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| Line 30: |
Line 30: |
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| − | - Create an aspx page to the root direcotry e.g. Website/GoogleSearch.aspx and add the following HTML:
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| − |
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| − | <%@ Page Language="C#" MasterPageFile="~/Layouts/Fixed/OneColumn.master" Inherits="AbleCommerce.GoogleSearch" Title="Google Custom Search" CodeFile="GoogleSearch.aspx.cs" AutoEventWireup="True" %>
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| − |
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| − | <asp:Content ID="MainContent" runat="server" ContentPlaceHolderID="PageContent">
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| − | <div class="container">
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| − | <div class="col-md-6 col-md-offset-3">
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| − | <h2>Search again</h2>
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| − | <div class="input-group">
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| − | <asp:textbox id="q" runat="server" CssClass="form-control" SkinID="SrchBox" placeholder="Enter Search Keyword..." />
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| − | <span class="input-group-btn">
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| − | <asp:Button ID="GoogleSearchButton" runat="server" Text="Search" class="btn-u" causesvalidation="false" OnClick="GoogleSearchButton_Click"></asp:Button>
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| − | </span>
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| − | </div>
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| − | </div>
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| − | </div>
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| − | <div class="wrapper">
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| − | <div class="container s-results margin-bottom-50">
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| − | <div class="row">
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| − | <div class="col-md-12">
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| − | <span class="results-number"><asp:literal id="GoogleText" runat="server"></asp:literal></span>
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| − | <div class="inner-results">
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| − | <asp:panel id="SearchResultsPanel" runat="server" >
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| − | <asp:literal id="Results" runat="server"></asp:literal>
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| − | </asp:panel>
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| − | <asp:Panel ID="NoResultsPanel" runat="server" EnableViewState="false">
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| − | Your search did not match any documents.<br /><br />
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| − | Suggestions:
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| − | <ul>
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| − | <li>Make sure all words are spelled correctly.</li>
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| − | <li>Try different keywords.</li>
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| − | <li>Try more general keywords. </li>
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| − | </ul>
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| − | </asp:Panel>
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| − | </div>
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| − | </div>
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| − | <div class="col-md-12">
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| − | <div class="text-left">
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| − | <ul class="pagination">
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| − | <li><asp:literal id="PaginationLinks" runat="server"></asp:literal></li>
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| − | </ul>
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| − | </div>
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| − | </div>
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| − | </div>
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| − | </div>
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| − | </div>
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| − | </asp:Content>
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| − |
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| − | '''Similarly''', open code behind file i.e. Website/GoogleSearch.aspx.cs and place the following code:
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| − |
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| − | using AbleCommerce.Code;
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| − | using CommerceBuilder.Utility;
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| − | using System;
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| − | using System.IO;
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| − | using System.Net;
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| − | using System.Text;
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| − | using System.Text.RegularExpressions;
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| − | using System.Web;
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| − | using System.Xml;
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| − |
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| − | namespace AbleCommerce
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| − | {
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| − | public partial class GoogleSearch : CommerceBuilder.UI.AbleCommercePage
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| − | {
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| − | /// <summary>
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| − | /// Variable containing the cx value provided by Google when creating a CSE
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| − | /// </summary>
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| − | private string _Cx;
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| − |
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| − | /// <summary>
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| − | /// Gets or sets the cx value provided by Google when creating a CSE.
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| − | /// </summary>
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| − | /// <value>The cx.</value>
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| − | public string Cx
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| − | {
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| − | get { return _Cx; }
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| − | set { _Cx = value; }
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| − | }
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| − |
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| − | public int StartIndex
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| − | {
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| − | get
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| − | {
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| − | if (Request.QueryString["s"] == null || Page.IsPostBack) return 0;
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| − | else return AlwaysConvert.ToInt(Request.QueryString["s"]);
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| − | }
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| − | }
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| − |
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| − | /// <summary>
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| − | /// Initializes a new instance of the class.
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| − | /// </summary>
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| − | protected void Page_Init(object sender, EventArgs e)
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| − | {
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| − | _Cx = "001693589241998964910%3Aqf4ogsspcoi"; // e.g. 201699589241998965915%3Aqf4ognspcrm
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| − | }
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| − |
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| − | /// <summary>
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| − | /// Handles the Load event of the Page control.
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| − | /// </summary>
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| − | /// <param name="sender">The source of the event.</param>
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| − | /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
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| − | protected void Page_Load(object sender, EventArgs e)
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| − | {
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| − | this.Page.Form.Action = "GoogleSearch.aspx";
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| − | if (!Page.IsPostBack && Request.QueryString["q"] != null)
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| − | {
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| − | q.Text = Server.HtmlEncode(StringHelper.StripHtml(Request.QueryString["q"]));
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| − | BindResults();
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| − |
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| − | PageHelper.SetDefaultButton(q, GoogleSearchButton);
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| − | }
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| − | }
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| − |
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| − | protected void BindResults()
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| − | {
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| − | XmlDocument document = GetXML(HttpUtility.UrlEncode(q.Text), StartIndex);
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| − | int totalResults = GetTotalResults(document);
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| − | GoogleText.Text = String.Format("You searched:\"{0}\" Total Matches:{1}", q.Text, totalResults);
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| − | if (totalResults > 0)
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| − | {
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| − | Results.Text = GetResults(document);
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| − | PaginationLinks.Text = GetPaginationLinks(GetTotalResults(document), 10, StartIndex, HttpUtility.UrlEncode(q.Text));
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| − | NoResultsPanel.Visible = false;
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| − | }
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| − | else
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| − | {
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| − | NoResultsPanel.Visible = true;
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| − | }
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| − | }
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| − |
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| − | /// <summary>
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| − | /// Processes the URL.
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| − | /// </summary>
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| − | /// <param name="url">The URL.</param>
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| − | private XmlDocument GetXML(String searchterms, int start)
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| − | {
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| − | String url = "http://www.google.com/search?cx=" + Cx + "&client=google-csbe&start=" + start + "&num=10&output=xml_no_dtd&q=" + searchterms;
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| − | StringBuilder sb = new StringBuilder();
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| − |
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| − | byte[] buf = new byte[8192];
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| − | HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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| − | HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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| − | Stream resStream = response.GetResponseStream();
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| − |
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| − | int count;
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| − | do
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| − | {
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| − | count = resStream.Read(buf, 0, buf.Length);
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| − | if (count != 0)
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| − | {
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| − | string tempString = Encoding.ASCII.GetString(buf, 0, count);
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| − | sb.Append(tempString);
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| − | }
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| − | }
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| − | while (count > 0);
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| − |
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| − | string document = sb.ToString();
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| − | document = Regex.Replace(document, "\\n", "", RegexOptions.IgnoreCase);
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| − | document = Regex.Replace(document, "=\"/custom", "=\"" + Request.FilePath, RegexOptions.IgnoreCase);
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| − | XmlDocument xml = new XmlDocument();
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| − | xml.LoadXml(document);
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| − | return xml;
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| − | }
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| − |
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| − | protected int GetTotalResults(XmlDocument xml)
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| − | {
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| − | if (xml != null)
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| − | {
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| − | XmlElement element = XmlUtility.GetElement(xml.DocumentElement, "RES", false);
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| − | if (element != null) return AlwaysConvert.ToInt(XmlUtility.GetElement(element, "M", false).InnerText);
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| − | }
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| − | return 0;
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| − | }
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| − |
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| − | protected string GetPaginationLinks(int totalResults, int totalPerPage, int startIndex, string searchterms)
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| − | {
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| − | StringBuilder pageLinks = new StringBuilder();
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| − | if (totalResults >= totalPerPage)
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| − | {
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| − | int currentPageIndex = 1;
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| − | if (startIndex > 0) currentPageIndex = (int)(startIndex / totalPerPage) + 1;
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| − |
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| − | //if we're not at the start
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| − | if (currentPageIndex > 1)
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| − | {
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| − | pageLinks.Append("<a href=\"?s=" + (startIndex - 10) + "&q=" + searchterms + "\">«</a>");
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| − | pageLinks.Append(" ");
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| − |
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| − | // DISPLAY LINKS FOR ABOUT 5 PREVIOUS PAGES
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| − | int ppages = currentPageIndex - 1;
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| − | int i = 0;
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| − | if (ppages >= 10) i = ppages - 10;
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| − | for (; i < ppages; i++)
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| − | {
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| − | pageLinks.Append("<a href=\"?s=" + (i * 10) + "&q=" + searchterms + "\">" + (i + 1) + "</a>");
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| − | pageLinks.Append(" ");
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| − | }
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| − | }
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| − |
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| − | if (totalResults > totalPerPage)
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| − | {
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| − | // DISPLAY THE CURRENT PAGE
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| − | pageLinks.Append("<a href=\"?s=" + currentPageIndex + "&q=" + searchterms + "\">" + currentPageIndex + "</a>");
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| − | pageLinks.Append(" ");
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| − | }
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| − |
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| − | //if where you started + 10 is NOT equal to the total number of results
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| − | if ((startIndex + totalPerPage) < totalResults)
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| − | {
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| − | // DISPLAY ABOUT 10 NEXT LINKS
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| − | int npages = (int)((totalResults / totalPerPage) - currentPageIndex + 1);
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| − | if (npages > 10) npages = 10;
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| − | for (int i = 0; i < npages; i++)
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| − | {
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| − | pageLinks.Append("<a href=\"?s=" + ((i + currentPageIndex) * 10) + "&q=" + searchterms + "\">" + (i + currentPageIndex + 1) + "</a>");
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| − | pageLinks.Append(" ");
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| − | }
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| − |
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| − | pageLinks.Append("<a href=\"?s=" + (startIndex + totalPerPage) + "&q=" + searchterms + "\">»</a>");
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| − | }
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| − | }
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| − | return pageLinks.ToString();
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| − | }
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| − |
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| − | protected string GetResults(XmlDocument xdocumentml)
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| − | {
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| − | StringBuilder resultsBuilder = new StringBuilder();
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| − | XmlElement RES = XmlUtility.GetElement(xdocumentml.DocumentElement, "RES", false);
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| − | if (RES != null)
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| − | {
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| − | foreach (XmlElement R in RES.GetElementsByTagName("R"))
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| − | {
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| − | XmlElement U = XmlUtility.GetElement(R, "U", false);
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| − | XmlElement T = XmlUtility.GetElement(R, "T", false);
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| − | XmlElement S = XmlUtility.GetElement(R, "S", false);
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| − | resultsBuilder.Append("<h3><a href=\"" + U.InnerText + "\">" + T.InnerText + "</a></h3>" + S.InnerText + "<ul class=\"list-inline up-ul\"><li>" + (new Uri(U.InnerText)).Host + "</li></ul><hr />");
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| − | }
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| − | }
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| − | return resultsBuilder.ToString();
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| − | }
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| − |
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| − | protected void GoogleSearchButton_Click(object sender, EventArgs e)
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| − | {
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| − | Response.Redirect("~/GoogleSearch.aspx?q=" + Server.UrlEncode(q.Text));
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| − | BindResults();
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| − | }
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| − | }
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| − | }
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| | You only need to use your '''cx''' parameter value to search from your website that is provided during custom search engine setup. Now try searching some keyword, it should return the results as expected. | | You only need to use your '''cx''' parameter value to search from your website that is provided during custom search engine setup. Now try searching some keyword, it should return the results as expected. |
