Adds the user information functionality

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

4 files changed, 130 insertions, 22 deletions

diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/TrackerApp.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/TrackerApp.kt
index 1563534..808808a 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/TrackerApp.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/TrackerApp.kt
@@ -6,6 +6,7 @@ import mx.trackermap.TrackerMap.android.details.commands.UnitCommandsViewModel
 import mx.trackermap.TrackerMap.android.details.information.UnitInformationViewModel
 import mx.trackermap.TrackerMap.android.details.reports.UnitReportsViewModel
 import mx.trackermap.TrackerMap.android.session.LoginViewModel
+import mx.trackermap.TrackerMap.android.session.UserInformationViewModel
 import mx.trackermap.TrackerMap.android.units.UnitsViewModel
 import mx.trackermap.TrackerMap.client.apis.*
 import mx.trackermap.TrackerMap.controllers.GeofencesController
@@ -40,6 +41,7 @@ class TrackerApp : Application() {
             viewModel { UnitCommandsViewModel(get()) }
             single { UnitsViewModel(get()) }
             viewModel { UnitReportsViewModel(get(), get()) }
+            viewModel { UserInformationViewModel(get()) }
         }
 
         startKoin {
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
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
index 409919a..7e5f162 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
@@ -1,5 +1,6 @@
 package mx.trackermap.TrackerMap.android.units
 
+import android.content.Intent
 import android.os.Bundle
 import android.util.Log
 import android.view.Gravity
@@ -12,6 +13,8 @@ import mx.trackermap.TrackerMap.android.R
 import mx.trackermap.TrackerMap.android.databinding.UnitsActivityBinding
 import mx.trackermap.TrackerMap.android.devices.DevicesFragment
 import mx.trackermap.TrackerMap.android.map.UnitMapFragment
+import mx.trackermap.TrackerMap.android.session.LoginActivity
+import mx.trackermap.TrackerMap.android.session.UserInformationActivity
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
 @DelicateCoroutinesApi
@@ -38,28 +41,9 @@ class UnitsActivity : AppCompatActivity() {
     }
 
     private fun setupEvents() {
-        binding.drawerButton.setOnClickListener {
-            binding.drawerLayout.openDrawer(binding.navigationView)
-        }
-        binding.navigationView.setNavigationItemSelectedListener {
-            when (it.itemId) {
-                R.id.nav_account -> {
-                    Toast.makeText(this, "Account button tapped!", Toast.LENGTH_SHORT).show()
-                    binding.drawerLayout.closeDrawers()
-                    false
-                }
-                R.id.nav_about -> {
-                    Toast.makeText(this, "About button tapped!", Toast.LENGTH_SHORT).show()
-                    binding.drawerLayout.closeDrawers()
-                    false
-                }
-                R.id.nav_logout -> {
-                    Toast.makeText(this, "Logout button tapped!", Toast.LENGTH_SHORT).show()
-                    binding.drawerLayout.closeDrawers()
-                    false
-                }
-                else -> false
-            }
+        binding.userButton.setOnClickListener {
+            val intent = Intent(applicationContext, UserInformationActivity::class.java)
+            startActivity(intent)
         }
         binding.displayModeToggle.setOnClickListener {
             unitsViewModel.toggleDisplayMode()