Use new session id format

Aptabase.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name                      = 'Aptabase'
-    s.version                   = '0.3.3'
+    s.version                   = '0.3.4'
     s.summary                   = 'Swift SDK for Aptabase: Open Source, Privacy-First and Simple Analytics for Mobile, Desktop and Web Apps'
     s.homepage                  = 'https://aptabase.com'
     s.license                   = { :type => 'MIT', :file => 'LICENSE' }

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.4
+
+* Use new session id format
+
 ## 0.3.3
 
 * Added Privacy Manifest (PrivacyInfo.xcprivacy)

README.md

@@ -19,7 +19,7 @@ let package = Package(
     ...
     dependencies: [
         ...
-        .package(name: "Aptabase", url: "https://github.com/aptabase/aptabase-swift.git", from: "0.3.3"),
+        .package(name: "Aptabase", url: "https://github.com/aptabase/aptabase-swift.git", from: "0.3.4"),
     ],
     targets: [
         .target(
@@ -39,7 +39,7 @@ Use this [guide](https://developer.apple.com/documentation/xcode/adding-package-
 Aptabase is also available through CocoaPods. To install it, simply add the following line to your Podfile:
 
 ```ruby
-pod 'Aptabase', :git => 'https://github.com/aptabase/aptabase-swift.git', :tag => '0.3.3'
+pod 'Aptabase', :git => 'https://github.com/aptabase/aptabase-swift.git', :tag => '0.3.4'
 ```
 
 

Sources/Aptabase/AptabaseClient.swift

@@ -1,11 +1,11 @@
 import Foundation
 
 class AptabaseClient {
-    private static let sdkVersion = "aptabase-swift@0.3.3"
+    private static let sdkVersion = "aptabase-swift@0.3.4"
     // Session expires after 1 hour of inactivity
     private static let sessionTimeout: TimeInterval = 1 * 60 * 60
 
-    private var sessionId = UUID()
+    private var sessionId = newSessionId()
     private var lastTouched = Date()
     private var flushTimer: Timer?
     private let dispatcher: EventDispatcher
@@ -22,7 +22,7 @@ class AptabaseClient {
     public func trackEvent(_ eventName: String, with props: [String: AnyCodableValue] = [:]) {
         let now = Date()
         if lastTouched.distance(to: now) > AptabaseClient.sessionTimeout {
-            sessionId = UUID()
+            sessionId = AptabaseClient.newSessionId()
         }
         lastTouched = now
 
@@ -58,6 +58,12 @@ class AptabaseClient {
     public func flush() async {
         await dispatcher.flush()
     }
+
+    private static func newSessionId() -> String {
+        let epochInSeconds = UInt64(Date().timeIntervalSince1970)
+        let random = UInt64.random(in: 0...99999999)
+        return String(epochInSeconds * 100000000 + random)
+    }
 
     @objc private func flushSync() {
         let semaphore = DispatchSemaphore(value: 0)

Sources/Aptabase/EventDispatcher.swift

@@ -2,7 +2,7 @@ import Foundation
 
 struct Event: Encodable {
     var timestamp: Date
-    var sessionId: UUID
+    var sessionId: String
     var eventName: String
     var systemProps: SystemProps
     var props: [String: AnyCodableValue]?