fix: DbConnection cannot be extended (#169)

edge-agent-sdk/src/androidMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnection.kt → edge-agent-sdk/src/androidMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnectionImpl.kt

@@ -9,9 +9,9 @@ import org.hyperledger.identus.walletsdk.domain.models.PlutoError
 /**
  * DbConnection class represents a connection to the database.
  */
-actual class DbConnection actual constructor() {
-    actual var driver: SqlDriver? = null
-    actual suspend fun connectDb(context: Any?): SqlDriver {
+actual class DbConnectionImpl actual constructor() : DbConnection {
+    actual override var driver: SqlDriver? = null
+    actual override suspend fun connectDb(context: Any?): SqlDriver {
         val androidContext: Context = (context as? Context) ?: throw PlutoError.DatabaseContextError()
         val driver = AndroidSqliteDriver(SdkPlutoDb.Schema, androidContext, "prism.db")
         this.driver = driver

edge-agent-sdk/src/commonMain/kotlin/org/hyperledger/identus/walletsdk/pluto/PlutoImpl.kt

@@ -6,6 +6,7 @@ import app.cash.sqldelight.ColumnAdapter
 import app.cash.sqldelight.coroutines.asFlow
 import app.cash.sqldelight.coroutines.mapToList
 import app.cash.sqldelight.db.AfterVersion
+import java.util.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
@@ -37,7 +38,6 @@ import org.hyperledger.identus.walletsdk.pluto.backup.models.BackupV0_0_1
 import org.hyperledger.identus.walletsdk.pluto.data.DbConnection
 import org.hyperledger.identus.walletsdk.pluto.data.isConnected
 import org.hyperledger.identus.walletsdk.pollux.models.CredentialRequestMeta
-import java.util.UUID
 import org.hyperledger.identus.walletsdk.pluto.data.AvailableClaims as AvailableClaimsDB
 import org.hyperledger.identus.walletsdk.pluto.data.DID as DIDDB
 import org.hyperledger.identus.walletsdk.pluto.data.DIDPair as DIDPairDB

edge-agent-sdk/src/commonMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnection.kt → edge-agent-sdk/src/commonMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnectionImpl.kt

@@ -2,11 +2,17 @@ package org.hyperledger.identus.walletsdk.pluto.data
 
 import app.cash.sqldelight.db.SqlDriver
 
+interface DbConnection {
+    var driver: SqlDriver?
+
+    suspend fun connectDb(context: Any?): SqlDriver
+}
+
 /**
  * DbConnection class represents a connection to the database.
  */
-expect class DbConnection() {
-    var driver: SqlDriver?
+expect class DbConnectionImpl() : DbConnection {
+    override var driver: SqlDriver?
 
     /**
      * Establishes a connection to the database.
@@ -15,7 +21,7 @@ expect class DbConnection() {
      *
      * @return The SdkPlutoDb instance representing the connection to the database.
      */
-    suspend fun connectDb(context: Any?): SqlDriver
+    override suspend fun connectDb(context: Any?): SqlDriver
 }
 
 /**

edge-agent-sdk/src/jvmMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnection.kt → edge-agent-sdk/src/jvmMain/kotlin/org/hyperledger/identus/walletsdk/pluto/data/DbConnectionImpl.kt

@@ -4,9 +4,9 @@ import app.cash.sqldelight.db.SqlDriver
 import app.cash.sqldelight.driver.jdbc.sqlite.JdbcSqliteDriver
 import org.hyperledger.identus.walletsdk.SdkPlutoDb
 
-actual class DbConnection actual constructor() {
-    actual var driver: SqlDriver? = null
-    actual suspend fun connectDb(context: Any?): SqlDriver {
+actual class DbConnectionImpl actual constructor() : DbConnection {
+    actual override var driver: SqlDriver? = null
+    actual override suspend fun connectDb(context: Any?): SqlDriver {
         val driver = JdbcSqliteDriver("jdbc:sqlite:prism.db")
         SdkPlutoDb.Schema.create(driver)
         this.driver = driver

sampleapp/build.gradle.kts

@@ -78,6 +78,8 @@ dependencies {
     implementation("androidx.room:room-runtime:2.4.2")
     ksp("androidx.room:room-compiler:2.4.2")
 
+    implementation("app.cash.sqldelight:sqlite-driver:2.0.1")
+
     // Unit Tests
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")

sampleapp/src/main/java/org/hyperledger/identus/walletsdk/sampleapp/Sdk.kt

@@ -1,11 +1,16 @@
+@file:Suppress("ktlint:standard:import-ordering")
+
 package org.hyperledger.identus.walletsdk.sampleapp
 
 import android.app.Application
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.driver.jdbc.sqlite.JdbcSqliteDriver
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import org.hyperledger.identus.walletsdk.SdkPlutoDb
 import org.hyperledger.identus.walletsdk.apollo.ApolloImpl
 import org.hyperledger.identus.walletsdk.castor.CastorImpl
 import org.hyperledger.identus.walletsdk.castor.resolvers.PrismDIDApiResolver
@@ -26,6 +31,7 @@ import org.hyperledger.identus.walletsdk.mercury.MercuryImpl
 import org.hyperledger.identus.walletsdk.mercury.resolvers.DIDCommWrapper
 import org.hyperledger.identus.walletsdk.pluto.PlutoImpl
 import org.hyperledger.identus.walletsdk.pluto.data.DbConnection
+import org.hyperledger.identus.walletsdk.pluto.data.DbConnectionImpl
 import org.hyperledger.identus.walletsdk.pollux.PolluxImpl
 import java.net.UnknownHostException
 import java.util.Base64
@@ -90,7 +96,17 @@ class Sdk {
     }
 
     private fun createPluto(): Pluto {
-        return PlutoImpl(DbConnection())
+        val customDbConnection = object : DbConnection {
+            override var driver: SqlDriver? = null
+
+            override suspend fun connectDb(context: Any?): SqlDriver {
+                val driver = JdbcSqliteDriver(JdbcSqliteDriver.IN_MEMORY)
+                SdkPlutoDb.Schema.create(driver)
+                this.driver = driver
+                return driver
+            }
+        }
+        return PlutoImpl(DbConnectionImpl())
     }
 
     private fun createApollo(): Apollo {