlyRequestStreamsOperation(self, enqueue: operation)
}
os_log(.debug, log: log, "Requested %i collection streams", collectionsProvider.collections.count)
}
}