NetNewsWire/Frameworks/Account/Feedly/Operations/FeedlyGetEntriesOperation.s...

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//
// FeedlyGetEntriesOperation.swift
// Account
//
// Created by Kiel Gillard on 28/10/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import os.log
import RSParser
/// Get full entries for the entry identifiers.
final class FeedlyGetEntriesOperation: FeedlyOperation, FeedlyEntryProviding, FeedlyParsedItemProviding {
let account: Account
let service: FeedlyGetEntriesService
let provider: FeedlyEntryIdentifierProviding
let log: OSLog
init(account: Account, service: FeedlyGetEntriesService, provider: FeedlyEntryIdentifierProviding, log: OSLog) {
self.account = account
self.service = service
self.provider = provider
self.log = log
}
private (set) var entries = [FeedlyEntry]()
private var storedParsedEntries: Set<ParsedItem>?
var parsedEntries: Set<ParsedItem> {
if let entries = storedParsedEntries {
return entries
}
let parsed = Set(entries.compactMap {
FeedlyEntryParser(entry: $0).parsedItemRepresentation
})
// TODO: Fix the below. Theres an error on the os.log line: "Expression type '()' is ambiguous without more context"
// if parsed.count != entries.count {
// let entryIds = Set(entries.map { $0.id })
// let parsedIds = Set(parsed.map { $0.uniqueID })
// let difference = entryIds.subtracting(parsedIds)
// os_log(.debug, log: log, "%{public}@ dropping articles with ids: %{public}@.", self, difference)
// }
storedParsedEntries = parsed
return parsed
}
var parsedItemProviderName: String {
return name ?? String(describing: Self.self)
}
override func run() {
service.getEntries(for: provider.entryIds) { result in
switch result {
case .success(let entries):
self.entries = entries
self.didFinish()
case .failure(let error):
os_log(.debug, log: self.log, "Unable to get entries: %{public}@.", error as NSError)
self.didFinish(with: error)
}
}
}
}