Modify AccountSettings so that it works like FeedMetadata and can be leveraged by the AccountDelegates

Frameworks/Account/Account.swift

@@ -63,7 +63,6 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 			let currentNameForDisplay = nameForDisplay
 			if newValue != settings.name {
 				settings.name = newValue
-				settingsDirty = true
 				if currentNameForDisplay != nameForDisplay {
 					postDisplayNameDidChangeNotification()
 				}
@@ -79,7 +78,6 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 		set {
 			if newValue != settings.isActive {
 				settings.isActive = newValue
-				settingsDirty = true
 				NotificationCenter.default.post(name: .AccountStateDidChange, object: self, userInfo: nil)
 			}
 		}
@@ -103,7 +101,6 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 		set {
 			if newValue != settings.username {
 				settings.username = newValue
-				settingsDirty = true
 			}
 		}
 	}
@@ -228,7 +225,6 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 		NotificationCenter.default.addObserver(self, selector: #selector(displayNameDidChange(_:)), name: .DisplayNameDidChange, object: nil)
 		NotificationCenter.default.addObserver(self, selector: #selector(childrenDidChange(_:)), name: .ChildrenDidChange, object: nil)
 
-		delegate.credentials = try? retrieveBasicCredentials()
 		
 		pullObjectsFromDisk()
 		
@@ -701,6 +697,13 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 	}
 }
 
+// MARK: - AccountSettingsDelegate
+
+extension Account: AccountSettingsDelegate {
+	func valueDidChange(_ accountSettings: AccountSettings, key: AccountSettings.CodingKeys) {
+		settingsDirty = true
+	}
+}
 
 // MARK: - FeedMetadataDelegate
 
@@ -732,10 +735,12 @@ private extension Account {
 	func importSettings() {
 		let url = URL(fileURLWithPath: settingsPath)
 		guard let data = try? Data(contentsOf: url) else {
+			settings.delegate = self
 			return
 		}
 		let decoder = PropertyListDecoder()
 		settings = (try? decoder.decode(AccountSettings.self, from: data)) ?? AccountSettings()
+		settings.delegate = self
 	}
 
 	func importFeedMetadata() {

Frameworks/Account/AccountDelegate.swift

@@ -9,12 +9,13 @@
 import Foundation
 import RSWeb
 
-public protocol AccountDelegate {
+protocol AccountDelegate {
 
 	// Local account does not; some synced accounts might.
 	var supportsSubFolders: Bool { get }
 	var server: String? { get }
 	var credentials: Credentials? { get set }
+	var settings: AccountSettings? { get set }
 	
 	var refreshProgress: DownloadProgress { get }
 
@@ -24,16 +25,6 @@ public protocol AccountDelegate {
 
 	func accountDidInitialize(_ account: Account)
 
-	// Called at the end of initializing an Account using data from disk.
-	// Delegate has complete control over what goes in userInfo and what it means.
-	// Called even if userInfo is nil, since the delegate might have other
-	// things to do at init time anyway.
-	func update(account: Account, withUserInfo: NSDictionary?)
-
-	// Saved to disk with other Account data. Could be called at any time.
-	// And called many times.
-	func userInfo(for: Account) -> NSDictionary?
-
 	static func validateCredentials(transport: Transport, credentials: Credentials, completionHandler handler: @escaping (Result<Bool, Error>) -> Void)
 	
 }

Frameworks/Account/AccountSettings.swift

@@ -8,10 +8,46 @@
 
 import Foundation
 
+protocol AccountSettingsDelegate: class {
+	func valueDidChange(_ accountSettings: AccountSettings, key: AccountSettings.CodingKeys)
+}
+
 final class AccountSettings: Codable {
 
-	var name: String?
-	var isActive: Bool = true
-	var username: String?
+	enum CodingKeys: String, CodingKey {
+		case name
+		case isActive
+		case username
+	}
+
+	var name: String? {
+		didSet {
+			if name != oldValue {
+				valueDidChange(.name)
+			}
+		}
+	}
+	
+	var isActive: Bool = true {
+		didSet {
+			if isActive != oldValue {
+				valueDidChange(.isActive)
+			}
+		}
+	}
+	
+	var username: String? {
+		didSet {
+			if username != oldValue {
+				valueDidChange(.username)
+			}
+		}
+	}
+
+	weak var delegate: AccountSettingsDelegate?
+	
+	func valueDidChange(_ key: CodingKeys) {
+		delegate?.valueDidChange(self, key: key)
+	}
 	
 }

Frameworks/Account/Feedbin/FeedbinAccountDelegate.swift

@@ -21,6 +21,9 @@ final class FeedbinAccountDelegate: AccountDelegate {
 		}
 	}
 	
+	var settings: AccountSettings?
+
+	
 	init(transport: Transport) {
 		caller = FeedbinAPICaller(transport: transport)
 	}
@@ -42,18 +45,7 @@ final class FeedbinAccountDelegate: AccountDelegate {
 	}
 	
 	func accountDidInitialize(_ account: Account) {
-	}
-	
-	// MARK: Disk
-	
-	func update(account: Account, withUserInfo: NSDictionary?) {
-		
-		
-	}
-	
-	func userInfo(for: Account) -> NSDictionary? {
-		
-		return nil
+		credentials = try? account.retrieveBasicCredentials()
 	}
 	
 }

Frameworks/Account/LocalAccount/LocalAccountDelegate.swift

@@ -14,6 +14,7 @@ final class LocalAccountDelegate: AccountDelegate {
 	let supportsSubFolders = false
 	let server: String? = nil
 	var credentials: Credentials?
+	var settings: AccountSettings?
 
 	private let refresher = LocalAccountRefresher()
 
@@ -33,12 +34,4 @@ final class LocalAccountDelegate: AccountDelegate {
 	func accountDidInitialize(_ account: Account) {
 	}
 
-	// MARK: Disk
-	
-	func update(account: Account, withUserInfo: NSDictionary?) {
-	}
-
-	func userInfo(for: Account) -> NSDictionary? {
-		return nil
-	}
 }