{"id":86847,"date":"2024-12-05T04:08:44","date_gmt":"2024-12-05T00:38:44","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/refactoring-complex-conditions-clean-code-solutions-for-nested-if-statements-pg1\/"},"modified":"2024-12-05T04:08:44","modified_gmt":"2024-12-05T00:38:44","slug":"refactoring-complex-conditions-clean-code-solutions-for-nested-if-statements-pg1","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/refactoring-complex-conditions-clean-code-solutions-for-nested-if-statements-pg1\/","title":{"rendered":"Refactoring Complex Conditions: Clean Code Solutions for Nested If Statements"},"content":{"rendered":"

Summarize this content to 400 words in Persian Lang
\n \u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0628\u0627\u0631\u0627\u062a \u062a\u0648 \u062f\u0631 \u062a\u0648 \u0631\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0628\u0631\u0627\u06cc \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062a\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647\u060c \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u0628\u0646\u062f \u0646\u06af\u0647\u0628\u0627\u0646\u06cc\u060c \u0627\u0644\u06af\u0648\u0647\u0627 \u0648 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u06a9\u0634\u0641 \u06a9\u0646\u06cc\u062f.<\/p>\n

\u0633\u0646\u0627\u0631\u06cc\u0648: \u0639\u0628\u0627\u0631\u0627\u062a \u0627\u06af\u0631 \u062a\u0648\u062f\u0631\u062a\u0648<\/p>\n

\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u062f\u0633\u062a\u0631\u0633\u06cc \u06a9\u0627\u0631\u0628\u0631 \u062f\u0627\u0631\u06cc\u062f. \u062f\u0631 \u0646\u06af\u0627\u0647 \u0627\u0648\u0644 \u0633\u0627\u062f\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n

if (user != null)
\n{
\n if (user.IsActive)
\n {
\n if (user.Role == “Admin”)
\n {
\n if (user.HasPermission(“View”))
\n {
\n Console.WriteLine(“Access granted”);
\n }
\n else
\n {
\n Console.WriteLine(“Permission denied”);
\n }
\n }
\n else
\n {
\n Console.WriteLine(“Role not authorized”);
\n }
\n }
\n else
\n {
\n Console.WriteLine(“User is not active”);
\n }
\n}
\nelse
\n{
\n Console.WriteLine(“User not found”);
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0686\u0631\u0627 Refactor\u061f<\/p>\n

\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u062f \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0645\u0634\u06a9\u0644\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u06cc \u0628\u0627 \u0627\u06cc\u0646 \u062a\u0648\u062f\u0631\u062a\u0648 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f if \u0633\u0627\u062e\u062a\u0627\u0631:<\/p>\n

\u06a9\u0627\u0647\u0634 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc\u0647\u0631\u0686\u0647 \u0644\u0627\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u06cc\u0642 \u062a\u0631 \u0628\u0627\u0634\u062f\u060c \u062f\u0631\u06a9 \u062c\u0631\u06cc\u0627\u0646 \u0645\u0646\u0637\u0642 \u062f\u0631 \u06cc\u06a9 \u0646\u06af\u0627\u0647 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062a\u0644\u0627\u0634 \u0630\u0647\u0646\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u062f\u0631\u06a9 \u06a9\u062f \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f.
\n\u0627\u0641\u0632\u0627\u06cc\u0634 \u0628\u0627\u0631 \u0634\u0646\u0627\u062e\u062a\u06cc\u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0644\u0627\u06cc\u0647 \u0627\u0632 \u0634\u0631\u0627\u06cc\u0637\u060c \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0628\u0627\u06cc\u062f \u0632\u0645\u06cc\u0646\u0647 \u0647\u0631 \u0644\u0627\u06cc\u0647 \u0631\u0627 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u06a9\u0646\u0646\u062f\u060c \u0648 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0645\u0646\u0637\u0642 \u0631\u0627 \u062f\u0634\u0648\u0627\u0631\u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.
\n\u0642\u0627\u0628\u0644\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0636\u0639\u06cc\u0641\u0627\u06af\u0631 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0635\u0644\u0627\u062d\u060c \u06af\u0633\u062a\u0631\u0634 \u06cc\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u0646\u0637\u0642 \u062f\u0627\u0631\u06cc\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0634\u0631\u0637 \u062c\u062f\u06cc\u062f \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc)\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u062f\u0642\u062a \u0633\u0627\u062e\u062a\u0627\u0631 \u062a\u0648\u062f\u0631\u062a\u0648 \u0631\u0627 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f \u0648 \u062e\u0637\u0631 \u062e\u0637\u0627 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u06cc\u062f.
\n\u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u062a\u0633\u062a\u062a\u0633\u062a\u200c\u0647\u0627\u06cc \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u0634\u0631\u0627\u06cc\u0637 \u0639\u0645\u06cc\u0642 \u062a\u0648 \u062f\u0631 \u062a\u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0633\u062a \u0648 \u067e\u0627 \u06af\u06cc\u0631 \u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u0647\u0631 \u0634\u0631\u0627\u06cc\u0637\u06cc \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0648 \u062a\u0623\u06cc\u06cc\u062f \u0628\u0631\u0627\u06cc \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f \u062f\u0627\u0631\u062f.
\n\u0646\u0642\u0636 \u0627\u0635\u0648\u0644 \u06a9\u062f \u067e\u0627\u06a9\u062a\u0648 \u062f\u0631 \u062a\u0648 if \u0628\u0644\u0648\u06a9\u200c\u0647\u0627 \u0628\u0627 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u062a\u0645\u06cc\u0632 \u0645\u0627\u0646\u0646\u062f \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0648\u0627\u062d\u062f \u0648 \u062e\u0631\u0648\u062c \u0632\u0648\u062f\u0647\u0646\u06af\u0627\u0645\u060c \u06a9\u0647 \u0645\u0646\u0637\u0642 \u0631\u0648\u0634\u0646 \u0648 \u0645\u062e\u062a\u0635\u0631 \u0631\u0627 \u062a\u0631\u0648\u06cc\u062c \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n

\u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc Refactoring<\/p>\n

\u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u062e\u062a\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0686\u0627\u0644\u0634 \u0647\u0627\u060c \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u062a\u0648\u062f\u0631\u062a\u0648 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f if \u0628\u0644\u0648\u06a9 \u0647\u0627:<\/p>\n

\u0628\u0646\u062f\u0647\u0627\u06cc \u0646\u06af\u0647\u0628\u0627\u0646\u06cc\u0628\u0631\u0627\u06cc \u062d\u0630\u0641 \u062a\u0648\u062f\u0631\u062a\u0648\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0648 \u0628\u0647\u0628\u0648\u062f \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc\u060c \u0632\u0648\u062f\u062a\u0631 \u0627\u0632 \u0622\u0646 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f.
\n\u062a\u063a\u06cc\u06cc\u0631 \u0639\u0628\u0627\u0631\u0627\u062a\u0627\u0632 \u0639\u0628\u0627\u0631\u0627\u062a \u0645\u062e\u062a\u0635\u0631 \u0628\u0631\u0627\u06cc \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u0633\u0627\u062f\u0647 \u0628\u0627 \u0646\u062a\u0627\u06cc\u062c \u0645\u062a\u0639\u062f\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.
\n\u0627\u0644\u06af\u0648\u06cc \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u0642\u0648\u0627\u0646\u06cc\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u0631\u0627 \u062f\u0631 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u200c\u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0648 \u0642\u0627\u0628\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.
\n\u0627\u0644\u06af\u0648\u06cc \u0645\u0634\u062e\u0635\u0627\u062a\u0686\u0646\u062f\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637 \u0631\u0627 \u062f\u0631 \u0645\u0634\u062e\u0635\u0627\u062a \u0648\u0627\u0636\u062d \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.
\n\u0686\u0646\u062f \u0634\u06a9\u0644\u06cc\u0627\u0632 \u0627\u0635\u0648\u0644 \u0634\u06cc \u06af\u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0648\u06cc\u0627 \u0645\u0646\u0637\u0642 \u062e\u0627\u0635 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n

\u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0627\u0631\u0645\u063a\u0627\u0646 \u0645\u06cc \u0622\u0648\u0631\u062f\u060c \u0627\u0632 \u0633\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642 \u06af\u0631\u0641\u062a\u0647 \u062a\u0627 \u0628\u0647\u0628\u0648\u062f \u062a\u0633\u062a \u067e\u0630\u06cc\u0631\u06cc. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0647\u0631 \u06af\u0632\u06cc\u0646\u0647 \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n

1. \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0628\u0627 \u0628\u0646\u062f\u0647\u0627\u06cc \u0646\u06af\u0647\u0628\u0627\u0646\u06cc<\/p>\n

\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644:<\/p>\n

public class User
\n{
\n public string Name { get; set; }
\n public bool IsActive { get; set; }
\n public string Role { get; set; }
\n public List<string> Permissions { get; set; } = new List<string>();<\/p>\n

public bool HasPermission(string permission) => Permissions.Contains(permission);
\n}<\/p>\n

public class Program
\n{
\n public static void Main()
\n {
\n User user = new User
\n {
\n Name = “John Doe”,
\n IsActive = true,
\n Role = “Admin”,
\n Permissions = new List<string> { “View”, “Edit” }
\n };<\/p>\n

CheckAccess(user);
\n }<\/p>\n

public static void CheckAccess(User user)
\n {
\n if (user == null)
\n {
\n Console.WriteLine(“User not found”);
\n return;
\n }<\/p>\n

if (!user.IsActive)
\n {
\n Console.WriteLine(“User is not active”);
\n return;
\n }<\/p>\n

if (user.Role != “Admin”)
\n {
\n Console.WriteLine(“Role not authorized”);
\n return;
\n }<\/p>\n

if (!user.HasPermission(“View”))
\n {
\n Console.WriteLine(“Permission denied”);
\n return;
\n }<\/p>\n

Console.WriteLine(“Access granted”);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

2. Refactoring \u0628\u0627 Switch Expression<\/p>\n

\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644:<\/p>\n

public class User
\n{
\n public string Name { get; set; }
\n public bool IsActive { get; set; }
\n public string Role { get; set; }
\n public List<string> Permissions { get; set; } = new List<string>();<\/p>\n

public bool HasPermission(string permission) => Permissions.Contains(permission);
\n}<\/p>\n

public class Program
\n{
\n public static void Main()
\n {
\n User user = new User
\n {
\n Name = “John Doe”,
\n IsActive = true,
\n Role = “Admin”,
\n Permissions = new List<string> { “View” }
\n };<\/p>\n

var result = (user != null, user?.IsActive, user?.Role, user?.HasPermission(“View”)) switch
\n {
\n (false, _, _, _) => “User not found”,
\n (true, false, _, _) => “User is not active”,
\n (true, true, “Admin”, false) => “Permission denied”,
\n (true, true, “Admin”, true) => “Access granted”,
\n _ => “Role not authorized”
\n };<\/p>\n

Console.WriteLine(result);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

3. \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0628\u0627 \u0627\u0644\u06af\u0648\u06cc \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc<\/p>\n

\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644:<\/p>\n

public class User
\n{
\n public string Name { get; set; }
\n public bool IsActive { get; set; }
\n public string Role { get; set; }
\n public List<string> Permissions { get; set; } = new List<string>();<\/p>\n

public bool HasPermission(string permission) => Permissions.Contains(permission);
\n}<\/p>\n

public interface IAccessStrategy
\n{
\n bool CanAccess(User user);
\n string Message { get; }
\n}<\/p>\n

public class UserNotFoundStrategy : IAccessStrategy
\n{
\n public string Message => “User not found”;
\n public bool CanAccess(User user) => user == null;
\n}<\/p>\n

public class UserNotActiveStrategy : IAccessStrategy
\n{
\n public string Message => “User is not active”;
\n public bool CanAccess(User user) => user != null && !user.IsActive;
\n}<\/p>\n

public class RoleNotAuthorizedStrategy : IAccessStrategy
\n{
\n public string Message => “Role not authorized”;
\n public bool CanAccess(User user) => user != null && user.IsActive && user.Role != “Admin”;
\n}<\/p>\n

public class PermissionDeniedStrategy : IAccessStrategy
\n{
\n public string Message => “Permission denied”;
\n public bool CanAccess(User user) => user != null && user.IsActive && user.Role == “Admin” && !user.HasPermission(“View”);
\n}<\/p>\n

public class AccessGrantedStrategy : IAccessStrategy
\n{
\n public string Message => “Access granted”;
\n public bool CanAccess(User user) => user != null && user.IsActive && user.Role == “Admin” && user.HasPermission(“View”);
\n}<\/p>\n

public class Program
\n{
\n public static void Main()
\n {
\n User user = new User
\n {
\n Name = “John Doe”,
\n IsActive = true,
\n Role = “Admin”,
\n Permissions = new List<string> { “Edit” }
\n };<\/p>\n

var strategies = new List<IAccessStrategy>
\n {
\n new UserNotFoundStrategy(),
\n new UserNotActiveStrategy(),
\n new RoleNotAuthorizedStrategy(),
\n new PermissionDeniedStrategy(),
\n new AccessGrantedStrategy()
\n };<\/p>\n

var applicableStrategy = strategies.FirstOrDefault(s => s.CanAccess(user));
\n Console.WriteLine(applicableStrategy?.Message ?? “Unknown error”);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

4. Refactoring \u0628\u0627 \u0627\u0644\u06af\u0648\u06cc \u0645\u0634\u062e\u0635\u0627\u062a<\/p>\n

\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644:<\/p>\n

public class User
\n{
\n public string Name { get; set; }
\n public bool IsActive { get; set; }
\n public string Role { get; set; }
\n public List<string> Permissions { get; set; } = new List<string>();<\/p>\n

public bool HasPermission(string permission) => Permissions.Contains(permission);
\n}<\/p>\n

public interface ISpecification<T>
\n{
\n bool IsSatisfiedBy(T entity);
\n}<\/p>\n

public class IsUserActiveSpecification : ISpecification<User>
\n{
\n public bool IsSatisfiedBy(User user) => user != null && user.IsActive;
\n}<\/p>\n

public class IsAdminSpecification : ISpecification<User>
\n{
\n public bool IsSatisfiedBy(User user) => user != null && user.Role == “Admin”;
\n}<\/p>\n

public class HasPermissionSpecification : ISpecification<User>
\n{
\n private readonly string _permission;
\n public HasPermissionSpecification(string permission) => _permission = permission;<\/p>\n

public bool IsSatisfiedBy(User user) => user != null && user.HasPermission(_permission);
\n}<\/p>\n

public class AccessSpecification : ISpecification<User>
\n{
\n public bool IsSatisfiedBy(User user) =>
\n new IsUserActiveSpecification().IsSatisfiedBy(user) &&
\n new IsAdminSpecification().IsSatisfiedBy(user) &&
\n new HasPermissionSpecification(“View”).IsSatisfiedBy(user);
\n}<\/p>\n

public class Program
\n{
\n public static void Main()
\n {
\n User user = new User
\n {
\n Name = “John Doe”,
\n IsActive = true,
\n Role = “Admin”,
\n Permissions = new List<string> { “View”, “Edit” }
\n };<\/p>\n

var accessSpec = new AccessSpecification();<\/p>\n

if (accessSpec.IsSatisfiedBy(user))
\n Console.WriteLine(“Access granted”);
\n else
\n Console.WriteLine(“Access denied”);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

5. \u0628\u0627\u0632\u0633\u0627\u0632\u06cc \u0628\u0627 \u067e\u0644\u06cc \u0645\u0648\u0631\u0641\u06cc\u0633\u0645<\/p>\n

\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644:<\/p>\n

public abstract class User
\n{
\n public abstract bool CanAccess();
\n public abstract string Message { get; }
\n}<\/p>\n

public class GuestUser : User
\n{
\n public override bool CanAccess() => false;
\n public override string Message => “User not found”;
\n}<\/p>\n

public class InactiveUser : User
\n{
\n public override bool CanAccess() => false;
\n public override string Message => “User is not active”;
\n}<\/p>\n

public class AdminUser : User
\n{
\n private readonly List<string> _permissions;<\/p>\n

public AdminUser(List<string> permissions)
\n {
\n _permissions = permissions;
\n }<\/p>\n

public override bool CanAccess() => _permissions.Contains(“View”);
\n public override string Message => CanAccess() ? “Access granted” : “Permission denied”;
\n}<\/p>\n

public class Program
\n{
\n public static void Main()
\n {
\n User user = new AdminUser(new List<string> { “Edit” });
\n Console.WriteLine(user.Message);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0647\u0631 \u0645\u062b\u0627\u0644 \u06cc\u06a9 \u0631\u0627\u0647 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc refactor \u062a\u0648\u062f\u0631\u062a\u0648 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f if \u0628\u0644\u0648\u06a9 \u0647\u0627 \u0627\u06cc\u0646 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627 \u0645\u0633\u062a\u0642\u0644\u060c \u06a9\u0627\u0645\u0644 \u0648 \u0622\u0645\u0627\u062f\u0647 \u0627\u062c\u0631\u0627 \u0647\u0633\u062a\u0646\u062f. \u0627\u06af\u0631 \u0645\u0627\u06cc\u0644 \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0628\u06cc\u0634\u062a\u0631 \u06cc\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u0647\u0633\u062a\u06cc\u062f\u060c \u0628\u0647 \u0645\u0646 \u0627\u0637\u0644\u0627\u0639 \u062f\u0647\u06cc\u062f!<\/p>\n

\n

\u0628\u06cc\u0627\u0645\u0648\u0632\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0639\u0628\u0627\u0631\u0627\u062a \u062a\u0648 \u062f\u0631 \u062a\u0648 \u0631\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0628\u0631\u0627\u06cc \u06a9\u062f\u0647\u0627\u06cc \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062a\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647\u060c \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u0628\u0646\u062f \u0646\u06af\u0647\u0628\u0627\u0646\u06cc\u060c \u0627\u0644\u06af\u0648\u0647\u0627 \u0648 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u06a9\u0634\u0641 \u06a9\u0646\u06cc\u062f.<\/p>\n

\n
\n

\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n