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feat: add core workspace module (#145)
The core workspace module(WorkspaceService) is a foundational component that enables the implementation of workspace features within OSD plugins. The purpose of the core workspace module is to provide a framework for workspace implementations. This module does not implement specific workspace functionality but provides the essential infrastructure for plugins to extend and customize workspace features, it maintains a shared workspace state(observables) across the entire application to ensure a consistent and up-to-date view of workspace-related information to all parts of the application. --------- Signed-off-by: Yulong Ruan <ruanyl@amazon.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| export { | ||
| WorkspacesStart, | ||
| WorkspacesService, | ||
| WorkspacesSetup, | ||
| WorkspaceObservables, | ||
| } from './workspaces_service'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| import { BehaviorSubject } from 'rxjs'; | ||
| import { WorkspaceAttribute } from '..'; | ||
|
|
||
| const currentWorkspaceId$ = new BehaviorSubject<string>(''); | ||
| const workspaceList$ = new BehaviorSubject<WorkspaceAttribute[]>([]); | ||
| const currentWorkspace$ = new BehaviorSubject<WorkspaceAttribute | null>(null); | ||
| const initialized$ = new BehaviorSubject<boolean>(false); | ||
| const workspaceEnabled$ = new BehaviorSubject<boolean>(false); | ||
|
|
||
| const createWorkspacesSetupContractMock = () => ({ | ||
| currentWorkspaceId$, | ||
| workspaceList$, | ||
| currentWorkspace$, | ||
| initialized$, | ||
| workspaceEnabled$, | ||
| registerWorkspaceMenuRender: jest.fn(), | ||
| }); | ||
|
|
||
| const createWorkspacesStartContractMock = () => ({ | ||
| currentWorkspaceId$, | ||
| workspaceList$, | ||
| currentWorkspace$, | ||
| initialized$, | ||
| workspaceEnabled$, | ||
| renderWorkspaceMenu: jest.fn(), | ||
| }); | ||
|
|
||
| export const workspacesServiceMock = { | ||
| createSetupContractMock: createWorkspacesSetupContractMock, | ||
| createStartContract: createWorkspacesStartContractMock, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| import { BehaviorSubject, combineLatest } from 'rxjs'; | ||
| import { isEqual } from 'lodash'; | ||
|
|
||
| import { CoreService, WorkspaceAttribute } from '../../types'; | ||
| import { InternalApplicationStart } from '../application'; | ||
| import { HttpSetup } from '../http'; | ||
|
|
||
| type WorkspaceMenuRenderFn = ({ | ||
| basePath, | ||
| getUrlForApp, | ||
| observables, | ||
| }: { | ||
| getUrlForApp: InternalApplicationStart['getUrlForApp']; | ||
| basePath: HttpSetup['basePath']; | ||
| observables: WorkspaceObservables; | ||
| }) => JSX.Element | null; | ||
|
|
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| type WorkspaceObject = WorkspaceAttribute & { readonly?: boolean }; | ||
|
|
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| export interface WorkspaceObservables { | ||
| currentWorkspaceId$: BehaviorSubject<string>; | ||
| currentWorkspace$: BehaviorSubject<WorkspaceObject | null>; | ||
| workspaceList$: BehaviorSubject<WorkspaceObject[]>; | ||
| workspaceEnabled$: BehaviorSubject<boolean>; | ||
| initialized$: BehaviorSubject<boolean>; | ||
| } | ||
|
|
||
| enum WORKSPACE_ERROR { | ||
| WORKSPACE_STALED = 'WORKSPACE_STALED', | ||
| } | ||
|
|
||
| /** | ||
| * @public | ||
| */ | ||
| export interface WorkspacesSetup extends WorkspaceObservables { | ||
| registerWorkspaceMenuRender: (render: WorkspaceMenuRenderFn) => void; | ||
| } | ||
|
|
||
| export interface WorkspacesStart extends WorkspaceObservables { | ||
| renderWorkspaceMenu: () => JSX.Element | null; | ||
| } | ||
|
|
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| export class WorkspacesService implements CoreService<WorkspacesSetup, WorkspacesStart> { | ||
| private currentWorkspaceId$ = new BehaviorSubject<string>(''); | ||
| private workspaceList$ = new BehaviorSubject<WorkspaceObject[]>([]); | ||
| private currentWorkspace$ = new BehaviorSubject<WorkspaceObject | null>(null); | ||
| private initialized$ = new BehaviorSubject<boolean>(false); | ||
| private workspaceEnabled$ = new BehaviorSubject<boolean>(false); | ||
| private _renderWorkspaceMenu: WorkspaceMenuRenderFn | null = null; | ||
|
|
||
| constructor() { | ||
| combineLatest([this.initialized$, this.workspaceList$, this.currentWorkspaceId$]).subscribe( | ||
| ([workspaceInitialized, workspaceList, currentWorkspaceId]) => { | ||
| if (workspaceInitialized) { | ||
| const currentWorkspace = workspaceList.find((w) => w && w.id === currentWorkspaceId); | ||
|
|
||
| /** | ||
| * Do a simple idempotent verification here | ||
| */ | ||
| if (!isEqual(currentWorkspace, this.currentWorkspace$.getValue())) { | ||
| this.currentWorkspace$.next(currentWorkspace ?? null); | ||
| } | ||
|
|
||
| if (currentWorkspaceId && !currentWorkspace?.id) { | ||
| /** | ||
| * Current workspace is staled | ||
| */ | ||
| this.currentWorkspaceId$.error({ | ||
| reason: WORKSPACE_ERROR.WORKSPACE_STALED, | ||
| }); | ||
| this.currentWorkspace$.error({ | ||
| reason: WORKSPACE_ERROR.WORKSPACE_STALED, | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| public setup(): WorkspacesSetup { | ||
| return { | ||
| currentWorkspaceId$: this.currentWorkspaceId$, | ||
| currentWorkspace$: this.currentWorkspace$, | ||
| workspaceList$: this.workspaceList$, | ||
| initialized$: this.initialized$, | ||
| workspaceEnabled$: this.workspaceEnabled$, | ||
| registerWorkspaceMenuRender: (render: WorkspaceMenuRenderFn) => | ||
| (this._renderWorkspaceMenu = render), | ||
| }; | ||
| } | ||
|
|
||
| public start({ | ||
| http, | ||
| application, | ||
| }: { | ||
| application: InternalApplicationStart; | ||
| http: HttpSetup; | ||
| }): WorkspacesStart { | ||
| const observables = { | ||
| currentWorkspaceId$: this.currentWorkspaceId$, | ||
| currentWorkspace$: this.currentWorkspace$, | ||
| workspaceList$: this.workspaceList$, | ||
| initialized$: this.initialized$, | ||
| workspaceEnabled$: this.workspaceEnabled$, | ||
| }; | ||
| return { | ||
| ...observables, | ||
| renderWorkspaceMenu: () => { | ||
| if (this._renderWorkspaceMenu) { | ||
| return this._renderWorkspaceMenu({ | ||
| basePath: http.basePath, | ||
| getUrlForApp: application.getUrlForApp, | ||
| observables, | ||
| }); | ||
| } | ||
| return null; | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| public async stop() { | ||
| this.currentWorkspace$.unsubscribe(); | ||
| this.currentWorkspaceId$.unsubscribe(); | ||
| this.workspaceList$.unsubscribe(); | ||
| this.workspaceEnabled$.unsubscribe(); | ||
| this.initialized$.unsubscribe(); | ||
| this._renderWorkspaceMenu = null; | ||
| } | ||
| } |
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