mark required fields

GerbilManagerWebAPI/Dtos/BreederDto.cs

@@ -3,6 +3,6 @@ namespace GerbilManagerWebAPI.Dtos
         public record BreederDto
     {
         public Guid Id { get; init; }
-        public string Name { get; init; }
+        public required string Name { get; init; }
     }
 }

GerbilManagerWebAPI/Dtos/CreateBreederDto.cs

@@ -2,6 +2,6 @@ namespace GerbilManagerWebAPI.Dtos
 {
     public record CreateBreederDto
     {
-        public string Name { get; init; }
+        public required string Name { get; init; }
     }
 }

GerbilManagerWebAPI/Dtos/CreateGerbilDto.cs

@@ -2,10 +2,10 @@ namespace GerbilManagerWebAPI.Dtos
 {
     public record CreateGerbilDto
     {
-        public string Name { get; init; }
-        public GenderDto Gender { get; init; }
-        public Guid Litter { get; init; }
-        public Guid Breeder { get; init; }
+        public required string Name { get; init; }
+        public required GenderDto Gender { get; init; }
+        public Guid? Litter { get; init; }
+        public Guid? Breeder { get; init; }
     }
     
 }

GerbilManagerWebAPI/Dtos/CreateLitterDto.cs

@@ -2,10 +2,10 @@ namespace GerbilManagerWebAPI.Dtos
 {
         public record CreateLitterDto
     {
-        public string Name { get; init; }
-        public DateTime Date { get; init; }
-        public int Strength { get; init; }
-        public Guid Father { get; init; }
-        public Guid Mother { get; init; }
+        public required string Name { get; init; }
+        public required DateTime Date { get; init; }
+        public int? Strength { get; init; }
+        public Guid? Father { get; init; }
+        public Guid? Mother { get; init; }
     }
 }

GerbilManagerWebAPI/Dtos/GerbilDto.cs

@@ -3,8 +3,8 @@ namespace GerbilManagerWebAPI.Dtos
     public record GerbilDto
     {
         public Guid Id { get; init; }
-        public string Name { get; init; }
-        public GenderDto Gender { get; init; }
+        public required string Name { get; init; }
+        public required GenderDto Gender { get; init; }
         public LitterDto? Litter { get; init; }
         public BreederDto? Breeder { get; init; }
     }

GerbilManagerWebAPI/Dtos/LitterDto.cs

@@ -3,10 +3,10 @@ namespace GerbilManagerWebAPI.Dtos
     public record LitterDto
     {
         public Guid Id { get; init; }
-        public string Name { get; init; }
-        public DateTime Date { get; init; }
-        public int Strength { get; init; }
-        public GerbilDto Father { get; init; }
-        public GerbilDto Mother { get; init; }
+        public required string Name { get; init; }
+        public required DateTime Date { get; init; }
+        public int? Strength { get; init; }
+        public GerbilDto? Father { get; init; }
+        public GerbilDto? Mother { get; init; }
     }
 }

GerbilManagerWebAPI/Models/Breeder.cs

@@ -6,6 +6,6 @@ namespace GerbilManagerWebAPI.Models
     {
         [Key]
         public Guid Id { get; init; }
-        public string? Name { get; init; }
+        public required string Name { get; init; }
     }
 }

GerbilManagerWebAPI/Models/Litter.cs

@@ -6,9 +6,9 @@ namespace GerbilManagerWebAPI.Models
     {
         [Key]
         public Guid Id { get; init; }
-        public string? Name { get; init; }
-        public DateTime Date { get; init; }
-        public int Strength { get; init; }
+        public required string Name { get; init; }
+        public required DateTime Date { get; init; }
+        public int? Strength { get; init; }
         public Gerbil? Father { get; init; }
         public Gerbil? Mother { get; init; }
     }