PIA-1904: Hotfix: Crash on missing field

app/build.gradle.kts

@@ -24,10 +24,10 @@ plugins {
     id("org.jetbrains.kotlinx.kover")
 }
 
-val googleAppVersionCode = 669
+val googleAppVersionCode = 670
 val amazonAppVersionCode = googleAppVersionCode.plus(10000)
 val noInAppVersionCode = googleAppVersionCode.plus(10000)
-val appVersionName = "4.0.6"
+val appVersionName = "4.0.7"
 
 android {
     namespace = "com.kape.vpn"

core/localprefs/regions/src/main/java/com/kape/vpnregions/VpnRegionPrefs.kt

@@ -4,6 +4,9 @@ import android.content.Context
 import com.kape.regions.data.ServerData
 import com.kape.utils.Prefs
 import com.kape.utils.vpnserver.VpnServer
+import com.kape.utils.vpnserver.VpnServerOutdated
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.MissingFieldException
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 
@@ -47,8 +50,17 @@ class VpnRegionPrefs(context: Context) : Prefs(context, "vpn-regions") {
         setVpnReconnect(true)
     }
 
-    fun getSelectedServer(): VpnServer? = prefs.getString(VPN_SELECTED_SERVER, null)?.let {
-        Json.decodeFromString(it)
+    @OptIn(ExperimentalSerializationApi::class)
+    fun getSelectedServer(): VpnServer? {
+        return try {
+            prefs.getString(VPN_SELECTED_SERVER, null)?.let {
+                Json.decodeFromString<VpnServer>(it)
+            }
+        } catch (exception: MissingFieldException) {
+            prefs.getString(VPN_SELECTED_SERVER, null)?.let {
+                Json.decodeFromString<VpnServerOutdated>(it).toVpnServer()
+            }
+        }
     }
 
     fun needsVpnReconnect() = prefs.getBoolean(VPN_RECONNECT, false)

core/utils/src/main/java/com/kape/utils/vpnserver/VpnServerOutdated.kt

@@ -0,0 +1,41 @@
+package com.kape.utils.vpnserver
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class VpnServerOutdated(
+    val name: String,
+    val iso: String,
+    val dns: String,
+    var latency: String?,
+    val endpoints: Map<VpnServer.ServerGroup, List<VpnServer.ServerEndpointDetails>>,
+    val key: String,
+    val latitude: String?,
+    val longitude: String?,
+    val isGeo: Boolean,
+    val isOffline: Boolean,
+    @SerialName("isAllowsPF")
+    val allowsPortForwarding: Boolean,
+    val dipToken: String?,
+    val dedicatedIp: String?,
+    val isDedicatedIp: Boolean = !dedicatedIp.isNullOrEmpty(),
+) {
+    fun toVpnServer(): VpnServer = VpnServer(
+        name,
+        iso,
+        dns,
+        latency,
+        endpoints,
+        key,
+        latitude,
+        longitude,
+        isGeo,
+        isOffline,
+        allowsPortForwarding,
+        false,
+        dipToken,
+        dedicatedIp,
+        isDedicatedIp,
+    )
+}