Simple WCF - Service

1.  Create Interface like,

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;

namespace PatentService
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService1" in both code and config file together.
    [ServiceContract]
    public interface IService1
    {

        List<PatentModel> GetPatentList(string PatentType);
       
    }


    [DataContract]
    public class PatentModel
    {
        [DataMember]
        public string Title { get; set; }
        [DataMember]
        public string Link { get; set; }
        [DataMember]
        public string Description { get; set; }
        [DataMember]
        public string PublishedDate { get; set; }
    }
}

2.  In the SVC.cs file.

using PatentService.Models;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Web;

using System.Text;

using System.Web;

using System.Xml.Linq;

namespace PatentService

{

    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.

    // NOTE: In order to launch WCF Test Client for testing this service, please select Service1.svc or Service1.svc.cs at the Solution Explorer and start debugging.

    public class Service1 : IService1

    {

        public List<PatentModel> GetPatentList(string PatentType)

        {

            try

            {

                List<PatentModel> patentList = new List<PatentModel>();

                PatentModel patentInfo = new PatentModel() { Description = "No patents available" };

                XDocument xDocument = XDocument.Load(HttpContext.Current.Server.MapPath(@"~\Files\PatentTypeList.xml"));

                var FeedList = xDocument.Element("Feeds").Elements();

                if (FeedList.Count() > 0)

                {

                    List<PatentTypeModel> availablePatentList = FeedList.Select(p => new PatentTypeModel

                    {

                        Category = p.Element("Category").Value,

                        FeedURL = p.Element("FeedURL").Value,

                        Type = p.Element("Type").Value

                    }).ToList();

                    PatentTypeModel selectedPatent = availablePatentList.Find(p => p.Type.ToLower() == PatentType.ToLower());

                    if (selectedPatent != null)

                    {

                        string feedSource = new WebClient().DownloadString(selectedPatent.FeedURL);

                        XDocument feedDocument = XDocument.Parse(feedSource);

                        var feeds = feedDocument.Descendants("channel").Elements("item");

                        if (feeds.Count() > 0)

                        {

                            patentList = feeds.Select(f => new PatentModel

                           {

                               Title = f.Element("title").Value,

                               Description = f.Element("description").Value,

                               Link = f.Element("link").Value,

                               PublishedDate = f.Element("pubDate").Value

                           }).ToList();

                            return patentList;

                        }

                        else

                        {

                            patentList.Add(patentInfo);

                            return patentList;

                        }

                    }

                    else

                    {

                        patentList.Add(patentInfo);

                        return patentList;

                    }

                }

                else

                {

                    patentList.Add(patentInfo);

                    return patentList;

                }

            }

            catch (Exception ex)

            {

                throw;

            }

        }

    }

}

3. Create XML file in Files\ folder

<?xml version="1.0" encoding="utf-8" ?>

<Feeds>

  <Feed>

    <Category>Computers</Category>

    <Type>Graphic processing</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat345.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Computers</Category>

    <Type>I/O Systems</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat710.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Computers</Category>

    <Type>CPUs</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat712.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Computers</Category>

    <Type>Dynamic Storage</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat369.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Computers</Category>

    <Type>Static Storage</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat365.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Computers</Category>

    <Type>Printers/Printing </Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat347.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Software</Category>

    <Type>Artificial Intelligence</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat706.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Software</Category>

    <Type>Databases</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat707.xml</FeedURL>

  </Feed>

  <Feed>

    <Category>Software</Category>

    <Type>Development</Type>

    <FeedURL>http://www.freepatentsonline.com/rssfeed/rsspat717.xml</FeedURL>

  </Feed>

</Feeds>

4.  Change the Web.Config file (in bold letters are needs to add)

<?xml version="1.0"?>

<configuration>

  <appSettings>

    <add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />

  </appSettings>

  <system.web>

    <compilation debug="true" targetFramework="4.5" />

    <httpRuntime targetFramework="4.5"/>

  </system.web>

  <system.serviceModel>

    <!-- START :: Need to configure services and behaviors section while deploy in to IIS-->

    <services>

      <service behaviorConfiguration="PatentServiceBehavior" name="PatentService.Service1">

        <endpoint address="http://localhost:59285/Service1.svc" binding="basicHttpBinding" contract="PatentService.IService1">

          <identity>

            <dns value="localhost"/>

          </identity>

        </endpoint>

        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"></endpoint>

      </service>

    </services>

    <behaviors>

      <serviceBehaviors>

        <behavior name="PatentServiceBehavior">

          <!-- To avoid disclosing metadata information, set the values below to false before deployment -->

          <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>

          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->

          <serviceDebug includeExceptionDetailInFaults="false"/>

        </behavior>

      </serviceBehaviors>

    </behaviors>

    <!-- END :: Need to configure services and behaviors section while deploy in to IIS-->

    <protocolMapping>

      <add binding="basicHttpsBinding" scheme="https" />

    </protocolMapping>

    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="false" />

  </system.serviceModel>

  <system.webServer>

    <modules runAllManagedModulesForAllRequests="true"/>

    <!--

        To browse web app root directory during debugging, set the value below to true.

        Set to false before deployment to avoid disclosing web app folder information.

      -->

    <directoryBrowse enabled="true"/>

  </system.webServer>

</configuration>

5. Save and run the SVC file in WCF Test client environment. 

Happy coding....