From 2220d7e19efda011c7dfa2df9b7bf45f7bfe534c Mon Sep 17 00:00:00 2001
From: Alexander Onnikov <Alexander.Onnikov@xored.com>
Date: Mon, 15 Apr 2024 18:11:47 +0700
Subject: [PATCH] UBERF-6068 Show collaborators in collaborative editors
 (#5335)

Signed-off-by: Alexander Onnikov <Alexander.Onnikov@xored.com>
---
 common/config/rush/pnpm-lock.yaml             |  2 +-
 packages/panel/package.json                   |  1 -
 packages/text-editor/package.json             |  1 -
 .../components/CollaborationUserPopup.svelte  |  4 +-
 .../src/components/CollaborationUsers.svelte  | 97 +++++++++++++++++++
 .../CollaborativeAttributeBox.svelte          |  9 +-
 .../CollaborativeAttributeSectionBox.svelte   | 15 ++-
 .../components/CollaborativeTextEditor.svelte | 20 +++-
 .../src/components/CollaboratorEditor.svelte  |  9 +-
 .../src/components/editor/collaboration.ts    |  6 +-
 packages/text-editor/src/provider/tiptap.ts   |  2 +-
 packages/text-editor/src/types.ts             | 23 ++++-
 packages/text-editor/src/utils.ts             | 37 -------
 packages/ui/src/utils.ts                      | 16 +++
 .../AttachmentStyleBoxCollabEditor.svelte     | 15 ++-
 plugins/contact-resources/package.json        |  3 +-
 .../src/components/AccountArrayEditor.svelte  |  1 +
 .../components/CollaborationUserAvatar.svelte | 43 ++++++++
 plugins/contact-resources/src/index.ts        |  2 +
 plugins/contact/src/index.ts                  |  3 +-
 .../src/components/DocumentEditor.svelte      | 14 ++-
 .../components/CollaborativeDocEditor.svelte  | 13 ++-
 .../components/CollaborativeHTMLEditor.svelte | 13 ++-
 plugins/view-resources/src/utils.ts           | 16 ++-
 24 files changed, 296 insertions(+), 69 deletions(-)
 create mode 100644 packages/text-editor/src/components/CollaborationUsers.svelte
 create mode 100644 plugins/contact-resources/src/components/CollaborationUserAvatar.svelte

diff --git a/common/config/rush/pnpm-lock.yaml b/common/config/rush/pnpm-lock.yaml
index 71709607f4..5a5de3ac26 100644
--- a/common/config/rush/pnpm-lock.yaml
+++ b/common/config/rush/pnpm-lock.yaml
@@ -20650,7 +20650,7 @@ packages:
     dev: false
 
   file:projects/panel.tgz(@types/node@20.11.19)(esbuild@0.20.1)(postcss-load-config@4.0.2)(postcss@8.4.35)(ts-node@10.9.2):
-    resolution: {integrity: sha512-P4H97igqWddz9UBNpLY742cNaADue6UfT+1y00SNB/MmJE7qop/lttaCMAvFXgZJ4HvlN7d18II/AHpMZAnABg==, tarball: file:projects/panel.tgz}
+    resolution: {integrity: sha512-cFoTjnZ6mHJtNSppmfDuDx2wE5B4xGLxee96kAfHWSufWMYuHF69977P0VSlDEen1iXSNu2jQAWUux7wiEaKQQ==, tarball: file:projects/panel.tgz}
     id: file:projects/panel.tgz
     name: '@rush-temp/panel'
     version: 0.0.0
diff --git a/packages/panel/package.json b/packages/panel/package.json
index ef81d544e9..18f5ba963f 100644
--- a/packages/panel/package.json
+++ b/packages/panel/package.json
@@ -39,7 +39,6 @@
   },
   "dependencies": {
     "@hcengineering/ui": "^0.6.11",
-    "@hcengineering/text-editor": "^0.6.0",
     "svelte": "^4.2.12",
     "@hcengineering/platform": "^0.6.9",
     "@hcengineering/core": "^0.6.28",
diff --git a/packages/text-editor/package.json b/packages/text-editor/package.json
index f5e3beab9b..6adab64652 100644
--- a/packages/text-editor/package.json
+++ b/packages/text-editor/package.json
@@ -41,7 +41,6 @@
     "@hcengineering/presentation": "^0.6.2",
     "@hcengineering/platform": "^0.6.9",
     "@hcengineering/core": "^0.6.28",
-    "@hcengineering/contact": "^0.6.20",
     "@hcengineering/ui": "^0.6.11",
     "@hcengineering/view": "^0.6.9",
     "@hcengineering/text": "^0.6.1",
diff --git a/packages/text-editor/src/components/CollaborationUserPopup.svelte b/packages/text-editor/src/components/CollaborationUserPopup.svelte
index 87574b8c5b..f1d3c2753b 100644
--- a/packages/text-editor/src/components/CollaborationUserPopup.svelte
+++ b/packages/text-editor/src/components/CollaborationUserPopup.svelte
@@ -15,7 +15,7 @@
 //
 -->
 <script lang="ts">
-  import contact from '@hcengineering/contact'
+  import core from '@hcengineering/core'
   import { Component } from '@hcengineering/ui'
   import view from '@hcengineering/view'
   import { CollaborationUser } from '../types'
@@ -27,7 +27,7 @@
   is={view.component.ObjectPresenter}
   props={{
     objectId: user.id,
-    _class: contact.class.PersonAccount,
+    _class: core.class.Account,
     shouldShowAvatar: true,
     shouldShowName: true
   }}
diff --git a/packages/text-editor/src/components/CollaborationUsers.svelte b/packages/text-editor/src/components/CollaborationUsers.svelte
new file mode 100644
index 0000000000..b050806464
--- /dev/null
+++ b/packages/text-editor/src/components/CollaborationUsers.svelte
@@ -0,0 +1,97 @@
+<!--
+//
+// Copyright © 2024 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+-->
+
+<script lang="ts">
+  import { AnySvelteComponent, Button, DelayedCaller } from '@hcengineering/ui'
+  import { onMount } from 'svelte'
+  import { Editor } from '@tiptap/core'
+  import { createRelativePositionFromJSON } from 'yjs'
+  import { relativePositionToAbsolutePosition, ySyncPluginKey } from 'y-prosemirror'
+
+  import { TiptapCollabProvider } from '../provider/tiptap'
+  import { AwarenessChangeEvent, CollaborationUserState } from '../types'
+
+  export let provider: TiptapCollabProvider
+  export let editor: Editor
+  export let component: AnySvelteComponent
+
+  let states: CollaborationUserState[] = []
+
+  const debounce = new DelayedCaller(100)
+  const onAwarenessChange = (event: AwarenessChangeEvent): void => {
+    debounce.call(() => {
+      states = event.states.filter((p) => p.user != null).filter((p) => p.clientId !== provider.awareness?.clientID)
+    })
+  }
+
+  function goToCursor (state: CollaborationUserState): void {
+    const cursor = state.cursor
+    if (cursor?.head != null) {
+      try {
+        const ystate = ySyncPluginKey.getState(editor.state)
+        const abs = relativePositionToAbsolutePosition(
+          ystate.doc,
+          ystate.type,
+          createRelativePositionFromJSON(cursor.head),
+          ystate.binding.mapping
+        )
+        if (abs != null) {
+          editor.commands.focus(abs, { scrollIntoView: true })
+        }
+      } catch (err) {
+        // relative to absolute position conversion sometimes fails
+        console.error(err)
+      }
+    }
+  }
+
+  onMount(() => {
+    provider.on('awarenessUpdate', onAwarenessChange)
+    return () => provider.off('awarenessUpdate', onAwarenessChange)
+  })
+</script>
+
+{#if states.length > 0}
+  <div class="container flex-col flex-gap-2 pt-2">
+    {#each states as state}
+      <Button
+        kind="icon"
+        shape="round-small"
+        padding="0"
+        size="x-small"
+        noFocus
+        on:click={(e) => {
+          e.preventDefault()
+          e.stopPropagation()
+          goToCursor(state)
+        }}
+      >
+        <svelte:fragment slot="icon">
+          <svelte:component this={component} user={state.user} lastUpdate={state.lastUpdate ?? 0} size={'x-small'} />
+        </svelte:fragment>
+      </Button>
+    {/each}
+  </div>
+{/if}
+
+<style lang="scss">
+  .container {
+    position: sticky;
+    top: 0;
+    width: 1.5rem;
+  }
+</style>
diff --git a/packages/text-editor/src/components/CollaborativeAttributeBox.svelte b/packages/text-editor/src/components/CollaborativeAttributeBox.svelte
index 4ff86576ab..e184433fdc 100644
--- a/packages/text-editor/src/components/CollaborativeAttributeBox.svelte
+++ b/packages/text-editor/src/components/CollaborativeAttributeBox.svelte
@@ -16,12 +16,12 @@
   import core, { CollaborativeDoc, Doc, getCollaborativeDoc, getCollaborativeDocId } from '@hcengineering/core'
   import { IntlString } from '@hcengineering/platform'
   import { KeyedAttribute, getAttribute, getClient } from '@hcengineering/presentation'
-  import { registerFocus } from '@hcengineering/ui'
+  import { AnySvelteComponent, registerFocus } from '@hcengineering/ui'
   import CollaborativeTextEditor from './CollaborativeTextEditor.svelte'
   import { FocusExtension } from './extension/focus'
   import { type FileAttachFunction } from './extension/types'
   import textEditorPlugin from '../plugin'
-  import { RefAction, TextNodeAction } from '../types'
+  import { CollaborationUser, RefAction, TextNodeAction } from '../types'
 
   export let object: Doc
   export let key: KeyedAttribute
@@ -29,6 +29,9 @@
   export let textNodeActions: TextNodeAction[] = []
   export let refActions: RefAction[] = []
 
+  export let user: CollaborationUser
+  export let userComponent: AnySvelteComponent | undefined = undefined
+
   export let placeholder: IntlString = textEditorPlugin.string.EditorPlaceholder
   export let attachFile: FileAttachFunction | undefined = undefined
   export let boundary: HTMLElement | undefined = undefined
@@ -105,6 +108,8 @@
   objectClass={object._class}
   objectId={object._id}
   objectAttr={key.key}
+  {user}
+  {userComponent}
   {textNodeActions}
   {refActions}
   {extensions}
diff --git a/packages/text-editor/src/components/CollaborativeAttributeSectionBox.svelte b/packages/text-editor/src/components/CollaborativeAttributeSectionBox.svelte
index be8733485a..835a5c0c01 100644
--- a/packages/text-editor/src/components/CollaborativeAttributeSectionBox.svelte
+++ b/packages/text-editor/src/components/CollaborativeAttributeSectionBox.svelte
@@ -19,12 +19,16 @@
   import { Label, Icon } from '@hcengineering/ui'
   import type { AnySvelteComponent } from '@hcengineering/ui'
   import textEditorPlugin from '../plugin'
+  import { CollaborationUser } from '../types'
   import CollaborativeAttributeBox from './CollaborativeAttributeBox.svelte'
   import IconDescription from './icons/Description.svelte'
 
   export let object: Doc
   export let key: KeyedAttribute
 
+  export let user: CollaborationUser
+  export let userComponent: AnySvelteComponent | undefined = undefined
+
   export let label: IntlString = textEditorPlugin.string.FullDescription
   export let icon: Asset | AnySvelteComponent = IconDescription
 
@@ -40,5 +44,14 @@
       <Label {label} />
     </span>
   </div>
-  <CollaborativeAttributeBox {object} {key} boundary={element?.parentElement ?? undefined} on:focus on:blur on:update />
+  <CollaborativeAttributeBox
+    {object}
+    {key}
+    {user}
+    {userComponent}
+    boundary={element?.parentElement ?? undefined}
+    on:focus
+    on:blur
+    on:update
+  />
 </div>
diff --git a/packages/text-editor/src/components/CollaborativeTextEditor.svelte b/packages/text-editor/src/components/CollaborativeTextEditor.svelte
index 053809e18b..78ce8a9b95 100644
--- a/packages/text-editor/src/components/CollaborativeTextEditor.svelte
+++ b/packages/text-editor/src/components/CollaborativeTextEditor.svelte
@@ -20,7 +20,7 @@
   import { IntlString, getMetadata, translate } from '@hcengineering/platform'
   import presentation from '@hcengineering/presentation'
   import { markupToJSON } from '@hcengineering/text'
-  import { Button, IconSize, Loading, themeStore } from '@hcengineering/ui'
+  import { AnySvelteComponent, Button, IconSize, Loading, ThrottledCaller, themeStore } from '@hcengineering/ui'
   import { AnyExtension, Editor, FocusPosition, mergeAttributes } from '@tiptap/core'
   import Collaboration, { isChangeOrigin } from '@tiptap/extension-collaboration'
   import CollaborationCursor from '@tiptap/extension-collaboration-cursor'
@@ -38,14 +38,15 @@
   import { formatCollaborativeDocumentId, formatPlatformDocumentId } from '../provider/utils'
   import {
     CollaborationIds,
+    CollaborationUser,
     RefAction,
     TextEditorCommandHandler,
     TextEditorHandler,
     TextFormatCategory,
     TextNodeAction
   } from '../types'
-  import { getCollaborationUser } from '../utils'
 
+  import CollaborationUsers from './CollaborationUsers.svelte'
   import ImageStyleToolbar from './ImageStyleToolbar.svelte'
   import TextEditorStyleToolbar from './TextEditorStyleToolbar.svelte'
   import { noSelectionRender, renderCursor } from './editor/collaboration'
@@ -66,6 +67,9 @@
   export let objectId: Ref<Doc> | undefined
   export let objectAttr: string | undefined
 
+  export let user: CollaborationUser
+  export let userComponent: AnySvelteComponent | undefined = undefined
+
   export let readonly = false
 
   export let buttonSize: IconSize = 'small'
@@ -256,9 +260,13 @@
     }
   }
 
+  const throttle = new ThrottledCaller(100)
+  const updateLastUpdateTime = (): void => {
+    remoteProvider.awareness?.setLocalStateField('lastUpdate', Date.now())
+  }
+
   onMount(async () => {
     await ph
-    const user = await getCollaborationUser()
 
     editor = new Editor({
       element,
@@ -326,6 +334,7 @@
         // ignore non-local changes
         if (isChangeOrigin(transaction)) return
 
+        throttle.call(updateLastUpdateTime)
         dispatch('update')
       }
     })
@@ -384,6 +393,9 @@
 
   <div class="textInput">
     <div class="select-text" class:hidden={loading} style="width: 100%;" bind:this={element} />
+    {#if remoteProvider && editor && userComponent}
+      <CollaborationUsers provider={remoteProvider} {editor} component={userComponent} />
+    {/if}
   </div>
 
   {#if refActions.length > 0}
@@ -430,7 +442,7 @@
     flex-grow: 1;
     display: flex;
     justify-content: space-between;
-    align-items: flex-end;
+    align-items: flex-start;
     min-height: 1.25rem;
     background-color: transparent;
   }
diff --git a/packages/text-editor/src/components/CollaboratorEditor.svelte b/packages/text-editor/src/components/CollaboratorEditor.svelte
index e49deae9ec..9b396a33ae 100644
--- a/packages/text-editor/src/components/CollaboratorEditor.svelte
+++ b/packages/text-editor/src/components/CollaboratorEditor.svelte
@@ -17,12 +17,12 @@
 <script lang="ts">
   import { type Class, type CollaborativeDoc, type Doc, type Ref } from '@hcengineering/core'
   import { IntlString } from '@hcengineering/platform'
-  import { IconSize, registerFocus } from '@hcengineering/ui'
+  import { AnySvelteComponent, IconSize, registerFocus } from '@hcengineering/ui'
   import { AnyExtension, Editor, FocusPosition, getMarkRange } from '@tiptap/core'
   import { TextSelection } from '@tiptap/pm/state'
 
   import textEditorPlugin from '../plugin'
-  import { TextEditorCommandHandler, TextFormatCategory, TextNodeAction } from '../types'
+  import { CollaborationUser, TextEditorCommandHandler, TextFormatCategory, TextNodeAction } from '../types'
 
   import CollaborativeTextEditor from './CollaborativeTextEditor.svelte'
   import { FileAttachFunction } from './extension/types'
@@ -36,6 +36,9 @@
   export let objectId: Ref<Doc> | undefined = undefined
   export let objectAttr: string | undefined = undefined
 
+  export let user: CollaborationUser
+  export let userComponent: AnySvelteComponent | undefined = undefined
+
   export let readonly = false
 
   export let buttonSize: IconSize = 'small'
@@ -162,6 +165,8 @@
     {objectClass}
     {objectId}
     {objectAttr}
+    {user}
+    {userComponent}
     {readonly}
     {buttonSize}
     {placeholder}
diff --git a/packages/text-editor/src/components/editor/collaboration.ts b/packages/text-editor/src/components/editor/collaboration.ts
index a3e4961cb8..6722b99868 100644
--- a/packages/text-editor/src/components/editor/collaboration.ts
+++ b/packages/text-editor/src/components/editor/collaboration.ts
@@ -14,15 +14,17 @@
 //
 
 import { type DecorationAttrs } from '@tiptap/pm/view'
-import { showTooltip } from '@hcengineering/ui'
+import { getPlatformColor, showTooltip } from '@hcengineering/ui'
 import { type CollaborationUser } from '../../types'
 import CollaborationUserPopup from '../CollaborationUserPopup.svelte'
 
 export const renderCursor = (user: CollaborationUser): HTMLElement => {
+  const color = getPlatformColor(user.color, false)
+
   const cursor = document.createElement('span')
 
   cursor.classList.add('collaboration-cursor__caret')
-  cursor.setAttribute('style', `border-color: ${user.color}`)
+  cursor.setAttribute('style', `border-color: ${color}`)
 
   cursor.addEventListener('mousemove', () => {
     showTooltip(undefined, cursor, 'top', CollaborationUserPopup, { user })
diff --git a/packages/text-editor/src/provider/tiptap.ts b/packages/text-editor/src/provider/tiptap.ts
index 92eb441ac5..e5eefe7272 100644
--- a/packages/text-editor/src/provider/tiptap.ts
+++ b/packages/text-editor/src/provider/tiptap.ts
@@ -55,8 +55,8 @@ export class TiptapCollabProvider extends HocuspocusProvider {
   }
 
   destroy (): void {
-    this.configuration.websocketProvider.disconnect()
     super.destroy()
+    this.configuration.websocketProvider.disconnect()
   }
 }
 
diff --git a/packages/text-editor/src/types.ts b/packages/text-editor/src/types.ts
index ea6f53dd34..c8a957f273 100644
--- a/packages/text-editor/src/types.ts
+++ b/packages/text-editor/src/types.ts
@@ -2,6 +2,7 @@ import { type Asset, type IntlString, type Resource } from '@hcengineering/platf
 import { type Account, type Doc, type Markup, type Ref } from '@hcengineering/core'
 import type { AnySvelteComponent } from '@hcengineering/ui'
 import { type Editor, type SingleCommands } from '@tiptap/core'
+import { type RelativePosition } from 'yjs'
 
 /**
  * @public
@@ -97,12 +98,26 @@ export interface TextEditorCommandHandler {
   chain: (...commands: TextEditorCommand[]) => boolean
 }
 
-/**
- * @public
- */
+/** @public */
 export interface CollaborationUser {
   id: Ref<Account>
   name: string
   email: string
-  color: string
+  color: number
+}
+
+/** @public */
+export interface CollaborationUserState {
+  clientId: number
+  user: CollaborationUser
+  cursor?: {
+    anchor: RelativePosition
+    head: RelativePosition
+  } | null
+  lastUpdate?: number
+}
+
+/** @public */
+export interface AwarenessChangeEvent {
+  states: CollaborationUserState[]
 }
diff --git a/packages/text-editor/src/utils.ts b/packages/text-editor/src/utils.ts
index 9dc00c0a0d..9d17198e44 100644
--- a/packages/text-editor/src/utils.ts
+++ b/packages/text-editor/src/utils.ts
@@ -14,19 +14,6 @@
 //
 
 import { type Attribute } from '@tiptap/core'
-import { get } from 'svelte/store'
-
-import contact, { type PersonAccount, formatName, AvatarType } from '@hcengineering/contact'
-import { getCurrentAccount } from '@hcengineering/core'
-import { getClient } from '@hcengineering/presentation'
-import {
-  type ColorDefinition,
-  getPlatformAvatarColorByName,
-  getPlatformAvatarColorForTextDef,
-  themeStore
-} from '@hcengineering/ui'
-
-import { type CollaborationUser } from './types'
 
 export function getDataAttribute (
   name: string,
@@ -50,27 +37,3 @@ export function getDataAttribute (
     ...(options ?? {})
   }
 }
-
-function getAvatarColor (name: string, avatar: string, darkTheme: boolean): ColorDefinition {
-  const [type, color] = avatar.split('://')
-  if (type === AvatarType.COLOR) {
-    return getPlatformAvatarColorByName(color, darkTheme)
-  }
-  return getPlatformAvatarColorForTextDef(name, darkTheme)
-}
-
-export async function getCollaborationUser (): Promise<CollaborationUser> {
-  const client = getClient()
-
-  const me = getCurrentAccount() as PersonAccount
-  const person = await client.findOne(contact.class.Person, { _id: me.person })
-  const name = person !== undefined ? formatName(person.name) : me.email
-  const color = getAvatarColor(name, person?.avatar ?? '', get(themeStore).dark)
-
-  return {
-    id: me._id,
-    name,
-    email: me.email,
-    color: color.icon ?? 'var(--theme-button-default)'
-  }
-}
diff --git a/packages/ui/src/utils.ts b/packages/ui/src/utils.ts
index 55942168dd..d358818dd9 100644
--- a/packages/ui/src/utils.ts
+++ b/packages/ui/src/utils.ts
@@ -267,6 +267,22 @@ export class DelayedCaller {
   }
 }
 
+/**
+ * @public
+ */
+export class ThrottledCaller {
+  timeout?: any
+  constructor (readonly delay: number = 10) {}
+  call (op: () => void): void {
+    if (this.timeout === undefined) {
+      op()
+      this.timeout = setTimeout(() => {
+        this.timeout = undefined
+      }, this.delay)
+    }
+  }
+}
+
 export const testing = (localStorage.getItem('#platform.testing.enabled') ?? 'false') === 'true'
 
 export const rootBarExtensions = writable<Array<['left' | 'right', AnyComponent]>>([])
diff --git a/plugins/attachment-resources/src/components/AttachmentStyleBoxCollabEditor.svelte b/plugins/attachment-resources/src/components/AttachmentStyleBoxCollabEditor.svelte
index 69e996f2ee..66a8e36b5c 100644
--- a/plugins/attachment-resources/src/components/AttachmentStyleBoxCollabEditor.svelte
+++ b/plugins/attachment-resources/src/components/AttachmentStyleBoxCollabEditor.svelte
@@ -14,13 +14,14 @@
 -->
 <script lang="ts">
   import attachment, { Attachment } from '@hcengineering/attachment'
+  import contact from '@hcengineering/contact'
   import { Account, Doc, Ref, generateId } from '@hcengineering/core'
-  import { IntlString, setPlatformStatus, unknownError } from '@hcengineering/platform'
+  import { IntlString, getResource, setPlatformStatus, unknownError } from '@hcengineering/platform'
   import { KeyedAttribute, createQuery, getClient } from '@hcengineering/presentation'
   import textEditor, { AttachIcon, CollaborativeAttributeBox, RefAction } from '@hcengineering/text-editor'
-  import { navigate } from '@hcengineering/ui'
+  import { AnySvelteComponent, navigate } from '@hcengineering/ui'
   import view from '@hcengineering/view'
-  import { getObjectLinkFragment } from '@hcengineering/view-resources'
+  import { getCollaborationUser, getObjectLinkFragment } from '@hcengineering/view-resources'
   import AttachmentsGrid from './AttachmentsGrid.svelte'
   import { uploadFile } from '../utils'
   import { defaultRefActions, getModelRefActions } from '@hcengineering/text-editor/src/components/editor/actions'
@@ -38,6 +39,12 @@
 
   const client = getClient()
 
+  const user = getCollaborationUser()
+  let userComponent: AnySvelteComponent | undefined
+  void getResource(contact.component.CollaborationUserAvatar).then((component) => {
+    userComponent = component
+  })
+
   let editor: CollaborativeAttributeBox
 
   let refActions: RefAction[] = []
@@ -235,6 +242,8 @@
       bind:this={editor}
       {object}
       {key}
+      {user}
+      {userComponent}
       {focusIndex}
       {placeholder}
       {boundary}
diff --git a/plugins/contact-resources/package.json b/plugins/contact-resources/package.json
index da68e5064c..7dd0e09c1a 100644
--- a/plugins/contact-resources/package.json
+++ b/plugins/contact-resources/package.json
@@ -54,6 +54,7 @@
     "@hcengineering/attachment": "^0.6.9",
     "@hcengineering/login": "^0.6.8",
     "@hcengineering/templates": "^0.6.7",
-    "@hcengineering/image-cropper": "^0.6.0"
+    "@hcengineering/image-cropper": "^0.6.0",
+    "@hcengineering/text-editor": "^0.6.0"
   }
 }
diff --git a/plugins/contact-resources/src/components/AccountArrayEditor.svelte b/plugins/contact-resources/src/components/AccountArrayEditor.svelte
index aca208f02f..8aed89b420 100644
--- a/plugins/contact-resources/src/components/AccountArrayEditor.svelte
+++ b/plugins/contact-resources/src/components/AccountArrayEditor.svelte
@@ -50,6 +50,7 @@
       timer = null
       update = undefined
     }
+    // eslint-disable-next-line @typescript-eslint/no-misused-promises
     timer = setTimeout(() => update?.(), 500)
   }
 
diff --git a/plugins/contact-resources/src/components/CollaborationUserAvatar.svelte b/plugins/contact-resources/src/components/CollaborationUserAvatar.svelte
new file mode 100644
index 0000000000..ad3595e50c
--- /dev/null
+++ b/plugins/contact-resources/src/components/CollaborationUserAvatar.svelte
@@ -0,0 +1,43 @@
+<!--
+//
+// Copyright © 2024 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+-->
+
+<script lang="ts">
+  import { Employee, PersonAccount } from '@hcengineering/contact'
+  import { Ref } from '@hcengineering/core'
+  import { CollaborationUser } from '@hcengineering/text-editor'
+  import { IconSize } from '@hcengineering/ui'
+
+  import { employeeByIdStore, personAccountByIdStore, personByIdStore } from '../utils'
+  import Avatar from './Avatar.svelte'
+
+  export let user: CollaborationUser
+  export let lastUpdate: number
+  export let size: IconSize = 'x-small'
+
+  let avatar: Avatar | undefined
+  $: lastUpdate !== 0 && avatar?.pulse()
+
+  $: personAccount = $personAccountByIdStore.get(user.id as Ref<PersonAccount>)
+  $: person =
+    personAccount?.person !== undefined
+      ? $employeeByIdStore.get(personAccount.person as Ref<Employee>) ?? $personByIdStore.get(personAccount.person)
+      : undefined
+</script>
+
+{#if person}
+  <Avatar bind:this={avatar} {size} avatar={person.avatar} name={person.name} borderColor={user.color} />
+{/if}
diff --git a/plugins/contact-resources/src/index.ts b/plugins/contact-resources/src/index.ts
index 39ed17cd5b..7e68413035 100644
--- a/plugins/contact-resources/src/index.ts
+++ b/plugins/contact-resources/src/index.ts
@@ -57,6 +57,7 @@ import ContactsTabs from './components/ContactsTabs.svelte'
 import CreateEmployee from './components/CreateEmployee.svelte'
 import CreateOrganization from './components/CreateOrganization.svelte'
 import CreatePerson from './components/CreatePerson.svelte'
+import CollaborationUserAvatar from './components/CollaborationUserAvatar.svelte'
 import DeleteConfirmationPopup from './components/DeleteConfirmationPopup.svelte'
 import EditEmployee from './components/EditEmployee.svelte'
 import EditMember from './components/EditMember.svelte'
@@ -303,6 +304,7 @@ export default async (): Promise<Resources> => ({
     OrganizationPresenter,
     ChannelsPresenter,
     CreatePerson,
+    CollaborationUserAvatar,
     CreateOrganization,
     EditPerson,
     EditEmployee,
diff --git a/plugins/contact/src/index.ts b/plugins/contact/src/index.ts
index 9d5f3529c5..671e545e99 100644
--- a/plugins/contact/src/index.ts
+++ b/plugins/contact/src/index.ts
@@ -198,7 +198,8 @@ export const contactPlugin = plugin(contactId, {
     DeleteConfirmationPopup: '' as AnyComponent,
     AccountArrayEditor: '' as AnyComponent,
     PersonIcon: '' as AnyComponent,
-    EditOrganizationPanel: '' as AnyComponent
+    EditOrganizationPanel: '' as AnyComponent,
+    CollaborationUserAvatar: '' as AnyComponent
   },
   channelProvider: {
     Email: '' as Ref<ChannelProvider>,
diff --git a/plugins/document-resources/src/components/DocumentEditor.svelte b/plugins/document-resources/src/components/DocumentEditor.svelte
index 2b9aca7509..1c1c74b365 100644
--- a/plugins/document-resources/src/components/DocumentEditor.svelte
+++ b/plugins/document-resources/src/components/DocumentEditor.svelte
@@ -15,8 +15,9 @@
 //
 -->
 <script lang="ts">
-  import { Extensions, FocusPosition } from '@tiptap/core'
+  import contact from '@hcengineering/contact'
   import { Document } from '@hcengineering/document'
+  import { getResource } from '@hcengineering/platform'
   import {
     CollaboratorEditor,
     HeadingsExtension,
@@ -25,6 +26,9 @@
     TodoItemExtension,
     TodoListExtension
   } from '@hcengineering/text-editor'
+  import { AnySvelteComponent } from '@hcengineering/ui'
+  import { getCollaborationUser } from '@hcengineering/view-resources'
+  import { Extensions, FocusPosition } from '@tiptap/core'
   import { createEventDispatcher } from 'svelte'
 
   import ToDoItemNodeView from './node-view/ToDoItemNodeView.svelte'
@@ -38,6 +42,12 @@
   export let overflow: 'auto' | 'none' = 'none'
   export let editorAttributes: Record<string, string> = {}
 
+  const user = getCollaborationUser()
+  let userComponent: AnySvelteComponent | undefined
+  void getResource(contact.component.CollaborationUserAvatar).then((component) => {
+    userComponent = component
+  })
+
   let collabEditor: CollaboratorEditor
 
   export function focus (position?: FocusPosition): void {
@@ -83,6 +93,8 @@
   objectClass={object._class}
   objectId={object._id}
   objectAttr="content"
+  {user}
+  {userComponent}
   {focusIndex}
   {readonly}
   {attachFile}
diff --git a/plugins/view-resources/src/components/CollaborativeDocEditor.svelte b/plugins/view-resources/src/components/CollaborativeDocEditor.svelte
index 15daeccd24..2bf6d39bb5 100644
--- a/plugins/view-resources/src/components/CollaborativeDocEditor.svelte
+++ b/plugins/view-resources/src/components/CollaborativeDocEditor.svelte
@@ -13,17 +13,26 @@
 // limitations under the License.
 -->
 <script lang="ts">
+  import contact from '@hcengineering/contact'
   import { Doc } from '@hcengineering/core'
-
+  import { getResource } from '@hcengineering/platform'
   import { KeyedAttribute } from '@hcengineering/presentation'
   import { CollaborativeAttributeSectionBox } from '@hcengineering/text-editor'
+  import { AnySvelteComponent } from '@hcengineering/ui'
+  import { getCollaborationUser } from '../utils'
 
   export let object: Doc
   export let key: KeyedAttribute
+
+  const user = getCollaborationUser()
+  let userComponent: AnySvelteComponent | undefined
+  void getResource(contact.component.CollaborationUserAvatar).then((component) => {
+    userComponent = component
+  })
 </script>
 
 {#key object._id}
   {#key key.key}
-    <CollaborativeAttributeSectionBox {object} {key} label={key.attr.label} />
+    <CollaborativeAttributeSectionBox {object} {key} {user} {userComponent} label={key.attr.label} />
   {/key}
 {/key}
diff --git a/plugins/view-resources/src/components/CollaborativeHTMLEditor.svelte b/plugins/view-resources/src/components/CollaborativeHTMLEditor.svelte
index 8f518a5b6e..aed35b5e97 100644
--- a/plugins/view-resources/src/components/CollaborativeHTMLEditor.svelte
+++ b/plugins/view-resources/src/components/CollaborativeHTMLEditor.svelte
@@ -13,15 +13,24 @@
 // limitations under the License.
 -->
 <script lang="ts">
+  import contact from '@hcengineering/contact'
   import { Doc } from '@hcengineering/core'
-
+  import { getResource } from '@hcengineering/platform'
   import { KeyedAttribute } from '@hcengineering/presentation'
   import { CollaborativeAttributeSectionBox } from '@hcengineering/text-editor'
+  import { AnySvelteComponent } from '@hcengineering/ui'
+  import { getCollaborationUser } from '../utils'
 
   export let object: Doc
   export let key: KeyedAttribute
+
+  const user = getCollaborationUser()
+  let userComponent: AnySvelteComponent | undefined
+  void getResource(contact.component.CollaborationUserAvatar).then((component) => {
+    userComponent = component
+  })
 </script>
 
 {#key object._id}
-  <CollaborativeAttributeSectionBox {object} {key} label={key.attr.label} />
+  <CollaborativeAttributeSectionBox {object} {key} {user} {userComponent} label={key.attr.label} />
 {/key}
diff --git a/plugins/view-resources/src/utils.ts b/plugins/view-resources/src/utils.ts
index 4bc525959d..fe3a3e6006 100644
--- a/plugins/view-resources/src/utils.ts
+++ b/plugins/view-resources/src/utils.ts
@@ -1,6 +1,6 @@
 //
 // Copyright © 2020, 2021 Anticrm Platform Contributors.
-// Copyright © 2021 Hardcore Engineering Inc.
+// Copyright © 2021, 2024 Hardcore Engineering Inc.
 //
 // Licensed under the Eclipse Public License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License. You may
@@ -65,8 +65,10 @@ import {
   isAdminUser,
   createQuery
 } from '@hcengineering/presentation'
+import { type CollaborationUser } from '@hcengineering/text-editor'
 import {
   ErrorPresenter,
+  getColorNumberByText,
   getCurrentResolvedLocation,
   getPanelURI,
   getPlatformColorForText,
@@ -1402,3 +1404,15 @@ permissionsQuery.query(core.class.Space, {}, (res) => {
     whitelist: whitelistedSpaces
   })
 })
+
+export function getCollaborationUser (): CollaborationUser {
+  const me = getCurrentAccount() as PersonAccount
+  const color = getColorNumberByText(me.email)
+
+  return {
+    id: me._id,
+    name: me.email,
+    email: me.email,
+    color
+  }
+}