UHF-9576 linked events keywords

hdbt.theme

@@ -21,6 +21,7 @@ use Drupal\helfi_tpr\Entity\Unit;
 use Drupal\image\Entity\ImageStyle;
 use Drupal\image\Plugin\Field\FieldType\ImageItem;
 use Drupal\language\ConfigurableLanguageManagerInterface;
+use Drupal\link\LinkItemInterface;
 use Drupal\menu_link_content\Plugin\Menu\MenuLinkContent;
 use Drupal\node\Entity\Node;
 use Drupal\node\NodeInterface;
@@ -1629,6 +1630,7 @@ function hdbt_preprocess_pager(&$variables): void {
 function hdbt_preprocess_paragraph__event_list(&$variables): void {
   // Expose event list variables to frontend.
   if (isset($variables['paragraph'])) {
+    /** @var \Drupal\helfi_react_search\Entity\EventList $paragraph */
     $paragraph = $variables['paragraph'];
     $settings = [];
 
@@ -1643,9 +1645,20 @@ function hdbt_preprocess_paragraph__event_list(&$variables): void {
       $settings['field_event_count'] = '3';
     }
 
+    $langcode = \Drupal::languageManager()
+      ->getCurrentLanguage()
+      ->getId();
+
+    $settings['field_filter_keywords'] = array_map(static fn ($term) => [
+      'id' => $term->get('field_keyword_id')->getString(),
+      'name' => $term->getName(),
+    ], $paragraph->getFilterKeywords($langcode));
+
     if ($paragraph->hasField('field_api_url') && !$paragraph->get('field_api_url')->isEmpty()) {
       $linkedEvents = Drupal::service('helfi_react_search_linked_events');
-      $events_public_url = $paragraph->get('field_api_url')->first()->getUrl()->toString();
+      $link_field = $events_public_url = $paragraph->get('field_api_url')->first();
+      assert($link_field instanceof LinkItemInterface);
+      $events_public_url = $link_field->getUrl()->toString();
       $settings['events_public_url'] = $events_public_url;
       $params = $linkedEvents->parseParams($events_public_url);
       $eventUrl = $linkedEvents->getEventsRequest($params, $settings['field_event_count']);

src/js/react/apps/linkedevents/components/TopicsFilter.tsx

@@ -0,0 +1,44 @@
+import { Select } from 'hds-react';
+import { useAtomValue, useAtom, useSetAtom } from 'jotai';
+
+import { topicsAtom, topicSelectionAtom, updateParamsAtom} from '../store';
+import SearchComponents from '../enum/SearchComponents';
+import ApiKeys from '../enum/ApiKeys';
+
+function TopicsFilter() {
+  const topics = useAtomValue(topicsAtom);
+  const [topicSelection, setTopicsFilter] = useAtom(topicSelectionAtom);
+  const updateParams = useSetAtom(updateParamsAtom);
+
+  const onChange = (value: any) => {
+    setTopicsFilter(value);
+    updateParams({ [ApiKeys.KEYWORDS]: value.map((topic: any) => topic.value).join(',') });
+  };
+
+  const selectLabel: string = Drupal.t('Event topic', {}, { context: 'React search: topics filter' });
+
+  return (
+    <div className='hdbt-search__filter event-form__filter--topics'>
+      <Select
+        className='hdbt-search__dropdown'
+        clearButtonAriaLabel={Drupal.t('Clear @label selection', {'@label': selectLabel}, { context: 'React search clear selection label' })}
+        label={selectLabel}
+        multiselect
+        // @ts-ignore
+        options={topics}
+        value={topicSelection}
+        id={SearchComponents.TOPICS}
+        onChange={onChange}
+        placeholder={Drupal.t('All topics', {}, { context: 'React search: topics filter' })}
+        selectedItemRemoveButtonAriaLabel={Drupal.t('Remove item', {}, { context: 'React search: remove item aria label' })}
+        theme={{
+          '--focus-outline-color': 'var(--hdbt-color-black)',
+          '--multiselect-checkbox-background-selected': 'var(--hdbt-color-black)',
+          '--placeholder-color': 'var(--hdbt-color-black)',
+        }}
+      />
+    </div>
+  );
+}
+
+export default TopicsFilter;

src/js/react/apps/linkedevents/containers/FormContainer.tsx

@@ -16,6 +16,7 @@ import {
   formErrorsAtom,
   updateUrlAtom,
 } from '../store';
+import TopicsFilter from '../components/TopicsFilter';
 
 
 function FormContainer() {
@@ -24,15 +25,22 @@ function FormContainer() {
   const errors = useAtomValue(formErrorsAtom);
   const url = useAtomValue(urlAtom);
   const updateUrl = useSetAtom(updateUrlAtom);
-  const { showLocation, showFreeFilter, showRemoteFilter, showTimeFilter } = filterSettings;
+  const {
+    showLocation,
+    showFreeFilter,
+    showRemoteFilter,
+    showTimeFilter,
+    showTopicsFilter,
+  } = filterSettings;
 
   const onSubmit = () => {
     updateUrl();
   };
 
   const handleSubmit = (e: FormEvent) => {
     e.preventDefault();
-    onSubmit(); return false;
+    onSubmit();
+    return false;
   };
 
   const bothCheckboxes = showFreeFilter && showRemoteFilter;
@@ -42,7 +50,7 @@ function FormContainer() {
   const freeLabel = bothCheckboxes ? freeTranslation : `${showOnlyLabel} ${freeTranslation.toLowerCase()}`;
   const remoteLabel = bothCheckboxes ? remoteTranslation : `${showOnlyLabel} ${remoteTranslation.toLowerCase()}`;
 
-  const showForm = showLocation || showFreeFilter || showTimeFilter || showRemoteFilter;
+  const showForm = showLocation || showFreeFilter || showTimeFilter || showRemoteFilter || showTopicsFilter;
   const HeadingTag = eventListTitle ? 'h3' : 'h2';
 
   if (!showForm) {
@@ -54,14 +62,17 @@ function FormContainer() {
       <HeadingTag className='event-list__filter-title'>{Drupal.t('Filter events', {}, { context: 'Events search: search form title' })}</HeadingTag>
       <div className='event-form__filters-container'>
         <div className='event-form__filter-section-container'>
+          {
+            showTopicsFilter &&
+            <TopicsFilter />
+          }
           {
             showLocation &&
               <LocationFilter />
           }
           {
             showTimeFilter &&
-              <DateSelect
-              />
+              <DateSelect />
           }
         </div>
         {

src/js/react/apps/linkedevents/containers/SelectionsContainer.tsx

@@ -7,6 +7,7 @@ import FilterButton from '@/react/common/FilterButton';
 import {
   resetFormAtom,
   locationSelectionAtom,
+  topicSelectionAtom,
   freeFilterAtom,
   remoteFilterAtom,
   startDateAtom,
@@ -29,16 +30,23 @@ const SelectionsContainer = ({ url }: SelectionsContainerProps) => {
   const startDate = useAtomValue(startDateAtom);
   const endDate = useAtomValue(endDateAtom);
   const [locationSelection, setLocationSelection] = useAtom(locationSelectionAtom);
+  const [topicsSelection, setTopicsSelection] = useAtom(topicSelectionAtom);
   const resetForm = useSetAtom(resetFormAtom);
 
-  const showClearButton = locationSelection.length || startDate || endDate || freeFilter || remoteFilter;
+  const showClearButton = locationSelection.length || topicsSelection.length || startDate || endDate || freeFilter || remoteFilter;
 
   if (!url) {
     return null;
   }
 
   return (
     <FilterBulletsWrapper showClearButton={showClearButton} resetForm={resetForm} url={url}>
+      <ListFilterPills
+        updater={setTopicsSelection}
+        valueKey={ApiKeys.KEYWORDS}
+        values={topicsSelection}
+        url={url}
+      />
       <ListFilterPills
         updater={setLocationSelection}
         valueKey={ApiKeys.LOCATION}

src/js/react/apps/linkedevents/enum/ApiKeys.ts

@@ -1,4 +1,5 @@
 export const ApiKeys = {
+  KEYWORDS: 'keyword_OR',
   FREE: 'is_free',
   LOCATION: 'location',
   PAGESIZE: 'page_size',

src/js/react/apps/linkedevents/enum/SearchComponents.ts

@@ -1,4 +1,5 @@
 const SearchComponents = {
+  TOPICS: 'topics',
   LOCATION: 'location',
   DATE: 'date',
   END_DISABLED: 'end_disabled',

src/js/react/apps/linkedevents/store.tsx

@@ -7,6 +7,7 @@ import Location from './types/Location';
 import OptionType from './types/OptionType';
 import FormErrors from './types/FormErrors';
 import ApiKeys from './enum/ApiKeys';
+import Topic from './types/Topic';
 
 interface Options {
   [key: string]: string
@@ -54,9 +55,14 @@ const createBaseAtom = () => {
     showTimeFilter: settings?.field_event_time,
     showFreeFilter: settings?.field_free_events,
     showRemoteFilter: settings?.field_remote_events,
+    showTopicsFilter: settings?.field_filter_keywords.length > 0,
     eventCount: Number(settings?.field_event_count)
   };
   const locations = transformLocations(settings?.places);
+  const topics: Topic[] = settings?.field_filter_keywords.map(topic => ({
+    value: topic.id,
+    label: topic.name.charAt(0).toUpperCase() + topic.name.slice(1),
+  }));
 
   let baseUrl;
   let initialParams;
@@ -76,6 +82,7 @@ const createBaseAtom = () => {
     initialUrl: eventsApiUrl,
     initialParams,
     locations,
+    topics,
     eventListTitle,
     eventsPublicUrl,
   };
@@ -101,6 +108,10 @@ export const locationAtom = atom(
   (get) => get(baseAtom)?.locations
 );
 
+export const topicsAtom = atom(
+  (get) => get(baseAtom)?.topics
+);
+
 export const titleAtom = atom(
   (get) => get(baseAtom)?.eventListTitle
 );
@@ -115,6 +126,8 @@ export const settingsAtom = atom(
     showLocation: false,
     showRemoteFilter: false,
     showTimeFilter: false,
+    showTopicsFilter: false,
+    topics: [],
     eventCount: 3
   }
 );
@@ -127,6 +140,8 @@ export const paramsAtom = atom(new URLSearchParams());
 
 export const locationSelectionAtom = atom<OptionType[]>([] as OptionType[]);
 
+export const topicSelectionAtom = atom<Topic[]>([]);
+
 export const startDateAtom = atom<DateTime|undefined>(undefined);
 
 export const endDateAtom = atom<DateTime|undefined>(undefined);
@@ -146,6 +161,7 @@ export const resetFormAtom = atom(null, (get, set) => {
   const initialParams = get(initialParamsAtom);
 
   set(locationSelectionAtom, []);
+  set(topicSelectionAtom, []);
   set(startDateAtom, undefined);
   set(endDateAtom, undefined);
   set(endDisabledAtom, false);

src/js/react/apps/linkedevents/types/FilterSettings.ts

@@ -1,8 +1,11 @@
+import Topic from './Topic';
+
 type FilterSettings = {
   showLocation: boolean,
   showTimeFilter: boolean,
   showFreeFilter: boolean,
   showRemoteFilter: boolean,
+  showTopicsFilter: boolean,
   eventCount: number
 };
 

src/js/react/apps/linkedevents/types/Topic.ts

@@ -0,0 +1,7 @@
+
+export type Topic = {
+  value: string,
+  label: string
+};
+
+export default Topic;

src/js/types/drupalSettings.d.ts

@@ -15,6 +15,10 @@ declare namespace drupalSettings {
         field_free_events: boolean,
         field_remote_events: boolean,
         field_event_count: string,
+        field_filter_keywords: {
+          id: string,
+          name: string,
+        }[],
         places: {
           [key:string]: {
             id: string,

src/scss/06_components/paragraphs/_event-list.scss

@@ -33,6 +33,7 @@ $tag-vertical-padding: 5px;
   }
 
   .event-form__filter--location,
+  .event-form__filter--topics,
   .event-form__filter--date {
     flex-basis: 100%;