Setup codebase

Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/utilities/Validator.cpp

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+/*
+ * File: Validator.cpp
+ * Description: Validates inputs like phone number, email, password
+ * Author: Trenser
+ * Created: 18-May-2026
+ */
+
+#include <string>
+#include <cctype>
+#include "Validator.h"
+
+ /*
+  * Function: isPhoneNumberValid
+  * Description: Validates whether the given string is a valid phone number.
+  * Parameters:
+  *     phoneNumber - string containing the phone number to validate
+  * Returns:
+  *     bool - true if the phone number is valid (10 digits, all numeric), false otherwise
+  */
+bool util::isPhoneNumberValid(const std::string& phoneNumber)
+{
+    if (phoneNumber.size() != 10)
+    {
+        return false;
+    }
+    return std::all_of(phoneNumber.begin(), phoneNumber.end(),
+        [](char character)
+        {
+            return std::isdigit(character);
+        }
+    );
+}
+
+/*
+ * Function: isEmailValid
+ * Description: Validates whether the given string is a properly formatted email address.
+ * Parameters:
+ *     email - string containing the email address to validate
+ * Returns:
+ *     bool - true if the email contains exactly one '@' character and is not at the start or end, false otherwise
+ */
+bool util::isEmailValid(const std::string& email)
+{
+    size_t index = email.find('@');
+    if (index == std::string::npos)
+    {
+        return false;
+    }
+    if (email.find('@', index + 1) != std::string::npos)
+    {
+        return false;
+    }
+    if (index == 0 || index == email.size() - 1)
+    {
+        return false;
+    }
+    return true;
+}
+
+/*
+ * Function: isPasswordValid
+ * Description: Validates whether the given string meets password requirements.
+ * Parameters:
+ *     password - string containing the password to validate
+ * Returns:
+ *     bool - true if the password is valid, false otherwise
+ * Notes:
+ *     - Must not equal the default password
+ *     - Must be at least 8 characters long
+ *     - Must contain at least one uppercase letter, one lowercase letter,
+ *       one digit, and one special character
+ *     - Must not contain whitespace
+ */
+bool util::isPasswordValid(const std::string& password)
+{
+    if (password.length() < 8)
+    {
+        return false;
+    }
+    bool hasUpper = false;
+    bool hasLower = false;
+    bool hasDigit = false;
+    bool hasSpecial = false;
+    for (char character : password)
+    {
+        if (std::isspace(static_cast<unsigned char>(character)))
+        {
+            return false;
+        }
+        if (std::isupper(static_cast<unsigned char>(character)))
+        {
+            hasUpper = true;
+        }
+        else if (std::islower(static_cast<unsigned char>(character)))
+        {
+            hasLower = true;
+        }
+        else if (std::isdigit(static_cast<unsigned char>(character)))
+        {
+            hasDigit = true;
+        }
+        else
+        {
+            hasSpecial = true;
+        }
+    }
+
+    return hasUpper && hasLower && hasDigit && hasSpecial;
+}