103 lines
2.7 KiB
Swift
103 lines
2.7 KiB
Swift
//
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// SyncStatusTable.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 5/14/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import Foundation
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import Articles
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import RSDatabase
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final class SyncStatusTable: DatabaseTable {
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let name = DatabaseTableName.syncStatus
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private let queue: RSDatabaseQueue
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init(queue: RSDatabaseQueue) {
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self.queue = queue
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}
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func selectForProcessing() -> [SyncStatus] {
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var statuses: Set<SyncStatus>? = nil
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self.queue.updateSync { database in
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let updateSQL = "update syncStatus set selected = true"
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database.executeUpdate(updateSQL, withArgumentsIn: nil)
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let selectSQL = "select * from syncStatus where selected == true"
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if let resultSet = database.executeQuery(selectSQL, withArgumentsIn: nil) {
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statuses = resultSet.mapToSet(self.statusWithRow)
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}
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}
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return statuses != nil ? Array(statuses!) : [SyncStatus]()
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}
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func selectPendingCount() -> Int {
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var count: Int = 0
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self.queue.fetchSync { (database) in
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let sql = "select count(*) from syncStatus"
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if let resultSet = database.executeQuery(sql, withArgumentsIn: nil) {
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resultSet.next()
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count = Int(resultSet.int(forColumnIndex: 0))
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}
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}
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return count
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}
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func resetSelectedForProcessing(_ articleIDs: [String]) {
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self.queue.update { database in
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let parameters = articleIDs.map { $0 as AnyObject }
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(articleIDs.count))!
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let updateSQL = "update syncStatus set selected = false where articleID in \(placeholders)"
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database.executeUpdate(updateSQL, withArgumentsIn: parameters)
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}
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}
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func deleteSelectedForProcessing(_ articleIDs: [String]) {
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self.queue.update { database in
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let parameters = articleIDs.map { $0 as AnyObject }
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(articleIDs.count))!
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let deleteSQL = "delete from syncStatus where articleID in \(placeholders)"
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database.executeUpdate(deleteSQL, withArgumentsIn: parameters)
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}
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}
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func insertStatuses(_ statuses: [SyncStatus]) {
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self.queue.update { database in
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let statusArray = statuses.map { $0.databaseDictionary() }
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self.insertRows(statusArray, insertType: .orReplace, in: database)
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}
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}
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}
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private extension SyncStatusTable {
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func statusWithRow(_ row: FMResultSet) -> SyncStatus? {
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guard let articleID = row.string(forColumn: DatabaseKey.articleID),
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let rawKey = row.string(forColumn: DatabaseKey.key),
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let key = ArticleStatus.Key(rawValue: rawKey) else {
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return nil
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}
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let flag = row.bool(forColumn: DatabaseKey.flag)
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let selected = row.bool(forColumn: DatabaseKey.selected)
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return SyncStatus(articleID: articleID, key: key, flag: flag, selected: selected)
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}
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}
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