UBERF-4632: refactor activity classes structure (#4190)

Signed-off-by: Kristina Fefelova <kristin.fefelova@gmail.com>

plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageAttributes.svelte

@@ -0,0 +1,54 @@
+<!--
+// Copyright © 2023 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 { Component } from '@hcengineering/ui'
+  import view, { AttributeModel } from '@hcengineering/view'
+  import { getClient } from '@hcengineering/presentation'
+  import { DocAttributeUpdates, DocUpdateMessageViewlet } from '@hcengineering/activity'
+
+  import AddedAttributesPresenter from './attributes/AddedAttributesPresenter.svelte'
+  import RemovedAttributesPresenter from './attributes/RemovedAttributesPresenter.svelte'
+  import SetAttributesPresenter from './attributes/SetAttributesPresenter.svelte'
+
+  export let viewlet: DocUpdateMessageViewlet | undefined
+  export let attributeUpdates: DocAttributeUpdates
+  export let attributeModel: AttributeModel
+
+  const client = getClient()
+  const hierarchy = client.getHierarchy()
+
+  $: presenter =
+    viewlet?.config?.[attributeModel.key]?.presenter ??
+    hierarchy.classHierarchyMixin(attributeUpdates.attrClass, view.mixin.ActivityAttributePresenter)?.presenter
+</script>
+
+{#if presenter}
+  <Component is={presenter} props={{ value: attributeUpdates }} />
+{:else}
+  {#if attributeUpdates.added.length}
+    <AddedAttributesPresenter {viewlet} {attributeModel} values={attributeUpdates.added} />
+  {/if}
+  {#if attributeUpdates.removed.length}
+    <RemovedAttributesPresenter {viewlet} {attributeModel} values={attributeUpdates.removed} />
+  {/if}
+  {#if attributeUpdates.set.length}
+    <SetAttributesPresenter
+      {viewlet}
+      {attributeModel}
+      values={attributeUpdates.set}
+      prevValue={attributeUpdates.prevValue}
+    />
+  {/if}
+{/if}