HistoryDBManager.swift
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//
// HistoryDBManager.swift
// browser
//
// Created by Artem Talko on 17.10.2023.
//
import UIKit
import Realm
import RealmSwift
final class HistoryDBManager {
static let shared = HistoryDBManager()
private let realm: Realm
private init() {
do {
self.realm = try Realm()
} catch {
fatalError("Error initializing Realm: \(error.localizedDescription)")
}
}
//MARK: ADDING
func saveToHistory(siteTitle: String, siteUrl: String, lastVisit: Date) {
let historyCell = HistoryDataBase(siteTitle: siteTitle, siteUrl: siteUrl, lastVisit: lastVisit)
do {
try realm.write {
realm.add(historyCell)
}
} catch {
print("Error adding new tab: \(error.localizedDescription)")
}
}
//MARK: GETTING
func getHistory(sorted: Bool = false) -> [HistoryDataBase] {
if sorted {
let history = realm.objects(HistoryDataBase.self).sorted(byKeyPath: "lastVisit", ascending: false)
return Array(history)
} else {
let history = realm.objects(HistoryDataBase.self)
return Array(history)
}
}
func getHistoryDataForTableView() -> ([HistoryElement]) {
let stories = getHistory(sorted: true)
return createHistoryData(elements: Array(stories))
}
func createHistoryData(elements: [HistoryDataBase]) -> ([HistoryElement]) {
var groupedData: [String: [HistoryDataBase]] = [:]
let dateFormatter = DateManager.shared.dateFormatter
for data in elements {
let formattedDate = dateFormatter.string(from: data.lastVisit)
if groupedData[formattedDate] == nil {
groupedData[formattedDate] = []
}
groupedData[formattedDate]?.append(data)
}
let result = groupedData.map({ HistoryElement( name: $0.key, stories: $0.value )})
return result
}
func getFilteredHistory(filter: String) -> ([HistoryElement]) {
let lowercasedFilter = filter.lowercased()
let history = getHistory(sorted: true)
let filteredHistory = history.filter({ $0.siteTitle.lowercased().contains(lowercasedFilter) || $0.siteUrl.lowercased().contains(lowercasedFilter)})
return createHistoryData(elements: filteredHistory)
}
//MARK: DELETING
func cleanHistory() {
do {
let history = realm.objects(HistoryDataBase.self)
try realm.write {
realm.delete(history)
}
} catch {
print("Error cleaning history: \(error.localizedDescription)")
}
}
func deleteHistoryInRange(startDate: Date) {
do {
let history = realm.objects(HistoryDataBase.self).filter("lastVisit >= %@", startDate)
try realm.write {
realm.delete(history)
}
} catch {
print("Error deleting history within the specified time range: \(error.localizedDescription)")
}
}
func deleteHistoryCell(tabId: String) {
if let historyCellToDelete = realm.object(ofType: HistoryDataBase.self, forPrimaryKey: tabId) {
do {
try realm.write {
realm.delete(historyCellToDelete)
}
} catch {
print("Error deleting history cell: \(error.localizedDescription)")
}
}
}
}