Universal Search Azure Search

azure-search.js

/**
 * Search by Azure Search API
 * @param options : (object)
 */
var AzureSearch = function(options) {
  SearchService.apply(this, arguments);
  var self = this;
  var endpoint = "https://" +self.config.serviceName+ ".search.windows.net/indexes/" +self.config.indexName+ "/docs?api-version=2015-02-28";
  self.nav.current = 1;
  
  /**
   * Generate result list html
   * @param data : (array) result items
   */
  self.buildResultList = function(data) {
    var html = "";
    $.each(data, function(index, row) {
      var url = row.permalink || row.path || "";
      if (!row.permalink && row.path) {
        url = "/" + url;
      }
      var title = row.title;
      var digest = row.excerptStrip || "";
      html += self.buildResult(url, title, digest);
    });
    return html;
  };
  
  /**
   * Generate metadata after a successful query
   * @param data : (object) the raw response data
   * @param startIndex : (int) requested start index of current query
   */
  self.buildMetadata = function(data, startIndex) {
    self.nav.current = startIndex;
    self.nav.currentCount = data.value.length;
    self.nav.total = parseInt(data['@odata.count']);
    self.dom.metadata.children('.total').html(self.nav.total);
    self.dom.metadata.children('.range').html(self.nav.current + "-" + (self.nav.current+self.nav.currentCount-1));
    if (self.nav.total > 0) {
      self.dom.metadata.show();
    }
    else {
      self.dom.metadata.hide();
    }

    if (self.nav.current+self.nav.currentCount <= self.nav.total) {
      self.nav.next = self.nav.current+self.nav.currentCount;
      self.dom.nextButton.show();
    }
    else {
      self.nav.next = -1;
      self.dom.nextButton.hide();
    }
    if (self.nav.current > 1) {
      self.nav.prev = self.nav.current-self.nav.currentCount;
      self.dom.prevButton.show();
    }
    else {
      self.nav.prev = -1;
      self.dom.prevButton.hide();
    }
  };
  
  /**
   * Send a GET request
   * @param queryText : (string) the query text
   * @param page : (int) the current page (start from 1)
   * @param callback : (function)
   */
  self.query = function(queryText, startIndex, callback) {
    self.uiBeforeQuery();
    $.ajax({
      url: endpoint,
      headers: {
        "Accept": "application/json",
        "api-key": self.config.apiKey
      },
      data: {
        search: queryText,
        $skip: startIndex-1,
        $top: self.config.per_page,
        $count: true
      },
      type: "GET",
      success: function(data, status) {
        if (status === 'success' && data.value && data.value.length > 0) {
          var results = self.buildResultList(data.value);
          self.dom.resultContainer.html(results);
        }
        else {
          self.onQueryError(queryText, status);
        }
        self.buildMetadata(data, startIndex);
        self.uiAfterQuery();
        if (callback) {
          callback(data);
        }
      }
    });
  };

  self.init();
};