Fix: Rename Generic.CL folder to flat structure, update csproj and references

Services/AdvancedQueryBuilder.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Generic.Services;
+
+public class AdvancedQueryBuilder
+{
+    private readonly StringBuilder _builder;
+    private string _preText = string.Empty;
+    private string _afterText = string.Empty;
+    private string _separator = "&";
+
+    public AdvancedQueryBuilder()
+    {
+        _builder = new StringBuilder();
+    }
+
+    public AdvancedQueryBuilder AddPreText(string preText)
+    {
+        _preText = preText;
+        return this;
+    }
+
+    public AdvancedQueryBuilder AddAfterText(string afterText)
+    {
+        _afterText = afterText;
+        return this;
+    }
+
+    public AdvancedQueryBuilder AddSeprator(string separator)
+    {
+        _separator = separator;
+        return this;
+    }
+
+    public AdvancedQueryBuilder AddModels(params object?[] models)
+    {
+        if (models == null)
+            return this;
+
+        foreach (var model in models)
+        {
+            if (model == null)
+                continue;
+
+            var properties = model.GetType().GetProperties();
+            foreach (var prop in properties)
+            {
+                var value = prop.GetValue(model)?.ToString();
+                if (!string.IsNullOrEmpty(value))
+                {
+                    AppendParameter(prop.Name.ToLower(), value);
+                }
+            }
+        }
+        return this;
+    }
+
+    private void AppendParameter(string key, string value)
+    {
+        if (_builder.Length > 0)
+            _builder.Append(_separator);
+        _builder.Append($"{Uri.EscapeDataString(key)}={Uri.EscapeDataString(value)}");
+    }
+
+    public override string ToString() => $"{_preText}{_builder}{_afterText}";
+}