publiclab/plots2

/**
  The restfulTypeahead.js script provides generic typeahead functionality for the plots2 Rails app.
  The set of functions here are intended to provide a link between the data available through the RESTful
  search API and the UI components.
  Documentation here: https://github.com/bassjobsen/Bootstrap-3-Typeahead
**/

$(function () {
  $('input.search-query.typeahead').each(function (i, el) {

    var typeahead = $(el).typeahead({
      items: "all",
      minLength: 3,
      showCategoryHeader: true,
      item: '<li class="dropdown-item"><a class="dropdown-item" href="#" role="option"></a></li>',
      autoSelect: false,
      source: debounce(function (query, process) {

        query = query.replace(' ', '-'); // replace spaces with hyphens
        var encoded_query = encodeURIComponent(query);
        var qryType = $(el).attr('qryType');
        const queryUrl = (qryType === "tags") ? "/tag/suggested/" + encoded_query : "api/srch/" + qryType + "?query=" + encoded_query;

        // search analytics
        if (window.hasOwnProperty('ga')) {
          tracker = ga.getAll()[0];
          tracker.send("pageview", queryUrl + '&typeahead=true');
        }

        if (qryType === "tags") {
          return $.post('/tag/suggested/' + encoded_query, {}, function (data) {
            var objects = data.map(function (a) { return { doc_title: a } });
            return process(objects);
          });
        } else {
          return $.getJSON('/' + queryUrl, function (data) {
            return process(data.items);
          }, 'json');
        }

      }, 350),

      highlighter: function (text, item) {
        return item.doc_title;
      },

      matcher: function () {
        return true;
      },

      displayText: function (item) {
        return item.doc_title;
      },

      updater: function (item) {
        if (item.hasOwnProperty('showAll') && item.showAll) {
          var query = this.value;
          window.location = window.location.origin + "/search/?q=" + query;
        }
        else if (item.hasOwnProperty('doc_url') && item.doc_url) {
          window.location = window.location.origin + item.doc_url;
        } else {
          window.location = window.location.origin + '/tag/' + item.doc_title;
        }
        item = item.doc_title;
        return item;
      },

      addItem: {
        doc_title: 'Search all content',
        showAll: true
      }
    });
  });
});