UNT-T21169 - Bugfix Login Issue

app/src/main/java/simform/gitexcercise/android/LoginActivity.kt

@@ -5,6 +5,8 @@ import android.os.Bundle
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import simform.gitexcercise.android.databinding.ActivityLoginBinding
+import simform.gitexcercise.android.validation.Validator
+import simform.gitexcercise.android.validation.Validator.ValidCredentials
 
 class LoginActivity : AppCompatActivity() {
 
@@ -19,15 +21,40 @@ class LoginActivity : AppCompatActivity() {
 
     private fun setupOnClicks() = with(binding) {
         btnLogin.setOnClickListener {
-            Toast.makeText(
-                this@LoginActivity,
-                getString(R.string.msg_login_successfully),
-                Toast.LENGTH_SHORT
-            ).show()
-            val intent = Intent(this@LoginActivity, ProfileActivity::class.java).apply {
-                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK)
+            performLogin()
+        }
+        tvForgotPassword.setOnClickListener {
+            startActivity(Intent(this@LoginActivity, ForgotPasswordActivity::class.java))
+        }
+    }
+
+    private fun performLogin() = with(binding) {
+        val txtEmail = etEmail.text.trim().toString()
+        val txtPassword = etPassword.text.trim().toString()
+        when (Validator.isValidCredentials(email = txtEmail, password = txtPassword)) {
+            ValidCredentials.VALID -> {
+                Toast.makeText(
+                    this@LoginActivity,
+                    getString(R.string.msg_login_successfully),
+                    Toast.LENGTH_SHORT
+                ).show()
+                gotoProfile()
+            }
+
+            ValidCredentials.INVALID_EMAIL -> {
+                etEmail.error = getString(R.string.errr_valid_email)
             }
-            startActivity(intent)
+
+            ValidCredentials.INVALID_PASSWORD -> {
+                etPassword.error = getString(R.string.err_password_8_chars)
+            }
+        }
+    }
+
+    private fun gotoProfile() {
+        val intent = Intent(this@LoginActivity, ProfileActivity::class.java).apply {
+            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK)
         }
+        startActivity(intent)
     }
 }

app/src/main/java/simform/gitexcercise/android/validation/Validator.kt

@@ -0,0 +1,25 @@
+package simform.gitexcercise.android.validation
+
+object Validator {
+
+    object Password {
+        const val MIN_LENGTH = 8
+        const val MAX_LENGTH = 16
+    }
+
+    enum class ValidCredentials {
+        VALID, INVALID_EMAIL, INVALID_PASSWORD
+    }
+
+    fun isValidCredentials(email: String, password: String): ValidCredentials {
+        if (!isValidEmail(email)) return ValidCredentials.INVALID_EMAIL
+        if (!isValidPassword(password)) return ValidCredentials.INVALID_PASSWORD
+        return ValidCredentials.VALID
+    }
+
+    fun isValidEmail(email: String) =
+        android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()
+
+    fun isValidPassword(password: String): Boolean =
+        password.isNotBlank() && password.length in Password.MIN_LENGTH..Password.MAX_LENGTH
+}

app/src/main/res/values/strings.xml

@@ -17,4 +17,6 @@
     <string name="msg_upcoming_feature">To be Implemented Soon!!</string>
     <string name="action_edit">Edit</string>
     <string name="data_priyashu_email">[email protected]</string>
+    <string name="err_password_8_chars">Password must be of at least 8 Characters</string>
+    <string name="errr_valid_email">Enter valid Email</string>
 </resources>