fix: converter backwards compatibility

Fixes database converter to allow for backwards compatabilty.

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "com.zaneschepke.wireguardautotunnel"
         minSdk = 26
         targetSdk = 34
-        versionCode = 31900
-        versionName = "3.1.9"
+        versionCode = 32000
+        versionName = "3.2.0"
 
         ksp {
             arg("room.schemaLocation", "$projectDir/schemas")

app/src/main/java/com/zaneschepke/wireguardautotunnel/repository/DatabaseListConverters.kt

@@ -12,6 +12,12 @@ class DatabaseListConverters {
     @TypeConverter
     fun stringToList(value: String): MutableList<String> {
         if(value.isEmpty()) return mutableListOf()
-        return Json.decodeFromString<MutableList<String>>(value)
+        return try {
+            Json.decodeFromString<MutableList<String>>(value)
+        } catch (e : Exception) {
+            val list = value.split(",").toMutableList()
+            val json = listToString(list)
+            Json.decodeFromString<MutableList<String>>(json)
+        }
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/MainScreen.kt

@@ -159,8 +159,8 @@ fun MainScreen(
         scope.launch(Dispatchers.IO) {
             try {
                 viewModel.onTunnelFileSelected(data)
-            } catch (e : Exception) {
-                showSnackbarMessage(e.message ?: context.getString(R.string.unknown_error))
+            } catch (e : WgTunnelException) {
+                showSnackbarMessage(e.message)
             }
         }
     }
@@ -171,8 +171,8 @@ fun MainScreen(
             scope.launch {
                 try {
                     viewModel.onTunnelQrResult(it.contents)
-                } catch (e: Exception) {
-                    showSnackbarMessage(context.getString(R.string.qr_result_failed))
+                } catch (e: WgTunnelException) {
+                    showSnackbarMessage(e.message)
                 }
             }
         }