Move NewsBlur internal to NewsBlurAccountDelegate, so that each account type now has exactly one AccountDelegate file.

This commit is contained in:
Brent Simmons 2024-06-04 20:38:41 -07:00
parent ee8fa01d20
commit 3df22da7d9
2 changed files with 408 additions and 425 deletions

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@ -1,425 +0,0 @@
//
// NewsBlurAccountDelegate+Internal.swift
// Mostly adapted from FeedbinAccountDelegate.swift
// Account
//
// Created by Anh Quang Do on 2020-03-14.
// Copyright (c) 2020 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import Articles
import Database
import Parser
import Web
import SyncDatabase
import os.log
import Core
import NewsBlur
import CommonErrors
extension NewsBlurAccountDelegate {
func refreshFeeds(for account: Account) async throws {
os_log(.debug, log: log, "Refreshing feeds…")
let (feeds, folders) = try await caller.retrieveFeeds()
BatchUpdate.shared.perform {
self.syncFolders(account, folders)
self.syncFeeds(account, feeds)
self.syncFeedFolderRelationship(account, folders)
}
}
func syncFolders(_ account: Account, _ folders: [NewsBlurFolder]?) {
guard let folders else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing folders with %ld folders.", folders.count)
let folderNames = folders.map { $0.name }
// Delete any folders not at NewsBlur
if let folders = account.folders {
for folder in folders {
if !folderNames.contains(folder.name ?? "") {
for feed in folder.topLevelFeeds {
account.addFeed(feed)
clearFolderRelationship(for: feed, withFolderName: folder.name ?? "")
}
account.removeFolder(folder: folder)
}
}
}
let accountFolderNames: [String] = {
if let folders = account.folders {
return folders.map { $0.name ?? "" }
} else {
return [String]()
}
}()
// Make any folders NewsBlur has, but we don't
// Ignore account-level folder
for folderName in folderNames {
if !accountFolderNames.contains(folderName) && folderName != " " {
_ = account.ensureFolder(with: folderName)
}
}
}
func syncFeeds(_ account: Account, _ feeds: [NewsBlurFeed]?) {
guard let feeds else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing feeds with %ld feeds.", feeds.count)
let newsBlurFeedIDs = feeds.map { String($0.feedID) }
// Remove any feeds that are no longer in the subscriptions
if let folders = account.folders {
for folder in folders {
for feed in folder.topLevelFeeds {
if !newsBlurFeedIDs.contains(feed.feedID) {
folder.removeFeed(feed)
}
}
}
}
for feed in account.topLevelFeeds {
if !newsBlurFeedIDs.contains(feed.feedID) {
account.removeFeed(feed)
}
}
// Add any feeds we don't have and update any we do
var feedsToAdd = Set<NewsBlurFeed>()
feeds.forEach { feed in
let subFeedID = String(feed.feedID)
if let feed = account.existingFeed(withFeedID: subFeedID) {
feed.name = feed.name
// If the name has been changed on the server remove the locally edited name
feed.editedName = nil
feed.homePageURL = feed.homePageURL
feed.externalID = String(feed.feedID)
feed.faviconURL = feed.faviconURL
}
else {
feedsToAdd.insert(feed)
}
}
// Actually add feeds all in one go, so we dont trigger various rebuilding things that Account does.
for feed in feedsToAdd {
let feed = account.createFeed(with: feed.name, url: feed.feedURL, feedID: String(feed.feedID), homePageURL: feed.homePageURL)
feed.externalID = String(feed.feedID)
account.addFeed(feed)
}
}
func syncFeedFolderRelationship(_ account: Account, _ folders: [NewsBlurFolder]?) {
guard let folders else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing folders with %ld folders.", folders.count)
// Set up some structures to make syncing easier
let relationships = folders.map({ $0.asRelationships }).flatMap { $0 }
let folderDict = nameToFolderDictionary(with: account.folders)
let newsBlurFolderDict = relationships.reduce([String: [NewsBlurFolderRelationship]]()) { (dict, relationship) in
var feedInFolders = dict
if var feedInFolder = feedInFolders[relationship.folderName] {
feedInFolder.append(relationship)
feedInFolders[relationship.folderName] = feedInFolder
} else {
feedInFolders[relationship.folderName] = [relationship]
}
return feedInFolders
}
// Sync the folders
for (folderName, folderRelationships) in newsBlurFolderDict {
guard folderName != " " else {
continue
}
let newsBlurFolderFeedIDs = folderRelationships.map { String($0.feedID) }
guard let folder = folderDict[folderName] else { return }
// Move any feeds not in the folder to the account
for feed in folder.topLevelFeeds {
if !newsBlurFolderFeedIDs.contains(feed.feedID) {
folder.removeFeed(feed)
clearFolderRelationship(for: feed, withFolderName: folder.name ?? "")
account.addFeed(feed)
}
}
// Add any feeds not in the folder
let folderFeedIDs = folder.topLevelFeeds.map { $0.feedID }
for relationship in folderRelationships {
let folderFeedID = String(relationship.feedID)
if !folderFeedIDs.contains(folderFeedID) {
guard let feed = account.existingFeed(withFeedID: folderFeedID) else {
continue
}
saveFolderRelationship(for: feed, withFolderName: folderName, id: relationship.folderName)
folder.addFeed(feed)
}
}
}
// Handle the account level feeds. If there isn't the special folder, that means all the feeds are
// in folders and we need to remove them all from the account level.
if let folderRelationships = newsBlurFolderDict[" "] {
let newsBlurFolderFeedIDs = folderRelationships.map { String($0.feedID) }
for feed in account.topLevelFeeds {
if !newsBlurFolderFeedIDs.contains(feed.feedID) {
account.removeFeed(feed)
}
}
} else {
for feed in account.topLevelFeeds {
account.removeFeed(feed)
}
}
}
func clearFolderRelationship(for feed: Feed, withFolderName folderName: String) {
if var folderRelationship = feed.folderRelationship {
folderRelationship[folderName] = nil
feed.folderRelationship = folderRelationship
}
}
func saveFolderRelationship(for feed: Feed, withFolderName folderName: String, id: String) {
if var folderRelationship = feed.folderRelationship {
folderRelationship[folderName] = id
feed.folderRelationship = folderRelationship
} else {
feed.folderRelationship = [folderName: id]
}
}
func nameToFolderDictionary(with folders: Set<Folder>?) -> [String: Folder] {
guard let folders = folders else {
return [String: Folder]()
}
var d = [String: Folder]()
for folder in folders {
let name = folder.name ?? ""
if d[name] == nil {
d[name] = folder
}
}
return d
}
func refreshUnreadStories(for account: Account, hashes: [NewsBlurStoryHash]?, updateFetchDate: Date?) async throws {
guard let hashes, !hashes.isEmpty else {
if let lastArticleFetch = updateFetchDate {
self.accountMetadata?.lastArticleFetchStartTime = lastArticleFetch
self.accountMetadata?.lastArticleFetchEndTime = Date()
}
return
}
let numberOfStories = min(hashes.count, 100) // api limit
let hashesToFetch = Array(hashes[..<numberOfStories])
let (stories, date) = try await caller.retrieveStories(hashes: hashesToFetch)
try await processStories(account: account, stories: stories)
try await refreshUnreadStories(for: account, hashes: Array(hashes[numberOfStories...]), updateFetchDate: date)
os_log(.debug, log: self.log, "Done refreshing stories.")
}
func mapStoriesToParsedItems(stories: [NewsBlurStory]?) -> Set<ParsedItem> {
guard let stories = stories else { return Set<ParsedItem>() }
let parsedItems: [ParsedItem] = stories.map { story in
let author = Set([ParsedAuthor(name: story.authorName, url: nil, avatarURL: nil, emailAddress: nil)])
return ParsedItem(syncServiceID: story.storyID, uniqueID: String(story.storyID), feedURL: String(story.feedID), url: story.url, externalURL: nil, title: story.title, language: nil, contentHTML: story.contentHTML, contentText: nil, summary: nil, imageURL: story.imageURL, bannerImageURL: nil, datePublished: story.datePublished, dateModified: nil, authors: author, tags: Set(story.tags ?? []), attachments: nil)
}
return Set(parsedItems)
}
func sendStoryStatuses(_ statuses: Set<SyncStatus>, throttle: Bool, apiCall: (Set<String>) async throws -> Void) async throws {
guard !statuses.isEmpty else {
return
}
var errorOccurred = false
let storyHashes = statuses.compactMap { $0.articleID }
let storyHashGroups = storyHashes.chunked(into: throttle ? 1 : 5) // api limit
for storyHashGroup in storyHashGroups {
do {
try await apiCall(Set(storyHashGroup))
} catch {
errorOccurred = true
os_log(.error, log: self.log, "Story status sync call failed: %@.", error.localizedDescription)
try? await syncDatabase.resetSelectedForProcessing(Set(storyHashGroup))
}
}
if errorOccurred {
throw NewsBlurError.unknown
}
}
func syncStoryReadState(account: Account, hashes: Set<NewsBlurStoryHash>?) async {
guard let hashes else {
return
}
do {
let pendingArticleIDs = (try await syncDatabase.selectPendingReadStatusArticleIDs()) ?? Set<String>()
let newsBlurUnreadStoryHashes = Set(hashes.map { $0.hash } )
let updatableNewsBlurUnreadStoryHashes = newsBlurUnreadStoryHashes.subtracting(pendingArticleIDs)
guard let currentUnreadArticleIDs = try await account.fetchUnreadArticleIDs() else {
return
}
// Mark articles as unread
let deltaUnreadArticleIDs = updatableNewsBlurUnreadStoryHashes.subtracting(currentUnreadArticleIDs)
try? await account.markAsUnread(deltaUnreadArticleIDs)
// Mark articles as read
let deltaReadArticleIDs = currentUnreadArticleIDs.subtracting(updatableNewsBlurUnreadStoryHashes)
try? await account.markAsRead(deltaReadArticleIDs)
} catch {
os_log(.error, log: self.log, "Sync Story Read Status failed: %@.", error.localizedDescription)
}
}
func syncStoryStarredState(account: Account, hashes: Set<NewsBlurStoryHash>?) async {
guard let hashes else {
return
}
do {
let pendingArticleIDs = (try await syncDatabase.selectPendingStarredStatusArticleIDs()) ?? Set<String>()
let newsBlurStarredStoryHashes = Set(hashes.map { $0.hash } )
let updatableNewsBlurUnreadStoryHashes = newsBlurStarredStoryHashes.subtracting(pendingArticleIDs)
guard let currentStarredArticleIDs = try await account.fetchStarredArticleIDs() else {
return
}
// Mark articles as starred
let deltaStarredArticleIDs = updatableNewsBlurUnreadStoryHashes.subtracting(currentStarredArticleIDs)
try? await account.markAsStarred(deltaStarredArticleIDs)
// Mark articles as unstarred
let deltaUnstarredArticleIDs = currentStarredArticleIDs.subtracting(updatableNewsBlurUnreadStoryHashes)
try? await account.markAsUnstarred(deltaUnstarredArticleIDs)
} catch {
os_log(.error, log: self.log, "Sync Story Starred Status failed: %@.", error.localizedDescription)
}
}
func createFeed(account: Account, newsBlurFeed: NewsBlurFeed, name: String?, container: Container) async throws -> Feed {
let feed = account.createFeed(with: newsBlurFeed.name, url: newsBlurFeed.feedURL, feedID: String(newsBlurFeed.feedID), homePageURL: newsBlurFeed.homePageURL)
feed.externalID = String(newsBlurFeed.feedID)
feed.faviconURL = newsBlurFeed.faviconURL
try await account.addFeed(feed, to: container)
if let name {
try await renameFeed(for: account, with: feed, to: name)
}
try await initialFeedDownload(account: account, feed: feed)
return feed
}
func downloadFeed(account: Account, feed: Feed, page: Int) async throws {
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
let (stories, _) = try await caller.retrieveStories(feedID: feed.feedID, page: page)
refreshProgress.completeTask()
guard let stories, stories.count > 0 else {
return
}
let since: Date? = Calendar.current.date(byAdding: .month, value: -3, to: Date())
let hasStories = try await processStories(account: account, stories: stories, since: since)
if hasStories {
try await downloadFeed(account: account, feed: feed, page: page + 1)
}
}
func initialFeedDownload(account: Account, feed: Feed) async throws {
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
// Download the initial articles
try await downloadFeed(account: account, feed: feed, page: 1)
try await refreshArticleStatus(for: account)
try await refreshMissingStories(for: account)
}
func deleteFeed(for account: Account, with feed: Feed, from container: Container?) async throws {
// This error should never happen
guard let feedID = feed.externalID else {
throw NewsBlurError.invalidParameter
}
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
let folderName = (container as? Folder)?.name
do {
try await caller.deleteFeed(feedID: feedID, folder: folderName)
if folderName == nil {
account.removeFeed(feed)
}
if let folders = account.folders {
for folder in folders where folderName != nil && folder.name == folderName {
folder.removeFeed(feed)
}
}
if account.existingFeed(withFeedID: feed.feedID) != nil {
account.clearFeedMetadata(feed)
}
} catch {
throw AccountError.wrappedError(error: error, account: account)
}
}
}

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@ -8,6 +8,7 @@
import Foundation import Foundation
import Articles import Articles
import Core
import Database import Database
import Parser import Parser
import Web import Web
@ -460,3 +461,410 @@ final class NewsBlurAccountDelegate: AccountDelegate {
} }
} }
} }
extension NewsBlurAccountDelegate {
func refreshFeeds(for account: Account) async throws {
os_log(.debug, log: log, "Refreshing feeds…")
let (feeds, folders) = try await caller.retrieveFeeds()
BatchUpdate.shared.perform {
self.syncFolders(account, folders)
self.syncFeeds(account, feeds)
self.syncFeedFolderRelationship(account, folders)
}
}
func syncFolders(_ account: Account, _ folders: [NewsBlurFolder]?) {
guard let folders else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing folders with %ld folders.", folders.count)
let folderNames = folders.map { $0.name }
// Delete any folders not at NewsBlur
if let folders = account.folders {
for folder in folders {
if !folderNames.contains(folder.name ?? "") {
for feed in folder.topLevelFeeds {
account.addFeed(feed)
clearFolderRelationship(for: feed, withFolderName: folder.name ?? "")
}
account.removeFolder(folder: folder)
}
}
}
let accountFolderNames: [String] = {
if let folders = account.folders {
return folders.map { $0.name ?? "" }
} else {
return [String]()
}
}()
// Make any folders NewsBlur has, but we don't
// Ignore account-level folder
for folderName in folderNames {
if !accountFolderNames.contains(folderName) && folderName != " " {
_ = account.ensureFolder(with: folderName)
}
}
}
func syncFeeds(_ account: Account, _ feeds: [NewsBlurFeed]?) {
guard let feeds else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing feeds with %ld feeds.", feeds.count)
let newsBlurFeedIDs = feeds.map { String($0.feedID) }
// Remove any feeds that are no longer in the subscriptions
if let folders = account.folders {
for folder in folders {
for feed in folder.topLevelFeeds {
if !newsBlurFeedIDs.contains(feed.feedID) {
folder.removeFeed(feed)
}
}
}
}
for feed in account.topLevelFeeds {
if !newsBlurFeedIDs.contains(feed.feedID) {
account.removeFeed(feed)
}
}
// Add any feeds we don't have and update any we do
var feedsToAdd = Set<NewsBlurFeed>()
feeds.forEach { feed in
let subFeedID = String(feed.feedID)
if let feed = account.existingFeed(withFeedID: subFeedID) {
feed.name = feed.name
// If the name has been changed on the server remove the locally edited name
feed.editedName = nil
feed.homePageURL = feed.homePageURL
feed.externalID = String(feed.feedID)
feed.faviconURL = feed.faviconURL
}
else {
feedsToAdd.insert(feed)
}
}
// Actually add feeds all in one go, so we dont trigger various rebuilding things that Account does.
for feed in feedsToAdd {
let feed = account.createFeed(with: feed.name, url: feed.feedURL, feedID: String(feed.feedID), homePageURL: feed.homePageURL)
feed.externalID = String(feed.feedID)
account.addFeed(feed)
}
}
func syncFeedFolderRelationship(_ account: Account, _ folders: [NewsBlurFolder]?) {
guard let folders else { return }
assert(Thread.isMainThread)
os_log(.debug, log: log, "Syncing folders with %ld folders.", folders.count)
// Set up some structures to make syncing easier
let relationships = folders.map({ $0.asRelationships }).flatMap { $0 }
let folderDict = nameToFolderDictionary(with: account.folders)
let newsBlurFolderDict = relationships.reduce([String: [NewsBlurFolderRelationship]]()) { (dict, relationship) in
var feedInFolders = dict
if var feedInFolder = feedInFolders[relationship.folderName] {
feedInFolder.append(relationship)
feedInFolders[relationship.folderName] = feedInFolder
} else {
feedInFolders[relationship.folderName] = [relationship]
}
return feedInFolders
}
// Sync the folders
for (folderName, folderRelationships) in newsBlurFolderDict {
guard folderName != " " else {
continue
}
let newsBlurFolderFeedIDs = folderRelationships.map { String($0.feedID) }
guard let folder = folderDict[folderName] else { return }
// Move any feeds not in the folder to the account
for feed in folder.topLevelFeeds {
if !newsBlurFolderFeedIDs.contains(feed.feedID) {
folder.removeFeed(feed)
clearFolderRelationship(for: feed, withFolderName: folder.name ?? "")
account.addFeed(feed)
}
}
// Add any feeds not in the folder
let folderFeedIDs = folder.topLevelFeeds.map { $0.feedID }
for relationship in folderRelationships {
let folderFeedID = String(relationship.feedID)
if !folderFeedIDs.contains(folderFeedID) {
guard let feed = account.existingFeed(withFeedID: folderFeedID) else {
continue
}
saveFolderRelationship(for: feed, withFolderName: folderName, id: relationship.folderName)
folder.addFeed(feed)
}
}
}
// Handle the account level feeds. If there isn't the special folder, that means all the feeds are
// in folders and we need to remove them all from the account level.
if let folderRelationships = newsBlurFolderDict[" "] {
let newsBlurFolderFeedIDs = folderRelationships.map { String($0.feedID) }
for feed in account.topLevelFeeds {
if !newsBlurFolderFeedIDs.contains(feed.feedID) {
account.removeFeed(feed)
}
}
} else {
for feed in account.topLevelFeeds {
account.removeFeed(feed)
}
}
}
func clearFolderRelationship(for feed: Feed, withFolderName folderName: String) {
if var folderRelationship = feed.folderRelationship {
folderRelationship[folderName] = nil
feed.folderRelationship = folderRelationship
}
}
func saveFolderRelationship(for feed: Feed, withFolderName folderName: String, id: String) {
if var folderRelationship = feed.folderRelationship {
folderRelationship[folderName] = id
feed.folderRelationship = folderRelationship
} else {
feed.folderRelationship = [folderName: id]
}
}
func nameToFolderDictionary(with folders: Set<Folder>?) -> [String: Folder] {
guard let folders = folders else {
return [String: Folder]()
}
var d = [String: Folder]()
for folder in folders {
let name = folder.name ?? ""
if d[name] == nil {
d[name] = folder
}
}
return d
}
func refreshUnreadStories(for account: Account, hashes: [NewsBlurStoryHash]?, updateFetchDate: Date?) async throws {
guard let hashes, !hashes.isEmpty else {
if let lastArticleFetch = updateFetchDate {
self.accountMetadata?.lastArticleFetchStartTime = lastArticleFetch
self.accountMetadata?.lastArticleFetchEndTime = Date()
}
return
}
let numberOfStories = min(hashes.count, 100) // api limit
let hashesToFetch = Array(hashes[..<numberOfStories])
let (stories, date) = try await caller.retrieveStories(hashes: hashesToFetch)
try await processStories(account: account, stories: stories)
try await refreshUnreadStories(for: account, hashes: Array(hashes[numberOfStories...]), updateFetchDate: date)
os_log(.debug, log: self.log, "Done refreshing stories.")
}
func mapStoriesToParsedItems(stories: [NewsBlurStory]?) -> Set<ParsedItem> {
guard let stories = stories else { return Set<ParsedItem>() }
let parsedItems: [ParsedItem] = stories.map { story in
let author = Set([ParsedAuthor(name: story.authorName, url: nil, avatarURL: nil, emailAddress: nil)])
return ParsedItem(syncServiceID: story.storyID, uniqueID: String(story.storyID), feedURL: String(story.feedID), url: story.url, externalURL: nil, title: story.title, language: nil, contentHTML: story.contentHTML, contentText: nil, summary: nil, imageURL: story.imageURL, bannerImageURL: nil, datePublished: story.datePublished, dateModified: nil, authors: author, tags: Set(story.tags ?? []), attachments: nil)
}
return Set(parsedItems)
}
func sendStoryStatuses(_ statuses: Set<SyncStatus>, throttle: Bool, apiCall: (Set<String>) async throws -> Void) async throws {
guard !statuses.isEmpty else {
return
}
var errorOccurred = false
let storyHashes = statuses.compactMap { $0.articleID }
let storyHashGroups = storyHashes.chunked(into: throttle ? 1 : 5) // api limit
for storyHashGroup in storyHashGroups {
do {
try await apiCall(Set(storyHashGroup))
} catch {
errorOccurred = true
os_log(.error, log: self.log, "Story status sync call failed: %@.", error.localizedDescription)
try? await syncDatabase.resetSelectedForProcessing(Set(storyHashGroup))
}
}
if errorOccurred {
throw NewsBlurError.unknown
}
}
func syncStoryReadState(account: Account, hashes: Set<NewsBlurStoryHash>?) async {
guard let hashes else {
return
}
do {
let pendingArticleIDs = (try await syncDatabase.selectPendingReadStatusArticleIDs()) ?? Set<String>()
let newsBlurUnreadStoryHashes = Set(hashes.map { $0.hash } )
let updatableNewsBlurUnreadStoryHashes = newsBlurUnreadStoryHashes.subtracting(pendingArticleIDs)
guard let currentUnreadArticleIDs = try await account.fetchUnreadArticleIDs() else {
return
}
// Mark articles as unread
let deltaUnreadArticleIDs = updatableNewsBlurUnreadStoryHashes.subtracting(currentUnreadArticleIDs)
try? await account.markAsUnread(deltaUnreadArticleIDs)
// Mark articles as read
let deltaReadArticleIDs = currentUnreadArticleIDs.subtracting(updatableNewsBlurUnreadStoryHashes)
try? await account.markAsRead(deltaReadArticleIDs)
} catch {
os_log(.error, log: self.log, "Sync Story Read Status failed: %@.", error.localizedDescription)
}
}
func syncStoryStarredState(account: Account, hashes: Set<NewsBlurStoryHash>?) async {
guard let hashes else {
return
}
do {
let pendingArticleIDs = (try await syncDatabase.selectPendingStarredStatusArticleIDs()) ?? Set<String>()
let newsBlurStarredStoryHashes = Set(hashes.map { $0.hash } )
let updatableNewsBlurUnreadStoryHashes = newsBlurStarredStoryHashes.subtracting(pendingArticleIDs)
guard let currentStarredArticleIDs = try await account.fetchStarredArticleIDs() else {
return
}
// Mark articles as starred
let deltaStarredArticleIDs = updatableNewsBlurUnreadStoryHashes.subtracting(currentStarredArticleIDs)
try? await account.markAsStarred(deltaStarredArticleIDs)
// Mark articles as unstarred
let deltaUnstarredArticleIDs = currentStarredArticleIDs.subtracting(updatableNewsBlurUnreadStoryHashes)
try? await account.markAsUnstarred(deltaUnstarredArticleIDs)
} catch {
os_log(.error, log: self.log, "Sync Story Starred Status failed: %@.", error.localizedDescription)
}
}
func createFeed(account: Account, newsBlurFeed: NewsBlurFeed, name: String?, container: Container) async throws -> Feed {
let feed = account.createFeed(with: newsBlurFeed.name, url: newsBlurFeed.feedURL, feedID: String(newsBlurFeed.feedID), homePageURL: newsBlurFeed.homePageURL)
feed.externalID = String(newsBlurFeed.feedID)
feed.faviconURL = newsBlurFeed.faviconURL
try await account.addFeed(feed, to: container)
if let name {
try await renameFeed(for: account, with: feed, to: name)
}
try await initialFeedDownload(account: account, feed: feed)
return feed
}
func downloadFeed(account: Account, feed: Feed, page: Int) async throws {
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
let (stories, _) = try await caller.retrieveStories(feedID: feed.feedID, page: page)
refreshProgress.completeTask()
guard let stories, stories.count > 0 else {
return
}
let since: Date? = Calendar.current.date(byAdding: .month, value: -3, to: Date())
let hasStories = try await processStories(account: account, stories: stories, since: since)
if hasStories {
try await downloadFeed(account: account, feed: feed, page: page + 1)
}
}
func initialFeedDownload(account: Account, feed: Feed) async throws {
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
// Download the initial articles
try await downloadFeed(account: account, feed: feed, page: 1)
try await refreshArticleStatus(for: account)
try await refreshMissingStories(for: account)
}
func deleteFeed(for account: Account, with feed: Feed, from container: Container?) async throws {
// This error should never happen
guard let feedID = feed.externalID else {
throw NewsBlurError.invalidParameter
}
refreshProgress.addTask()
defer {
refreshProgress.completeTask()
}
let folderName = (container as? Folder)?.name
do {
try await caller.deleteFeed(feedID: feedID, folder: folderName)
if folderName == nil {
account.removeFeed(feed)
}
if let folders = account.folders {
for folder in folders where folderName != nil && folder.name == folderName {
folder.removeFeed(feed)
}
}
if account.existingFeed(withFeedID: feed.feedID) != nil {
account.clearFeedMetadata(feed)
}
} catch {
throw AccountError.wrappedError(error: error, account: account)
}
}
}