Remove references to DispatchQueue.main.sync and assert that we’re on the main thread.

Frameworks/Account/Feedbin/FeedbinAccountDelegate.swift

@@ -592,8 +592,8 @@ private extension FeedbinAccountDelegate {
 	}
 	
 	func syncFolders(_ account: Account, _ tags: [FeedbinTag]?) {
-		
 		guard let tags = tags else { return }
+		assert(Thread.isMainThread)
 
 		os_log(.debug, log: log, "Syncing folders with %ld tags.", tags.count)
 
@@ -603,7 +603,6 @@ private extension FeedbinAccountDelegate {
 		if let folders = account.folders {
 			folders.forEach { folder in
 				if !tagNames.contains(folder.name ?? "") {
-					DispatchQueue.main.sync {
 					for feed in folder.topLevelFeeds {
 						account.addFeed(feed)
 						clearFolderRelationship(for: feed, withFolderName: folder.name ?? "")
@@ -612,7 +611,6 @@ private extension FeedbinAccountDelegate {
 				}
 			}
 		}
-		}
 		
 		let folderNames: [String] =  {
 			if let folders = account.folders {
@@ -625,11 +623,9 @@ private extension FeedbinAccountDelegate {
 		// Make any folders Feedbin has, but we don't
 		tagNames.forEach { tagName in
 			if !folderNames.contains(tagName) {
-				DispatchQueue.main.sync {
 				_ = account.ensureFolder(with: tagName)
 			}
 		}
-		}
 		
 	}
 	
@@ -681,6 +677,7 @@ private extension FeedbinAccountDelegate {
 	func syncFeeds(_ account: Account, _ subscriptions: [FeedbinSubscription]?) {
 		
 		guard let subscriptions = subscriptions else { return }
+		assert(Thread.isMainThread)
 
 		os_log(.debug, log: log, "Syncing feeds with %ld subscriptions.", subscriptions.count)
 		
@@ -691,28 +688,23 @@ private extension FeedbinAccountDelegate {
 			for folder in folders {
 				for feed in folder.topLevelFeeds {
 					if !subFeedIds.contains(feed.feedID) {
-						DispatchQueue.main.sync {
 						folder.removeFeed(feed)
 					}
 				}
 			}
 		}
-		}
 		
 		for feed in account.topLevelFeeds {
 			if !subFeedIds.contains(feed.feedID) {
-				DispatchQueue.main.sync {
 				account.removeFeed(feed)
 			}
 		}
-		}
 		
 		// Add any feeds we don't have and update any we do
 		subscriptions.forEach { subscription in
 			
 			let subFeedId = String(subscription.feedID)
 			
-			DispatchQueue.main.sync {
 			if let feed = account.idToFeedDictionary[subFeedId] {
 				feed.name = subscription.name
 				// If the name has been changed on the server remove the locally edited name
@@ -725,14 +717,12 @@ private extension FeedbinAccountDelegate {
 				account.addFeed(feed)
 			}
 		}
-			
-		}
-		
 	}
 
 	func syncTaggings(_ account: Account, _ taggings: [FeedbinTagging]?) {
 		
 		guard let taggings = taggings else { return }
+		assert(Thread.isMainThread)
 
 		os_log(.debug, log: log, "Syncing taggings with %ld taggings.", taggings.count)
 		
@@ -766,13 +756,11 @@ private extension FeedbinAccountDelegate {
 			// Move any feeds not in the folder to the account
 			for feed in folder.topLevelFeeds {
 				if !taggingFeedIDs.contains(feed.feedID) {
-					DispatchQueue.main.sync {
 					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 }
@@ -783,19 +771,16 @@ private extension FeedbinAccountDelegate {
 					guard let feed = account.idToFeedDictionary[taggingFeedID] else {
 						continue
 					}
-					DispatchQueue.main.sync {
 					saveFolderRelationship(for: feed, withFolderName: folderName, id: String(tagging.taggingID))
 					folder.addFeed(feed)
 				}
 			}
-			}
 			
 		}
 		
 		let taggedFeedIDs = Set(taggings.map { String($0.feedID) })
 		
 		// Remove all feeds from the account container that have a tag
-		DispatchQueue.main.sync {
 		for feed in account.topLevelFeeds {
 			if taggedFeedIDs.contains(feed.feedID) {
 				account.removeFeed(feed)
@@ -803,8 +788,6 @@ private extension FeedbinAccountDelegate {
 		}
 	}
 	
-	}
-	
 	func syncFavicons(_ account: Account, _ icons: [FeedbinIcon]?) {
 		
 		guard let icons = icons else { return }
@@ -821,7 +804,6 @@ private extension FeedbinAccountDelegate {
 				}
 			}
 		}
-
 	}