Added validation and fixed errors

SchengenVisaApi/ApplicationLayer/Services/Applicants/Models/PlaceOfWorkModel.cs

@@ -0,0 +1,16 @@
+using Domains.ApplicantDomain;
+
+namespace ApplicationLayer.Services.Applicants.Models
+{
+    public class PlaceOfWorkModel
+    {
+        /// Name of hirer
+        public string Name { get; set; } = null!;
+
+        /// Address of hirer
+        public Address Address { get; set; } = null!;
+
+        /// Phone number of hirer
+        public string PhoneNum { get; set; } = null!;
+    }
+}

SchengenVisaApi/ApplicationLayer/Services/Applicants/NeededServices/IApplicantsRepository.cs

@@ -11,4 +11,7 @@ public interface IApplicantsRepository : IGenericRepository<Applicant>
 
     /// Get identifier of applicant by user identifier
     Task<Guid> GetApplicantIdByUserId(Guid userId, CancellationToken cancellationToken);
+
+    /// Returns value of NonResident property of applicant
+    Task<bool> IsApplicantNonResidentByUserId(Guid userId, CancellationToken cancellationToken);
 }