add move all saved objects feature

src/plugins/workspace/public/components/delete_workspace_modal/delete_workspace_modal.tsx

@@ -3,10 +3,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import {
   EuiButton,
   EuiButtonEmpty,
+  EuiComboBox,
+  EuiComboBoxOptionOption,
   EuiFieldText,
   EuiModal,
   EuiModalBody,
@@ -16,11 +18,21 @@ import {
   EuiSpacer,
   EuiText,
 } from '@elastic/eui';
-import { WorkspaceAttribute } from 'opensearch-dashboards/public';
+import { WorkspaceAttribute, WorkspaceObject } from 'opensearch-dashboards/public';
 import { i18n } from '@osd/i18n';
+import { useObservable } from 'react-use';
 import { useOpenSearchDashboards } from '../../../../opensearch_dashboards_react/public';
 import { WorkspaceClient } from '../../workspace_client';
 
+type WorkspaceOption = EuiComboBoxOptionOption<WorkspaceAttribute>;
+
+function workspaceToOption(workspace: WorkspaceAttribute): WorkspaceOption {
+  return {
+    label: workspace.name,
+    key: workspace.id,
+    value: workspace,
+  };
+}
 interface DeleteWorkspaceModalProps {
   onClose: () => void;
   selectedWorkspace?: WorkspaceAttribute | null;
@@ -31,9 +43,54 @@ export function DeleteWorkspaceModal(props: DeleteWorkspaceModalProps) {
   const [value, setValue] = useState('');
   const { onClose, selectedWorkspace, returnToHome } = props;
   const {
-    services: { application, notifications, http, workspaceClient },
+    services: { application, notifications, http, workspaceClient, workspaces },
   } = useOpenSearchDashboards<{ workspaceClient: WorkspaceClient }>();
 
+  const [workspaceOptions, setWorkspaceOptions] = useState<WorkspaceOption[]>([]);
+  const [targetWorkspaceOption, setTargetWorkspaceOption] = useState<WorkspaceOption[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const targetWorkspaceId = targetWorkspaceOption?.at(0)?.key;
+  const onTargetWorkspaceChange = (targetOption: WorkspaceOption[]) => {
+    setTargetWorkspaceOption(targetOption);
+  };
+
+  const workspaceList = useObservable<WorkspaceObject[]>(workspaces!.workspaceList$);
+
+  useEffect(() => {
+    if (workspaceList) {
+      const initWorkspaceOptions = [
+        ...workspaceList!
+          .filter((workspace) => !workspace.libraryReadonly)
+          .filter((workspace) => workspace.id !== selectedWorkspace?.id)
+          .map((workspace) => workspaceToOption(workspace)),
+      ];
+      setWorkspaceOptions(initWorkspaceOptions);
+    }
+  }, [workspaceList]);
+
+  const moveObjectsToTargetWorkspace = async () => {
+    setIsLoading(true);
+    try {
+      const result = await workspaceClient.moveAllObjects(
+        selectedWorkspace?.id as string,
+        targetWorkspaceId as string
+      );
+      notifications?.toasts.addSuccess({
+        title: i18n.translate('workspace.deleteWorkspaceModal.move.successNotification', {
+          defaultMessage: 'Moved saved ' + result.length + ' objects successfully',
+        }),
+      });
+    } catch (e) {
+      notifications?.toasts.addDanger({
+        title: i18n.translate('workspace.deleteWorkspaceModal.move.dangerNotification', {
+          defaultMessage: 'Unable to move saved objects',
+        }),
+      });
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
   const deleteWorkspace = async () => {
     if (selectedWorkspace?.id) {
       let result;
@@ -83,6 +140,37 @@ export function DeleteWorkspaceModal(props: DeleteWorkspaceModalProps) {
       </EuiModalHeader>
 
       <EuiModalBody>
+        <div style={{ lineHeight: 1.5 }}>
+          <EuiText>
+            Before deleting the workspace, you have the option to keep the saved objects by moving
+            them to a target workspace.
+          </EuiText>
+          <EuiSpacer size="s" />
+
+          <EuiComboBox
+            placeholder="Please select a target workspace"
+            options={workspaceOptions}
+            selectedOptions={targetWorkspaceOption}
+            onChange={onTargetWorkspaceChange}
+            singleSelection={{ asPlainText: true }}
+            isClearable={false}
+            isInvalid={!targetWorkspaceId}
+          />
+          <EuiSpacer size="m" />
+
+          <EuiButton
+            data-test-subj="Move All button"
+            onClick={moveObjectsToTargetWorkspace}
+            fill
+            color="primary"
+            size="s"
+            disabled={!targetWorkspaceId || isLoading}
+            isLoading={isLoading}
+          >
+            Move All
+          </EuiButton>
+          <EuiSpacer />
+        </div>
         <div style={{ lineHeight: 1.5 }}>
           <p>The following workspace will be permanently deleted. This action cannot be undone.</p>
           <ul style={{ listStyleType: 'disc', listStylePosition: 'inside' }}>

src/plugins/workspace/public/workspace_client.ts

@@ -285,6 +285,27 @@ export class WorkspaceClient {
     return result;
   }
 
+  /**
+   * Move all saved objects to a target workspace
+   *
+   * @param {string} sourceWorkspaceId
+   * @param {string} targetWorkspaceId
+   * @returns
+   */
+  public async moveAllObjects(sourceWorkspaceId: string, targetWorkspaceId: string): Promise<any> {
+    const path = this.getPath('_move_objects');
+    const body = {
+      sourceWorkspaceId,
+      targetWorkspaceId,
+    };
+    const result = await this.safeFetch(path, {
+      method: 'POST',
+      body: JSON.stringify(body),
+    });
+
+    return result;
+  }
+
   public stop() {
     this.workspaces.workspaceList$.unsubscribe();
     this.workspaces.currentWorkspaceId$.unsubscribe();

src/plugins/workspace/server/routes/index.ts

@@ -4,7 +4,13 @@
  */
 
 import { schema } from '@osd/config-schema';
-import { ensureRawRequest } from '../../../../core/server';
+import {
+  SavedObjectsAddToWorkspacesOptions,
+  SavedObjectsAddToWorkspacesResponse,
+  SavedObjectsFindOptions,
+  SavedObjectsShareObjects,
+  ensureRawRequest,
+} from '../../../../core/server';
 
 import { CoreSetup, Logger, WorkspacePermissionMode } from '../../../../core/server';
 import { IWorkspaceClientImpl, WorkspacePermissionItem } from '../types';
@@ -218,4 +224,58 @@ export function registerRoutes({
       return res.ok({ body: result });
     })
   );
+  router.post(
+    {
+      path: `${WORKSPACES_API_BASE_URL}/_move_objects`,
+      validate: {
+        body: schema.object({
+          sourceWorkspaceId: schema.string(),
+          targetWorkspaceId: schema.string(),
+        }),
+      },
+    },
+    router.handleLegacyErrors(async (context, req, res) => {
+      const MAX_OBJECTS_AMOUNT: number = 200;
+      const { sourceWorkspaceId, targetWorkspaceId } = req.body;
+      const savedObjectsClient = context.core.savedObjects.client;
+      const allowedTypes = context.core.savedObjects.typeRegistry
+        .getImportableAndExportableTypes()
+        .map((type) => type.name);
+
+      const shareOptions: SavedObjectsAddToWorkspacesOptions = {
+        workspaces: [sourceWorkspaceId],
+        refresh: false,
+      };
+      let results: SavedObjectsAddToWorkspacesResponse[] = [];
+      let page: number = 1;
+      while (true) {
+        const findOptions: SavedObjectsFindOptions = {
+          workspaces: [sourceWorkspaceId],
+          type: allowedTypes,
+          sortField: 'updated_at',
+          sortOrder: 'desc',
+          perPage: MAX_OBJECTS_AMOUNT,
+          page: page++,
+        };
+        const response = await savedObjectsClient.find(findOptions);
+        if (!response) break;
+        const objects: SavedObjectsShareObjects[] = response.saved_objects
+          .filter((obj) => !obj.workspaces?.includes(targetWorkspaceId))
+          .map((obj) => ({
+            id: obj.id,
+            type: obj.type,
+          }));
+        if (objects.length > 0) {
+          const result = await savedObjectsClient.addToWorkspaces(
+            objects,
+            [targetWorkspaceId],
+            shareOptions
+          );
+          results = results.concat(result);
+        }
+        if (response.saved_objects.length < MAX_OBJECTS_AMOUNT) break;
+      }
+      return res.ok({ body: results });
+    })
+  );
 }