add some date handling

web/package-lock.json

@@ -12,6 +12,8 @@
         "@graphql-codegen/client-preset": "^4.2.5",
         "@parcel/watcher": "^2.4.1",
         "@urql/next": "^1.1.1",
+        "date-fns": "^3.6.0",
+        "date-fns-tz": "^3.1.3",
         "graphql": "^16.8.1",
         "next": "14.2.3",
         "react": "^18",
@@ -3922,6 +3924,23 @@
       "resolved": "https://registry.npmjs.org/dataloader/-/dataloader-2.2.2.tgz",
       "integrity": "sha512-8YnDaaf7N3k/q5HnTJVuzSyLETjoZjVmHc4AeKAzOvKHEFQKcn64OKBfzHYtE9zGjctNM7V9I0MfnUVLpi7M5g=="
     },
+    "node_modules/date-fns": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-3.6.0.tgz",
+      "integrity": "sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww==",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/kossnocorp"
+      }
+    },
+    "node_modules/date-fns-tz": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/date-fns-tz/-/date-fns-tz-3.1.3.tgz",
+      "integrity": "sha512-ZfbMu+nbzW0mEzC8VZrLiSWvUIaI3aRHeq33mTe7Y38UctKukgqPR4nTDwcwS4d64Gf8GghnVsroBuMY3eiTeA==",
+      "peerDependencies": {
+        "date-fns": "^3.0.0"
+      }
+    },
     "node_modules/debounce": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/debounce/-/debounce-1.2.1.tgz",

web/package.json

@@ -14,6 +14,8 @@
     "@graphql-codegen/client-preset": "^4.2.5",
     "@parcel/watcher": "^2.4.1",
     "@urql/next": "^1.1.1",
+    "date-fns": "^3.6.0",
+    "date-fns-tz": "^3.1.3",
     "graphql": "^16.8.1",
     "next": "14.2.3",
     "react": "^18",

web/src/components/events/EventContainer.tsx

@@ -1,16 +1,21 @@
 "use client";
 
-import styles from "./eventContainer.module.scss";
+import { useState } from "react";
 import { EventItem } from "./EventItem";
 import { EventFilter } from "./EventFilter";
-import { EventFragment } from "@/gql/graphql";
+import { EventFragment, getSingularEvents } from "@/lib/event";
-import { getSingularEvents } from "@/lib/event";
+import {
-import { useState } from "react";
+  toLocalTime,
+  formatDate,
+  commonDateFormat,
+  isTodayOrFuture,
+} from "@/lib/date";
+import styles from "./eventContainer.module.scss";
 
 type EventContainerMode = "list" | "calendar";
 
 export const EventContainer = ({ events }: { events: EventFragment[] }) => {
-  const [mode, setMode] = useState<EventContainerMode>("list");
+  const [mode, setMode] = useState<EventContainerMode>("calendar");
 
   return (
     <div className={styles.events}>
@@ -38,10 +43,13 @@ const EventList = ({ events }: { events: EventFragment[] }) => {
 };
 
 const EventCalendar = ({ events }: { events: EventFragment[] }) => {
-  const singularEvents = getSingularEvents(events);
+  const singularEvents = getSingularEvents(events).filter((x) =>
+    x.occurrence?.start && isTodayOrFuture(x.occurrence.start)
+  );
+
   return (
     <ul className={styles.eventList}>
-      {events.map((event) => (
+      {singularEvents.map((event) => (
         <EventItem key={event.id} event={event} />
       ))}
     </ul>

web/src/components/events/EventItem.tsx

@@ -1,9 +1,16 @@
-import { SingularEvent } from "@/app/arrangementer/page";
+"use client";
+
 import styles from "./eventItem.module.scss";
 import Link from "next/link";
 import Image from "../general/Image";
+import { SingularEvent, EventFragment } from "@/lib/event";
+import { toLocalTime, formatDate, commonDateFormat } from "@/lib/date";
 
-export const EventItem = ({ event }: { event: SingularEvent }) => {
+export const EventItem = ({
+  event,
+}: {
+  event: SingularEvent | EventFragment;
+}) => {
   return (
     <li className={`${styles.eventItem} linkItem`}>
       <div className={styles.image}>
@@ -19,7 +26,11 @@ export const EventItem = ({ event }: { event: SingularEvent }) => {
       </div>
       <div className={styles.text}>
         <h1 className={styles.title}>{event.title}</h1>
-        {event.occurrence && <p className={styles.details}>{event.occurrence.start}</p>}
+        {event.occurrence?.start && (
+          <p className={styles.details}>
+            {formatDate(event.occurrence?.start, commonDateFormat)}
+          </p>
+        )}
       </div>
       <Link href={`/arrangementer/${event.slug}`} className="hiddenLink">
         Mer om arrangementet {event.title}

web/src/lib/date.ts

@@ -0,0 +1,24 @@
+import { isToday, isAfter, parseISO } from "date-fns";
+import { toZonedTime, format } from "date-fns-tz";
+
+const timeZone = "Europe/Oslo";
+
+export const commonDateFormat = "dd.MM.yyyy 'kl.' HH:mm";
+
+export function toLocalTime(date: Date | string | number) {
+  return toZonedTime(date, timeZone);
+}
+
+export function formatDate(date: Date | string | number, formatStr: string) {
+  return format(toLocalTime(date), formatStr, { timeZone });
+}
+
+export function isTodayOrFuture(
+  date: Date | string | number,
+  timeZone = "UTC"
+) {
+  const now = new Date();
+  const zonedNow = toZonedTime(now, timeZone);
+  const zonedDate = toLocalTime(date);
+  return isToday(zonedDate) || isAfter(zonedDate, zonedNow);
+}

web/src/lib/event.ts

@@ -1,6 +1,8 @@
 import { graphql } from "@/gql";
 import { EventFragment, EventOccurrence } from "@/gql/graphql";
 
+export type { EventFragment } from "@/gql/graphql"
+
 const EventFragmentDefinition = graphql(`
   fragment Event on EventPage {
     __typename