timeout.london.search.xml

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

<!--
    Document   : timeout.london.search.xml
    Created on : March 13, 2010, 12:03 PM
    Author     : Rob Young <rob@roryoung.co.uk>
    Description:
        An Open Data Table for Time Out London's search page.

-->

<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
  <meta>
    <author>Rob Young</author>
    <sampleQuery>USE "http://www.roryoung.co.uk/timeout.london.search.xml" as timeout.london.search; SELECT * FROM timeout.london.search;</sampleQuery>
    <documentationURL></documentationURL>
  </meta>
  <bindings>
    <select itemPath="" produces="JSON">
      <urls>
        <url>http://www.timeout.com/london/search/</url>
      </urls>
      <paging model="page">
        <start default="1"  id="page"/>
        <pagesize max="200" id="count"/>
        <total default="20"/>
      </paging>
      <inputs>
        <key id="tag"      type="xs:string" paramType="variable"/>
        <key id="tag_id"   type="xs:string" paramType="variable"/>
        <key id="date"     type="xs:string" paramType="variable"/>
        <key id="type"     type="xs:string" paramType="variable"/>
        <key id="area"     type="xs:string" paramType="variable"/>
        <key id="postcode" type="xs:string" paramType="variable"/>
        <key id="keyword"  type="xs:string" paramType="variable"/>
      </inputs>
      <execute><![CDATA[
        function join(key, value) {
          return key + '=' + value;
        }

        function each(map, func) {
          var out = [];
          for (key in map) {
            out.push(func(key, map[key]));
          }
          return out;
        }

        tag_map = {
          "Alternative Nightlife": 362,
          "Around Town": 2,
          "Art": 84,
          "Bars": 300002,
          "Books & Poetry": 186,
          "Cabaret": 411,
          "Classical Music": 190,
          "Clubs": 39,
          "Comedy": 351,
          "Dance": 197,
          "Festivals": 384,
          "Film": 144,
          "Gay & Lesbian": 79,
          "Hotels": 4308,
          "Kids": 129,
          "Museums & Attractions": 36,
          "Music": 72,
          "Restaurants": 4256,
          "Shopping": 412,
          "Theatre": 352
        };

        var params      = [];
        if (tag != undefined) {
          params['tag_id'] = tag_map[tag];
        }
        if (tag_id != undefined) {
          params['tag_id'] = tag_id;
        }
        if (date != undefined) {
          params['date'] = date;
        }
        if (type != undefined) {
          params['type'] = type;
        }
        if (area != undefined) {
          params['area'] = area;
        }
        if (postcode != undefined) {
          params['postcode'] = postcode;
        }
        if (keyword != undefined) {
          params['keyword'] = keyword;
        }
        params['pageNumber'] = page;
        params['pageSize']   = count;

        var base_url = "http://www.timeout.com/london/search/";
        var query    = each(params, join).join('&');
        var url      = base_url + '?' + query;
        var xpath    = '//div[@id="result-container"]/div[contains(@class, "result")]/div[@class="left-column"]';

        y.log("URL: " + url);

        var query = y.query("SELECT * FROM html WHERE url=@url AND xpath=@xpath", {url:url, xpath:xpath});
        var results = <results></results>;

        for each(var result in query.results.div) {
          var my_result = <result/>
          my_result.appendChild(<title>{result.h2.a.text()}</title>);
          my_result.link.@href = result.h2.a.@href;

          var review  = result.*.(@["class"] == "review-container");
          var details = result.*.(@["class"] == "details");
          var flags   = result.*.(@["class"] == "flags-container");

          var date = review..strong.text();
          if (date.length() == 0) {
            date = details.span.span.text();
          }
          my_result.appendChild(<date>{date}</date>);
          my_result.appendChild(<summary>{review.p.(@["class"] == "review").text()}</summary>);

          if (flags.h4.span.length() != 0) {
            for (var i in flags.h4.span) {
              my_result.appendChild(<category>{flags.h4.span[i].text()}</category>);
            }
          } else {
            my_result.appendChild(<category>{flags.h4.text()}</category>);
          }

          for (var i in flags..span) {
            var c = flags..span[i].@["class"];
            if (c.length() && c.match(/^flag /)) {
              if (flags..span[i].text().length()) {
                my_result.appendChild(<tag>{flags..span[i].text()}</tag>);
              }
            }
          }

          results.appendChild(my_result);
        }

        response.object = results;

      ]]></execute>
    </select>
  </bindings>
</table>