Add support for postcard feature

pages/api/events/[slug].ts

@@ -18,10 +18,11 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
         }
 
         const which = {
-            slug: req.query.slug
+            slug: req.query.slug,
         }
         const update = {
-            name: req.body.name
+            name: req.body.name,
+            postcard: req.body.postcard ?? null,
         }
     
         await restInPeace(req, res, {

pages/api/events/index.ts

@@ -19,7 +19,8 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
         const create = {
             slug: cryptoRandomString({ length: 12, type: "url-safe" }),
             creatorId: user.id,
-            name: req.body.name
+            name: req.body.name,
+            postcard: req.body.postcard ?? null,
         }
 
         await restInPeace(req, res, {

pages/events/[slug].tsx

@@ -3,10 +3,13 @@ import { NextPageContext } from "next";
 import { useTranslation } from "next-i18next";
 import { serverSideTranslations } from "next-i18next/serverSideTranslations";
 import { useRouter } from "next/router";
+import { useEffect } from "react";
 import useSWR from "swr";
 import { ErrorInline } from "../../components/ErrorInline";
 import { Loading } from "../../components/Loading";
+import { PostcardContext } from "../../contexts/postcard";
 import {useEventDetail} from "../../hooks/useEventDetail"
+import { useDefinedContext } from "../../utils/definedContext";
 import { database } from "../../utils/prismaClient";
 
 
@@ -37,6 +40,17 @@ type PageEventDetailProps = {
 
 export default function PageEventDetail({event}: PageEventDetailProps) {
     const {t} = useTranslation()
+    const [_, setPostcard] = useDefinedContext(PostcardContext)
+
+    useEffect(
+        () => {
+            console.debug(event.postcard)
+            if(event.postcard) {
+                setPostcard(event.postcard)
+            }
+        },
+        [event]
+    )
 
     return (
         <main id="page-event-detail" className="page">

pages/index.tsx

@@ -5,6 +5,9 @@ import { LoginContext } from '../contexts/login';
 import { useDefinedContext } from '../utils/definedContext';
 import { ActionLoginTelegram } from '../components/ActionLoginTelegram';
 import { ActionEventList } from '../components/ActionEventList';
+import { PostcardContext } from '../contexts/postcard';
+import defaultPostcard from "../public/postcards/adi-goldstein-Hli3R6LKibo-unsplash.jpg"
+import { useEffect } from 'react';
 
 
 export async function getStaticProps(context: NextPageContext) {
@@ -18,7 +21,15 @@ export async function getStaticProps(context: NextPageContext) {
 
 export default function PageIndex() {
     const { t } = useTranslation()
-    const [login, _] = useDefinedContext(LoginContext)
+    const [login, ] = useDefinedContext(LoginContext)
+    const [, setPostcard] = useDefinedContext(PostcardContext)
+
+    useEffect(
+        () => {
+            setPostcard(defaultPostcard)
+        },
+        []
+    )
 
     return (
         <main id="page-index" className="page">

prisma/schema.prisma

@@ -83,4 +83,6 @@ model Event {
     creator   User   @relation(fields: [creatorId], references: [id])
     /// The name of the event.
     name      String
+    /// The URL to the postcard of the event.
+    postcard String?
 }