Excel export

SchengenVisaApi/ApplicationLayer/Services/VisaApplications/Models/VisaApplicationModel.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System.Text;
 using ApplicationLayer.Services.Applicants.Models;
 using Domains.VisaApplicationDomain;
 
@@ -33,8 +34,7 @@ public class VisaApplicationModel
     /// <inheritdoc cref="VisaApplication.PermissionToDestCountry" />
     public PermissionToDestCountryModel? PermissionToDestCountry { get; set; }
 
-    [Required]
-    public List<PastVisitModel> PastVisits { get; set; } = null!;
+    [Required] public List<PastVisitModel> PastVisits { get; set; } = null!;
 
     /// <inheritdoc cref="VisaApplication.VisaCategory" />
     [Required]
@@ -55,4 +55,35 @@ public class VisaApplicationModel
     /// <inheritdoc cref="VisaApplication.ValidDaysRequested" />
     [Required]
     public int ValidDaysRequested { get; set; }
+
+    public string ForGroupToString() => ForGroup ? "For group" : "Individual";
+
+    public string PastVisasToString()
+    {
+        var stringBuilder = new StringBuilder();
+        foreach (var visa in PastVisas)
+        {
+            stringBuilder.AppendLine($"{visa.Name} issued at {visa.IssueDate.ToShortDateString()} and valid for {visa.ExpirationDate.ToShortDateString()}");
+        }
+
+        return stringBuilder.ToString();
+    }
+
+    public string PastVisitsToString()
+    {
+        var stringBuilder = new StringBuilder();
+        foreach (var visit in PastVisits)
+        {
+            stringBuilder.AppendLine($"Visit to {visit.DestinationCountry} started at {visit.StartDate.ToShortDateString()} and ends {visit.EndDate.ToShortDateString()}");
+        }
+
+        return stringBuilder.ToString();
+    }
+
+    public string PermissionToDestCountryToString()
+    {
+        return VisaCategory is VisaCategory.Transit
+            ? $"Issued by{PermissionToDestCountry!.Issuer}, expires at {PermissionToDestCountry.ExpirationDate.ToShortDateString()}"
+            : "Non-transit";
+    }
 }