fetch and filter on event categories

web/src/components/events/EventContainer.tsx

@@ -5,6 +5,7 @@ import { EventItem } from "./EventItem";
 import { EventFilter } from "./EventFilter";
 import {
   EventFragment,
+  EventCategoryFragment,
   SingularEvent,
   getSingularEvents,
   organizeEventsByDate,
@@ -12,23 +13,54 @@ import {
 import { isTodayOrFuture } from "@/lib/date";
 import styles from "./eventContainer.module.scss";
 import { formatDate, formatYearMonth } from "@/lib/date";
-import { getYear, parse } from "date-fns";
+import { parse } from "date-fns";
 
-export const EventContainer = ({ events }: { events: EventFragment[] }) => {
+/*
+  TODO: canonical / alternate URLs https://github.com/47ng/nuqs?tab=readme-ov-file#seo
+*/
+
+export const EventContainer = ({
+  events,
+  eventCategories,
+}: {
+  events: EventFragment[];
+  eventCategories: EventCategoryFragment[];
+}) => {
   const [mode, setMode] = useQueryState(
     "mode",
     parseAsStringLiteral(["list", "calendar"]).withDefault("list")
   );
+
+  const filterableCategories = eventCategories.filter((x) => x.showInFilters);
+  const [category, setCategory] = useQueryState(
+    "category",
+    parseAsStringLiteral(filterableCategories.map((x) => x.slug)).withDefault(
+      null
+    )
+  );
+
+  const filteredEvents = events.filter(
+    (x) =>
+      !category ||
+      x.categories
+        ?.map((eventCategory) => eventCategory.slug)
+        .includes(category)
+  );
+
   return (
     <div className={styles.events}>
-      <EventFilter />
+      <EventFilter
+        eventCategories={filterableCategories}
+        setCategory={setCategory}
+        activeCategory={category}
+      />
       <div className={styles.eventWrapper}>
         <div className={styles.displayOptions}>
           <button onClick={() => setMode(null)}>Vis liste</button>
           <button onClick={() => setMode("calendar")}>Vis kalender</button>
         </div>
-        {mode === "list" && <EventList events={events} />}
-        {mode === "calendar" && <EventCalendar events={events} />}
+        {mode === "list" && <EventList events={filteredEvents} />}
+        {mode === "calendar" && <EventCalendar events={filteredEvents} />}
       </div>
     </div>
   );