模型自动验证机制

src/HelloShop.IdentityService/Validations/Users/UserCreateRequestValidator.cs

@@ -0,0 +1,24 @@
+using FluentValidation;
+using HelloShop.IdentityService.Entities;
+using HelloShop.IdentityService.EntityFrameworks;
+using HelloShop.IdentityService.Models.Users;
+using Microsoft.EntityFrameworkCore;
+
+namespace HelloShop.IdentityService.Validations.Users;
+
+public class UserCreateRequestValidator : AbstractValidator<UserCreateRequest>
+{
+    public UserCreateRequestValidator(IdentityServiceDbContext dbContext)
+    {
+        RuleFor(m => m.UserName).NotNull().NotEmpty().Length(8, 16).Matches("^[a-zA-Z]+$");
+
+        RuleFor(m => m.PhoneNumber).NotNull().NotEmpty().Length(11).Matches(@"^1\d{10}$").Must((phoneNumber) =>
+        {
+            return !dbContext.Set<User>().Any(e => e.PhoneNumber == phoneNumber);
+        });
+
+        RuleFor(m => m.Password).NotNull().NotEmpty().Length(8, 16);
+
+        RuleFor(m => m.Email).EmailAddress().Length(8, 32);
+    }
+}