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/**
* @license
* Copyright (C) 2015 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 '../../shared/gr-icons/gr-icons';
import '../../shared/gr-rest-api-interface/gr-rest-api-interface';
import '../gr-change-list/gr-change-list';
import '../gr-repo-header/gr-repo-header';
import '../gr-user-header/gr-user-header';
import '../../../styles/shared-styles';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin';
import {PolymerElement} from '@polymer/polymer/polymer-element';
import {htmlTemplate} from './gr-change-list-view_html';
import {page} from '../../../utils/page-wrapper-utils';
import {GerritNav, GerritView} from '../../core/gr-navigation/gr-navigation';
import {customElement, property} from '@polymer/decorators';
import {AppElementParams} from '../../gr-app-types';
import {
AccountDetailInfo,
AccountId,
ChangeInfo,
EmailAddress,
PreferencesInput,
} from '../../../types/common';
import {RestApiService} from '../../../services/services/gr-rest-api/gr-rest-api';
import {ChangeListToggleReviewedDetail} from '../gr-change-list-item/gr-change-list-item';
import {ChangeStarToggleStarDetail} from '../../shared/gr-change-star/gr-change-star';
import {hasOwnProperty} from '../../../utils/common-util';
import {ChangeListViewState} from '../../../types/types';
const LookupQueryPatterns = {
CHANGE_ID: /^\s*i?[0-9a-f]{7,40}\s*$/i,
CHANGE_NUM: /^\s*[1-9][0-9]*\s*$/g,
COMMIT: /[0-9a-f]{40}/,
};
const USER_QUERY_PATTERN = /^owner:\s?("[^"]+"|[^ ]+)$/;
const REPO_QUERY_PATTERN = /^project:\s?("[^"]+"|[^ ]+)(\sstatus\s?:(open|"open"))?$/;
const LIMIT_OPERATOR_PATTERN = /\blimit:(\d+)/i;
export interface GrChangeListView {
$: {
restAPI: RestApiService & Element;
prevArrow: HTMLAnchorElement;
nextArrow: HTMLAnchorElement;
};
}
@customElement('gr-change-list-view')
export class GrChangeListView extends GestureEventListeners(
LegacyElementMixin(PolymerElement)
) {
static get template() {
return htmlTemplate;
}
/**
* Fired when the title of the page should change.
*
* @event title-change
*/
@property({type: Object, observer: '_paramsChanged'})
params?: AppElementParams;
@property({type: Boolean, computed: '_computeLoggedIn(account)'})
_loggedIn?: boolean;
@property({type: Object})
account: AccountDetailInfo | null = null;
@property({type: Object, notify: true})
viewState: ChangeListViewState = {};
@property({type: Object})
preferences?: PreferencesInput;
@property({type: Number})
_changesPerPage?: number;
@property({type: String})
_query = '';
@property({type: Number})
_offset?: number;
@property({type: Array, observer: '_changesChanged'})
_changes?: ChangeInfo[];
@property({type: Boolean})
_loading = true;
@property({type: String})
_userId: AccountId | EmailAddress | null = null;
@property({type: String})
_repo: string | null = null;
/** @override */
created() {
super.created();
this.addEventListener('next-page', () => this._handleNextPage());
this.addEventListener('previous-page', () => this._handlePreviousPage());
}
/** @override */
attached() {
super.attached();
this._loadPreferences();
}
_paramsChanged(value: AppElementParams) {
if (value.view !== GerritView.SEARCH) return;
this._loading = true;
this._query = value.query;
const offset = Number(value.offset);
this._offset = isNaN(offset) ? 0 : offset;
if (
this.viewState.query !== this._query ||
this.viewState.offset !== this._offset
) {
this.set('viewState.selectedChangeIndex', 0);
this.set('viewState.query', this._query);
this.set('viewState.offset', this._offset);
}
// NOTE: This method may be called before attachment. Fire title-change
// in an async so that attachment to the DOM can take place first.
this.async(() =>
this.dispatchEvent(
new CustomEvent('title-change', {
detail: {title: this._query},
composed: true,
bubbles: true,
})
)
);
this.$.restAPI
.getPreferences()
.then(prefs => {
if (!prefs) {
throw new Error('getPreferences returned undefined');
}
this._changesPerPage = prefs.changes_per_page;
return this._getChanges();
})
.then(changes => {
changes = changes || [];
if (this._query && changes.length === 1) {
let query: keyof typeof LookupQueryPatterns;
for (query in LookupQueryPatterns) {
if (
hasOwnProperty(LookupQueryPatterns, query) &&
this._query.match(LookupQueryPatterns[query])
) {
// "Back"/"Forward" buttons work correctly only with
// opt_redirect options
GerritNav.navigateToChange(
changes[0],
undefined,
undefined,
undefined,
true
);
return;
}
}
}
this._changes = changes;
this._loading = false;
});
}
_loadPreferences() {
return this.$.restAPI.getLoggedIn().then(loggedIn => {
if (loggedIn) {
this.$.restAPI.getPreferences().then(preferences => {
this.preferences = preferences;
});
} else {
this.preferences = {};
}
});
}
_getChanges() {
return this.$.restAPI.getChanges(
this._changesPerPage,
this._query,
this._offset
);
}
_limitFor(query: string, defaultLimit: number) {
const match = query.match(LIMIT_OPERATOR_PATTERN);
if (!match) {
return defaultLimit;
}
return Number(match[1]);
}
_computeNavLink(
query: string,
offset: number | undefined,
direction: number,
changesPerPage: number
) {
offset = offset ?? 0;
const limit = this._limitFor(query, changesPerPage);
const newOffset = Math.max(0, offset + limit * direction);
return GerritNav.getUrlForSearchQuery(query, newOffset);
}
_computePrevArrowClass(offset?: number) {
return offset === 0 ? 'hide' : '';
}
_computeNextArrowClass(changes?: ChangeInfo[]) {
const more = changes?.length && changes[changes.length - 1]._more_changes;
return more ? '' : 'hide';
}
_computeNavClass(loading?: boolean) {
return loading || !this._changes || !this._changes.length ? 'hide' : '';
}
_handleNextPage() {
if (this.$.nextArrow.hidden || !this._changesPerPage) return;
page.show(
this._computeNavLink(this._query, this._offset, 1, this._changesPerPage)
);
}
_handlePreviousPage() {
if (this.$.prevArrow.hidden || !this._changesPerPage) return;
page.show(
this._computeNavLink(this._query, this._offset, -1, this._changesPerPage)
);
}
_changesChanged(changes?: ChangeInfo[]) {
this._userId = null;
this._repo = null;
if (!changes || !changes.length) {
return;
}
if (USER_QUERY_PATTERN.test(this._query)) {
const owner = changes[0].owner;
const userId = owner._account_id ? owner._account_id : owner.email;
if (userId) {
this._userId = userId;
return;
}
}
if (REPO_QUERY_PATTERN.test(this._query)) {
this._repo = changes[0].project;
}
}
_computeHeaderClass(id?: string) {
return id ? '' : 'hide';
}
_computePage(offset?: number, changesPerPage?: number) {
if (offset === undefined || changesPerPage === undefined) return;
return offset / changesPerPage + 1;
}
_computeLoggedIn(account?: AccountDetailInfo) {
return !!(account && Object.keys(account).length > 0);
}
_handleToggleStar(e: CustomEvent<ChangeStarToggleStarDetail>) {
this.$.restAPI.saveChangeStarred(e.detail.change._number, e.detail.starred);
}
_handleToggleReviewed(e: CustomEvent<ChangeListToggleReviewedDetail>) {
this.$.restAPI.saveChangeReviewed(
e.detail.change._number,
e.detail.reviewed
);
}
}
declare global {
interface HTMLElementTagNameMap {
'gr-change-list-view': GrChangeListView;
}
}