Start AddAccountActivity implementation

app/src/main/java/gq/kirmanak/mealient/ui/addaccount/AddAccountActivity.kt

@@ -0,0 +1,19 @@
+package gq.kirmanak.mealient.ui.addaccount
+
+import android.os.Bundle
+import android.os.PersistableBundle
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import dagger.hilt.android.AndroidEntryPoint
+import gq.kirmanak.mealient.R
+
+@AndroidEntryPoint
+class AddAccountActivity : AppCompatActivity() {
+
+    private val viewModel by viewModels<AddAccountViewModel>()
+
+    override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
+        super.onCreate(savedInstanceState, persistentState)
+        supportActionBar?.title = getString(R.string.app_name)
+    }
+}

app/src/main/java/gq/kirmanak/mealient/ui/addaccount/AddAccountFragment.kt

@@ -0,0 +1,64 @@
+package gq.kirmanak.mealient.ui.addaccount
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.lifecycleScope
+import by.kirich1409.viewbindingdelegate.viewBinding
+import dagger.hilt.android.AndroidEntryPoint
+import gq.kirmanak.mealient.R
+import gq.kirmanak.mealient.data.network.NetworkError
+import gq.kirmanak.mealient.databinding.FragmentAuthenticationBinding
+import gq.kirmanak.mealient.extensions.checkIfInputIsEmpty
+import kotlinx.coroutines.launch
+import timber.log.Timber
+
+@AndroidEntryPoint
+class AddAccountFragment : Fragment(R.layout.fragment_authentication) {
+
+    private val binding by viewBinding(FragmentAuthenticationBinding::bind)
+    private val viewModel by activityViewModels<AddAccountViewModel>()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        Timber.v("onViewCreated() called with: view = $view, savedInstanceState = $savedInstanceState")
+        binding.button.setOnClickListener { onLoginClicked() }
+    }
+
+    private fun onLoginClicked(): Unit = with(binding) {
+        Timber.v("onLoginClicked() called")
+
+        val email: String = emailInput.checkIfInputIsEmpty(
+            inputLayout = emailInputLayout,
+            lifecycleOwner = viewLifecycleOwner,
+            stringId = R.string.fragment_authentication_email_input_empty,
+        ) ?: return
+
+        val pass: String = passwordInput.checkIfInputIsEmpty(
+            inputLayout = passwordInputLayout,
+            lifecycleOwner = viewLifecycleOwner,
+            stringId = R.string.fragment_authentication_password_input_empty,
+            trim = false,
+        ) ?: return
+
+        button.isClickable = false
+        viewLifecycleOwner.lifecycleScope.launch {
+            onAuthenticationResult(viewModel.authenticate(email, pass))
+        }
+    }
+
+    private fun onAuthenticationResult(result: Result<Unit>) {
+        Timber.v("onAuthenticationResult() called with: result = $result")
+        if (result.isSuccess) {
+            TODO("Implement authentication success")
+        }
+
+        binding.passwordInputLayout.error = when (result.exceptionOrNull()) {
+            is NetworkError.Unauthorized -> getString(R.string.fragment_authentication_credentials_incorrect)
+            else -> null
+        }
+
+        binding.button.isClickable = true
+    }
+}

app/src/main/java/gq/kirmanak/mealient/ui/addaccount/AddAccountViewModel.kt

@@ -0,0 +1,20 @@
+package gq.kirmanak.mealient.ui.addaccount
+
+import androidx.lifecycle.ViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import gq.kirmanak.mealient.data.auth.AuthRepo
+import gq.kirmanak.mealient.extensions.runCatchingExceptCancel
+import timber.log.Timber
+
+@HiltViewModel
+class AddAccountViewModel(
+    private val authRepo: AuthRepo,
+) : ViewModel() {
+
+    suspend fun authenticate(username: String, password: String) = runCatchingExceptCancel {
+        Timber.v("authenticate() called with: username = $username, password = $password")
+        authRepo.authenticate(username, password)
+    }.onFailure {
+        Timber.e(it, "authenticate: can't authenticate")
+    }
+}