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pillar/src/scripts/algolia_search.js
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algolia_search.js
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$(document).ready(function() {
/********************
* INITIALIZATION
* *******************/
var HITS_PER_PAGE = 25;
var MAX_VALUES_PER_FACET = 30;
// DOM binding
var $inputField = $('#q');
var $hits = $('#hits');
var $stats = $('#stats');
var $facets = $('#facets');
var $pagination = $('#pagination');
// Templates binding
var hitTemplate = Hogan.compile($('#hit-template').text());
var statsTemplate = Hogan.compile($('#stats-template').text());
var facetTemplate = Hogan.compile($('#facet-template').text());
var sliderTemplate = Hogan.compile($('#slider-template').text());
var paginationTemplate = Hogan.compile($('#pagination-template').text());
// Client initialization
var algolia = algoliasearch(APPLICATION_ID, SEARCH_ONLY_API_KEY);
// Helper initialization
var params = {
hitsPerPage: HITS_PER_PAGE,
maxValuesPerFacet: MAX_VALUES_PER_FACET,
facets: $.map(FACET_CONFIG, function(facet) {
return !facet.disjunctive ? facet.name : null;
}),
disjunctiveFacets: $.map(FACET_CONFIG, function(facet) {
return facet.disjunctive ? facet.name : null;
})
};
// Setup the search helper
var helper = algoliasearchHelper(algolia, INDEX_NAME, params);
// Check if we passed hidden facets in the FACET_CONFIG
var result = $.grep(FACET_CONFIG, function(e) {
return e.hidden && e.hidden == true;
});
for (var i = 0; i < result.length; i++) {
var f = result[i];
helper.addFacetRefinement(f.name, f.value);
}
// Input binding
$inputField.on('keyup change', function() {
var query = $inputField.val();
toggleIconEmptyInput(!query.trim());
helper.setQuery(query).search();
}).focus();
// AlgoliaHelper events
helper.on('change', function(state) {
setURLParams(state);
});
helper.on('error', function(error) {
console.log(error);
});
helper.on('result', function(content, state) {
renderStats(content);
renderHits(content);
renderFacets(content, state);
renderPagination(content);
bindSearchObjects();
renderFirstHit($(hits).children('.search-hit:first'));
});
/************
* SEARCH
* ***********/
function renderFirstHit(firstHit) {
firstHit.addClass('active');
firstHit.find('#search-loading').addClass('active');
function done() {
$('.search-loading').removeClass('active');
$('#search-error').hide();
$('#search-hit-container').show();
}
window.setTimeout(function() {
// Ignore getting that first result when there is none.
var hit_id = firstHit.attr('data-hit-id');
if (hit_id === undefined) {
done();
return;
}
$.get('/nodes/' + hit_id + '/view', function(dataHtml) {
$('#search-hit-container').html(dataHtml);
})
.done(done)
.fail(function(data) {
$('.search-loading').removeClass('active');
$('#search-hit-container').hide();
$('#search-error').show().html('Houston!\n\n' + data.status + ' ' + data.statusText);
});
}, 1000);
};
// Initial search
initWithUrlParams();
helper.search();
function convertTimestamp(timestamp) {
var d = new Date(timestamp * 1000), // Convert the passed timestamp to milliseconds
yyyy = d.getFullYear(),
mm = ('0' + (d.getMonth() + 1)).slice(-2), // Months are zero based. Add leading 0.
dd = ('0' + d.getDate()).slice(-2), // Add leading 0.
time;
time = dd + '/' + mm + '/' + yyyy;
return time;
}
function renderStats(content) {
var stats = {
nbHits: numberWithDelimiter(content.nbHits),
processingTimeMS: content.processingTimeMS,
nbHits_plural: content.nbHits !== 1
};
$stats.html(statsTemplate.render(stats));
}
function renderHits(content) {
var hitsHtml = '';
for (var i = 0; i < content.hits.length; ++i) {
// console.log(content.hits[i]);
var created = content.hits[i]['created'];
if (created) {
content.hits[i]['created'] = convertTimestamp(created);
}
var updated = content.hits[i]['updated'];
if (updated) {
content.hits[i]['updated'] = convertTimestamp(updated);
}
hitsHtml += hitTemplate.render(content.hits[i]);
}
if (content.hits.length === 0) hitsHtml = '<p id="no-hits">We didn\'t find any items. Try searching something else.</p>';
$hits.html(hitsHtml);
}
function renderFacets(content, state) {
// If no results
if (content.hits.length === 0) {
$facets.empty();
return;
}
// Process facets
var facets = [];
for (var facetIndex = 0; facetIndex < FACET_CONFIG.length; ++facetIndex) {
var facetParams = FACET_CONFIG[facetIndex];
if (facetParams.hidden) {
continue
}
var facetResult = content.getFacetByName(facetParams.name);
if (facetResult) {
var facetContent = {};
facetContent.facet = facetParams.name;
facetContent.title = facetParams.title;
facetContent.type = facetParams.type;
if (facetParams.type === 'slider') {
// if the facet is a slider
facetContent.min = facetResult.stats.min;
facetContent.max = facetResult.stats.max;
var valueMin = state.getNumericRefinement(facetParams.name, '>=') || facetResult.stats.min;
var valueMax = state.getNumericRefinement(facetParams.name, '<=') || facetResult.stats.max;
valueMin = Math.min(facetContent.max, Math.max(facetContent.min, valueMin));
valueMax = Math.min(facetContent.max, Math.max(facetContent.min, valueMax));
facetContent.values = [valueMin, valueMax];
} else {
// format and sort the facet values
var values = [];
for (var v in facetResult.data) {
var label = '';
if (v === 'true') {
label = 'Yes';
} else if (v === 'false') {
label = 'No';
}
// Remove any underscore from the value
else {
label = v.replace(/_/g, " ");
}
values.push({
label: label,
value: v,
count: facetResult.data[v],
refined: helper.isRefined(facetParams.name, v)
});
}
var sortFunction = facetParams.sortFunction || sortByCountDesc;
if (facetParams.topListIfRefined) sortFunction = sortByRefined(sortFunction);
values.sort(sortFunction);
facetContent.values = values.slice(0, 10);
facetContent.has_other_values = values.length > 10;
facetContent.other_values = values.slice(10);
facetContent.disjunctive = facetParams.disjunctive;
}
facets.push(facetContent);
}
}
// Display facets
var facetsHtml = '';
for (var indexFacet = 0; indexFacet < facets.length; ++indexFacet) {
var facet = facets[indexFacet];
if (facet.type && facet.type === 'slider') facetsHtml += sliderTemplate.render(facet);
else facetsHtml += facetTemplate.render(facet);
}
$facets.html(facetsHtml);
}
function renderPagination(content) {
// If no results
if (content.hits.length === 0) {
$pagination.empty();
return;
}
var maxPages = 2;
// Process pagination
var pages = [];
if (content.page > maxPages) {
pages.push({
current: false,
number: 1
});
// They don't really add much...
// pages.push({ current: false, number: '...', disabled: true });
}
for (var p = content.page - maxPages; p < content.page + maxPages; ++p) {
if (p < 0 || p >= content.nbPages) {
continue;
}
pages.push({
current: content.page === p,
number: (p + 1)
});
}
if (content.page + maxPages < content.nbPages) {
// They don't really add much...
// pages.push({ current: false, number: '...', disabled: true });
pages.push({
current: false,
number: content.nbPages
});
}
var pagination = {
pages: pages,
prev_page: (content.page > 0 ? content.page : false),
next_page: (content.page + 1 < content.nbPages ? content.page + 2 : false)
};
// Display pagination
$pagination.html(paginationTemplate.render(pagination));
}
// Event bindings
function bindSearchObjects() {
// Slider binding
// $('#customerReviewCount-slider').slider().on('slideStop', function(ev) {
// helper.addNumericRefinement('customerReviewCount', '>=', ev.value[0]).search();
// helper.addNumericRefinement('customerReviewCount', '<=', ev.value[1]).search();
// });
// Pimp checkboxes
// $('input[type="checkbox"]').checkbox();
}
// Click binding
$(document).on('click', '.show-more, .show-less', function(e) {
e.preventDefault();
$(this).closest('ul').find('.show-more').toggle();
$(this).closest('ul').find('.show-less').toggle();
return false;
});
$(document).on('click', '.toggleRefine', function() {
helper.toggleRefine($(this).data('facet'), $(this).data('value')).search();
return false;
});
$(document).on('click', '.gotoPage', function() {
helper.setCurrentPage(+$(this).data('page') - 1).search();
$("html, body").animate({
scrollTop: 0
}, '500', 'swing');
return false;
});
$(document).on('click', '.sortBy', function() {
$(this).closest('.btn-group').find('.sort-by').text($(this).text());
helper.setIndex(INDEX_NAME + $(this).data('index-suffix')).search();
return false;
});
$(document).on('click', '#input-loop', function() {
$inputField.val('').change();
});
// Dynamic styles
$('#facets').on("mouseenter mouseleave", ".button-checkbox", function(e) {
$(this).parent().find('.facet_link').toggleClass("hover");
});
$('#facets').on("mouseenter mouseleave", ".facet_link", function(e) {
$(this).parent().find('.button-checkbox button.btn').toggleClass("hover");
});
/************
* HELPERS
* ***********/
function toggleIconEmptyInput(isEmpty) {
if (isEmpty) {
$('#input-loop').addClass('glyphicon-loop');
$('#input-loop').removeClass('glyphicon-remove');
} else {
$('#input-loop').removeClass('glyphicon-loop');
$('#input-loop').addClass('glyphicon-remove');
}
}
function numberWithDelimiter(number, delimiter) {
number = number + '';
delimiter = delimiter || ',';
var split = number.split('.');
split[0] = split[0].replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1' + delimiter);
return split.join('.');
}
var sortByCountDesc = function sortByCountDesc(a, b) {
return b.count - a.count;
};
var sortByName = function sortByName(a, b) {
return a.value.localeCompare(b.value);
};
var sortByRefined = function sortByRefined(sortFunction) {
return function(a, b) {
if (a.refined !== b.refined) {
if (a.refined) return -1;
if (b.refined) return 1;
}
return sortFunction(a, b);
};
};
function initWithUrlParams() {
var sPageURL = location.hash;
if (!sPageURL || sPageURL.length === 0) {
return true;
}
var sURLVariables = sPageURL.split('&');
if (!sURLVariables || sURLVariables.length === 0) {
return true;
}
var query = decodeURIComponent(sURLVariables[0].split('=')[1]);
$inputField.val(query);
helper.setQuery(query);
for (var i = 2; i < sURLVariables.length; i++) {
var sParameterName = sURLVariables[i].split('=');
var facet = decodeURIComponent(sParameterName[0]);
var value = decodeURIComponent(sParameterName[1]);
helper.toggleRefine(facet, value, false);
}
// Page has to be set in the end to avoid being overwritten
var page = decodeURIComponent(sURLVariables[1].split('=')[1]) - 1;
helper.setCurrentPage(page);
}
function setURLParams(state) {
var urlParams = '#';
var currentQuery = state.query;
urlParams += 'q=' + encodeURIComponent(currentQuery);
var currentPage = state.page + 1;
urlParams += '&page=' + currentPage;
for (var facetRefine in state.facetsRefinements) {
urlParams += '&' + encodeURIComponent(facetRefine) + '=' + encodeURIComponent(state.facetsRefinements[facetRefine]);
}
for (var disjunctiveFacetrefine in state.disjunctiveFacetsRefinements) {
for (var value in state.disjunctiveFacetsRefinements[disjunctiveFacetrefine]) {
urlParams += '&' + encodeURIComponent(disjunctiveFacetrefine) + '=' + encodeURIComponent(state.disjunctiveFacetsRefinements[disjunctiveFacetrefine][value]);
}
}
location.replace(urlParams);
}
});