Save article statuses to new sync database as they are created

Frameworks/SyncDatabase/SyncDatabase.swift

@@ -0,0 +1,39 @@
+//
+//  SyncDatabase.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 5/14/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import Foundation
+import RSDatabase
+
+public final class SyncDatabase {
+	
+	private let syncStatusTable: SyncStatusTable
+	
+	public init(databaseFilePath: String) {
+		
+		let queue = RSDatabaseQueue(filepath: databaseFilePath, excludeFromBackup: false)
+		self.syncStatusTable = SyncStatusTable(queue: queue)
+		
+		queue.createTables(usingStatements: SyncDatabase.tableCreationStatements)
+		queue.vacuumIfNeeded()
+
+	}
+	
+	public func insertStatuses(_ statuses: [SyncStatus]) {
+		syncStatusTable.insertStatuses(statuses)
+	}
+	
+}
+
+// MARK: - Private
+
+private extension SyncDatabase {
+	
+	static let tableCreationStatements = """
+	CREATE TABLE if not EXISTS syncStatus (articleID TEXT NOT NULL, key TEXT NOT NULL, flag BOOL NOT NULL DEFAULT 0, selected BOOL NOT NULL DEFAULT 0, PRIMARY KEY (articleID, key));
+	"""
+}