Add project files

T120B165-ImgBoard/Dtos/Post/CreatePostDto.cs

@@ -0,0 +1,34 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace T120B165_ImgBoard.Dtos.Post;
+
+public record CreatePostDto(string Title,
+    [Required]
+    string Description,
+    [Required]
+    List<string> Tags,
+    [Required]
+    string FileName,
+    [Required]
+    string FileMimeType,
+    [Required]
+    [Range(0, long.MaxValue, ErrorMessage = "The {0} must be a valid number and at least {1}.")]
+    long? FileSize
+);
+
+public record EditPostDto(string? Title, string? Description, List<string>? Tags): IValidatableObject
+{
+    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+    {
+        var allEmpty = string.IsNullOrWhiteSpace(Title) &&
+                       string.IsNullOrWhiteSpace(Description) &&
+                       Tags == null;
+        if (allEmpty)
+        {
+            yield return new ValidationResult(
+                "You must provide at least one value to edit: Title, Description, or Tags.",
+                [nameof(Title), nameof(Description), nameof(Tags)]
+            );
+        }
+    }
+}