Merge pull request #51 from marcominerva/develop

Add PaginatedListResult class

samples/MinimalApis/OperationResults.Sample/Program.cs

@@ -118,4 +118,4 @@
 .Produces(StatusCodes.Status404NotFound)
 .WithOpenApi();
 
-app.Run();
+app.Run();

src/OperationResults/PaginatedListResult{ofT}.cs

@@ -0,0 +1,40 @@
+namespace OperationResults;
+
+public class PaginatedListResult<T>
+{
+    public IEnumerable<T>? Items { get; set; }
+
+    public int PageIndex { get; set; }
+
+    public int PageSize { get; set; }
+
+    public int TotalCount { get; set; }
+
+    public bool HasNextPage { get; set; }
+
+    public PaginatedListResult()
+    {
+    }
+
+    public PaginatedListResult(IEnumerable<T>? items, int totalCount, int pageIndex, int pageSize = 0)
+    {
+        Items = items;
+        TotalCount = totalCount;
+        PageIndex = pageIndex;
+        PageSize = pageSize > 0 ? pageSize : items?.Count() ?? 0;
+        HasNextPage = totalCount > (pageIndex * PageSize) + (items?.Count() ?? 0);
+    }
+
+    public PaginatedListResult(IEnumerable<T>? items, bool hasNextPage = false) : this(items, items?.Count() ?? 0, hasNextPage)
+    {
+    }
+
+    public PaginatedListResult(IEnumerable<T>? items, int totalCount, bool hasNextPage = false)
+    {
+        Items = items;
+        TotalCount = totalCount;
+        PageIndex = 0;
+        PageSize = items?.Count() ?? 0;
+        HasNextPage = items?.Count() != totalCount && hasNextPage;
+    }
+}