Add header functionality #183
144
lib/events.ts
144
lib/events.ts
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@ -5,6 +5,8 @@ import matter from "gray-matter";
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import { MDXRemoteSerializeResult } from "next-mdx-remote";
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import { serialize } from "next-mdx-remote/serialize";
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import type { Props } from "../pages/events/[year]/[term]/index";
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const EVENTS_PATH = path.join("content", "events");
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export const TERMS = ["winter", "spring", "fall"];
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@ -58,9 +60,13 @@ export async function getEventsByTerm(
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year: string,
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term: string
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): Promise<string[]> {
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return (await fs.readdir(path.join(EVENTS_PATH, year, term)))
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.filter((name) => name.endsWith(".md"))
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.map((name) => name.slice(0, -".md".length));
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try {
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return (await fs.readdir(path.join(EVENTS_PATH, year, term)))
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.filter((name) => name.endsWith(".md"))
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.map((name) => name.slice(0, -".md".length));
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} catch {
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return [];
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}
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}
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export async function getUpcomingEvents(): Promise<Event[]> {
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@ -97,3 +103,135 @@ export async function getUpcomingEvents(): Promise<Event[]> {
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);
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});
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}
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export async function getProps(year: string, term: string): Promise<Props> {
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const eventNames = await getEventsByTerm(year, term);
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const events: Event[] = (
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await Promise.all(
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eventNames.map((file: string) => getEventBySlug(year, term, file))
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)
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).sort(
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(a, b) =>
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new Date(a.metadata.date).getTime() - new Date(b.metadata.date).getTime()
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);
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const pastEvents = events
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.filter((event) => new Date(event.metadata.date).getTime() < Date.now())
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.reverse();
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const futureEvents = events.filter(
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(event) => new Date(event.metadata.date).getTime() >= Date.now()
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);
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const current = getCurrentTerm();
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const eventYears = await getEventYears();
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const minYear = eventYears[0];
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const pastTerms: { year: string; term: string }[] = [];
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let curPastYear = year;
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let curPastTerm = term;
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while (parseInt(curPastYear) >= parseInt(minYear) && pastTerms.length < 2) {
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const pastTerm = getPastTerm(curPastYear, curPastTerm);
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curPastYear = pastTerm.year;
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curPastTerm = pastTerm.term;
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if ((await getEventsByTerm(curPastYear, curPastTerm)).length !== 0) {
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pastTerms.push(pastTerm);
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}
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}
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pastTerms.reverse();
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const maxYear = eventYears[eventYears.length - 1];
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const futureTerms: { year: string; term: string }[] = [];
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let curFutureYear = year;
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let curFutureTerm = term;
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while (
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parseInt(curFutureYear) <= parseInt(maxYear) &&
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futureTerms.length < 2
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) {
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const futureTerm = getFutureTerm(curFutureYear, curFutureTerm);
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curFutureYear = futureTerm.year;
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curFutureTerm = futureTerm.term;
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if ((await getEventsByTerm(curFutureYear, curFutureTerm)).length !== 0) {
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futureTerms.push(futureTerm);
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}
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}
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return {
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year: year,
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term: term,
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pastEvents: pastEvents,
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futureEvents: futureEvents,
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isCurrentTerm: term === current.term && year === current.year,
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pastTerms: pastTerms,
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futureTerms: futureTerms,
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};
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}
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export function getCurrentTerm(): { year: string; term: string } {
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const date = new Date();
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let term = "";
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const year = date.getUTCFullYear().toString();
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if (
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new Date(`${year}-01-01 EST`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-04-30 EST`).getTime()
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) {
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term = "winter";
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} else if (
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new Date(`${year}-05-01 EST`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-08-31 EST`).getTime()
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) {
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term = "spring";
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} else if (
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new Date(`${year}-09-01 EST`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-12-31 EST`).getTime()
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) {
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term = "fall";
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}
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return { year, term };
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}
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function getPastTerm(
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year: string,
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term: string
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): { year: string; term: string } {
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const index = TERMS.indexOf(term);
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if (index === -1) {
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throw new Error("Not a valid term");
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}
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return index === 0
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? {
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year: (parseInt(year) - 1).toString(),
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term: TERMS[TERMS.length - 1],
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}
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: {
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year: year,
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term: TERMS[index - 1],
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};
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}
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function getFutureTerm(
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year: string,
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term: string
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): { year: string; term: string } {
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const index = TERMS.indexOf(term);
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if (index === -1) {
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throw new Error("Not a valid term");
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}
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return index === TERMS.length - 1
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? {
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year: (parseInt(year) + 1).toString(),
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term: TERMS[0],
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}
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: {
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year: year,
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term: TERMS[index + 1],
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};
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}
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@ -14,6 +14,16 @@
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}
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}
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.header a {
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color: var(--text);
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font-size: calc(18rem / 16);
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margin-right: calc(30rem / 16);
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}
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.header a .curTerm {
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color: var(--primary-accent);
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}
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.blue {
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color: var(--primary-accent);
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}
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@ -5,32 +5,64 @@ import { MDXRemote } from "next-mdx-remote";
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import React from "react";
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import { EventCard } from "@/components/EventCard";
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import { Link } from "@/components/Link";
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import { MiniEventCard } from "@/components/MiniEventCard";
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import {
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Event,
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getProps,
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getEventYears,
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getEventTermsByYear,
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getEventsByTerm,
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getEventBySlug,
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Event,
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TERMS,
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} from "@/lib/events";
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import styles from "./index.module.css";
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interface Props {
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term: string;
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export interface Props {
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year: string;
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term: string;
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pastEvents: Event[];
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futureEvents: Event[];
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isCurrentTerm: boolean;
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pastTerms: { year: string; term: string }[];
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futureTerms: { year: string; term: string }[];
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}
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export default function Term(props: Props) {
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let headerTerms = [{ year: props.year, term: props.term }];
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// p, Current, f
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if (props.pastTerms.length > 0 && props.futureTerms.length > 0) {
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headerTerms = [
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...props.pastTerms.slice(-1),
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...headerTerms,
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...props.futureTerms.slice(0, 1),
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];
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}
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// p, p, Current
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else if (props.pastTerms.length > 0) {
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headerTerms = [...props.pastTerms.slice(-2), ...headerTerms];
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}
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// Current, f, f
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else {
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headerTerms = [...headerTerms, ...props.futureTerms.slice(0, 2)];
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}
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headerTerms.reverse();
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const hasPastEvents = props.pastEvents.length !== 0;
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const hasFutureEvents = props.futureEvents.length !== 0;
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return (
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<div className={styles.main}>
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<div className={styles.header}>
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{headerTerms.map((link) => (
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<HeaderLink
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{...link}
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isCurrentTerm={link.year === props.year && link.term === props.term}
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key={link.year + link.term}
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/>
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))}
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<Link href="/events/archives">Archives</Link>
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</div>
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{hasFutureEvents && (
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<>
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<h2>Upcoming Events</h2>
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@ -52,9 +84,7 @@ export default function Term(props: Props) {
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<h2>
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Events Archive:
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<span className={styles.blue}>
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{` ${props.term.charAt(0).toUpperCase()}${props.term.slice(1)} ${
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props.year
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}`}
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{` ${capitalize(props.term)} ${props.year}`}
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</span>
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</h2>
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)}
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@ -72,6 +102,20 @@ export default function Term(props: Props) {
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);
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}
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function HeaderLink(props: {
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year: string;
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term: string;
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isCurrentTerm?: boolean;
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}) {
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return (
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<Link href={`/events/${props.year}/${props.term}`}>
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<span className={props.isCurrentTerm ? styles.curTerm : ""}>
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{`${capitalize(props.term)} ${props.year}`}
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</span>
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</Link>
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);
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}
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interface Params extends ParsedUrlQuery {
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year: string;
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term: string;
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@ -83,7 +127,7 @@ export const getStaticProps: GetStaticProps<Props, Params> = async (
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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const { year, term } = context.params!;
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return await getProps(year, term);
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return { props: await getProps(year, term) };
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};
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export const getStaticPaths: GetStaticPaths<Params> = async () => {
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@ -105,108 +149,6 @@ export const getStaticPaths: GetStaticPaths<Params> = async () => {
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};
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};
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export const getProps = async (
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year: string,
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term: string
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): Promise<{ props: Props }> => {
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const eventNames = await getEventsByTerm(year, term);
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const events: Event[] = (
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await Promise.all(
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eventNames.map((file: string) => getEventBySlug(year, term, file))
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)
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).sort(
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(a, b) =>
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new Date(a.metadata.date).getTime() - new Date(b.metadata.date).getTime()
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);
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const pastEvents = events
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.filter((event) => new Date(event.metadata.date).getTime() < Date.now())
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.reverse();
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const futureEvents = events.filter(
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(event) => new Date(event.metadata.date).getTime() >= Date.now()
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);
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const current = getCurrentTerm();
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// console.log(getPreviousTerm(term, year));
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// console.log(getNextTerm(term, year));
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return {
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props: {
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term: term,
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year: year,
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pastEvents: pastEvents,
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futureEvents: futureEvents,
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isCurrentTerm: term === current.term && year === current.year,
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},
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};
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};
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const getPreviousTerm = (
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year: string,
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term: string
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): { year: string; term: string } => {
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const index = TERMS.indexOf(term);
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if (index === -1) {
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console.error("Not a valid term");
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return { year: "", term: "" };
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} else if (index === 0) {
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return {
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year: (parseInt(year) - 1).toString(),
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term: TERMS[TERMS.length - 1],
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};
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} else {
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return {
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year: year,
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term: TERMS[index - 1],
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};
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}
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};
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const getNextTerm = (
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year: string,
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term: string
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): { year: string; term: string } => {
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const index = TERMS.indexOf(term);
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if (index === -1) {
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console.error("Not a valid term");
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return { year: "", term: "" };
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} else if (index === TERMS.length - 1) {
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return {
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year: (parseInt(year) + 1).toString(),
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term: TERMS[0],
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};
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} else {
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return {
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year: year,
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term: TERMS[index + 1],
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};
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}
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};
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export function getCurrentTerm() {
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const date = new Date();
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let term = "";
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const year = date.getUTCFullYear().toString();
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if (
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new Date(`${year}-01-01`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-04-30`).getTime()
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) {
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term = "winter";
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} else if (
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new Date(`${year}-05-01`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-08-31`).getTime()
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) {
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term = "spring";
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} else if (
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new Date(`${year}-09-01`).getTime() <= date.getTime() &&
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date.getTime() <= new Date(`${year}-12-31`).getTime()
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) {
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term = "fall";
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}
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return { term, year };
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function capitalize(str: string) {
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return str.slice(0, 1).toUpperCase() + str.slice(1);
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}
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Loading…
Reference in New Issue
you can just return here no?