.

app/src/main/java/com/biganto/visual/roompark/di/koin/AppModule.kt

@@ -2,7 +2,11 @@ package com.biganto.visual.roompark.di.koin
 
 import com.biganto.visual.roompark.base.RoomParkApplication
 import com.biganto.visual.roompark.base.RoomParkMainActivity
+import com.biganto.visual.roompark.domain.contract.AuthContract
+import com.biganto.visual.roompark.domain.model.AuthInfoModel
 import com.biganto.visual.roompark.view_utils.snackbar.SnackBarProvider
+import io.reactivex.rxjava3.core.Completable
+import io.reactivex.rxjava3.core.Observable
 import org.koin.android.ext.koin.androidContext
 import org.koin.android.ext.koin.androidLogger
 import org.koin.core.context.startKoin
@@ -29,6 +33,19 @@ val appModule = module{
 
 }
 
+val dataModule = module {
+
+    single<AuthContract>{ object :AuthContract{
+        override fun signIn(email: String, password: String): Observable<AuthInfoModel> {
+            TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        }
+
+        override fun signOut(): Completable {
+            TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        }
+    }}
+}
+
 val scopesModule = module {
     scope(named<RoomParkMainActivity>()){
         scoped { SnackBarProvider(get()) }

app/src/main/java/com/biganto/visual/roompark/domain/use_case/authUseCase.kt

 package com.biganto.visual.roompark.domain.use_case
 
+import com.biganto.visual.roompark.domain.contract.AuthContract
+
 /**
  * Created by Vladislav Bogdashkin on 24.09.2019.
  */
 
-class AuthUseCase{
-//    val auth: AuthContract by currentScope.inject()
+class AuthUseCase(
+    val auth: AuthContract by currentScope.get<>
+){
+
 
 }
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