diff --git a/data/src/main/java/com/eshc/data/source/IssueDataSource.kt b/data/src/main/java/com/eshc/data/source/IssueDataSource.kt
index 20caf07..e2c9857 100644
--- a/data/src/main/java/com/eshc/data/source/IssueDataSource.kt
+++ b/data/src/main/java/com/eshc/data/source/IssueDataSource.kt
@@ -1,4 +1,8 @@
 package com.eshc.data.source
 
+import com.eshc.domain.model.Issue
+import io.reactivex.rxjava3.core.Single
+
 interface IssueDataSource {
+    fun getIssues(state : String) : Single<Result<List<Issue>>>
 }
\ No newline at end of file
diff --git a/data/src/main/java/com/eshc/data/source/NotificationDataSource.kt b/data/src/main/java/com/eshc/data/source/NotificationDataSource.kt
index c27b8ef..93bc06f 100644
--- a/data/src/main/java/com/eshc/data/source/NotificationDataSource.kt
+++ b/data/src/main/java/com/eshc/data/source/NotificationDataSource.kt
@@ -1,4 +1,10 @@
 package com.eshc.data.source
 
+import com.eshc.domain.model.Notification
+import io.reactivex.rxjava3.core.Single
+
 interface NotificationDataSource {
+    fun getNotifications() : Single<Result<List<Notification>>>
+
+    fun updateNotificationAsRead()
 }
\ No newline at end of file
diff --git a/data/src/main/java/com/eshc/data/source/RepoDataSource.kt b/data/src/main/java/com/eshc/data/source/RepoDataSource.kt
index 7a14066..b7e24c0 100644
--- a/data/src/main/java/com/eshc/data/source/RepoDataSource.kt
+++ b/data/src/main/java/com/eshc/data/source/RepoDataSource.kt
@@ -1,4 +1,8 @@
 package com.eshc.data.source
 
+import com.eshc.domain.model.Repo
+import io.reactivex.rxjava3.core.Single
+
 interface RepoDataSource {
+    fun getRepos() : Single<Result<List<Repo>>>
 }
\ No newline at end of file
diff --git a/data/src/main/java/com/eshc/data/source/UserDataSource.kt b/data/src/main/java/com/eshc/data/source/UserDataSource.kt
index b5bd883..f7f066c 100644
--- a/data/src/main/java/com/eshc/data/source/UserDataSource.kt
+++ b/data/src/main/java/com/eshc/data/source/UserDataSource.kt
@@ -1,4 +1,8 @@
 package com.eshc.data.source
 
+import com.eshc.domain.model.User
+import io.reactivex.rxjava3.core.Single
+
 interface UserDataSource {
+    fun getUser() : Single<Result<User>>
 }
\ No newline at end of file
diff --git a/feature-login/src/main/java/com/eshc/feature/login/LoginActivity.kt b/feature-login/src/main/java/com/eshc/feature/login/LoginActivity.kt
index 1dff364..e9304a2 100644
--- a/feature-login/src/main/java/com/eshc/feature/login/LoginActivity.kt
+++ b/feature-login/src/main/java/com/eshc/feature/login/LoginActivity.kt
@@ -2,12 +2,12 @@ package com.eshc.feature.login
 
 import android.content.Intent
 import android.os.Bundle
-import android.util.Log
 import android.widget.Toast
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.net.toUri
 import androidx.databinding.DataBindingUtil
+import com.eshc.feature.home.HomeActivity
 import com.eshc.feature.login.common.GITHUB_AUTH
 import com.eshc.feature.login.databinding.ActivityLoginBinding
 import dagger.hilt.android.AndroidEntryPoint
@@ -51,6 +51,7 @@ class LoginActivity : AppCompatActivity() {
     private fun initObserver(){
         viewModel.uiState.observe(this){ loginUiState ->
             if(loginUiState.hasAccessToken) {
+                startActivity(Intent(this, HomeActivity::class.java))
                 finish()
             }
             if(loginUiState.error.isNotEmpty()){
diff --git a/feature-login/src/main/java/com/eshc/feature/login/LoginViewModel.kt b/feature-login/src/main/java/com/eshc/feature/login/LoginViewModel.kt
index 42ab5de..d0e83ff 100644
--- a/feature-login/src/main/java/com/eshc/feature/login/LoginViewModel.kt
+++ b/feature-login/src/main/java/com/eshc/feature/login/LoginViewModel.kt
@@ -1,10 +1,9 @@
 package com.eshc.feature.login
 
-import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
-import com.eshc.domain.usecase.GetAccessTokenUseCase
+import com.eshc.domain.usecase.auth.GetAccessTokenUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers