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package com.example.taskmanagement.auth
import android.content.Context
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.inputmethod.EditorInfo
import android.widget.Toast
import androidx.fragment.app.Fragment
import androidx.navigation.fragment.findNavController
import com.example.taskmanagement.R
import com.example.taskmanagement.databinding.FragmentLoginBinding
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.firestore.FirebaseFirestore
import com.google.gson.Gson
class LoginFragment : Fragment() {
private lateinit var mAuth: FirebaseAuth
private lateinit var binding: FragmentLoginBinding
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
binding = FragmentLoginBinding.inflate(inflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
init()
val currentUser = mAuth.currentUser
if (currentUser != null) {
findNavController().navigate(R.id.action_loginFragment_to_homeFragment)
}
binding.registerBtn.setOnClickListener {
findNavController().navigate(R.id.action_loginFragment_to_registerFragment)
}
binding.loginBtn.setOnClickListener {
val email = binding.username.text.toString()
val pass = binding.password.text.toString()
when {
email.isEmpty() || pass.isEmpty() -> {
Toast.makeText(
requireContext(), getString(R.string.enter_all_field),
Toast.LENGTH_SHORT
).show()
}
else -> {
loginUser(email, pass)
}
}
}
binding.username.setOnEditorActionListener { _, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_DONE) {
val email = binding.username.text.toString()
val pass = binding.password.text.toString()
when {
email.isEmpty() || pass.isEmpty() -> {
Toast.makeText(
requireContext(), getString(R.string.enter_all_field),
Toast.LENGTH_SHORT
).show()
}
else -> {
loginUser(email, pass)
}
}
true
} else {
false
}
}
binding.password.setOnEditorActionListener { _, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_DONE) {
val email = binding.username.text.toString()
val pass = binding.password.text.toString()
when {
email.isEmpty() || pass.isEmpty() -> {
Toast.makeText(
requireContext(), getString(R.string.enter_all_field),
Toast.LENGTH_SHORT
).show()
}
else -> {
loginUser(email, pass)
}
}
true
} else {
false
}
}
}
private fun loginUser(email: String, pass: String) {
mAuth.signInWithEmailAndPassword(email, pass).addOnCompleteListener { task ->
if (task.isSuccessful) {
val userId = mAuth.currentUser?.uid
userId?.let { it ->
FirebaseFirestore.getInstance().collection("users")
.document(it)
.get()
.addOnSuccessListener { document ->
if (document.exists()) {
val user = document.toObject(User::class.java)
user?.let {
saveUserLocally(it)
Toast.makeText(
requireContext(), getString(R.string.login_succeffully),
Toast.LENGTH_SHORT
).show()
val role = document.getString("role")
saveUserRoleLocally(role)
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findNavController().navigate(R.id.action_loginFragment_to_homeFragment)
}
} else {
Toast.makeText(
requireContext(), getString(R.string.user_not_found),
Toast.LENGTH_SHORT
).show()
}
}
.addOnFailureListener { e ->
val errorMessage = getString(R.string.error_fetching_data, e.message)
Toast.makeText(requireContext(), errorMessage, Toast.LENGTH_SHORT)
.show()
}
}
} else {
val errorMessage = task.exception?.message ?: getString(R.string.login_error)
Toast.makeText(context, errorMessage, Toast.LENGTH_SHORT).show()
}
}
}
private fun saveUserLocally(user: User) {
val sharedPreferences =
requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
val editor = sharedPreferences.edit()
val gson = Gson()
val userJson = gson.toJson(user)
editor.putString("user", userJson)
editor.apply()
}
private fun saveUserRoleLocally(role: String?) {
val sharedPreferences =
requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
val editor = sharedPreferences.edit()
editor.putString("role", role)
editor.apply()
}
private fun init() {
mAuth = FirebaseAuth.getInstance()
}
}