Save feed.authors.

Frameworks/Account/DataExtensions.swift

@@ -53,6 +53,12 @@ public extension Feed {
 			didChangeAtLeastOneSetting = true
 		}
 
+		let updatedAuthors = Author.authorsWithParsedAuthors(parsedFeed.authors)
+		if authors != updatedAuthors {
+			authors = updatedAuthors
+			didChangeAtLeastOneSetting = true
+		}
+
 		if didChangeAtLeastOneSetting {
 			NotificationCenter.default.post(name: .FeedSettingDidChange, object: self)
 		}

Frameworks/Data/Author.swift

@@ -42,8 +42,60 @@ public struct Author: Hashable {
 		}
 	}
 
+	public struct Key {
+		static let authorID = "authorID"
+		static let name = "name"
+		static let url = "url"
+		static let avatarURL = "avatarURL"
+		static let emailAddress = "emailAddress"
+	}
+
+	public init?(dictionary: [String: Any]) {
+
+		self.init(authorID: dictionary[Key.authorID] as? String, name: dictionary[Key.name] as? String, url: dictionary[Key.url] as? String, avatarURL: dictionary[Key.avatarURL] as? String, emailAddress: dictionary[Key.emailAddress] as? String)
+	}
+
+	public var dictionary: [String: Any] {
+
+		var d = [String: Any]()
+
+		d[Key.authorID] = authorID
+
+		if let name = name {
+			d[Key.name] = name
+		}
+		if let url = url {
+			d[Key.url] = url
+		}
+		if let avatarURL = avatarURL {
+			d[Key.avatarURL] = avatarURL
+		}
+		if let emailAddress = emailAddress {
+			d[Key.emailAddress] = emailAddress
+		}
+
+		return d
+	}
+
 	public static func ==(lhs: Author, rhs: Author) -> Bool {
 
 		return lhs.hashValue == rhs.hashValue && lhs.authorID == rhs.authorID
 	}
+
+	static func authorsWithDiskArray(_ diskArray: [[String: Any]]) -> Set<Author>? {
+
+		let authors = diskArray.flatMap { Author(dictionary: $0) }
+		return authors.isEmpty ? nil : Set(authors)
+	}
+}
+
+extension Set where Element == Author {
+
+	func diskArray() -> [[String: Any]]? {
+
+		if self.isEmpty {
+			return nil
+		}
+		return self.map{ $0.dictionary }
+	}
 }

Frameworks/Data/Feed.swift

@@ -19,6 +19,7 @@ public final class Feed: DisplayNameProvider, UnreadCountProvider, Hashable {
 	public var iconURL: String?
 	public var faviconURL: String?
 	public var name: String?
+	public var authors: Set<Author>?
 	public var editedName: String?
 	public var conditionalGetInfo: HTTPConditionalGetInfo?
 	public var contentHash: String?
@@ -62,6 +63,7 @@ public final class Feed: DisplayNameProvider, UnreadCountProvider, Hashable {
 		static let faviconURL = "faviconURL"
 		static let name = "name"
 		static let editedName = "editedName"
+		static let authors = "authors"
 		static let conditionalGetInfo = "conditionalGetInfo"
 		static let contentHash = "contentHash"
 		static let unreadCount = "unreadCount"
@@ -89,6 +91,10 @@ public final class Feed: DisplayNameProvider, UnreadCountProvider, Hashable {
 		if let savedUnreadCount = dictionary[Key.unreadCount] as? Int {
 			self.unreadCount = savedUnreadCount
 		}
+
+		if let authorsDiskArray = dictionary[Key.authors] as? [[String: Any]] {
+			self.authors = Author.authorsWithDiskArray(authorsDiskArray)
+		}
 	}
 
 	public static func isFeedDictionary(_ d: [String: Any]) -> Bool {
@@ -122,6 +128,9 @@ public final class Feed: DisplayNameProvider, UnreadCountProvider, Hashable {
 			if let editedName = editedName {
 				d[Key.editedName] = editedName
 			}
+			if let authorsArray = authors?.diskArray() {
+				d[Key.authors] = authorsArray
+			}
 			if let contentHash = contentHash {
 				d[Key.contentHash] = contentHash
 			}

Frameworks/Database/Extensions/Author+Database.swift

@@ -31,7 +31,7 @@ extension Author {
 		self.init(authorID: nil, name: parsedAuthor.name, url: parsedAuthor.url, avatarURL: parsedAuthor.avatarURL, emailAddress: parsedAuthor.emailAddress)
 	}
 	
-	static func authorsWithParsedAuthors(_ parsedAuthors: Set<ParsedAuthor>?) -> Set<Author>? {
+	public static func authorsWithParsedAuthors(_ parsedAuthors: Set<ParsedAuthor>?) -> Set<Author>? {
 
 		guard let parsedAuthors = parsedAuthors else {
 			return nil