feature(#17): this commit introduces a fluent class for building query parameters, improving the SDK's usability

Author: https-richardy

Packages/Federation.Sdk/Source/Filtering/UserFilters.cs

@@ -0,0 +1,73 @@
+namespace HttpsRichardy.Federation.Sdk.Filtering;
+
+public sealed class UserFilters
+{
+    internal string? Id { get; private set; }
+    internal string? Username { get; private set; }
+
+    internal bool? IsDeleted { get; private set; }
+
+    internal int PageNumber { get; private set; } = 1;
+    internal int PageSize { get; private set; } = 60;
+
+    public UserFilters WithIdentifier(string identifier)
+    {
+        if (!string.IsNullOrWhiteSpace(identifier))
+        {
+            Id = identifier.Trim();
+        }
+
+        return this;
+    }
+
+    public UserFilters WithUsername(string username)
+    {
+        if (!string.IsNullOrWhiteSpace(username))
+        {
+            Username = username.Trim();
+        }
+
+        return this;
+    }
+
+    public UserFilters WithIsDeleted(bool? isDeleted)
+    {
+        IsDeleted = isDeleted;
+        return this;
+    }
+
+    public UserFilters WithPageNumber(int pageNumber)
+    {
+        if (pageNumber > 0)
+        {
+            PageNumber = pageNumber;
+        }
+
+        return this;
+    }
+
+    public UserFilters WithPageSize(int pageSize)
+    {
+        if (pageSize > 0)
+        {
+            PageSize = pageSize;
+        }
+
+        return this;
+    }
+
+    public static UsersFetchParameters WithoutFilters => new();
+    public static UserFilters AsBuilder() => new();
+
+    public UsersFetchParameters Build()
+    {
+        return new UsersFetchParameters
+        {
+            Id = Id,
+            Username = Username,
+            IsDeleted = IsDeleted,
+            PageNumber = PageNumber,
+            PageSize = PageSize
+        };
+    }
+}