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feat: Add product count fetch for filter buttons #95

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d46d352
feat: Add product count fetch for filter buttons
May 7, 2026
f587da3
Update view.phtml
May 20, 2026
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86 changes: 86 additions & 0 deletions src/view/frontend/templates/layer/navigation-form.phtml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,12 +23,14 @@ use Magento\Framework\View\Element\Template;
formFilters: false,
seoEnabled: false,
ajaxEndpoint: '/tweakwise/ajax/navigation',
countEndpoint: '/tweakwise/ajax/productcount',
filterFormSelector: '#facet-filter-form',
filterSelector: '#facet-filter-form',
productListSelector: '.products.wrapper',
toolbarSelector: '.toolbar.toolbar-products',
isLoading: false,
currentXhr: null,
countFetchController: null,
fetchController: null,
ajaxCache: true,
urlStrategy: null,
Expand All @@ -42,6 +44,7 @@ use Magento\Framework\View\Element\Template;

if (filterOptions) {
this.ajaxEndpoint = filterOptions.ajaxEndpoint;
this.countEndpoint = filterOptions.countEndpoint || this.countEndpoint;
this.ajaxFilters = filterOptions.ajaxFilters;
this.formFilters = filterOptions.formFilters;
this.seoEnabled = filterOptions.seoEnabled;
Expand All @@ -63,6 +66,10 @@ use Magento\Framework\View\Element\Template;
this.pmListReload(pmOptions.cookieName);
}
}

if (this.formFilters) {
this.bindCountUpdateEvents();
}
},
bindFilterClickEvents() {
const filterForm = document.querySelector(this.filterFormSelector);
Expand All @@ -83,6 +90,81 @@ use Magento\Framework\View\Element\Template;
}
},

/**
* Bind change events on filter inputs to update the "Show X items" button count.
* Only active when formFilters is enabled.
*/
bindCountUpdateEvents() {
const filterForm = document.querySelector(this.filterFormSelector);

if (!filterForm) {
return;
}

filterForm.addEventListener('change', (event) => {
if (event.target.classList.contains('js-skip-submit')) {
return;
}

this.fetchAndUpdateCount();
});
},

/**
* Fire a lightweight AJAX request to retrieve the product count for the current
* filter selection and update all "Show X items" buttons in the filter block.
*/
fetchAndUpdateCount() {
if (this.countFetchController) {
this.countFetchController.abort();
}

const filterParams = this.getFilterParameters();
let fetchUrl = this.countEndpoint;

if (filterParams) {
fetchUrl = `${fetchUrl}?${filterParams}`;
}

this.countFetchController = new AbortController();

fetch(fetchUrl, { signal: this.countFetchController.signal, cache: 'no-cache' })
.then(response => response.json())
.then(response => {
if (typeof response.product_count !== 'undefined') {
this.updateFilterButtonCount(response.product_count);
}
})
.catch((error) => {
if (error.name !== 'AbortError') {
console.error('Error fetching product count:', error);
}
});
},

/**
* Update the label of all "Show X items" buttons with the given product count.
*
* @param {number} count
*/
updateFilterButtonCount(count) {
const filterForm = document.querySelector(this.filterFormSelector);

if (!filterForm) {
return;
}

filterForm.querySelectorAll('.js-btn-filter').forEach((button) => {
const label = button.dataset.countLabel || '';
const text = label.replace('%count%', count);

if (text) {
button.textContent = text;
button.setAttribute('aria-label', text);
}
});
},

/**
* Init list reload for Personal Merchandising Cookie
*/
Expand Down Expand Up @@ -246,6 +328,10 @@ use Magento\Framework\View\Element\Template;
.then(response => {
this.ajaxUpdateBlocks(response.html);
this.ajaxUpdateState(response);

if (typeof response.product_count !== 'undefined') {
this.updateFilterButtonCount(response.product_count);
}
})
.catch((error) => {
if (error.name !== 'AbortError') {
Expand Down
12 changes: 9 additions & 3 deletions src/view/frontend/templates/layer/view.phtml
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,12 @@ $renderFilterButton = $tweakwiseNavigationConfig->isFormFilters();

$hasFilters = count($filters) > 0;
$filtered = count($block->getLayer()->getState()->getFilters());

if ($renderFilterButton) {
$showItemsLabel = __('Show %count% items')->render();
$productCount = $block->getLayer()->getProductCollection()->getSize();
$showItemsText = __('Show %1 items', $productCount)->render();
}
?>

<div class="block filter border border-container bg-container p-2 md:p-0 md:border-0 md:bg-transparent my-6<?=(!$hasFilters ? ' filter-no-options' : '')?>"
Expand Down Expand Up @@ -154,10 +160,10 @@ $filtered = count($block->getLayer()->getState()->getFilters());
<div class="show-items-link">
<button type="button"
class="btn btn-primary btn-block js-btn-filter"
aria-label="<?= $escaper->escapeHtmlAttr(__('Apply filters')) ?>"
data-count-label="<?= $escaper->escapeHtmlAttr($showItemsLabel) ?>"
aria-label="<?= $escaper->escapeHtmlAttr($showItemsText) ?>"
>
<?= $escaper->escapeHtml(__('Show items')); ?>

<?= $escaper->escapeHtml($showItemsText); ?>
</button>
</div>
<?php endif; ?>
Expand Down