(feature): paged request lower case comparison

src/MaksIT.Core.Tests/Webapi/Models/PagedRequestTests.cs

@@ -2,6 +2,8 @@
 using Xunit;
 using MaksIT.Core.Webapi.Models;  // Ensure namespace matches the actual namespace of PagedRequest
 
+namespace MaksIT.Core.Tests.Webapi.Models;
+
 public class PagedRequestTests {
 
   public class TestEntity {

src/MaksIT.Core/MaksIT.Core.csproj

@@ -8,7 +8,7 @@
 
     <!-- NuGet package metadata -->
     <PackageId>MaksIT.Core</PackageId>
-    <Version>1.3.0</Version>
+    <Version>1.3.1</Version>
     <Authors>Maksym Sadovnychyy</Authors>
     <Company>MAKS-IT</Company>
     <Product>MaksIT.Core</Product>

src/MaksIT.Core/Webapi/Models/PagedRequest.cs

@@ -1,5 +1,6 @@
 using System.Linq.Dynamic.Core;
 using System.Linq.Expressions;
+using System.Text.RegularExpressions;
 using MaksIT.Core.Abstractions.Webapi;
 
 public class PagedRequest : RequestModelBase {
@@ -14,12 +15,26 @@ public class PagedRequest : RequestModelBase {
     if (string.IsNullOrWhiteSpace(Filters))
       return x => true; // Returns an expression that doesn't filter anything.
 
-    // Parse the filter string into a dynamic lambda expression.
+    // Adjust Filters to make Contains, StartsWith, EndsWith, ==, and != case-insensitive
+    string adjustedFilters = Filters
+        .Replace(".Contains(", ".ToLower().Contains(")
+        .Replace(".StartsWith(", ".ToLower().StartsWith(")
+        .Replace(".EndsWith(", ".ToLower().EndsWith(")
+        .Replace("==", ".ToLower() ==")
+        .Replace("!=", ".ToLower() !=");
+
+    // Ensure values are also transformed to lowercase
+    adjustedFilters = Regex.Replace(adjustedFilters, "\"([^\"]+)\"", m => $"\"{m.Groups[1].Value.ToLower()}\"");
+
+    // Parse the adjusted filter string into a dynamic lambda expression
     var predicate = DynamicExpressionParser.ParseLambda<T, bool>(
-        new ParsingConfig(), false, Filters);
+        new ParsingConfig(), false, adjustedFilters);
+
     return predicate;
   }
 
+
+
   public Func<IQueryable<T>, IOrderedQueryable<T>> BuildSortExpression<T>() {
     if (string.IsNullOrWhiteSpace(SortBy))
       return q => (IOrderedQueryable<T>)q; // Cast to IOrderedQueryable