web/owner-status-column.ts - plugins/code-owners - Git at Google

 /**
  * @license
  * Copyright (C) 2020 The Android Open Source Project
  *
  * Licensed under the Apache 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
  *
  * http://www.apache.org/licenses/LICENSE-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.
  */

 import {
   BasePatchSetNum,
   RevisionPatchSetNum,
 } from '@gerritcodereview/typescript-api/rest-api';
 import {css, html, LitElement, nothing, PropertyValues} from 'lit';
 import {customElement, property} from 'lit/decorators';
 import {OwnerStatus} from './code-owners-api';
 import {FileStatus} from './code-owners-model';
 import {CodeOwnersModelMixin} from './code-owners-model-mixin';

 // TODO: Extend the API for plugins.
 export interface PatchRange {
   patchNum: RevisionPatchSetNum;
   basePatchNum: BasePatchSetNum;
 }

 const MAGIC_FILES = ['/COMMIT_MSG', '/MERGE_LIST', '/PATCHSET_LEVEL'];
 const STATUS_CODE = {
   PENDING: 'pending',
   PENDING_OLD_PATH: 'pending-old-path',
   MISSING: 'missing',
   MISSING_OLD_PATH: 'missing-old-path',
   APPROVED: 'approved',
   ERROR: 'error',
   ERROR_OLD_PATH: 'error-old-path',
 };

 const STATUS_PRIORITY_ORDER = [
   STATUS_CODE.ERROR,
   STATUS_CODE.ERROR_OLD_PATH,
   STATUS_CODE.MISSING,
   STATUS_CODE.PENDING,
   STATUS_CODE.MISSING_OLD_PATH,
   STATUS_CODE.PENDING_OLD_PATH,
   STATUS_CODE.APPROVED,
 ];

 const STATUS_ICON = {
   [STATUS_CODE.PENDING]: 'schedule',
   [STATUS_CODE.MISSING]: 'close',
   [STATUS_CODE.PENDING_OLD_PATH]: 'schedule',
   [STATUS_CODE.MISSING_OLD_PATH]: 'close',
   [STATUS_CODE.APPROVED]: 'check',
   [STATUS_CODE.ERROR]: 'info',
 };

 const STATUS_TOOLTIP = {
   [STATUS_CODE.PENDING]: 'Pending code owner approval',
   [STATUS_CODE.MISSING]: 'Missing code owner approval',
   [STATUS_CODE.PENDING_OLD_PATH]:
     'Pending code owner approval on pre-renamed file',
   [STATUS_CODE.MISSING_OLD_PATH]:
     'Missing code owner approval on pre-renamed file',
   [STATUS_CODE.APPROVED]: 'Approved by code owner',
   [STATUS_CODE.ERROR]: 'Failed to fetch code owner status',
   [STATUS_CODE.ERROR_OLD_PATH]: 'Failed to fetch code owner status',
 };

 export function hasPath(ownedPaths: Set<string>, path: string | undefined) {
   if (!path) return false;
   if (path.charAt(0) === '/') {
     if (ownedPaths.has(path)) return true;
   } else {
     // NOTE: The backend returns absolute paths.
     if (ownedPaths.has('/' + path)) return true;
   }
   return false;
 }

 const base = CodeOwnersModelMixin(LitElement);

 class BaseEl extends base {
   @property({type: Object})
   patchRange?: PatchRange;

   computeHidden() {
     const newerPatchsetUploaded = this.status?.newerPatchsetUploaded;
     if (
       this.change === undefined ||
       this.patchRange === undefined ||
       newerPatchsetUploaded === undefined
     ) {
       return true;
     }
     // if code-owners is not a submit requirement, don't show status column
     if (
       this.change.requirements &&
       !this.change.requirements.find(r => r.type === 'code-owners')
     ) {
       return true;
     }

     if (newerPatchsetUploaded) return true;

     const latestPatchset =
       this.change.revisions![this.change.current_revision!];
     // Note: in some special cases, patchNum is undefined on latest patchset
     // like after publishing the edit, still show for them
     // TODO: this should be fixed in Gerrit
     if (this.patchRange?.patchNum === undefined) return false;
     // only show if its latest patchset
     if (`${this.patchRange.patchNum}` !== `${latestPatchset._number}`)
       return true;
     return false;
   }
 }

 export const OWNERS_STATUS_COLUMN_HEADER = 'owner-status-column-header';
 /**
  * Column header element for owner status.
  */
 @customElement(OWNERS_STATUS_COLUMN_HEADER)
 export class OwnerStatusColumnHeader extends BaseEl {
   static override get styles() {
     return [
       css`
         :host() {
           display: block;
           padding-right: var(--spacing-m);
           width: 3em;
         }
       `,
     ];
   }

   override render() {
     if (this.computeHidden()) return nothing;
     return html`<div></div>`;
   }
 }

 export const OWNER_STATUS_COLUMN_CONTENT = 'owner-status-column-content';
 /**
  * Row content element for owner status.
  */
 @customElement(OWNER_STATUS_COLUMN_CONTENT)
 export class OwnerStatusColumnContent extends BaseEl {
   @property({type: String})
   path?: string;

   @property({type: String})
   oldPath?: string;

   @property({type: Array})
   cleanlyMergedPaths?: Array<string>;

   @property({type: Array})
   cleanlyMergedOldPaths?: Array<string>;

   @property({type: String, reflect: true, attribute: 'owner-status'})
   ownerStatus?: string;

   static override get styles() {
     return [
       css`
         :host {
           display: flex;
           padding-right: var(--spacing-m);
           width: 3em;
           text-align: center;
         }
         gr-icon {
           padding: var(--spacing-xs) 0px;
         }
         :host([owner-status='approved']) gr-icon.status {
           color: var(--positive-green-text-color);
         }
         :host([owner-status='pending']) gr-icon.status {
           color: #ffa62f;
         }
         :host([owner-status='missing']) gr-icon.status,
         :host([owner-status='error']) gr-icon.status {
           color: var(--negative-red-text-color);
         }
       `,
     ];
   }

   protected override willUpdate(changedProperties: PropertyValues): void {
     super.willUpdate(changedProperties);
     this.computeStatus();
   }

   override render() {
     if (this.computeHidden() || this.status === undefined) return nothing;
     return html`${this.renderStatus()}${this.renderOwnership()}`;
   }

   private renderStatus() {
     const statusInfo = this.computeTooltip();
     const statusIcon = this.computeStatusIcon();
     return html`
       <gr-tooltip-content title=${statusInfo} has-tooltip>
         <gr-icon class="status" icon=${statusIcon}></gr-icon>
       </gr-tooltip-content>
     `;
   }

   private renderOwnership() {
     if (!this.isOwned()) return nothing;
     return html`
       <gr-tooltip-content title="You own this file" has-tooltip>
         <gr-icon filled icon="policy"></gr-icon>
       </gr-tooltip-content>
     `;
   }

   private isOwned() {
     if (!this.ownedPaths) return false;
     if (
       hasPath(this.ownedPaths.newPaths, this.path) ||
       hasPath(this.ownedPaths.oldPaths, this.oldPath)
     )
       return true;
     return false;
   }

   override loadPropertiesAfterModelChanged() {
     super.loadPropertiesAfterModelChanged();
     this.modelLoader?.loadStatus();
     this.modelLoader?.loadOwnedPaths();
   }

   private computeStatus() {
     if (
       this.status === undefined ||
       (this.cleanlyMergedPaths === undefined &&
         (this.path === undefined || this.oldPath === undefined))
     ) {
       return;
     }

     const codeOwnerStatusMap = this.status.codeOwnerStatusMap;
     const paths =
       this.path === undefined ? this.cleanlyMergedPaths : [this.path];
     const oldPaths =
       this.oldPath === undefined ? this.cleanlyMergedOldPaths : [this.oldPath];

     const statuses = (paths ?? [])
       .filter(path => !MAGIC_FILES.includes(path))
       .map(path => this.extractStatus(codeOwnerStatusMap.get(path)!, false));
     // oldPath may contain null, so filter that as well.
     const oldStatuses = (oldPaths ?? [])
       .filter(path => !MAGIC_FILES.includes(path) && !!path)
       .map(path => this.extractStatus(codeOwnerStatusMap.get(path)!, true));
     const allStatuses = statuses.concat(oldStatuses);
     if (allStatuses.length === 0) {
       return;
     }
     this.ownerStatus = allStatuses.reduce((a, b) =>
       STATUS_PRIORITY_ORDER.indexOf(a) < STATUS_PRIORITY_ORDER.indexOf(b)
         ? a
         : b
     );
   }

   private computeStatusIcon() {
     return STATUS_ICON[this.ownerStatus!];
   }

   private computeTooltip() {
     return STATUS_TOOLTIP[this.ownerStatus!];
   }

   private extractStatus(statusItem: FileStatus, oldPath: boolean) {
     if (statusItem === undefined) {
       return oldPath ? STATUS_CODE.ERROR_OLD_PATH : STATUS_CODE.ERROR;
     } else if (statusItem.status === OwnerStatus.INSUFFICIENT_REVIEWERS) {
       return oldPath ? STATUS_CODE.MISSING_OLD_PATH : STATUS_CODE.MISSING;
     } else if (statusItem.status === OwnerStatus.PENDING) {
       return oldPath ? STATUS_CODE.PENDING_OLD_PATH : STATUS_CODE.PENDING;
     } else {
       return STATUS_CODE.APPROVED;
     }
   }
 }
	/**
	* @license
	* Copyright (C) 2020 The Android Open Source Project
	*
	* Licensed under the Apache 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
	*
	* http://www.apache.org/licenses/LICENSE-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.
	*/

	import {
	BasePatchSetNum,
	RevisionPatchSetNum,
	} from '@gerritcodereview/typescript-api/rest-api';
	import {css, html, LitElement, nothing, PropertyValues} from 'lit';
	import {customElement, property} from 'lit/decorators';
	import {OwnerStatus} from './code-owners-api';
	import {FileStatus} from './code-owners-model';
	import {CodeOwnersModelMixin} from './code-owners-model-mixin';

	// TODO: Extend the API for plugins.
	export interface PatchRange {
	patchNum: RevisionPatchSetNum;
	basePatchNum: BasePatchSetNum;
	}

	const MAGIC_FILES = ['/COMMIT_MSG', '/MERGE_LIST', '/PATCHSET_LEVEL'];
	const STATUS_CODE = {
	PENDING: 'pending',
	PENDING_OLD_PATH: 'pending-old-path',
	MISSING: 'missing',
	MISSING_OLD_PATH: 'missing-old-path',
	APPROVED: 'approved',
	ERROR: 'error',
	ERROR_OLD_PATH: 'error-old-path',
	};

	const STATUS_PRIORITY_ORDER = [
	STATUS_CODE.ERROR,
	STATUS_CODE.ERROR_OLD_PATH,
	STATUS_CODE.MISSING,
	STATUS_CODE.PENDING,
	STATUS_CODE.MISSING_OLD_PATH,
	STATUS_CODE.PENDING_OLD_PATH,
	STATUS_CODE.APPROVED,
	];

	const STATUS_ICON = {
	[STATUS_CODE.PENDING]: 'schedule',
	[STATUS_CODE.MISSING]: 'close',
	[STATUS_CODE.PENDING_OLD_PATH]: 'schedule',
	[STATUS_CODE.MISSING_OLD_PATH]: 'close',
	[STATUS_CODE.APPROVED]: 'check',
	[STATUS_CODE.ERROR]: 'info',
	};

	const STATUS_TOOLTIP = {
	[STATUS_CODE.PENDING]: 'Pending code owner approval',
	[STATUS_CODE.MISSING]: 'Missing code owner approval',
	[STATUS_CODE.PENDING_OLD_PATH]:
	'Pending code owner approval on pre-renamed file',
	[STATUS_CODE.MISSING_OLD_PATH]:
	'Missing code owner approval on pre-renamed file',
	[STATUS_CODE.APPROVED]: 'Approved by code owner',
	[STATUS_CODE.ERROR]: 'Failed to fetch code owner status',
	[STATUS_CODE.ERROR_OLD_PATH]: 'Failed to fetch code owner status',
	};

	export function hasPath(ownedPaths: Set<string>, path: string \| undefined) {
	if (!path) return false;
	if (path.charAt(0) === '/') {
	if (ownedPaths.has(path)) return true;
	} else {
	// NOTE: The backend returns absolute paths.
	if (ownedPaths.has('/' + path)) return true;
	}
	return false;
	}

	const base = CodeOwnersModelMixin(LitElement);

	class BaseEl extends base {
	@property({type: Object})
	patchRange?: PatchRange;

	computeHidden() {
	const newerPatchsetUploaded = this.status?.newerPatchsetUploaded;
	if (
	this.change === undefined \|\|
	this.patchRange === undefined \|\|
	newerPatchsetUploaded === undefined
	) {
	return true;
	}
	// if code-owners is not a submit requirement, don't show status column
	if (
	this.change.requirements &&
	!this.change.requirements.find(r => r.type === 'code-owners')
	) {
	return true;
	}

	if (newerPatchsetUploaded) return true;

	const latestPatchset =
	this.change.revisions![this.change.current_revision!];
	// Note: in some special cases, patchNum is undefined on latest patchset
	// like after publishing the edit, still show for them
	// TODO: this should be fixed in Gerrit
	if (this.patchRange?.patchNum === undefined) return false;
	// only show if its latest patchset
	if (`${this.patchRange.patchNum}` !== `${latestPatchset._number}`)
	return true;
	return false;
	}
	}

	export const OWNERS_STATUS_COLUMN_HEADER = 'owner-status-column-header';
	/**
	* Column header element for owner status.
	*/
	@customElement(OWNERS_STATUS_COLUMN_HEADER)
	export class OwnerStatusColumnHeader extends BaseEl {
	static override get styles() {
	return [
	css`
	:host() {
	display: block;
	padding-right: var(--spacing-m);
	width: 3em;
	}
	`,
	];
	}

	override render() {
	if (this.computeHidden()) return nothing;
	return html`<div></div>`;
	}
	}

	export const OWNER_STATUS_COLUMN_CONTENT = 'owner-status-column-content';
	/**
	* Row content element for owner status.
	*/
	@customElement(OWNER_STATUS_COLUMN_CONTENT)
	export class OwnerStatusColumnContent extends BaseEl {
	@property({type: String})
	path?: string;

	@property({type: String})
	oldPath?: string;

	@property({type: Array})
	cleanlyMergedPaths?: Array<string>;

	@property({type: Array})
	cleanlyMergedOldPaths?: Array<string>;

	@property({type: String, reflect: true, attribute: 'owner-status'})
	ownerStatus?: string;

	static override get styles() {
	return [
	css`
	:host {
	display: flex;
	padding-right: var(--spacing-m);
	width: 3em;
	text-align: center;
	}
	gr-icon {
	padding: var(--spacing-xs) 0px;
	}
	:host([owner-status='approved']) gr-icon.status {
	color: var(--positive-green-text-color);
	}
	:host([owner-status='pending']) gr-icon.status {
	color: #ffa62f;
	}
	:host([owner-status='missing']) gr-icon.status,
	:host([owner-status='error']) gr-icon.status {
	color: var(--negative-red-text-color);
	}
	`,
	];
	}

	protected override willUpdate(changedProperties: PropertyValues): void {
	super.willUpdate(changedProperties);
	this.computeStatus();
	}

	override render() {
	if (this.computeHidden() \|\| this.status === undefined) return nothing;
	return html`${this.renderStatus()}${this.renderOwnership()}`;
	}

	private renderStatus() {
	const statusInfo = this.computeTooltip();
	const statusIcon = this.computeStatusIcon();
	return html`
	<gr-tooltip-content title=${statusInfo} has-tooltip>
	<gr-icon class="status" icon=${statusIcon}></gr-icon>
	</gr-tooltip-content>
	`;
	}

	private renderOwnership() {
	if (!this.isOwned()) return nothing;
	return html`
	<gr-tooltip-content title="You own this file" has-tooltip>
	<gr-icon filled icon="policy"></gr-icon>
	</gr-tooltip-content>
	`;
	}

	private isOwned() {
	if (!this.ownedPaths) return false;
	if (
	hasPath(this.ownedPaths.newPaths, this.path) \|\|
	hasPath(this.ownedPaths.oldPaths, this.oldPath)
	)
	return true;
	return false;
	}

	override loadPropertiesAfterModelChanged() {
	super.loadPropertiesAfterModelChanged();
	this.modelLoader?.loadStatus();
	this.modelLoader?.loadOwnedPaths();
	}

	private computeStatus() {
	if (
	this.status === undefined \|\|
	(this.cleanlyMergedPaths === undefined &&
	(this.path === undefined \|\| this.oldPath === undefined))
	) {
	return;
	}

	const codeOwnerStatusMap = this.status.codeOwnerStatusMap;
	const paths =
	this.path === undefined ? this.cleanlyMergedPaths : [this.path];
	const oldPaths =
	this.oldPath === undefined ? this.cleanlyMergedOldPaths : [this.oldPath];

	const statuses = (paths ?? [])
	.filter(path => !MAGIC_FILES.includes(path))
	.map(path => this.extractStatus(codeOwnerStatusMap.get(path)!, false));
	// oldPath may contain null, so filter that as well.
	const oldStatuses = (oldPaths ?? [])
	.filter(path => !MAGIC_FILES.includes(path) && !!path)
	.map(path => this.extractStatus(codeOwnerStatusMap.get(path)!, true));
	const allStatuses = statuses.concat(oldStatuses);
	if (allStatuses.length === 0) {
	return;
	}
	this.ownerStatus = allStatuses.reduce((a, b) =>
	STATUS_PRIORITY_ORDER.indexOf(a) < STATUS_PRIORITY_ORDER.indexOf(b)
	? a
	: b
	);
	}

	private computeStatusIcon() {
	return STATUS_ICON[this.ownerStatus!];
	}

	private computeTooltip() {
	return STATUS_TOOLTIP[this.ownerStatus!];
	}

	private extractStatus(statusItem: FileStatus, oldPath: boolean) {
	if (statusItem === undefined) {
	return oldPath ? STATUS_CODE.ERROR_OLD_PATH : STATUS_CODE.ERROR;
	} else if (statusItem.status === OwnerStatus.INSUFFICIENT_REVIEWERS) {
	return oldPath ? STATUS_CODE.MISSING_OLD_PATH : STATUS_CODE.MISSING;
	} else if (statusItem.status === OwnerStatus.PENDING) {
	return oldPath ? STATUS_CODE.PENDING_OLD_PATH : STATUS_CODE.PENDING;
	} else {
	return STATUS_CODE.APPROVED;
	}
	}
	}