-
Notifications
You must be signed in to change notification settings - Fork 7
/
ViewController.swift
196 lines (143 loc) · 6.5 KB
/
ViewController.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
//
// ViewController.swift
// PreBundleDataRealm
//
// Created by Ali Akhtar on 31/05/2019.
// Copyright © 2019 Ali Akhtar. All rights reserved.
//
import UIKit
import RealmSwift
import Foundation
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let fileURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.com.ali.test")?.appendingPathComponent("shared.realm")
let sharedConfig = Realm.Configuration(
fileURL: fileURL)
try! FileManager.default.copyItem(
at: Bundle.main.url(forResource: "bundle", withExtension: "realm")!, to: sharedConfig.fileURL!)
print(sharedConfig.fileURL!)
}
func openingWithWrongKey() {
let key = "wrong"
let encyptedConfig = Realm.Configuration(
fileURL: inLibrarayFolder(fileName: "encypted.realm"),encryptionKey:key.sha512())
do {
let encyptedRealm = try Realm(configuration: encyptedConfig)
let airports = encyptedRealm.objects(Airport.self)
print(airports[0].airportName)
print(airports[1].airportName)
}
catch {
print(error.localizedDescription)
}
}
func openWithCorrectKey() {
let key = "password"
let encyptedConfig = Realm.Configuration(
fileURL: inLibrarayFolder(fileName: "encypted.realm"),encryptionKey:key.sha512())
let encyptedRealm = try! Realm(configuration: encyptedConfig)
let airports = encyptedRealm.objects(Airport.self)
print(airports[0].airportName)
print(airports[1].airportName)
}
func encyption() {
autoreleasepool {
let mainConfig = Realm.Configuration(
fileURL: inLibrarayFolder(fileName: "main.realm"))
let realm = try! Realm(configuration: mainConfig)
let key = "password"
try! realm.writeCopy(
toFile: inLibrarayFolder(fileName: "encypted.realm"), encryptionKey: key.sha512())
print(mainConfig.fileURL!)
}
}
func copyPreBundleDataCompeletely() {
let mainRealmUrl = inLibrarayFolder(fileName: "main.realm")
let bundleUrl = Bundle.main.url(forResource: "bundle", withExtension: "realm")!
//After launch after fresh install (if main.realm never created)
if (!FileManager.default.fileExists(atPath: mainRealmUrl.path)){
//copy bundled data into writable location compeletely
try! FileManager.default.copyItem(
at: bundleUrl, to: mainRealmUrl)
print(mainRealmUrl)
}
}
func dumpBundleNewlyAddedDataIntoTheExistingRealm() {
//Get existing realm object
let configurationMain = Realm.Configuration(fileURL: inLibrarayFolder(fileName: "main.realm"))
let realmMain = try! Realm(configuration: configurationMain)
//Get bundle realm object
let configurationBundle = Realm.Configuration(fileURL: Bundle.main.url(forResource: "bundle", withExtension: "realm"))
let realmBundle = try! Realm(configuration: configurationBundle)
let someHowFigureApplicationUpdateFirstLaunch = true
//Get the lists of the data not in the existing application
if someHowFigureApplicationUpdateFirstLaunch {
var needsToCopy = [Airport]()
for bundledObject in realmBundle.objects(Airport.self){
let airports = realmMain.objects(Airport.self).filter("airportId == %d",bundledObject.airportId)
if airports.count <= 0 {
needsToCopy.append(bundledObject)
}
}
//insert data into the existing realm
guard needsToCopy.count > 0 else { return }
try! realmMain.write {
for airport in needsToCopy {
realmMain.create(Airport.self, value: airport, update: false)
}
}
}
}
func existingDataInThePreviousVersion() {
let configuration = Realm.Configuration(fileURL: inLibrarayFolder(fileName: "main.realm"))
let realm = try! Realm(configuration: configuration)
print(configuration.fileURL!)
let airport1 = Airport("London Aiport", "LHP", 3)
let airport2 = Airport("Heathrow Aiport", "LHR", 4)
try! realm.write {
realm.add([airport1,airport2])
}
}
func prebundleData() {
let configuration = Realm.Configuration(fileURL: inLibrarayFolder(fileName: "bundle.realm"))
let realm = try! Realm(configuration: configuration)
print(realm.configuration.fileURL!)
print(realm.isEmpty)
let airport1 = Airport("jinnah Aiport", "OPKC", 1)
let airport2 = Airport("Lahore Aiport", "OPKL", 2)
try! realm.write {
realm.add([airport1,airport2])
}
print(realm.configuration.fileURL!)
}
func readingBundleData() {
let fileUrl = Bundle.main.url(forResource: "bundle", withExtension: "realm")
let configuration = Realm.Configuration(fileURL: fileUrl)
let realm = try! Realm(configuration: configuration)
let airports = realm.objects(Airport.self)
print(airports[0].airportName)
print(airports[1].airportName)
try! realm.write {
airports[0].airportName = "ff"
}
print(airports[0].airportName)
}
func inLibrarayFolder(fileName: String) -> URL {
return URL(fileURLWithPath: NSSearchPathForDirectoriesInDomains(.libraryDirectory, .userDomainMask, true)[0], isDirectory: true)
.appendingPathComponent(fileName)
}
}
import CommonCrypto
extension String {
func sha512() -> Data? {
let stringData = data(using: String.Encoding.utf8)!
var result = Data(count: Int(CC_SHA512_DIGEST_LENGTH))
_ = result.withUnsafeMutableBytes { resultBytes in
stringData.withUnsafeBytes { stringBytes in
CC_SHA512(stringBytes, CC_LONG(stringData.count), resultBytes)
}
}
return result
}
}