//-----------------------------------------------------------------------------

// <copyright file="Extensions.QueryString.cs" company="genuine">

//     Copyright (c) J.Baltikauskas. All rights reserved.

// </copyright>

//-----------------------------------------------------------------------------

//  Author:     J.Baltikauskas

//  Date:       07/30/2008

//-----------------------------------------------------------------------------

namespace Vodca

{

    using System;

    using System.Web;



    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.StyleCop.CSharp.DocumentationRules", "SA1601:PartialElementsMustBeDocumented", Justification = "Extension methods partial class.")]

    public static partial class Extensions

    {

        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable byte</returns>

        /// <example>View code: <br />    

        /// byte? id = Extensions.QueryStringAsByte("id");

        /// </example>

        public static byte? QueryStringAsByte(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToByte();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable byte</returns>

        /// <example>View code: <br />

        ///     byte? id = this.Page.Request.QueryStringAsByte("id");

        /// </example>

        public static byte? QueryStringAsByte(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToByte();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable int</returns>

        /// <example>View code: <br />

        ///     int? id = Extensions.QueryStringAsInt("id");

        /// </example>

        public static int? QueryStringAsInt(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToInt();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable int</returns>

        /// <example>View code: <br />

        ///     int? id = this HttpRequest request, .QueryStringAsInt("id");

        /// </example>

        public static int? QueryStringAsInt(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToInt();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable long</returns>

        /// <example>View code: <br />

        ///     long? id = Extensions.QueryStringAsLong("id");

        /// </example>

        public static long? QueryStringAsLong(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToLong();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request.</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable long</returns>

        /// <example>View code: <br />

        ///     long? id = this.Page.Request.QueryStringAsLong("id");

        /// </example>

        public static long? QueryStringAsLong(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToLong();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable double</returns>

        /// <example>View code: <br />

        ///     Double? id = Extensions.QueryStringAsDouble("id");

        /// </example>

        public static double? QueryStringAsDouble(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToDouble();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable double</returns>

        /// <example>View code: <br />

        ///     double? id = this.Page.Request.QueryStringAsDouble("id");

        /// </example>

        public static double? QueryStringAsDouble(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToDouble();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable float</returns>

        /// <example>View code: <br />

        ///     float? id = Extensions.QueryStringAsFloat("id");

        /// </example>

        public static float? QueryStringAsFloat(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToFloat();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable float</returns>

        /// <example>View code: <br />

        ///     float? id = this.Page.Request.QueryStringAsFloat("id");

        /// </example>

        public static float? QueryStringAsFloat(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToFloat();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable DateTime</returns>

        /// <example>View code: <br />

        ///     DateTime? id = Extensions.QueryStringAsDateTime("datetime");

        /// </example>

        public static DateTime? QueryStringAsDateTime(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToDateTime();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable DateTime</returns>

        /// <example>View code: <br />

        ///     DateTime? id = this.Page.Request.QueryStringAsDateTime("datetime");

        /// </example>

        public static DateTime? QueryStringAsDateTime(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToDateTime();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable Boolean</returns>

        /// <example>View code: <br />

        ///     bool? id = Extensions.QueryStringAsBoolean("iscurrent");

        /// </example>

        public static bool? QueryStringAsBoolean(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToBoolean();

        }



        /// <summary>

        ///     Query the string utility. Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable Boolean</returns>

        /// <example>View code: <br />

        ///     bool? id = this.Page.Request.QueryStringAsBoolean("iscurrent");

        /// </example>

        public static bool? QueryStringAsBoolean(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToBoolean();

        }



        /// <summary>

        ///     Query the string utility. Designed to use inside Web DLL's mostly and legacy support for ASP.NET 2.0.

        /// </summary>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable Guid</returns>

        /// <example>View code: <br />

        ///     Guid? id = Extensions.QueryStringAsGuid("id");

        /// </example>

        public static Guid? QueryStringAsGuid(string param)

        {

            string value = HttpContext.Current.Request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToGuid();

        }



        /// <summary>

        ///     Query the string utility.Designed to use for ASP.NET 3.5.

        /// </summary>

        /// <param name="request">The HTTP values sent by a client during a Web request</param>

        /// <param name="param">The param.</param>

        /// <returns>Query string param as Nullable Guid</returns>

        /// <example>View code: <br />

        ///     Guid? id = this.Page.Request.QueryStringAsGuid("id");

        /// </example>

        public static Guid? QueryStringAsGuid(this HttpRequest request, string param)

        {

            string value = request.QueryString[param];

            return string.IsNullOrEmpty(value) ? null : value.ConvertToGuid();

        }

    }

}