Do more prototyping!

components/InputEventSlug.tsx

@@ -0,0 +1,28 @@
+import * as React from "react"
+
+export interface InputSlug extends React.HTMLProps<HTMLInputElement> {
+    onSlugChange?: (val: string) => void,
+}
+
+export function InputSlug(props: InputSlug) {
+    const [text, setText] = React.useState("")
+
+    const handleChange = React.useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+            props.onChange?.(event)
+
+            let slug = event.target.value.toLowerCase().replaceAll(/[^a-z0-9]/g, "-")
+            props.onSlugChange?.(slug)
+            setText(slug)
+        },
+        []
+    )
+
+    return (
+        <input
+            type="text"
+            value={text}
+            onChange={handleChange}
+            {...props}
+        />
+    )
+}

components/Intro.tsx

@@ -1,31 +1,50 @@
 import { Trans, useTranslation } from "next-i18next"
 import { LoginContext } from "../contexts/login"
-import { useDefinedContext } from "../hooks/useDefinedContext"
+import { useDefinedContext } from "../utils/definedContext"
+import { InputSlug } from "./InputEventSlug"
 import { LoginButton } from "./LoginButton"
-import { TelegramUserLink } from "./TelegramUserLink"
+import { LogoutLink } from "./LogoutLink"
+import { TelegramUser } from "./TelegramUser"
 
 
 export function Intro() {
     const {t} = useTranslation("common")
-    const [login, setLogin] = useDefinedContext(LoginContext)
+    const [login, _] = useDefinedContext(LoginContext)
 
-    const loginMessage = login ? (
+    const loginMessage = login ? <>
             <Trans i18nKey="introTelegramLoggedIn">
-                Sei connesso come <TelegramUserLink u={login}/>!
+                introTelegramLoggedIn(1: <TelegramUser u={login}/>)
             </Trans>
-        ) : (
-            <Trans i18nKey="introTelegramLogin">
-                Effettua il login con Telegram per iniziare a creare il tuo evento.
-            </Trans>
-        )
+            <br/>
+            <LogoutLink/>
+        </> : <>
+            {t("introTelegramLogin")}
+        </>
 
+    const input = login ? <>
+        <p>
+            {t("introCreateEvent")}
+        </p>
+        <form>
+            {window.location.protocol}//
+            {window.location.host}/events/
+            <InputSlug
+                placeholder={t("introCreateEventSlugPlaceholder")}
+            />
+            <button aria-label="Continue" className="input-square input-positive">
+                →
+            </button>
+        </form>
+    </> : <>
+        <LoginButton
+            botName="festaappbot"
+        />
+    </>
 
     return <>
         <p>
             {loginMessage}
         </p>
-        <LoginButton
-            botName="festaappbot"
-        />
+        {input}
     </>
 }

components/LoginButton.tsx

@@ -1,17 +1,12 @@
 import * as React from 'react';
 import {LoginContext} from "../contexts/login"
 import OriginalTelegramLoginButton from 'react-telegram-login'
-import { useDefinedContext } from '../hooks/useDefinedContext';
+import { useDefinedContext } from '../utils/definedContext';
 
 export function LoginButton(props: any) {
     const [login, setLogin] = useDefinedContext(LoginContext)
 
-    return React.useMemo(() => (
-        login ? 
-            <button onClick={() => setLogin(null)} className="btn-telegram">
-                Log out
-            </button>
-        :
+    return (
         <div className="container-btn-telegram">
             <OriginalTelegramLoginButton
                 dataOnauth={setLogin}
@@ -19,7 +14,5 @@ export function LoginButton(props: any) {
                 {...props}
             />
         </div>
-        ),
-        [login]
     )
 }

components/LogoutLink.tsx

@@ -0,0 +1,16 @@
+import { useTranslation } from "next-i18next"
+import { LoginContext } from "../contexts/login"
+import { useDefinedContext } from "../utils/definedContext"
+
+export function LogoutLink() {
+    const [login, setLogin] = useDefinedContext(LoginContext)
+    const {t} = useTranslation("common")
+
+    return (
+        <small>
+            <a href="javascript:void(0)" onClick={() => setLogin(null)}>
+                {t("introTelegramLogout")}
+            </a>
+        </small>
+    )
+}

components/Postcard.tsx

@@ -1,6 +1,6 @@
 import Image from "next/image";
 import { PostcardContext } from "../contexts/postcard";
-import { useDefinedContext } from "../hooks/useDefinedContext";
+import { useDefinedContext } from "../utils/definedContext";
 
 export function Postcard() {
     const [postcard, _] = useDefinedContext(PostcardContext)

components/TelegramAvatar.tsx

@@ -0,0 +1,21 @@
+import { LoginContext } from "../contexts/login";
+import { useDefinedContext } from "../utils/definedContext";
+import { UserData } from "../utils/telegram";
+
+
+export interface TelegramAvatarProps {
+    u: UserData
+}
+
+
+export function TelegramAvatar({u}: TelegramAvatarProps) {
+    const [login, _] = useDefinedContext(LoginContext)
+
+    return login ?
+        <img
+            src={u.photo_url}
+            className="avatar-telegram-inline"
+        />
+    :
+        null
+}

components/TelegramUser.tsx

@@ -1,24 +1,28 @@
 import { UserData } from "../utils/telegram";
+import { TelegramAvatar } from "./TelegramAvatar";
 
 interface TelegramUserLinkProps {
     u: UserData
 }
 
-export function TelegramUserLink({u}: TelegramUserLinkProps) {
+export function TelegramUser({u}: TelegramUserLinkProps) {
 
     if(u.username) return (
         <a href={`https://t.me/${u.username}`}>
+            <TelegramAvatar u={u}/>
             {u.username}
         </a>
     )
     else if(u.last_name) return (
         <span>
+            <TelegramAvatar u={u}/>
             {u.first_name} {u.last_name}
         </span>
     )
     else return (
         <span>
-            u.first_name
+            <TelegramAvatar u={u}/>
+            {u.first_name}
         </span>
     )
 }

components/UserAvatar.tsx

@@ -1,14 +0,0 @@
-import { LoginContext } from "../contexts/login";
-import { useDefinedContext } from "../hooks/useDefinedContext";
-
-export function UserAvatar() {
-    const [login, _] = useDefinedContext(LoginContext)
-
-    return login ?
-        <img
-            src={login?.photo_url}
-            className="avatar-telegram"
-        />
-    :
-        null
-}

contexts/login.tsx

@@ -1,4 +1,5 @@
-import { createStateContext } from "../hooks/useStateContext";
+import { useStorageState } from "react-storage-hooks";
+import { createStateContext } from "../utils/stateContext";
 import * as Telegram from "../utils/telegram"
 
 

contexts/postcard.tsx

@@ -1,4 +1,4 @@
-import { createStateContext } from "../hooks/useStateContext";
+import { createStateContext } from "../utils/stateContext";
 import { StaticImageData } from "next/image";
 import * as Telegram from "../utils/telegram"
 

package.json

@@ -10,11 +10,13 @@
   },
   "dependencies": {
     "@prisma/client": "3.14.0",
+    "classnames": "^2.3.1",
     "next": "12.1.6",
     "next-i18next": "^11.0.0",
     "prisma": "^3.14.0",
     "react": "18.1.0",
     "react-dom": "18.1.0",
+    "react-storage-hooks": "^4.0.1",
     "react-telegram-login": "^1.1.2"
   },
   "devDependencies": {

pages/_app.tsx

@@ -4,21 +4,47 @@ import '../styles/postcard.css'
 import "../styles/index.css"
 import type { AppProps } from 'next/app'
 import { LoginContext } from '../contexts/login'
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import * as Telegram from "../utils/telegram"
 import defaultPostcard from "../public/postcards/adi-goldstein-Hli3R6LKibo-unsplash.jpg"
 import { Postcard } from '../components/Postcard'
 import { PostcardContext } from '../contexts/postcard'
 import { StaticImageData } from 'next/image'
 import { appWithTranslation } from 'next-i18next'
+import { useStorageState } from 'react-storage-hooks'
+
+const dummyStorage = {
+    getItem: () => null,
+    setItem: () => {},
+    removeItem: () => {},
+};
 
 const App = ({ Component, pageProps }: AppProps): JSX.Element => {
-    const loginHook = useState<Telegram.LoginData | null>(null)
-    const postcardHook = useState<string | StaticImageData>(defaultPostcard)
+    const [login, setLogin] = useState<Telegram.LoginData | null>(null)
+    const [postcard, setPostcard] = useState<string | StaticImageData>(defaultPostcard)
+
+    // Ha ha ha. Fooled you again, silly SSR!
+    const thatStorageOverThere = typeof sessionStorage !== "undefined" ? sessionStorage : undefined
+
+    useEffect(
+        () => {
+            if(thatStorageOverThere === undefined) return
+
+            const raw = sessionStorage.getItem("login")
+            if(raw === null) return
+
+            const parsed = JSON.parse(raw) as Telegram.LoginData
+            const response = new Telegram.LoginResponse(parsed)
+            if(!response.isRecent) return
+
+            setLogin(parsed)
+        },
+        [thatStorageOverThere]
+    )
 
     return (
-        <PostcardContext.Provider value={postcardHook}>
-        <LoginContext.Provider value={loginHook}>
+        <PostcardContext.Provider value={[postcard, setPostcard]}>
+        <LoginContext.Provider value={[login, setLogin]}>
             <Postcard/>
             <Component {...pageProps} />
         </LoginContext.Provider>

public/locales/it-IT/common.json

@@ -1,6 +1 @@
-{
-    "siteTitle": "Festa",
-    "siteSubtitle": "Organizza il tuo evento ora!",
-    "introTelegramLogin": "Effettua il login con Telegram per iniziare a creare il tuo evento.",
-    "introTelegramLoggedIn": "Sei connesso come <1/>! Non sei tu?"
-}
+{}

public/locales/it-IT/common.json.disabled

@@ -0,0 +1,8 @@
+{
+    "siteTitle": "Festa",
+    "siteSubtitle": "Organizza il tuo evento ora!",
+    "introTelegramLogin": "Effettua il login con Telegram per iniziare a creare il tuo evento.",
+    "introTelegramLoggedIn": "Sei connesso come <1/>!",
+    "introTelegramLogout": "Non sei tu?",
+    "introCreateEvent": ""
+}

styles/globals.css

@@ -1,7 +1,43 @@
-html, body {
+@media (prefers-color-scheme: light) {
+    body {
+        --background: #fafafa;
+        --foreground: black;
+        --border: darkgray;
+        
+        --anchor: #4444ff;
+        --anchor-visited: #aa44ff;
+        --anchor-active: #ff4444;
+
+        --positive: #008800;
+        --negative: #880000;
+    }
+}
+
+@media (prefers-color-scheme: dark) {
+    body {
+        --background: #050505;
+        --foreground: white;
+        --border: darkgray;
+
+        --anchor: #8888ff;
+        --anchor-visited: #aa88ff;
+        --anchor-active: #ff8888;
+        
+        --positive: #88ff88;
+        --negative: #ff8888;
+    }
+}
+
+
+body {
     padding: 0;
     margin: 0;
+
+    background-color: var(--background);
+
     font-family: sans-serif;
+    color: var(--foreground);
+    text-shadow: 1px 1px 1px var(--background);
 }
 
 * {
@@ -10,43 +46,61 @@ html, body {
 
 h1, h2, h3, h4, h5, h6 {
     margin: 0;
-}
-
-@media (prefers-color-scheme: light) {
-    body {
-        background-color: white;
-        color: black;
-    }
-
-    h1, h2, h3, h4, h5, h6 {
-        text-shadow: 1px 1px 1px white;
+    text-shadow: 2px 2px 2px var(--background);
 }
 
 a {
-        color: #4444ff;
+    color: var(--anchor);
 }
 
 a:visited {
-        color: #aa44ff;
-    }
+    color: var(--anchor-visited);
 }
 
-@media (prefers-color-scheme: dark) {
-    body {
-        background-color: black;
-        color: white;
-        text-shadow: 1px 1px 1px black;
+a:active {
+    color: var(--anchor-active);
 }
 
-    h1, h2, h3, h4, h5, h6 {
-        text-shadow: 2px 2px 2px black;
+input, button {
+    padding: 8px;
+    margin: 2px 4px;
+
+    color: var(--foreground);
+    background-color: var(--background);
+
+    border-width: 2px;
+    border-color: var(--border);
+    border-radius: 16px;
+
+    font-size: medium;
+    height: 40px;
+
+    vertical-align: middle;
 }
 
-    a {
-        color: #8888ff;
+input[type="text"] {
+    border-style: inset;
 }
 
-    a:visited {
-        color: #aa88ff;
+input[type="submit"], button {
+    border-style: outset;
 }
+
+input[type="submit"]:active, button:active {
+    border-style: inset;
+}
+
+.input-square {
+    width: 40px;
+    height: 40px;
+}
+
+.input-positive {
+    border-color: var(--positive);
+    color: var(--positive);
+}
+
+.input-negative {
+    border-color: var(--negative);
+    color: var(--negative);
 }

styles/telegram.css

@@ -21,10 +21,8 @@
     border-radius: 20px;
 }
 
-.avatar-telegram {
-    width: 40px;
-    height: 40px;
+.avatar-telegram-inline {
+    height: 1em;
     border-radius: 20px;
-
-    margin-left: 4px;
+    margin-right: 3px;
 }

utils/stateContext.tsx

@@ -1,6 +1,6 @@
 import * as React from "react"
 import { useContext } from "react"
-import { createDefinedContext } from "./useDefinedContext"
+import { createDefinedContext } from "./definedContext"
 
 /**
  * Create a new defined context (see {@link createDefinedContext}) containing the tuple returned by {@link React.useState} for the given type.

utils/telegram.ts

@@ -1,6 +1,6 @@
 import nodecrypto from "crypto"
 import { ParsedUrlQuery } from "querystring"
-import * as QueryString from "./querystring"
+import * as QueryString from "./queryString"
 
 /**
  * Serializable Telegram user data without any technical information.

yarn.lock

@@ -391,6 +391,11 @@ chalk@^4.0.0:
     ansi-styles "^4.1.0"
     supports-color "^7.1.0"
 
+classnames@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.npmjs.org/classnames/-/classnames-2.3.1.tgz#dfcfa3891e306ec1dad105d0e88f4417b8535e8e"
+  integrity sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA==
+
 color-convert@^2.0.1:
   version "2.0.1"
   resolved "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
@@ -1504,6 +1509,11 @@ react-is@^16.13.1, react-is@^16.7.0:
   resolved "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+react-storage-hooks@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npmjs.org/react-storage-hooks/-/react-storage-hooks-4.0.1.tgz#e30ed5cda48c77c431ecc02ec3824bd615f5b7fb"
+  integrity sha512-fetDkT5RDHGruc2NrdD1iqqoLuXgbx6AUpQSQLLkrCiJf8i97EtwJNXNTy3+GRfsATLG8TZgNc9lGRZOaU5yQA==
+
 react-telegram-login@^1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/react-telegram-login/-/react-telegram-login-1.1.2.tgz#28b9bdd68bb2710afca19354ac1f9428092836f0"