feat(ios): files sending

ios/Classes/Utils/Archiver.swift

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+//
+//  ArchivedData.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 4/2/24.
+//
+
+import Foundation
+import MultipeerConnectivity
+
+
+class Archiver {
+    static func getPeerID() -> MCPeerID? {
+        guard let savedData = UserDefaults.standard.data(forKey: PEER_ID),
+              let unarchivedPeerID = try? NSKeyedUnarchiver.unarchivedObject(ofClass: MCPeerID.self, from: savedData)
+        else {
+            return nil
+        }
+        return unarchivedPeerID
+    }
+    
+    static func savePeerID(for peerID: MCPeerID) {
+        
+        do {
+            UserDefaults.standard.set(
+                try NSKeyedArchiver.archivedData(withRootObject: peerID, requiringSecureCoding: false),
+                forKey: PEER_ID
+            )
+        } catch let e {
+            Logger.error(message: e.localizedDescription)
+        }
+    }
+    
+    
+    static func getName() -> String? {
+        guard let savedData = UserDefaults.standard.data(forKey: DEVICE_NAME),
+              let unarchivedName = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSData.self, from: savedData)
+        else {
+            return nil
+        }
+        return String(data: unarchivedName as Data, encoding: .utf8)
+    }
+    
+    static func saveName(for name: String) {
+        if let data = name.data(using: .utf8) {
+            do {
+                UserDefaults.standard.set(
+                    try NSKeyedArchiver.archivedData(withRootObject: data, requiringSecureCoding: false),
+                    forKey: DEVICE_NAME
+                )
+            } catch let e {
+                Logger.error(message: e.localizedDescription)
+            }
+        }
+    }
+}

ios/Classes/Utils/Constants.swift

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+//
+//  Constants.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 4/2/24.
+//
+
+import Foundation
+
+
+let SERVICE_TYPE = "mp-connection"
+let PEER_ID = "PEER-ID"
+let DEVICE_NAME = "DEVICE-NAME"
+let ON_MESSAGE_RECEIVED = Notification.Name("NearbySessionOnMessageReceived")
+let ON_RESOURCE_RECEIVED = Notification.Name("NearbySessionOnResourceReceived")
+
+let DART_COMMAND_MESSAGE_RECEIVED = "invoke_nearby_service_message_received"
+let DART_COMMAND_RESOURCES_RECEIVED = "invoke_nearby_service_resources_received"

ios/Classes/Utils/Logger.swift

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+//
+//  Logger.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 26/1/24.
+//
+
+import Foundation
+
+
+class Logger {
+    static func error(message: String) {
+        NSLog("NearbyServicePluginError -- %@", message)
+    }
+}

ios/Classes/Utils/MyDeviceDataGenerator.swift

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+import Foundation
+import MultipeerConnectivity
+
+
+class MyDeviceDataGenerator {
+    static func generate(name: String?) -> NearbyDevice {
+        return NearbyDevice(
+            peerID: getPeerID(),
+            name: getNameArchived(or: name),
+            deviceType: UIDevice.current.model,
+            os: UIDevice.current.systemName,
+            osVersion: UIDevice.current.systemVersion
+        )
+    }
+    static private func getPeerID() -> MCPeerID {
+        if let archivedPeerID = Archiver.getPeerID() {
+            return archivedPeerID
+        } else {
+            let peerID = MCPeerID(
+                displayName: UIDevice.current.name.replacingOccurrences(of: " ", with: "_")
+                + "_"
+                + String(Int.random(in: 1000..<50000))
+            )
+            Archiver.savePeerID(for: peerID)
+            return peerID
+        }
+    }
+    static private func getNameArchived(or name: String?) -> String {
+        let archivedName = Archiver.getName()
+        if let newName = name {
+            if (archivedName != newName) {
+                Archiver.saveName(for: newName)
+            }
+            return newName
+        }
+        return archivedName ?? UIDevice.current.name
+    }
+    
+}