From 0f1187fb084caf621e35b3aad78c4fdeb3742cdf Mon Sep 17 00:00:00 2001
From: Jon <jon@daily.co>
Date: Mon, 14 Jun 2021 14:14:58 +0100
Subject: [PATCH] added initial waiting room components and contexts

---
 dailyjs/basic-call/components/Room/Room.js    |  27 ++++-
 dailyjs/basic-call/pages/index.js             |   5 +-
 .../components/WaitingRoom/WaitingRoom.js     |  28 +++++
 .../WaitingRoom/WaitingRoomModal.js           |  16 +++
 .../WaitingRoom/WaitingRoomNotification.js    |  92 +++++++++++++++
 .../shared/components/WaitingRoom/index.js    |   4 +
 .../shared/contexts/WaitingRoomProvider.js    | 111 ++++++++++++++++++
 7 files changed, 277 insertions(+), 6 deletions(-)
 create mode 100644 dailyjs/shared/components/WaitingRoom/WaitingRoom.js
 create mode 100644 dailyjs/shared/components/WaitingRoom/WaitingRoomModal.js
 create mode 100644 dailyjs/shared/components/WaitingRoom/WaitingRoomNotification.js
 create mode 100644 dailyjs/shared/components/WaitingRoom/index.js
 create mode 100644 dailyjs/shared/contexts/WaitingRoomProvider.js

diff --git a/dailyjs/basic-call/components/Room/Room.js b/dailyjs/basic-call/components/Room/Room.js
index ec98886..2e966fd 100644
--- a/dailyjs/basic-call/components/Room/Room.js
+++ b/dailyjs/basic-call/components/Room/Room.js
@@ -1,8 +1,14 @@
 import React from 'react';
+import {
+  WaitingRoomModal,
+  WaitingRoomNotification,
+} from '@dailyjs/shared/components/WaitingRoom';
 import { useCallState } from '@dailyjs/shared/contexts/CallProvider';
 import { useMediaDevices } from '@dailyjs/shared/contexts/MediaDeviceProvider';
+import { useParticipants } from '@dailyjs/shared/contexts/ParticipantsProvider';
 import { useUIState } from '@dailyjs/shared/contexts/UIStateProvider';
-import { ReactComponent as IconAdd } from '@dailyjs/shared/icons/add-md.svg';
+import { useWaitingRoom } from '@dailyjs/shared/contexts/WaitingRoomProvider';
+
 import { ReactComponent as IconCameraOff } from '@dailyjs/shared/icons/camera-off-md.svg';
 import { ReactComponent as IconCameraOn } from '@dailyjs/shared/icons/camera-on-md.svg';
 import { ReactComponent as IconLeave } from '@dailyjs/shared/icons/leave-md.svg';
@@ -17,9 +23,11 @@ import { Header } from './Header';
 import { Tray, TrayButton } from './Tray';
 
 export const Room = ({ onLeave }) => {
-  const { callObject, addFakeParticipant } = useCallState();
+  const { callObject } = useCallState();
+  const { localParticipant } = useParticipants();
   const { setShowDeviceModal } = useUIState();
   const { isCamMuted, isMicMuted } = useMediaDevices();
+  const { setShowModal, showModal } = useWaitingRoom();
 
   const toggleCamera = (newState) => {
     if (!callObject) return false;
@@ -39,6 +47,16 @@ export const Room = ({ onLeave }) => {
         <VideoGrid />
       </main>
 
+      {/* Show waiting room notification & modal if call owner */}
+      {localParticipant?.isOwner && (
+        <>
+          <WaitingRoomNotification />
+          {showModal && (
+            <WaitingRoomModal onClose={() => setShowModal(false)} />
+          )}
+        </>
+      )}
+
       <Tray>
         <TrayButton
           label="Camera"
@@ -57,10 +75,9 @@ export const Room = ({ onLeave }) => {
         <TrayButton label="Settings" onClick={() => setShowDeviceModal(true)}>
           <IconSettings />
         </TrayButton>
-        <TrayButton label="Add fake" onClick={() => addFakeParticipant()}>
-          <IconAdd />
-        </TrayButton>
+
         <span className="divider" />
+
         <TrayButton label="Leave" onClick={onLeave} orange>
           <IconLeave />
         </TrayButton>
diff --git a/dailyjs/basic-call/pages/index.js b/dailyjs/basic-call/pages/index.js
index 3f0250e..b55c5ce 100644
--- a/dailyjs/basic-call/pages/index.js
+++ b/dailyjs/basic-call/pages/index.js
@@ -4,6 +4,7 @@ import { MediaDeviceProvider } from '@dailyjs/shared/contexts/MediaDeviceProvide
 import { ParticipantsProvider } from '@dailyjs/shared/contexts/ParticipantsProvider';
 import { TracksProvider } from '@dailyjs/shared/contexts/TracksProvider';
 import { UIStateProvider } from '@dailyjs/shared/contexts/UIStateProvider';
+import { WaitingRoomProvider } from '@dailyjs/shared/contexts/WaitingRoomProvider';
 import PropTypes from 'prop-types';
 import App from '../components/App';
 import { Intro, NotConfigured } from '../components/Intro';
@@ -95,7 +96,9 @@ export default function Index({ domain, isConfigured = false }) {
         <ParticipantsProvider>
           <TracksProvider>
             <MediaDeviceProvider>
-              <App />
+              <WaitingRoomProvider>
+                <App />
+              </WaitingRoomProvider>
             </MediaDeviceProvider>
           </TracksProvider>
         </ParticipantsProvider>
diff --git a/dailyjs/shared/components/WaitingRoom/WaitingRoom.js b/dailyjs/shared/components/WaitingRoom/WaitingRoom.js
new file mode 100644
index 0000000..5452545
--- /dev/null
+++ b/dailyjs/shared/components/WaitingRoom/WaitingRoom.js
@@ -0,0 +1,28 @@
+import React, { useEffect } from 'react';
+import { useCallState } from '@dailyjs/shared/contexts/CallProvider';
+
+export const WaitingRoom = () => {
+  const { callObject } = useCallState();
+
+  /**
+   * Show notification when waiting participants change.
+   */
+  useEffect(() => {
+    const handleWaitingParticipantAdded = () => {
+      console.log('people are waiting');
+      // setShowNotification(Object.keys(daily.waitingParticipants()).length > 0);
+    };
+
+    callObject.on('waiting-participant-added', handleWaitingParticipantAdded);
+    return () => {
+      callObject.off(
+        'waiting-participant-added',
+        handleWaitingParticipantAdded
+      );
+    };
+  }, [callObject]);
+
+  return <div>Waiting Room</div>;
+};
+
+export default WaitingRoom;
diff --git a/dailyjs/shared/components/WaitingRoom/WaitingRoomModal.js b/dailyjs/shared/components/WaitingRoom/WaitingRoomModal.js
new file mode 100644
index 0000000..6873d9d
--- /dev/null
+++ b/dailyjs/shared/components/WaitingRoom/WaitingRoomModal.js
@@ -0,0 +1,16 @@
+import React from 'react';
+import Modal from '@dailyjs/shared/components/Modal';
+
+import PropTypes from 'prop-types';
+
+export const WaitingRoomModal = ({ onClose }) => (
+  <Modal title="Waiting room" isOpen onClose={() => onClose()} actions={[]}>
+    Hello
+  </Modal>
+);
+
+WaitingRoomModal.propTypes = {
+  onClose: PropTypes.func,
+};
+
+export default WaitingRoomModal;
diff --git a/dailyjs/shared/components/WaitingRoom/WaitingRoomNotification.js b/dailyjs/shared/components/WaitingRoom/WaitingRoomNotification.js
new file mode 100644
index 0000000..06e8688
--- /dev/null
+++ b/dailyjs/shared/components/WaitingRoom/WaitingRoomNotification.js
@@ -0,0 +1,92 @@
+import React, { useEffect, useState } from 'react';
+
+import { useCallState } from '../../contexts/CallProvider';
+import { useWaitingRoom } from '../../contexts/WaitingRoomProvider';
+import { Button } from '../Button';
+
+export const WaitingRoomNotification = () => {
+  const { callObject } = useCallState();
+  const {
+    denyAccess,
+    grantAccess,
+    showModal,
+    setShowModal,
+    waitingParticipants,
+  } = useWaitingRoom();
+  const [showNotification, setShowNotification] = useState(false);
+
+  /**
+   * Show notification when waiting participants change.
+   */
+  useEffect(() => {
+    if (showModal) return false;
+
+    const handleWaitingParticipantAdded = () => {
+      setShowNotification(
+        Object.keys(callObject.waitingParticipants()).length > 0
+      );
+    };
+
+    callObject.on('waiting-participant-added', handleWaitingParticipantAdded);
+    return () => {
+      callObject.off(
+        'waiting-participant-added',
+        handleWaitingParticipantAdded
+      );
+    };
+  }, [callObject, showModal]);
+
+  /**
+   * Hide notification when people panel is opened.
+   */
+  useEffect(() => {
+    if (showModal) setShowNotification(false);
+  }, [showModal]);
+
+  if (!showNotification || waitingParticipants.length === 0) return null;
+
+  const hasMultiplePeopleWaiting = waitingParticipants.length > 1;
+
+  const handleViewAllClick = () => {
+    setShowModal(true);
+    setShowNotification(false);
+  };
+  const handleAllowClick = () => {
+    grantAccess(waitingParticipants[0].id);
+  };
+  const handleDenyClick = () => {
+    denyAccess(hasMultiplePeopleWaiting ? 'all' : waitingParticipants[0].id);
+  };
+  const handleClose = () => setShowNotification(false);
+
+  return (
+    <div className="waiting-room-notification">
+      <>
+        {hasMultiplePeopleWaiting ? (
+          <Button onClick={handleViewAllClick}>View all</Button>
+        ) : (
+          <Button onClick={handleAllowClick}>Allow</Button>
+        )}
+        <Button onClick={handleDenyClick} variant="secondary">
+          {hasMultiplePeopleWaiting
+            ? 'waitingRoom.denyAll'
+            : 'waitingRoom.deny'}
+        </Button>
+        <Button onClick={handleClose} variant="ghost">
+          Close
+        </Button>
+      </>
+
+      <style jsx>{`
+        .waiting-room-notification {
+          position: absolute;
+          right: var(--spacing-sm);
+          top: var(--spacing-sm);
+          background: red;
+        }
+      `}</style>
+    </div>
+  );
+};
+
+export default WaitingRoomNotification;
diff --git a/dailyjs/shared/components/WaitingRoom/index.js b/dailyjs/shared/components/WaitingRoom/index.js
new file mode 100644
index 0000000..d7affb2
--- /dev/null
+++ b/dailyjs/shared/components/WaitingRoom/index.js
@@ -0,0 +1,4 @@
+export { WaitingRoom as default } from './WaitingRoom';
+export { WaitingRoom } from './WaitingRoom';
+export { WaitingRoomModal } from './WaitingRoomModal';
+export { WaitingRoomNotification } from './WaitingRoomNotification';
diff --git a/dailyjs/shared/contexts/WaitingRoomProvider.js b/dailyjs/shared/contexts/WaitingRoomProvider.js
new file mode 100644
index 0000000..978036a
--- /dev/null
+++ b/dailyjs/shared/contexts/WaitingRoomProvider.js
@@ -0,0 +1,111 @@
+import React, {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useState,
+} from 'react';
+import PropTypes from 'prop-types';
+import { useCallState } from './CallProvider';
+
+const WaitingRoomContext = createContext(null);
+
+export const WaitingRoomProvider = ({ children }) => {
+  const { callObject } = useCallState();
+  const [waitingParticipants, setWaitingParticipants] = useState([]);
+  const [showModal, setShowModal] = useState(false);
+
+  const handleWaitingParticipantEvent = useCallback(() => {
+    if (!callObject) return;
+
+    const waiting = Object.entries(callObject.waitingParticipants());
+
+    console.log(`🚪 ${waiting.length} participant(s) waiting for access`);
+
+    setWaitingParticipants((wp) =>
+      waiting.map(([pid, p]) => {
+        const prevWP = wp.find(({ id }) => id === pid);
+        return {
+          ...p,
+          joinDate: prevWP?.joinDate ?? new Date(),
+        };
+      })
+    );
+  }, [callObject]);
+
+  useEffect(() => {
+    if (waitingParticipants.length === 0) {
+      setShowModal(false);
+    }
+  }, [waitingParticipants]);
+
+  useEffect(() => {
+    if (!callObject) return false;
+
+    console.log('🚪 Waiting room provider listening for requests');
+
+    const events = [
+      'waiting-participant-added',
+      'waiting-participant-updated',
+      'waiting-participant-removed',
+    ];
+
+    events.forEach((e) => callObject.on(e, handleWaitingParticipantEvent));
+
+    return () =>
+      events.forEach((e) => callObject.off(e, handleWaitingParticipantEvent));
+  }, [callObject, handleWaitingParticipantEvent]);
+
+  const updateWaitingParticipant = (id, grantRequestedAccess) => {
+    if (!waitingParticipants.some((p) => p.id === id)) return;
+    callObject.updateWaitingParticipant(id, {
+      grantRequestedAccess,
+    });
+    setWaitingParticipants((wp) => wp.filter((p) => p.id !== id));
+  };
+
+  const updateAllWaitingParticipants = (grantRequestedAccess) => {
+    if (!waitingParticipants.length) return;
+    callObject.updateWaitingParticipants({
+      '*': {
+        grantRequestedAccess,
+      },
+    });
+    setWaitingParticipants([]);
+  };
+
+  const grantAccess = (id = 'all') => {
+    if (id === 'all') {
+      updateAllWaitingParticipants(true);
+      return;
+    }
+    updateWaitingParticipant(id, true);
+  };
+  const denyAccess = (id = 'all') => {
+    if (id === 'all') {
+      updateAllWaitingParticipants(false);
+      return;
+    }
+    updateWaitingParticipant(id, false);
+  };
+
+  return (
+    <WaitingRoomContext.Provider
+      value={{
+        denyAccess,
+        grantAccess,
+        setShowModal,
+        showModal,
+        waitingParticipants,
+      }}
+    >
+      {children}
+    </WaitingRoomContext.Provider>
+  );
+};
+
+WaitingRoomProvider.propTypes = {
+  children: PropTypes.node,
+};
+
+export const useWaitingRoom = () => useContext(WaitingRoomContext);