Adds the user information functionality

- Displays the user information
- Allows the user to sign out

2 files changed, 122 insertions, 0 deletions

diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationActivity.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationActivity.kt
new file mode 100644
index 0000000..da1c0d5
--- /dev/null
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationActivity.kt
@@ -0,0 +1,78 @@
+package mx.trackermap.TrackerMap.android.session
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import mx.trackermap.TrackerMap.android.databinding.UserInformationActivityBinding
+import mx.trackermap.TrackerMap.client.models.User
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class UserInformationActivity : AppCompatActivity() {
+
+    private var _binding: UserInformationActivityBinding? = null
+    private val binding get() = _binding!!
+    private val userInformationViewModel: UserInformationViewModel by viewModel()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        _binding = UserInformationActivityBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        initialize()
+    }
+
+    private fun initialize() {
+        setupObservers()
+        setupEvents()
+
+        userInformationViewModel.fetchUserInfo()
+    }
+
+    private fun setupObservers() {
+        userInformationViewModel.userInformation.observe(this) { userInformation ->
+            when (userInformation) {
+                UserInformationViewModel.InformationState.Loading -> setLoading(true)
+                UserInformationViewModel.InformationState.Failure -> failure()
+                is UserInformationViewModel.InformationState.Success -> display(userInformation.user)
+                UserInformationViewModel.InformationState.Signout -> signout()
+            }
+        }
+    }
+
+    private fun setupEvents() {
+        binding.signoutButton.setOnClickListener { userInformationViewModel.signout() }
+    }
+
+    private fun setLoading(isLoading: Boolean) {
+        binding.infoLoading.visibility = if (isLoading) View.VISIBLE else View.GONE
+        binding.userInfoCard.visibility = if (isLoading) View.GONE else View.VISIBLE
+    }
+
+    private fun failure() {
+        setLoading(false)
+
+        Toast.makeText(this, "Something went wrong...", Toast.LENGTH_LONG).show()
+    }
+
+    private fun display(user: User) {
+        setLoading(false)
+
+        binding.apply {
+            usernameInfo.text = user.name ?: ""
+            emailInfo.text = user.email ?: ""
+            idInfo.text = "${user.id ?: "--"}"
+            deviceLimitInfo.text = "${user.deviceLimit ?: "--"}"
+            adminInfo.text = "${user.administrator}"
+        }
+    }
+
+    private fun signout() {
+        val intent = Intent(applicationContext, LoginActivity::class.java)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+        startActivity(intent)
+        finish()
+    }
+
+}
\ No newline at end of file
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationViewModel.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationViewModel.kt
new file mode 100644
index 0000000..b2379fc
--- /dev/null
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/session/UserInformationViewModel.kt
@@ -0,0 +1,44 @@
+package mx.trackermap.TrackerMap.android.session
+
+import android.util.Log
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.launch
+import mx.trackermap.TrackerMap.client.apis.SessionApi
+import mx.trackermap.TrackerMap.client.models.User
+
+class UserInformationViewModel(private val sessionApi: SessionApi) : ViewModel() {
+
+    sealed class InformationState {
+        object Loading: InformationState()
+        object Failure: InformationState()
+        class Success(val user: User) : InformationState()
+        object Signout: InformationState()
+    }
+
+    var userInformation = MutableLiveData<InformationState>(InformationState.Loading)
+
+    init {
+        Log.d("UserInformationVM", "Initializing User Information View Model")
+    }
+
+    fun fetchUserInfo() {
+        viewModelScope.launch {
+            userInformation.postValue(InformationState.Loading)
+            try {
+                userInformation.postValue(InformationState.Success(sessionApi.sessionGet()))
+            } catch (e: Exception) {
+                userInformation.postValue(InformationState.Failure)
+            }
+        }
+    }
+
+    fun signout() {
+        viewModelScope.launch {
+            userInformation.postValue(InformationState.Loading)
+            sessionApi.sessionDelete()
+            userInformation.postValue(InformationState.Signout)
+        }
+    }
+}
\ No newline at end of file