Move local modules into a folder named Modules.

Modules/SyncDatabase/Sources/SyncDatabase/SyncStatusTable.swift

@@ -0,0 +1,128 @@
+//
+//  SyncStatusTable.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 5/14/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import Foundation
+import Articles
+import Database
+import FMDB
+
+struct SyncStatusTable {
+
+	static private let name = "syncStatus"
+
+	func selectForProcessing(limit: Int?, database: FMDatabase) -> Set<SyncStatus>? {
+
+		let updateSQL = "update syncStatus set selected = true"
+		database.executeUpdateInTransaction(updateSQL, withArgumentsIn: nil)
+
+		let selectSQL = {
+			var sql = "select * from syncStatus where selected == true"
+			if let limit {
+				sql = "\(sql) limit \(limit)"
+			}
+			return sql
+		}()
+
+		guard let resultSet = database.executeQuery(selectSQL, withArgumentsIn: nil) else {
+			return nil
+		}
+		let statuses = resultSet.mapToSet(self.statusWithRow)
+		return statuses
+	}
+
+	func selectPendingCount(database: FMDatabase) -> Int? {
+
+		let sql = "select count(*) from syncStatus"
+		guard let resultSet = database.executeQuery(sql, withArgumentsIn: nil) else {
+			return nil
+		}
+
+		let count = resultSet.intWithCountResult()
+		return count
+	}
+
+	func selectPendingReadStatusArticleIDs(database: FMDatabase) -> Set<String>? {
+
+		selectPendingArticleIDs(.read, database: database)
+	}
+
+	func selectPendingStarredStatusArticleIDs(database: FMDatabase) -> Set<String>? {
+
+		selectPendingArticleIDs(.starred, database: database)
+	}
+
+	func resetAllSelectedForProcessing(database: FMDatabase) {
+
+		let updateSQL = "update syncStatus set selected = false"
+		database.executeUpdateInTransaction(updateSQL)
+	}
+
+	func resetSelectedForProcessing(_ articleIDs: Set<String>, database: FMDatabase) {
+
+		guard !articleIDs.isEmpty else {
+			return
+		}
+
+		let parameters = articleIDs.map { $0 as AnyObject }
+		let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(articleIDs.count))!
+		let updateSQL = "update syncStatus set selected = false where articleID in \(placeholders)"
+
+		database.executeUpdateInTransaction(updateSQL, withArgumentsIn: parameters)
+	}
+
+	func deleteSelectedForProcessing(_ articleIDs: Set<String>, database: FMDatabase) {
+
+		guard !articleIDs.isEmpty else {
+			return
+		}
+
+		let parameters = articleIDs.map { $0 as AnyObject }
+		let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(articleIDs.count))!
+		let deleteSQL = "delete from syncStatus where selected = true and articleID in \(placeholders)"
+
+		database.executeUpdateInTransaction(deleteSQL, withArgumentsIn: parameters)
+	}
+
+	func insertStatuses(_ statuses: Set<SyncStatus>, database: FMDatabase) {
+
+		database.beginTransaction()
+
+		let statusArray = statuses.map { $0.databaseDictionary() }
+		database.insertRows(statusArray, insertType: .orReplace, tableName: Self.name)
+
+		database.commit()
+	}
+}
+
+private extension SyncStatusTable {
+
+	func statusWithRow(_ row: FMResultSet) -> SyncStatus? {
+
+		guard let articleID = row.string(forColumn: DatabaseKey.articleID),
+			let rawKey = row.string(forColumn: DatabaseKey.key),
+			let key = SyncStatus.Key(rawValue: rawKey) else {
+				return nil
+		}
+		
+		let flag = row.bool(forColumn: DatabaseKey.flag)
+		let selected = row.bool(forColumn: DatabaseKey.selected)
+		
+		return SyncStatus(articleID: articleID, key: key, flag: flag, selected: selected)
+	}
+
+	func selectPendingArticleIDs(_ statusKey: ArticleStatus.Key, database: FMDatabase) -> Set<String>? {
+
+		let sql = "select articleID from syncStatus where selected == false and key = \"\(statusKey.rawValue)\";"
+		guard let resultSet = database.executeQuery(sql, withArgumentsIn: nil) else {
+			return nil
+		}
+
+		let articleIDs = resultSet.mapToSet{ $0.string(forColumnIndex: 0) }
+		return articleIDs
+	}
+}