From 1371131c4d324f4feb12ce3af2d479b3612caa9a Mon Sep 17 00:00:00 2001
From: budaeva <47611627+budaeva@users.noreply.github.com>
Date: Thu, 21 Apr 2022 12:39:49 +0700
Subject: [PATCH] Chunter: saved messages (#1466)

Signed-off-by: budaeva <irina.budaeva@xored.com>
---
 models/chunter/package.json                   |   3 +-
 models/chunter/src/index.ts                   |  17 ++-
 models/chunter/src/plugin.ts                  |   6 +-
 plugins/chunter-assets/assets/icons.svg       |   3 +
 plugins/chunter-assets/lang/en.json           |   7 +-
 plugins/chunter-assets/lang/ru.json           |   7 +-
 plugins/chunter-assets/src/index.ts           |   3 +-
 plugins/chunter-resources/package.json        |   3 +-
 .../src/components/Channel.svelte             |   9 +-
 .../src/components/ChannelView.svelte         |   7 ++
 .../components/EditChannelSettingsTab.svelte  |   2 +-
 .../src/components/Message.svelte             |  27 +++--
 .../src/components/SavedMessages.svelte       | 108 ++++++++++++++++++
 .../src/components/ThreadView.svelte          |  15 ++-
 plugins/chunter-resources/src/index.ts        |  23 +++-
 plugins/chunter-resources/src/plugin.ts       |   6 +-
 plugins/chunter/package.json                  |   3 +-
 plugins/chunter/src/index.ts                  |  14 ++-
 18 files changed, 238 insertions(+), 25 deletions(-)
 create mode 100644 plugins/chunter-resources/src/components/SavedMessages.svelte

diff --git a/models/chunter/package.json b/models/chunter/package.json
index 26b2d480fa..4263bec283 100644
--- a/models/chunter/package.json
+++ b/models/chunter/package.json
@@ -39,6 +39,7 @@
     "@anticrm/model-workbench": "~0.6.1",
     "@anticrm/model-notification": "~0.6.0",
     "@anticrm/activity": "~0.6.0",
-    "@anticrm/workbench": "~0.6.1"
+    "@anticrm/workbench": "~0.6.1",
+    "@anticrm/model-preference": "~0.6.0"
   }
 }
diff --git a/models/chunter/src/index.ts b/models/chunter/src/index.ts
index 7157dce07c..0bd60779eb 100644
--- a/models/chunter/src/index.ts
+++ b/models/chunter/src/index.ts
@@ -14,7 +14,7 @@
 //
 
 import activity from '@anticrm/activity'
-import type { Backlink, Channel, ChunterMessage, Comment, Message, ThreadMessage } from '@anticrm/chunter'
+import type { Backlink, Channel, ChunterMessage, Comment, Message, SavedMessages, ThreadMessage } from '@anticrm/chunter'
 import contact, { Employee } from '@anticrm/contact'
 import type { Account, Class, Doc, Domain, Ref, Space, Timestamp } from '@anticrm/core'
 import { IndexKind } from '@anticrm/core'
@@ -25,6 +25,7 @@ import view from '@anticrm/model-view'
 import workbench from '@anticrm/model-workbench'
 import chunter from './plugin'
 import notification from '@anticrm/model-notification'
+import preference, { TPreference } from '@anticrm/model-preference'
 
 export const DOMAIN_CHUNTER = 'chunter' as Domain
 export const DOMAIN_COMMENT = 'comment' as Domain
@@ -100,8 +101,14 @@ export class TBacklink extends TComment implements Backlink {
   backlinkClass!: Ref<Class<Doc>>
 }
 
+@Model(chunter.class.SavedMessages, preference.class.Preference)
+export class TSavedMessages extends TPreference implements SavedMessages {
+  @Prop(TypeRef(chunter.class.ChunterMessage), chunter.string.SavedMessages)
+  attachedTo!: Ref<ChunterMessage>
+}
+
 export function createModel (builder: Builder): void {
-  builder.createModel(TChannel, TMessage, TThreadMessage, TChunterMessage, TComment, TBacklink)
+  builder.createModel(TChannel, TMessage, TThreadMessage, TChunterMessage, TComment, TBacklink, TSavedMessages)
   builder.mixin(chunter.class.Channel, core.class.Class, workbench.mixin.SpaceView, {
     view: {
       class: chunter.class.Message
@@ -239,6 +246,12 @@ export function createModel (builder: Builder): void {
           icon: chunter.icon.Thread,
           component: chunter.component.Threads,
           position: 'top'
+        },
+        {
+          id: 'savedMessages',
+          label: chunter.string.SavedMessages,
+          icon: chunter.icon.Bookmark,
+          component: chunter.component.SavedMessages
         }
       ],
       spaces: [
diff --git a/models/chunter/src/plugin.ts b/models/chunter/src/plugin.ts
index b5e639af07..1407bee569 100644
--- a/models/chunter/src/plugin.ts
+++ b/models/chunter/src/plugin.ts
@@ -27,7 +27,8 @@ export default mergeIds(chunterId, chunter, {
     CommentPresenter: '' as AnyComponent,
     ChannelPresenter: '' as AnyComponent,
     Threads: '' as AnyComponent,
-    ThreadView: '' as AnyComponent
+    ThreadView: '' as AnyComponent,
+    SavedMessages: '' as AnyComponent
   },
   action: {
     MarkCommentUnread: '' as Ref<Action>,
@@ -55,7 +56,8 @@ export default mergeIds(chunterId, chunter, {
     Edit: '' as IntlString,
     MarkUnread: '' as IntlString,
     LastMessage: '' as IntlString,
-    PinnedMessages: '' as IntlString
+    PinnedMessages: '' as IntlString,
+    SavedMessages: '' as IntlString
   },
   viewlet: {
     Chat: '' as Ref<ViewletDescriptor>
diff --git a/plugins/chunter-assets/assets/icons.svg b/plugins/chunter-assets/assets/icons.svg
index 9f7fd3c7d6..bd72866009 100644
--- a/plugins/chunter-assets/assets/icons.svg
+++ b/plugins/chunter-assets/assets/icons.svg
@@ -11,4 +11,7 @@
   <symbol id="thread" viewBox="0 0 16 16">
     <path d="M8,14.5c-0.9,0-1.9-0.2-2.7-0.6c-0.2-0.1-0.5-0.2-0.6-0.2c-0.2,0-0.4,0.1-0.7,0.2c-0.5,0.2-1.2,0.4-1.7-0.1 c-0.5-0.5-0.3-1.2-0.1-1.7c0.1-0.3,0.2-0.5,0.2-0.7c0-0.2-0.1-0.4-0.2-0.7C1,8.3,1.5,5.3,3.4,3.4C4.6,2.2,6.3,1.5,8,1.5 s3.4,0.7,4.6,1.9c2.5,2.5,2.5,6.7,0,9.2l0,0C11.4,13.8,9.7,14.5,8,14.5z M4.6,12.7c0.4,0,0.7,0.1,1,0.3c2.1,1,4.6,0.5,6.2-1.1 c2.1-2.1,2.1-5.6,0-7.8c-1-1-2.4-1.6-3.9-1.6c-1.5,0-2.9,0.6-3.9,1.6C2.5,5.7,2,8.2,3,10.3c0.1,0.4,0.3,0.7,0.3,1.1 c0,0.4-0.1,0.7-0.2,1C3,12.6,2.9,13,2.9,13.1C3,13.2,3.4,13,3.6,12.9C3.9,12.8,4.3,12.7,4.6,12.7z M12.2,12.2L12.2,12.2L12.2,12.2z"/>
   </symbol>
+  <symbol id="bookmark" viewBox="0 0 16 16">
+    <path d="M16.2,18c-0.1,0-0.2,0-0.3-0.1l-6-4l-6,4c-0.2,0.1-0.4,0.1-0.5,0c-0.2-0.1-0.3-0.3-0.3-0.4V4.2 C3.2,3,4.3,2,5.5,2h8.9c1.3,0,2.3,1,2.3,2.2v13.3c0,0.2-0.1,0.4-0.3,0.4C16.4,18,16.3,18,16.2,18z M10,12.8c0.1,0,0.2,0,0.3,0.1 l5.5,3.6V4.2c0-0.6-0.6-1.2-1.3-1.2H5.5C4.8,3,4.2,3.5,4.2,4.2v12.4l5.5-3.6C9.8,12.9,9.9,12.8,10,12.8z"/>
+  </symbol>
 </svg>
diff --git a/plugins/chunter-assets/lang/en.json b/plugins/chunter-assets/lang/en.json
index d2394797ec..c3cceb7825 100644
--- a/plugins/chunter-assets/lang/en.json
+++ b/plugins/chunter-assets/lang/en.json
@@ -44,6 +44,11 @@
     "ArchiveChannel": "Archive channel",
     "UnarchiveChannel": "Unarchive channel",
     "ArchiveConfirm": "Do you want to archive channel?",
-    "UnarchiveConfirm": "Do you want to unarchive channel?"
+    "UnarchiveConfirm": "Do you want to unarchive channel?",
+    "SavedMessages": "Saved messages",
+    "AddToSaved": "Add to saved",
+    "RemoveFromSaved": "Remove from saved",
+    "EmptySavedHeader": "Add messages to come back to later",
+    "EmptySavedText": "Tick off your to-dos or save something for another time. Only you can see your saved items, so use them however you like."
   }
 }
\ No newline at end of file
diff --git a/plugins/chunter-assets/lang/ru.json b/plugins/chunter-assets/lang/ru.json
index 60d255e184..f369de8009 100644
--- a/plugins/chunter-assets/lang/ru.json
+++ b/plugins/chunter-assets/lang/ru.json
@@ -43,6 +43,11 @@
     "ArchiveChannel": "Архивировать канал",
     "UnarchiveChannel": "Разархивировать канал",
     "ArchiveConfirm": "Вы действительно хотите архивировать канал?",
-    "UnarchiveConfirm": "Вы действительно хотите разархивировать канал?"
+    "UnarchiveConfirm": "Вы действительно хотите разархивировать канал?",
+    "SavedMessages": "Сохраненные сообщения",
+    "AddToSaved": "Добавить в сохраненные",
+    "RemoveFromSaved": "Удалить из сохраненных",
+    "EmptySavedHeader": "Добавляйте сообщения и файлы, чтобы вернуться к ним позже",
+    "EmptySavedText": "Пометьте свои задачи или сохраните что-нибудь на потом. Только вы можете просматривать свои сохраненные объекты, поэтому используйте их как угодно."
   }
 }
\ No newline at end of file
diff --git a/plugins/chunter-assets/src/index.ts b/plugins/chunter-assets/src/index.ts
index b222700a30..417e6eae9a 100644
--- a/plugins/chunter-assets/src/index.ts
+++ b/plugins/chunter-assets/src/index.ts
@@ -21,7 +21,8 @@ loadMetadata(chunter.icon, {
   Chunter: `${icons}#chunter`,
   Hashtag: `${icons}#hashtag`,
   Thread: `${icons}#thread`,
-  Lock: `${icons}#lock`
+  Lock: `${icons}#lock`,
+  Bookmark: `${icons}#bookmark`
 })
 
 addStringsLoader(chunterId, async (lang: string) => await import(`../lang/${lang}.json`))
diff --git a/plugins/chunter-resources/package.json b/plugins/chunter-resources/package.json
index 40888d2da2..0b708c0d0f 100644
--- a/plugins/chunter-resources/package.json
+++ b/plugins/chunter-resources/package.json
@@ -46,6 +46,7 @@
     "@anticrm/attachment-resources": "~0.6.0",
     "@anticrm/view-resources": "~0.6.0",
     "@anticrm/view": "~0.6.0",
-    "@anticrm/workbench": "~0.6.1"
+    "@anticrm/workbench": "~0.6.1",
+    "@anticrm/preference": "~0.6.0"
   }
 }
diff --git a/plugins/chunter-resources/src/components/Channel.svelte b/plugins/chunter-resources/src/components/Channel.svelte
index 00cc4dbb24..e0b90cb04c 100644
--- a/plugins/chunter-resources/src/components/Channel.svelte
+++ b/plugins/chunter-resources/src/components/Channel.svelte
@@ -26,6 +26,7 @@
 
   export let space: Ref<Space> | undefined
   export let pinnedIds: Ref<ChunterMessage>[]
+  export let savedIds: Ref<ChunterMessage>[]
 
   let div: HTMLDivElement | undefined
   let autoscroll: boolean = false
@@ -113,7 +114,13 @@
       {#if newMessagesPos === i}
         <ChannelSeparator title={chunter.string.New} line reverse isNew />
       {/if}
-      <MessageComponent {message} {employees} on:openThread isPinned={pinnedIds.includes(message._id)} />
+      <MessageComponent
+        {message}
+        {employees}
+        on:openThread
+        isPinned={pinnedIds.includes(message._id)}
+        isSaved={savedIds.includes(message._id)}
+      />
     {/each}
   {/if}
 </div>
diff --git a/plugins/chunter-resources/src/components/ChannelView.svelte b/plugins/chunter-resources/src/components/ChannelView.svelte
index c9ad9c3948..4663758ea3 100644
--- a/plugins/chunter-resources/src/components/ChannelView.svelte
+++ b/plugins/chunter-resources/src/components/ChannelView.svelte
@@ -75,6 +75,12 @@
     },
     { limit: 1 }
   )
+
+  const preferenceQuery = createQuery()
+  let savedIds: Ref<ChunterMessage>[] = []
+  preferenceQuery.query(chunter.class.SavedMessages, {}, (res) => {
+    savedIds = res.map((r) => r.attachedTo)
+  })
 </script>
 
 <PinnedMessages {space} {pinnedIds} />
@@ -84,6 +90,7 @@
     openThread(e.detail)
   }}
   {pinnedIds}
+  {savedIds}
 />
 <div class="reference">
   <AttachmentRefInput {space} {_class} objectId={_id} on:message={onMessage} />
diff --git a/plugins/chunter-resources/src/components/EditChannelSettingsTab.svelte b/plugins/chunter-resources/src/components/EditChannelSettingsTab.svelte
index 1d83356f42..bef4061319 100644
--- a/plugins/chunter-resources/src/components/EditChannelSettingsTab.svelte
+++ b/plugins/chunter-resources/src/components/EditChannelSettingsTab.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import { Channel } from '@anticrm/chunter'
   import { Button } from '@anticrm/ui'
-  import { createEventDispatcher } from 'svelte';
+  import { createEventDispatcher } from 'svelte'
   import { ArchiveChannel } from '../index'
   import chunter from '../plugin'
 
diff --git a/plugins/chunter-resources/src/components/Message.svelte b/plugins/chunter-resources/src/components/Message.svelte
index 8c4078d553..ba9ec09cc4 100644
--- a/plugins/chunter-resources/src/components/Message.svelte
+++ b/plugins/chunter-resources/src/components/Message.svelte
@@ -25,7 +25,7 @@
   import { Action } from '@anticrm/view'
   import { getActions } from '@anticrm/view-resources'
   import { createEventDispatcher } from 'svelte'
-  import { UnpinMessage } from '../index'
+  import { AddToSaved, DeleteFromSaved, UnpinMessage } from '../index'
   import chunter from '../plugin'
   import { getTime } from '../utils'
   // import Share from './icons/Share.svelte'
@@ -39,6 +39,7 @@
   export let employees: Map<Ref<Employee>, Employee>
   export let thread: boolean = false
   export let isPinned: boolean = false
+  export let isSaved: boolean = false
 
   let refInput: AttachmentRefInput
 
@@ -85,6 +86,7 @@
     action: async () => {
       ;(await client.findAll(chunter.class.ThreadMessage, { attachedTo: message._id as Ref<Message> })).forEach((c) => {
         UnpinMessage(c)
+        DeleteFromSaved(c)
       })
       UnpinMessage(message)
       await client.removeDoc(message._class, message.space, message._id)
@@ -142,6 +144,11 @@
     dispatch('openThread', message._id)
   }
 
+  function addToSaved () {
+    if (isSaved) DeleteFromSaved(message)
+    else AddToSaved(message)
+  }
+
   $: parentMessage = message as Message
   $: hasReplies = (parentMessage?.replies?.length ?? 0) > 0
 </script>
@@ -153,9 +160,9 @@
       {#if employee}{formatName(employee.name)}{/if}
       <span>{getTime(message.createOn)}</span>
       {#if message.editedOn}
-        <span>    
+        <span>
           <Tooltip label={ui.string.TimeTooltip} props={{ value: getTime(message.editedOn) }}>
-            <Label label={chunter.string.Edited}/>
+            <Label label={chunter.string.Edited} />
           </Tooltip>
         </span>
       {/if}
@@ -171,10 +178,7 @@
         on:message={onMessageEdit}
       />
       <div class="flex-row-reverse gap-2 reverse">
-        <Button
-          label={chunter.string.EditCancel}
-          on:click={() => isEditing = false}
-        />
+        <Button label={chunter.string.EditCancel} on:click={() => (isEditing = false)} />
         <Button label={chunter.string.EditUpdate} on:click={() => refInput.submit()} />
       </div>
     {:else}
@@ -203,7 +207,14 @@
     {#if !thread}
       <div class="tool"><ActionIcon icon={Thread} size={'medium'} action={openThread} /></div>
     {/if}
-    <div class="tool"><ActionIcon icon={Bookmark} size={'medium'} /></div>
+    <div class="tool book">
+      <ActionIcon
+        icon={Bookmark}
+        size={'medium'}
+        action={addToSaved}
+        label={isSaved ? chunter.string.RemoveFromSaved : chunter.string.AddToSaved}
+      />
+    </div>
     <!-- <div class="tool"><ActionIcon icon={Share} size={'medium'}/></div> -->
     <div class="tool"><ActionIcon icon={Emoji} size={'medium'} /></div>
   </div>
diff --git a/plugins/chunter-resources/src/components/SavedMessages.svelte b/plugins/chunter-resources/src/components/SavedMessages.svelte
new file mode 100644
index 0000000000..aa75020272
--- /dev/null
+++ b/plugins/chunter-resources/src/components/SavedMessages.svelte
@@ -0,0 +1,108 @@
+<script lang="ts">
+  import { createQuery } from '@anticrm/presentation'
+  import { ChunterMessage } from '@anticrm/chunter'
+  import { Ref } from '@anticrm/core'
+  import Message from './Message.svelte'
+  import contact, { Employee } from '@anticrm/contact'
+  import { getCurrentLocation, Label, navigate } from '@anticrm/ui'
+  import Bookmark from './icons/Bookmark.svelte'
+  import chunter from '../plugin'
+
+  let savedIds: Ref<ChunterMessage>[] = []
+  let savedMessages: ChunterMessage[] = []
+
+  const messagesQuery = createQuery()
+  const preferenceQuery = createQuery()
+
+  preferenceQuery.query(chunter.class.SavedMessages, {}, (res) => {
+    savedIds = res.map((r) => r.attachedTo)
+  })
+
+  $: savedIds &&
+    messagesQuery.query(chunter.class.ChunterMessage, { _id: { $in: savedIds } }, (res) => {
+      savedMessages = res
+    })
+
+  let employees: Map<Ref<Employee>, Employee> = new Map<Ref<Employee>, Employee>()
+  const employeeQuery = createQuery()
+
+  employeeQuery.query(
+    contact.class.Employee,
+    {},
+    (res) =>
+      (employees = new Map(
+        res.map((r) => {
+          return [r._id, r]
+        })
+      ))
+  )
+
+  const pinnedQuery = createQuery()
+  const pinnedIds: Ref<ChunterMessage>[] = []
+
+  pinnedQuery.query(
+    chunter.class.Channel,
+    {},
+    (res) => {
+      res.forEach((ch) => pinnedIds.concat(ch?.pinned ?? []))
+    },
+    { limit: 1 }
+  )
+
+  function openMessage (message: ChunterMessage) {
+    const loc = getCurrentLocation()
+
+    if (message.attachedToClass === chunter.class.Channel) {
+      loc.path.length = 3
+      loc.path[2] = message.attachedTo
+    } else if (message.attachedToClass === chunter.class.Message) {
+      loc.path.length = 4
+      loc.path[2] = message.space
+      loc.path[3] = message.attachedTo
+    }
+    navigate(loc)
+  }
+</script>
+
+{#if savedMessages.length > 0}
+  {#each savedMessages as message}
+    <div on:click={() => openMessage(message)}>
+      <Message
+        {message}
+        {employees}
+        on:openThread
+        thread
+        isPinned={pinnedIds.includes(message._id)}
+        isSaved={savedIds.includes(message._id)}
+      />
+    </div>
+  {/each}
+{:else}
+  <div class="empty">
+    <Bookmark size={'large'} />
+    <div class="an-element__label header">
+      <Label label={chunter.string.EmptySavedHeader} />
+    </div>
+    <span class="an-element__label">
+      <Label label={chunter.string.EmptySavedText} />
+    </span>
+  </div>
+{/if}
+
+<style lang="scss">
+  .empty {
+    display: flex;
+    align-self: center;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    text-align: center;
+    height: inherit;
+    width: 30rem;
+  }
+
+  .header {
+    font-weight: 600;
+    margin: 1rem;
+  }
+</style>
diff --git a/plugins/chunter-resources/src/components/ThreadView.svelte b/plugins/chunter-resources/src/components/ThreadView.svelte
index bcf9c1b057..07f2f7dea4 100644
--- a/plugins/chunter-resources/src/components/ThreadView.svelte
+++ b/plugins/chunter-resources/src/components/ThreadView.svelte
@@ -123,6 +123,13 @@
       ))
   )
 
+  const preferenceQuery = createQuery()
+  let savedIds: Ref<ChunterMessage>[] = []
+
+  preferenceQuery.query(chunter.class.SavedMessages, {}, (res) => {
+    savedIds = res.map((r) => r.attachedTo)
+  })
+
   async function onMessage (event: CustomEvent) {
     const { message, attachments } = event.detail
     const me = getCurrentAccount()._id
@@ -193,7 +200,13 @@
       {#if newMessagesPos === i}
         <ChannelSeparator title={chunter.string.New} line reverse isNew />
       {/if}
-      <MsgView message={comment} {employees} thread isPinned={pinnedIds.includes(comment._id)} />
+      <MsgView
+        message={comment}
+        {employees}
+        thread
+        isPinned={pinnedIds.includes(comment._id)}
+        isSaved={savedIds.includes(comment._id)}
+      />
     {/each}
   {/if}
 </div>
diff --git a/plugins/chunter-resources/src/index.ts b/plugins/chunter-resources/src/index.ts
index c8818c67e3..772bf3be41 100644
--- a/plugins/chunter-resources/src/index.ts
+++ b/plugins/chunter-resources/src/index.ts
@@ -32,6 +32,8 @@ import CreateChannel from './components/CreateChannel.svelte'
 import EditChannel from './components/EditChannel.svelte'
 import ThreadView from './components/ThreadView.svelte'
 import Threads from './components/Threads.svelte'
+import SavedMessages from './components/SavedMessages.svelte'
+import preference from '@anticrm/preference'
 
 export { CommentsPresenter }
 
@@ -125,6 +127,24 @@ async function UnarchiveChannel (channel: Channel): Promise<void> {
     }
   )
 }
+
+export async function AddToSaved (message: ChunterMessage): Promise<void> {
+  const client = getClient()
+
+  await client.createDoc(chunter.class.SavedMessages, preference.space.Preference, {
+    attachedTo: message._id
+  })
+}
+
+export async function DeleteFromSaved (message: ChunterMessage): Promise<void> {
+  const client = getClient()
+
+  const current = await client.findOne(chunter.class.SavedMessages, { attachedTo: message._id })
+  if (current !== undefined) {
+    await client.remove(current)
+  }
+}
+
 export default async (): Promise<Resources> => ({
   component: {
     CommentInput,
@@ -136,7 +156,8 @@ export default async (): Promise<Resources> => ({
     ChannelPresenter,
     EditChannel,
     Threads,
-    ThreadView
+    ThreadView,
+    SavedMessages
   },
   activity: {
     TxCommentCreate,
diff --git a/plugins/chunter-resources/src/plugin.ts b/plugins/chunter-resources/src/plugin.ts
index a0227d4336..8eeec24b8d 100644
--- a/plugins/chunter-resources/src/plugin.ts
+++ b/plugins/chunter-resources/src/plugin.ts
@@ -61,6 +61,10 @@ export default mergeIds(chunterId, chunter, {
     EditMessage: '' as IntlString,
     Edited: '' as IntlString,
     AndYou: '' as IntlString,
-    ShowMoreReplies: '' as IntlString
+    ShowMoreReplies: '' as IntlString,
+    AddToSaved: '' as IntlString,
+    RemoveFromSaved: '' as IntlString,
+    EmptySavedHeader: '' as IntlString,
+    EmptySavedText: '' as IntlString
   }
 })
diff --git a/plugins/chunter/package.json b/plugins/chunter/package.json
index 6dfdb1b440..6e965cba3b 100644
--- a/plugins/chunter/package.json
+++ b/plugins/chunter/package.json
@@ -29,6 +29,7 @@
     "@anticrm/platform": "~0.6.5",
     "@anticrm/ui": "~0.6.0",
     "@anticrm/contact": "~0.6.5",
-    "@anticrm/core": "~0.6.16"
+    "@anticrm/core": "~0.6.16",
+    "@anticrm/preference": "~0.6.0"
   }
 }
diff --git a/plugins/chunter/src/index.ts b/plugins/chunter/src/index.ts
index 4ee14c8085..1ec261ed70 100644
--- a/plugins/chunter/src/index.ts
+++ b/plugins/chunter/src/index.ts
@@ -17,6 +17,7 @@ import type { Account, AttachedDoc, Class, Doc, Ref, Space, Timestamp } from '@a
 import type { Employee } from '@anticrm/contact'
 import type { Asset, Plugin } from '@anticrm/platform'
 import { IntlString, plugin } from '@anticrm/platform'
+import type { Preference } from '@anticrm/preference'
 import { AnyComponent } from '@anticrm/ui'
 
 /**
@@ -82,6 +83,13 @@ export interface Backlink extends Comment {
   attachedDocId?: Ref<Doc>
 }
 
+/**
+ * @public
+ */
+export interface SavedMessages extends Preference {
+  attachedTo: Ref<ChunterMessage>
+}
+
 /**
  * @public
  */
@@ -92,7 +100,8 @@ export default plugin(chunterId, {
     Chunter: '' as Asset,
     Hashtag: '' as Asset,
     Thread: '' as Asset,
-    Lock: '' as Asset
+    Lock: '' as Asset,
+    Bookmark: '' as Asset
   },
   component: {
     CommentInput: '' as AnyComponent,
@@ -104,7 +113,8 @@ export default plugin(chunterId, {
     ThreadMessage: '' as Ref<Class<ThreadMessage>>,
     Backlink: '' as Ref<Class<Backlink>>,
     Comment: '' as Ref<Class<Comment>>,
-    Channel: '' as Ref<Class<Channel>>
+    Channel: '' as Ref<Class<Channel>>,
+    SavedMessages: '' as Ref<Class<SavedMessages>>
   },
   space: {
     Backlinks: '' as Ref<Space>