Inline chat moderation UI (#1331)

* - mock detect when user turns into moderator - add moderator indicator to display on messages and username changer * also mock moderator flag in message payload about user to display indicator * add some menu looking icons and a menu of actions * WIP chat moderators * Add support for admin promoting a user to moderator * WIP- open a more info panel of user+message info; add some a11y to buttons * style the details panel * adjust positioning of menus * Merge fixes. ChatClient->Client ChatServer->Server * Remove moderator bool placeholders to use real state * Support inline hiding of messages by moderators * Support inline banning of chat users * Cleanup linter warnings * Puppeteer tests fail after typing take place * Manually resolve conflicts in chat between moderator feature and develop Co-authored-by: Gabe Kangas <gabek@real-ity.com>
2021-11-02 19:27:41 -07:00
parent 4a52ba9f35
commit 9a91324456
23 changed files with 902 additions and 116 deletions
--- a/webroot/img/menu-filled.svg
+++ b/webroot/img/menu-filled.svg
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 330 330" style="enable-background:new 0 0 330 330;" xml:space="preserve"
+>
+<path d="M165,0C74.019,0,0,74.019,0,165s74.019,165,165,165s165-74.019,165-165S255.981,0,165,0z M85,190
+	c-13.785,0-25-11.215-25-25s11.215-25,25-25s25,11.215,25,25S98.785,190,85,190z M165,190c-13.785,0-25-11.215-25-25
+	s11.215-25,25-25s25,11.215,25,25S178.785,190,165,190z M245,190c-13.785,0-25-11.215-25-25s11.215-25,25-25
+	c13.785,0,25,11.215,25,25S258.785,190,245,190z"
+  fill="red"
+/>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+</svg>
--- a/webroot/img/menu-vert.svg
+++ b/webroot/img/menu-vert.svg
@@ -0,0 +1 @@
+<svg enable-background="new 0 0 32 32" height="512" viewBox="0 0 32 32" width="512" xmlns="http://www.w3.org/2000/svg" fill="white"><path id="XMLID_294_" d="m13 16c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/><path id="XMLID_295_" d="m13 26c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/><path id="XMLID_297_" d="m13 6c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/></svg>
--- a/webroot/img/menu.svg
+++ b/webroot/img/menu.svg
@@ -0,0 +1 @@
+<svg enable-background="new 0 0 515.555 515.555" height="512" viewBox="0 0 515.555 515.555" width="512" xmlns="http://www.w3.org/2000/svg" fill="white"><path d="m496.679 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/><path d="m303.347 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/><path d="m110.014 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/></svg>
--- a/webroot/js/app.js
+++ b/webroot/js/app.js
@@ -51,6 +51,7 @@ import {
  URL_VIEWER_PING,
  WIDTH_SINGLE_COL,
 } from './utils/constants.js';
+import { checkIsModerator } from './utils/chat.js';

 export default class App extends Component {
  constructor(props, context) {
@@ -67,6 +68,8 @@ export default class App extends Component {
      chatInputEnabled: false, // chat input box state
      accessToken: null,
      username: getLocalStorage(KEY_USERNAME),
+      isModerator: false,
+
      isRegistering: false,
      touchKeyboardActive: false,

@@ -558,7 +561,10 @@ export default class App extends Component {
      const { user } = e;
      const { displayName } = user;

-      this.setState({ username: displayName });
+      this.setState({
+        username: displayName,
+        isModerator: checkIsModerator(e),
+      });
    }
  }

@@ -627,6 +633,7 @@ export default class App extends Component {
      configData,
      displayChatPanel,
      canChat,
+      isModerator,

      isPlaying,
      orientation,
@@ -769,6 +776,7 @@ export default class App extends Component {
            >
              <${UsernameForm}
                username=${username}
+                isModerator=${isModerator}
                onUsernameChange=${this.handleUsernameChange}
                onFocus=${this.handleFormFocus}
                onBlur=${this.handleFormBlur}
--- a/webroot/js/components/chat/chat-message-view.js
+++ b/webroot/js/components/chat/chat-message-view.js
@@ -10,12 +10,14 @@ import {
 import { convertToText } from '../../utils/chat.js';
 import { SOCKET_MESSAGE_TYPES } from '../../utils/websocket.js';
 import { getDiffInDaysFromNow } from '../../utils/helpers.js';
+import ModeratorActions from './moderator-actions.js';

 export default class ChatMessageView extends Component {
  constructor(props) {
    super(props);
    this.state = {
      formattedMessage: '',
+      moderatorMenuOpen: false,
    };
  }

@@ -37,11 +39,14 @@ export default class ChatMessageView extends Component {
      });
    }
  }
-
  render() {
-    const { message } = this.props;
+    const { message, isModerator, accessToken } = this.props;
    const { user, timestamp } = message;
-    const { displayName, displayColor, createdAt } = user;
+    const { displayName, displayColor, createdAt,
+      isModerator: isAuthorModerator,
+     } = user;
+
+     const isMessageModeratable = isModerator && message.type === SOCKET_MESSAGE_TYPES.CHAT;

    const { formattedMessage } = this.state;
    if (!formattedMessage) {
@@ -61,8 +66,8 @@ export default class ChatMessageView extends Component {
      ? { backgroundColor: '#667eea' }
      : { backgroundColor: messageBubbleColorForHue(displayColor) };
    const messageClassString = isSystemMessage
-      ? getSystemMessageClassString()
-      : getChatMessageClassString();
+      ? 'message flex flex-row items-start p-4 m-2 rounded-lg shadow-l border-solid border-indigo-700 border-2 border-opacity-60 text-l'
+      : `message relative flex flex-row items-start p-3 m-3 rounded-lg shadow-s text-sm ${isMessageModeratable ? 'moderatable' : ''}`;

    return html`
      <div
@@ -73,11 +78,12 @@ export default class ChatMessageView extends Component {
        <div class="message-content break-words w-full">
          <div
            style=${authorTextColor}
-            class="message-author font-bold"
+            class="message-author font-bold${isAuthorModerator ? ' moderator-flag' : ''}"
            title=${userMetadata}
          >
            ${displayName}
          </div>
+          ${isMessageModeratable && html`<${ModeratorActions} message=${message} accessToken=${accessToken} />`}
          <div
            class="message-text text-gray-300 font-normal overflow-y-hidden pt-2"
            dangerouslySetInnerHTML=${{ __html: formattedMessage }}
@@ -88,14 +94,6 @@ export default class ChatMessageView extends Component {
  }
 }

-function getSystemMessageClassString() {
-  return 'message flex flex-row items-start p-4 m-2 rounded-lg shadow-l border-solid border-indigo-700 border-2 border-opacity-60 text-l';
-}
-
-function getChatMessageClassString() {
-  return 'message flex flex-row items-start p-3 m-3 rounded-lg shadow-s text-sm';
-}
-
 export async function formatMessageText(message, username) {
  let formattedText = getMessageWithEmbeds(message);
  formattedText = convertToMarkup(formattedText);
--- a/webroot/js/components/chat/chat.js
+++ b/webroot/js/components/chat/chat.js
@@ -6,7 +6,10 @@ import Message from './message.js';
 import ChatInput from './chat-input.js';
 import { CALLBACKS, SOCKET_MESSAGE_TYPES } from '../../utils/websocket.js';
 import { jumpToBottom, debounce } from '../../utils/helpers.js';
-import { extraUserNamesFromMessageHistory } from '../../utils/chat.js';
+import {
+  extraUserNamesFromMessageHistory,
+  checkIsModerator,
+} from '../../utils/chat.js';
 import {
  URL_CHAT_HISTORY,
  MESSAGE_JUMPTOBOTTOM_BUFFER,
@@ -21,6 +24,7 @@ export default class Chat extends Component {
      messages: [],
      newMessagesReceived: false,
      webSocketConnected: true,
+      isModerator: false,
    };

    this.scrollableMessagesContainer = createRef();
@@ -191,31 +195,34 @@ export default class Chat extends Component {
      (item) => item.id === messageId
    );

+    // check moderator status
+    if (messageType === SOCKET_MESSAGE_TYPES.CONNECTED_USER_INFO) {
+      const modStatusUpdate = checkIsModerator(message);
+      if (modStatusUpdate !== this.state.isModerator) {
+        this.setState({
+          isModerator: modStatusUpdate,
+        });
+      }
+    }
+
    const updatedMessageList = [...curMessages];

    // Change the visibility of messages by ID.
    if (messageType === 'VISIBILITY-UPDATE') {
      const idsToUpdate = message.ids;
      const visible = message.visible;
-
      updatedMessageList.forEach((item) => {
        if (idsToUpdate.includes(item.id)) {
          item.visible = visible;
        }
-
-        this.forceRender = true;
-        this.setState({
-          messages: updatedMessageList,
-        });
      });
-      return;
+      this.forceRender = true;
    } else if (existingIndex === -1 && messageVisible) {
+      // insert message at timestamp
      const convertedMessage = {
        ...message,
        type: 'CHAT',
      };
-
-      // insert message at timestamp
      const insertAtIndex = curMessages.findIndex((item, index) => {
        const time = item.timestamp || messageTimestamp;
        const nextMessage =
@@ -252,7 +259,11 @@ export default class Chat extends Component {
    }

    // if window is blurred and we get a new message, add 1 to title
-    if (!readonly && messageType === 'CHAT' && this.windowBlurred) {
+    if (
+      !readonly &&
+      messageType === SOCKET_MESSAGE_TYPES.CHAT &&
+      this.windowBlurred
+    ) {
      this.numMessagesSinceBlur += 1;
    }
  }
@@ -366,10 +377,9 @@ export default class Chat extends Component {
  }

  render(props, state) {
-    const { username, readonly, chatInputEnabled, inputMaxBytes } = props;
-    const { messages, chatUserNames, webSocketConnected } = state;
-
-    this.forceRender = false;
+    const { username, readonly, chatInputEnabled, inputMaxBytes, accessToken } =
+      props;
+    const { messages, chatUserNames, webSocketConnected, isModerator } = state;

    const messageList = messages
      .filter((message) => message.visible !== false)
@@ -379,6 +389,8 @@ export default class Chat extends Component {
            message=${message}
            username=${username}
            key=${message.id}
+            isModerator=${isModerator}
+            accessToken=${accessToken}
          />`
      );

--- a/webroot/js/components/chat/message.js
+++ b/webroot/js/components/chat/message.js
@@ -5,74 +5,54 @@ const html = htm.bind(h);
 import ChatMessageView from './chat-message-view.js';

 import { SOCKET_MESSAGE_TYPES } from '../../utils/websocket.js';
+import { checkIsModerator } from '../../utils/chat.js';
+
+function SystemMessage(props) {
+  const { contents } = props;
+  return html`
+    <div class="message message-name-change flex items-center justify-start p-3">
+      <div class="message-content flex flex-row items-center justify-center text-sm w-full">
+        <div class="text-white text-center opacity-50 overflow-hidden break-words">
+          ${contents}
+        </div>
+      </div>
+    </div>
+  `;
+}

 export default function Message(props) {
  const { message } = props;
-  const { type } = message;
+  const { type, oldName, user, body } = message;
  if (
    type === SOCKET_MESSAGE_TYPES.CHAT ||
    type === SOCKET_MESSAGE_TYPES.SYSTEM
  ) {
    return html`<${ChatMessageView} ...${props} />`;
  } else if (type === SOCKET_MESSAGE_TYPES.NAME_CHANGE) {
-    const { oldName, user } = message;
    const { displayName } = user;
-    return html`
-      <div
-        class="message message-name-change flex items-center justify-start p-3"
-      >
-        <div
-          class="message-content flex flex-row items-center justify-center text-sm w-full"
-        >
-          <div
-            class="text-white text-center opacity-50 overflow-hidden break-words"
-          >
-            <span class="font-bold">${oldName}</span> is now known as ${' '}
-            <span class="font-bold">${displayName}</span>.
-          </div>
-        </div>
-      </div>
+    const contents = html`
+      <>
+        <span class="font-bold">${oldName}</span> is now known as ${' '}
+        <span class="font-bold">${displayName}</span>.
+      </>
    `;
+    return html`<${SystemMessage} contents=${contents}/>`;
  } else if (type === SOCKET_MESSAGE_TYPES.USER_JOINED) {
-    const { user } = message;
    const { displayName } = user;
-    return html`
-      <div
-        class="message message-user-joined flex items-center justify-start p-3"
-      >
-        <div
-          class="message-content flex flex-row items-center justify-center text-sm w-full"
-        >
-          <div
-            class="text-white text-center opacity-50 overflow-hidden break-words"
-          >
-            <span class="font-bold">${displayName}</span> joined the chat.
-          </div>
-        </div>
-      </div>
-    `;
+    const contents = html`<span class="font-bold">${displayName}</span> joined the chat.`;
+    return html`<${SystemMessage} contents=${contents}/>`;
  } else if (type === SOCKET_MESSAGE_TYPES.CHAT_ACTION) {
-    const { body } = message;
-    const formattedMessage = `${body}`;
-    return html`
-      <div
-        class="message message-user-joined flex items-center justify-start p-3"
-      >
-        <div
-          class="message-content flex flex-row items-center justify-center text-sm w-full"
-        >
-          <div
-            class="text-white text-center opacity-50 overflow-hidden break-words"
-          >
-            <span
-              dangerouslySetInnerHTML=${{ __html: formattedMessage }}
-            ></span>
-          </div>
-        </div>
-      </div>
-    `;
+    const contents = html`<span
+      dangerouslySetInnerHTML=${{ __html: body }}
+    ></span>`;
+    return html`<${SystemMessage} contents=${contents}/>`;
  } else if (type === SOCKET_MESSAGE_TYPES.CONNECTED_USER_INFO) {
-    // noop for now
+    // moderator message
+    const isModerator = checkIsModerator(message);
+    if (isModerator) {
+      const contents = html`<span class="font-bold moderator-flag">You are now a moderator.</span>`;
+      return html`<${SystemMessage} contents=${contents}/>`;
+    }
  } else {
    console.log('Unknown message type:', type);
  }
--- a/webroot/js/components/chat/moderator-actions.js
+++ b/webroot/js/components/chat/moderator-actions.js
@@ -0,0 +1,295 @@
+import { h, Component, createRef } from '/js/web_modules/preact.js';
+import htm from '/js/web_modules/htm.js';
+import { textColorForHue } from '../../utils/user-colors.js';
+import { URL_BAN_USER, URL_HIDE_MESSAGE } from '../../utils/constants.js';
+
+const html = htm.bind(h);
+
+const HIDE_MESSAGE_ICON = '🐵';
+const HIDE_MESSAGE_ICON_HOVER = '🙈';
+const BAN_USER_ICON = '👤';
+const BAN_USER_ICON_HOVER = '🚫';
+
+export default class ModeratorActions extends Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      isMenuOpen: false,
+    };
+    this.handleOpenMenu = this.handleOpenMenu.bind(this);
+    this.handleCloseMenu = this.handleCloseMenu.bind(this);
+  }
+
+  handleOpenMenu() {
+    this.setState({
+      isMenuOpen: true,
+    });
+  }
+
+  handleCloseMenu() {
+    this.setState({
+      isMenuOpen: false,
+    });
+  }
+
+  render() {
+    const { isMenuOpen } = this.state;
+    const { message, accessToken } = this.props;
+    const { id } = message;
+    const { user } = message;
+
+    return html`
+      <div class="moderator-actions-group flex flex-row text-xs p-3">
+        <button
+          type="button"
+          class="moderator-menu-button"
+          onClick=${this.handleOpenMenu}
+          title="Moderator actions"
+          alt="Moderator actions"
+          aria-haspopup="true"
+          aria-controls="open-mod-actions-menu"
+          aria-expanded=${isMenuOpen}
+          id="open-mod-actions-button"
+        >
+          <img src="/img/menu-vert.svg" alt="" />
+        </button>
+
+        ${isMenuOpen &&
+        html`<${ModeratorMenu}
+          message=${message}
+          onDismiss=${this.handleCloseMenu}
+          accessToken=${accessToken}
+          id=${id}
+          userId=${user.id}
+        />`}
+      </div>
+    `;
+  }
+}
+
+class ModeratorMenu extends Component {
+  constructor(props) {
+    super(props);
+    this.menuNode = createRef();
+
+    this.state = {
+      displayMoreInfo: false,
+    };
+    this.handleClickOutside = this.handleClickOutside.bind(this);
+    this.handleToggleMoreInfo = this.handleToggleMoreInfo.bind(this);
+    this.handleBanUser = this.handleBanUser.bind(this);
+    this.handleHideMessage = this.handleHideMessage.bind(this);
+  }
+
+  componentDidMount() {
+    document.addEventListener('mousedown', this.handleClickOutside, false);
+  }
+
+  componentWillUnmount() {
+    document.removeEventListener('mousedown', this.handleClickOutside, false);
+  }
+
+  handleClickOutside = (e) => {
+    if (
+      this.menuNode &&
+      !this.menuNode.current.contains(e.target) &&
+      this.props.onDismiss
+    ) {
+      this.props.onDismiss();
+    }
+  };
+
+  handleToggleMoreInfo() {
+    this.setState({
+      displayMoreInfo: !this.state.displayMoreInfo,
+    });
+  }
+
+  async handleHideMessage() {
+    if (!confirm("Are you sure you want to remove this message from chat?")) {
+      this.props.onDismiss();
+      return;
+    }
+
+    const { accessToken, id } = this.props;
+    const url = new URL(location.origin + URL_HIDE_MESSAGE);
+    url.searchParams.append('accessToken', accessToken);
+    const hideMessageUrl = url.toString();
+
+    const options = {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ idArray: [id] }),
+    };
+
+    try {
+      await fetch(hideMessageUrl, options);
+    } catch(e) {
+      console.error(e);
+    }
+
+    this.props.onDismiss();
+  }
+
+  async handleBanUser() {
+    if (!confirm("Are you sure you want to remove this user from chat?")) {
+      this.props.onDismiss();
+      return;
+    }
+
+    const { accessToken, userId } = this.props;
+    const url = new URL(location.origin + URL_BAN_USER);
+    url.searchParams.append('accessToken', accessToken);
+    const hideMessageUrl = url.toString();
+
+    const options = {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ userId: userId }),
+    };
+
+    try {
+      await fetch(hideMessageUrl, options);
+    } catch(e) {
+      console.error(e);
+    }
+
+    this.props.onDismiss();
+  }
+
+  render() {
+    const { message } = this.props;
+    const { displayMoreInfo } = this.state;
+    return html`
+      <ul
+        role="menu"
+        id="open-mod-actions-menu"
+        aria-labelledby="open-mod-actions-button"
+        class="moderator-actions-menu bg-gray-700	rounded-lg shadow-md"
+        ref=${this.menuNode}
+      >
+        <li>
+          <${ModeratorMenuItem}
+            icon=${HIDE_MESSAGE_ICON}
+            hoverIcon=${HIDE_MESSAGE_ICON_HOVER}
+            label="Hide message"
+            onClick="${this.handleHideMessage}"
+          />
+        </li>
+        <li>
+          <${ModeratorMenuItem}
+            icon=${BAN_USER_ICON}
+            hoverIcon=${BAN_USER_ICON_HOVER}
+            label="Ban user"
+            onClick="${this.handleBanUser}"
+          />
+        </li>
+        <li>
+          <${ModeratorMenuItem}
+            icon=${html`<img src="/img/menu.svg" alt="" />`}
+            label="More Info"
+            onClick=${this.handleToggleMoreInfo}
+          />
+        </li>
+        ${displayMoreInfo &&
+        html`<${ModeratorMoreInfoContainer} message=${message} handleBanUser=${this.handleBanUser} handleHideMessage=${this.handleHideMessage} />`}
+      </ul>
+    `;
+  }
+}
+
+// 3 dots button
+function ModeratorMenuItem({ icon, hoverIcon, label, onClick }) {
+  return html`
+    <button
+      role="menuitem"
+      type="button"
+      onClick=${onClick}
+      className="moderator-menu-item w-full py-2 px-4 text-white text-left whitespace-no-wrap rounded-lg hover:bg-gray-600"
+    >
+      ${icon &&
+      html`<span
+        className="moderator-menu-icon menu-icon-base inline-block align-bottom mr-4"
+        >${icon}</span
+      >`}
+      <span
+        className="moderator-menu-icon menu-icon-hover inline-block align-bottom mr-4"
+        >${hoverIcon || icon}</span
+      >
+      ${label}
+    </button>
+  `;
+}
+
+// more details panel that display message, prev usernames, actions
+function ModeratorMoreInfoContainer({ message, handleHideMessage, handleBanUser }) {
+  const { user, timestamp, body } = message;
+  const {
+    displayName,
+    createdAt,
+    previousNames,
+    displayColor,
+  } = user;
+  const isAuthorModerator = user.scopes && user.scopes.contains('MODERATOR');
+
+  const authorTextColor = { color: textColorForHue(displayColor) };
+  const createDate = new Date(createdAt);
+  const sentDate = new Date(timestamp);
+  return html`
+    <div
+      className="moderator-more-info-container text-gray-300 bg-gray-800 rounded-lg p-4 border border-white text-base absolute"
+    >
+      <div
+        className="moderator-more-info-message scrollbar-hidden bg-gray-700 rounded-md pb-2"
+      >
+        <p className="text-xs text-gray-500">
+          Sent at ${sentDate.toLocaleTimeString()}
+        </p>
+        <div className="text-sm" dangerouslySetInnerHTML=${{ __html: body }} />
+      </div>
+      <div className="moderator-more-info-user py-2 my-2">
+        <p className="text-xs text-gray-500">Sent by:</p>
+        <p
+          className="font-bold ${isAuthorModerator && ' moderator-flag'}"
+          style=${authorTextColor}
+        >
+          ${displayName}
+        </p>
+
+        <p className="text-xs text-gray-500 mt-2">
+          First joined: ${createDate.toLocaleString()}
+        </p>
+
+        ${previousNames.length > 1 &&
+        html`
+          <p className="text-xs text-gray-500 my-1">
+            Previously known as: ${' '}
+            <span className="text-white text-gray-400"
+              >${previousNames.join(', ')}</span
+            >
+          </p>
+        `}
+      </div>
+      <div
+        className="moderator-more-info-actions pt-2 flex flex-row border-t border-gray-700 shadow-md"
+      >
+        <${handleHideMessage && ModeratorMenuItem}
+          icon=${HIDE_MESSAGE_ICON}
+          hoverIcon=${HIDE_MESSAGE_ICON_HOVER}
+          label="Hide message"
+          onClick="${handleHideMessage}"
+        />
+        <${handleBanUser && ModeratorMenuItem}
+          icon=${BAN_USER_ICON}
+          hoverIcon=${BAN_USER_ICON_HOVER}
+          label="Ban user"
+          onClick="${handleBanUser}"
+        />
+      </div>
+    </div>
+  `;
+}
--- a/webroot/js/components/chat/username.js
+++ b/webroot/js/components/chat/username.js
@@ -75,7 +75,7 @@ export default class UsernameForm extends Component {
 }

  render(props, state) {
-    const { username } = props;
+    const { username, isModerator } = props;
    const { displayForm } = state;

    const styles = {
@@ -87,11 +87,13 @@ export default class UsernameForm extends Component {
      },
    };

+
+
    return (
      html`
        <div id="user-info" class="whitespace-nowrap">
-          <div id="user-info-display" style=${styles.info} title="Click to update user name" class="flex flex-row justify-end items-center cursor-pointer py-2 px-4 overflow-hidden w-full opacity-1 transition-opacity duration-200 hover:opacity-75" onClick=${this.handleDisplayForm}>
-            <span id="username-display" class="text-indigo-600 text-xs font-semibold truncate overflow-hidden whitespace-no-wrap">${username}</span>
+          <div id="user-info-display" style=${styles.info} title="Click to update user name" class="flex flex-row justify-end items-center align-middle cursor-pointer py-2 px-4 overflow-hidden w-full opacity-1 transition-opacity duration-200 hover:opacity-75" onClick=${this.handleDisplayForm}>
+            <span id="username-display" class="text-indigo-600 text-xs font-semibold truncate overflow-hidden whitespace-no-wrap ${isModerator && 'moderator-flag'}">${username}</span>
          </div>

          <div id="user-info-change" class="flex flex-row flex-no-wrap p-1 items-center justify-end" style=${styles.form}>
--- a/webroot/js/utils/chat.js
+++ b/webroot/js/utils/chat.js
@@ -182,3 +182,16 @@ export function emojify(HTML, emojiList) {
  }
  return HTML;
 }
+
+
+// MODERATOR UTILS
+export function checkIsModerator(message) {
+  const { user } = message;
+  const { scopes } = user;
+
+  if (!scopes || scopes.length === 0) {
+    return false;
+  }
+
+  return scopes.includes('MODERATOR');
+}
--- a/webroot/js/utils/constants.js
+++ b/webroot/js/utils/constants.js
@@ -6,6 +6,10 @@ export const URL_CUSTOM_EMOJIS = `/api/emoji`;
 export const URL_CONFIG = `/api/config`;
 export const URL_VIEWER_PING = `/api/ping`;

+// inline moderation actions
+export const URL_HIDE_MESSAGE = `/api/chat/updatemessagevisibility`;
+export const URL_BAN_USER = `/api/chat/users/setenabled`;
+
 // TODO: This directory is customizable in the config.  So we should expose this via the config API.
 export const URL_STREAM = `/hls/stream.m3u8`;
 export const URL_WEBSOCKET = `${
--- a/webroot/styles/chat.css
+++ b/webroot/styles/chat.css
@@ -189,3 +189,134 @@
 /* MESSAGE TEXT CONTENT */
 /* MESSAGE TEXT CONTENT */

+
+/* MODERATOR STYLES */
+/* MODERATOR STYLES */
+/* MODERATOR STYLES */
+
+.moderator-flag:before {
+  content: '👑'; /* this can be a path to an svg */
+  display: inline-block;
+  margin-right: .5rem;
+  vertical-align: bottom;
+}
+
+.moderator-actions-group {
+  position: absolute;
+  top: 0;
+  right: 0;
+}
+
+.message.moderatable .moderator-actions-group {
+  opacity: 0;
+}
+.message.moderatable:hover .moderator-actions-group {
+  opacity: 1;
+}
+.message.moderator-menu-open .moderator-actions-group {
+  opacity: 1;
+}
+
+.message.moderatable:focus-within .moderator-actions-group {
+  opacity: 1;
+}
+
+.moderator-menu-button {
+  padding: .15rem;
+  height: 1.75rem;
+  width: 1.75rem;
+  border-radius: 50%;
+  text-align: center;
+  margin-left: .05rem;
+  font-size: 1rem;
+  border: 1px solid transparent;
+  opacity: .5;
+}
+.moderator-menu-button:hover {
+  background-color: rgba(0,0,0,.5);
+  opacity: 1;
+}
+.moderator-menu-button:focus {
+  border-color: white;
+  opacity: 1;
+}
+.moderator-action {
+  padding: .15rem;
+  height: 1.5rem;
+  width: 1.5rem;
+  border-radius: 50%;
+  text-align: center;
+  margin-left: .05rem;
+  font-size: 1rem;
+}
+
+.message button:focus,
+.message button:active {
+  outline: none;
+}
+
+.message.moderatable:last-of-type .moderator-actions-menu,
+.moderator-actions-menu {
+  position: absolute;
+  bottom: 0;
+  right: .5rem;
+  z-index: 999;
+}
+.message.moderatable:first-of-type .moderator-actions-menu,
+.message.moderatable:nth-of-type(2) .moderator-actions-menu,
+.message.moderatable:first-of-type .moderator-more-info-container,
+.message.moderatable:nth-of-type(2) .moderator-more-info-container {
+  top: 0;
+  bottom: unset;
+}
+
+
+.moderator-menu-item {
+  font-size: .875rem;
+  position: relative;
+  border: 1px solid transparent;
+}
+.moderator-menu-item:focus {
+  border: 1px solid white;
+}
+.moderator-menu-item .moderator-menu-icon {
+  height: 1.5rem;
+  width: 1.5rem;
+  font-size: 1.5em;
+  vertical-align: text-bottom;
+  display: inline-block;
+}
+
+.moderator-menu-item .menu-icon-hover {
+  display: none;
+  z-index: 2;
+}
+.moderator-menu-item:hover .menu-icon-base {
+  display: none;
+}
+.moderator-menu-item:hover .menu-icon-hover {
+  display: inline-block;
+}
+
+.moderator-more-info-container {
+  position: absolute;
+  bottom: 0;
+  right: 0;
+  z-index: 5;
+  width: calc(var(--right-col-width) - 2rem);
+}
+
+.moderator-more-info-message {
+  overflow-y: auto;
+  max-height: 6em;
+  padding: .75rem;
+}
+@media screen and (max-width: 729px) {
+  .moderator-more-info-container {
+    width: auto;
+  }
+}
+
+/* MODERATOR STYLES */
+/* MODERATOR STYLES */
+/* MODERATOR STYLES */
				`@@ -0,0 +1 @@`
				`<svg enable-background="new 0 0 32 32" height="512" viewBox="0 0 32 32" width="512" xmlns="http://www.w3.org/2000/svg" fill="white"><path id="XMLID_294_" d="m13 16c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/><path id="XMLID_295_" d="m13 26c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/><path id="XMLID_297_" d="m13 6c0 1.654 1.346 3 3 3s3-1.346 3-3-1.346-3-3-3-3 1.346-3 3z"/></svg>`
				`@@ -0,0 +1 @@`
				<svg enable-background="new 0 0 515.555 515.555" height="512" viewBox="0 0 515.555 515.555" width="512" xmlns="http://www.w3.org/2000/svg" fill="white"><path d="m496.679 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/><path d="m303.347 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/><path d="m110.014 212.208c25.167 25.167 25.167 65.971 0 91.138s-65.971 25.167-91.138 0-25.167-65.971 0-91.138 65.971-25.167 91.138 0"/></svg>