From 1e123c7b74e10effd25d0f64dea18844dd44b8f5 Mon Sep 17 00:00:00 2001
From: Guillaume Dorce <polynux.dev@gmail.com>
Date: Sat, 24 Feb 2024 18:26:41 +0100
Subject: [PATCH] add class to layout, add scrolltobottom, add newmessage,
 refresh on newmessage, store channel

---
 src/components/Members/Chat/NewMessage.tsx    | 119 ++++++++++++++++++
 .../Members/Chat/ScrollToBottom.tsx           |  67 ++++++++++
 src/components/Members/Home.tsx               |  49 ++++++--
 src/components/Members/LeftPanel/Channels.tsx |  16 ++-
 src/layouts/Layout.astro                      |   5 +-
 src/pages/espace-membres.astro                |   2 +-
 6 files changed, 243 insertions(+), 15 deletions(-)
 create mode 100644 src/components/Members/Chat/NewMessage.tsx
 create mode 100644 src/components/Members/Chat/ScrollToBottom.tsx

diff --git a/src/components/Members/Chat/NewMessage.tsx b/src/components/Members/Chat/NewMessage.tsx
new file mode 100644
index 0000000..df478a3
--- /dev/null
+++ b/src/components/Members/Chat/NewMessage.tsx
@@ -0,0 +1,119 @@
+import { useContext, useRef, useState } from 'preact/hooks';
+import { FaPlus, FaTimes } from 'react-icons/fa';
+import { MdSend } from 'react-icons/md';
+import { Pb } from '../../EspaceMembres';
+import { CurrentChannel } from '../Home';
+
+export default function NewMessage() {
+  const [message, setMessage] = useState('');
+  const [image, setImage] = useState('');
+  const pb = useContext(Pb);
+  const [preview, setPreview] = useState('');
+  const imageRef = useRef<HTMLInputElement>(null);
+  const { get } = useContext(CurrentChannel);
+
+  const handleImageSelect = (e: any) => {
+    setImage(e.target.value);
+    const file = e.target.files[0];
+    if (file) {
+      const src = URL.createObjectURL(file);
+      setPreview(src);
+    }
+  };
+
+  const handleSubmit = (e: any) => {
+    e.preventDefault();
+    if (message.trim().length === 0 && image.trim().length === 0) {
+      return;
+    }
+
+    const data = new FormData(e.target as HTMLFormElement);
+
+    //send message with image to pb
+    pb.collection('messages').create({
+      content: message,
+      image: data.get('image'),
+      channel: get().id,
+      author: pb.authStore.model?.id,
+    }).then(() => {
+      setMessage('');
+      setImage('');
+      setPreview('');
+      if (imageRef.current) {
+        imageRef.current.value = '';
+      }
+      const event = new Event('newMessage');
+      document.dispatchEvent(event);
+    });
+
+  };
+
+  const handleRemoveImage = () => {
+    setImage('');
+    setPreview('');
+  };
+
+  const handleInutChange = (e: any) => {
+    setMessage(e.target.value);
+  }
+
+  return (
+    <footer className="new-message z-10 flex justify-center w-full">
+      <div className="w-full max-w-3xl">
+        {preview !== '' && (
+          <div className="image-preview w-fit pb-2 absolute bottom-20">
+            <img src={preview} alt="Image" className="max-w-xs max-h-48 border-2 border-gray-500" />
+            <span className="rounded-full text-gray-800 bg-grey-dark text-lg p-2 block absolute -top-5 -right-5 bg-white cursor-pointer border border-slate-800 hover:text-gray-600 hover:border-gray-600 transition-all" onClick={handleRemoveImage}>
+              <FaTimes className="" />
+            </span>
+          </div>
+        )}
+        <form
+          onSubmit={handleSubmit}
+          className="flex gap-2p-2 border border-gray-500 mx-2 sm:p-3 md:mx-0"
+        >
+          <div className="file">
+            <label htmlFor="image" className="cursor-pointer block p-2">
+              <span className="rounded-full text-white bg-gray-800 text-lg p-2 block">
+                <FaPlus className="" />
+              </span>
+              <span className="sr-only">Ajouter une image</span>
+            </label>
+            <input
+              type="file"
+              name="image"
+              id="image"
+              accept="image/*"
+              className="hidden"
+              {...(image !== '' && { value: image })}
+              onChange={handleImageSelect}
+              ref={imageRef}
+            />
+          </div>
+
+          <div className="new-message flex-grow">
+            <input
+              type="text"
+              value={message}
+              onChange={handleInutChange}
+              placeholder="Écrivez votre message..."
+              className="text-gray-800 p-2.5 w-full placeholder-gray-400 text-2xl focus:outline-none"
+              id="content"
+              name="content"
+            />
+            <label htmlFor="content" className="sr-only">
+              Écrivez votre message...
+            </label>
+          </div>
+          <button
+            type="submit"
+            className="py-2 px-4 text-3xl font-medium text-gray-800 hover:bg-white hover:text-gray-600 focus:outline-none focus:ring-2 focus:ring-gray-200 focus:ring-offset-2"
+          >
+            <span className="sr-only">Envoyer</span>
+            <MdSend className="fill-current" />
+          </button>
+        </form>
+      </div>
+    </footer>
+  );
+};
diff --git a/src/components/Members/Chat/ScrollToBottom.tsx b/src/components/Members/Chat/ScrollToBottom.tsx
new file mode 100644
index 0000000..235d449
--- /dev/null
+++ b/src/components/Members/Chat/ScrollToBottom.tsx
@@ -0,0 +1,67 @@
+import type { ComponentChildren } from 'preact';
+import { useCallback, useMemo, useState } from 'preact/hooks';
+import { FaChevronDown } from 'react-icons/fa';
+
+export default function ScrollToBottom ({ children, className = '' }: { children: ComponentChildren; className?: string }) {
+  const [node, setNode] = useState<HTMLDivElement | null>(null);
+  const [show, setShow] = useState(false);
+
+  const bottom = useCallback((node: HTMLDivElement) => {
+    if (node) {
+      node.scrollIntoView({ behavior: 'smooth' });
+      setNode(node);
+    }
+  }, []);
+
+  useMemo(() => {
+    if (node) {
+      const container = document.querySelector('main > div');
+      container?.addEventListener('DOMNodeInserted', (e) => {
+        if (!(e.target as Element).classList.contains('message')) return;
+        if (node?.getBoundingClientRect() && node.getBoundingClientRect().y >= window.innerHeight) {
+          node?.scrollIntoView({ behavior: 'smooth' });
+        }
+      });
+
+      container?.querySelectorAll('.message > div > img').forEach((img) => {
+        img.addEventListener('load', () => {
+          if (node?.getBoundingClientRect() && node.getBoundingClientRect().y >= window.innerHeight) {
+            node?.scrollIntoView({ behavior: 'smooth' });
+          }
+        });
+      });
+
+      const observer = new IntersectionObserver(
+        ([entry]) => {
+          if (entry.isIntersecting) {
+            setShow(false);
+          } else {
+            setShow(true);
+          }
+        },
+        { threshold: 1 }
+      );
+      observer.observe(node);
+      return () => observer.disconnect();
+    }
+  }, [node]);
+
+  return (
+    <>
+      <div className={className}>
+        {children}
+        <div className="scroll-bottom" ref={bottom}></div>
+      </div>
+      <button
+        onClick={() => node?.scrollIntoView({ behavior: 'smooth' })}
+        className={'absolute right-3 ' + (show ? 'animate-show bottom-3 block' : 'animate-hide hidden bottom-0 -mb-10')}
+        name="bottom"
+      >
+        <span className="popup-btn block cursor-pointer rounded-full transition-all border border-gray-500">
+          <FaChevronDown className="fill-grey-light hover:fill-grey-dark transition-all text-xl w-10 h-10 p-2.5" />
+        </span>
+        <span className="sr-only">Descendre en bas de la page</span>
+      </button>
+    </>
+  );
+};
diff --git a/src/components/Members/Home.tsx b/src/components/Members/Home.tsx
index 51f329b..b0c4e20 100644
--- a/src/components/Members/Home.tsx
+++ b/src/components/Members/Home.tsx
@@ -2,12 +2,19 @@ import LeftPanel from "./LeftPanel"
 import { Pb } from "../EspaceMembres"
 import { useContext, useEffect, useState } from "preact/hooks"
 import Message from "./Chat/Message"
+import NewMessage from "./Chat/NewMessage"
 import type { MessageExpand } from "./Chat/Message"
+import ScrollToBottom from "./Chat/ScrollToBottom"
+import { createContext } from "preact"
+
+export const CurrentChannel = createContext({
+  get: () => { return { name: '', id: '' } },
+  set: (channel: { name: string, id: string }) => { }
+});
 
 function Chat() {
   const pb = useContext(Pb);
   const [messages, setMessages] = useState<MessageExpand[]>([]);
-
   useEffect(() => {
     async function getMessages() {
       const data = await pb.collection('messages').getFullList<MessageExpand>({
@@ -17,23 +24,49 @@ function Chat() {
       setMessages(data);
     }
 
+    document.addEventListener('newMessage', getMessages);
+
     getMessages();
   }, [pb]);
 
   return (
-    <div className="w-full">
-      {messages.map((message) => (
-        <Message message={message} />
-      ))}
+    <div className="w-full min-h-full max-h-full bg-grey flex flex-col justify-between overflow-y-hidden">
+      <ScrollToBottom className="message-container flex flex-col gap-4 w-full overflow-y-scroll overflow-x-hidden pt-4 pb-6 px-2 md:px-0">
+        {messages.map((message) => (
+          <Message message={message} />
+        ))}
+      </ScrollToBottom>
+      <div className="flex justify-center">
+        <div className="w-full max-w-3xl">
+          <NewMessage />
+        </div>
+      </div>
     </div>
   )
 }
 
 export default function Home() {
+  const [channel, setChannel] = useState({ name: '', id: ''});
+
+  useEffect(() => {
+    const channel = localStorage.getItem('channel');
+    if (channel) {
+      setChannel(JSON.parse(channel));
+    }
+  }, []);
+
+  useEffect(() => {
+    if (!channel.id) return;
+    localStorage.setItem('channel', JSON.stringify(channel));
+    console.log(channel);
+  }, [channel]);
+
   return (
-    <div className="flex min-h-full flex-grow">
-      <LeftPanel />
-      <Chat />
+    <div className="flex min-h-full max-h-[90vh] flex-grow overflow-y-hidden">
+      <CurrentChannel.Provider value={{ get: () => channel, set: setChannel }}>
+        <LeftPanel />
+        <Chat />
+      </CurrentChannel.Provider>
     </div>
   )
 }
diff --git a/src/components/Members/LeftPanel/Channels.tsx b/src/components/Members/LeftPanel/Channels.tsx
index ac65539..4bd2126 100644
--- a/src/components/Members/LeftPanel/Channels.tsx
+++ b/src/components/Members/LeftPanel/Channels.tsx
@@ -1,18 +1,26 @@
 import { FaCog } from "react-icons/fa";
 import { Pb } from "../../EspaceMembres";
+import { CurrentChannel } from "../Home";
 import { useContext, useEffect, useState } from "preact/hooks";
-import type { ChannelsRecord } from "../../../types/pb_types";
+import type { ChannelsResponse } from "../../../types/pb_types";
 
 export default function Channels() {
   const pb = useContext(Pb);
-  const [channels, setChannels] = useState<Array<ChannelsRecord>>([]);
+  const { set } = useContext(CurrentChannel);
+
+  const [channels, setChannels] = useState<Array<ChannelsResponse>>([]);
   useEffect(() => {
-    pb.collection('channels').getFullList<ChannelsRecord>().then((data) => {
+    pb.collection('channels').getFullList<ChannelsResponse>().then((data) => {
       if (!data) return;
       setChannels(data);
+      set({ name: data[0].name ?? '', id: data[0].id ?? ''});
     });
   }, []);
 
+  const selectChannel = (channel: { name: string, id: string }) => {
+    set(channel);
+  }
+
   return (
     <div className="flex flex-col flex-grow border-b-2 border-b-gray-200">
       <div className="flex justify-between items-center p-4">
@@ -23,7 +31,7 @@ export default function Channels() {
       </div>
       <ul>
         {channels.map((channel) => (
-          <li className="p-2 hover:bg-gray-100 cursor-pointer text-xl flex items-center" key={channel}>
+          <li className="p-2 hover:bg-gray-100 cursor-pointer text-xl flex items-center" key={channel} onClick={() => selectChannel({ name: channel.name ?? '', id: channel.id ?? '' })}>
             <p className="flex-grow">
               <span className="text-gray-400">#</span> {channel.name}
             </p>
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 187e0e3..c8b9d07 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -5,9 +5,10 @@ import Footer from '../components/Footer.astro';
 interface Props {
 	title: string;
 	footer?: boolean;
+	className?: string;
 }
 
-const { title, footer = true } = Astro.props;
+const { title, footer = true, className } = Astro.props;
 ---
 
 <!doctype html>
@@ -20,7 +21,7 @@ const { title, footer = true } = Astro.props;
 		<meta name="generator" content={Astro.generator} />
 		<title>{title}</title>
 	</head>
-	<body class="min-h-[100vh] flex flex-col">
+	<body class={"min-h-[100vh] flex flex-col" + (className ? ` ${className}` : '')}>
 		<Header />
 		<div class="flex flex-col flex-grow">
 			<slot />
diff --git a/src/pages/espace-membres.astro b/src/pages/espace-membres.astro
index d86b193..0364968 100644
--- a/src/pages/espace-membres.astro
+++ b/src/pages/espace-membres.astro
@@ -2,6 +2,6 @@
 import Layout from '../layouts/Layout.astro';
 import EspaceMembres from '../components/EspaceMembres.tsx';
 ---
-<Layout title="Espace membres" footer={false}>
+<Layout title="Espace membres" footer={false} className='min-h-full max-h-full overflow-y-hidden'>
   <EspaceMembres client:only="preact"/>
 </Layout>