blob: e3a3b31e2458fe60f144097ea9de0fff1697a044 [file] [log] [blame]
/**
* @license
* Copyright (C) 2016 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.
*/
(function() {
'use strict';
const LookupQueryPatterns = {
CHANGE_ID: /^\s*i?[0-9a-f]{8,40}\s*$/i,
CHANGE_NUM: /^\s*[1-9][0-9]*\s*$/g,
};
const USER_QUERY_PATTERN = /^owner:\s?("[^"]+"|[^ ]+)$/;
const REPO_QUERY_PATTERN =
/^project:\s?("[^"]+"|[^ ]+)(\sstatus\s?:(open|"open"))?$/;
const LIMIT_OPERATOR_PATTERN = /\blimit:(\d+)/i;
/**
* @appliesMixin Gerrit.BaseUrlMixin
* @appliesMixin Gerrit.FireMixin
* @appliesMixin Gerrit.URLEncodingMixin
* @extends Polymer.Element
*/
class GrChangeListView extends Polymer.mixinBehaviors( [
Gerrit.BaseUrlBehavior,
Gerrit.FireBehavior,
Gerrit.URLEncodingBehavior,
], Polymer.GestureEventListeners(
Polymer.LegacyElementMixin(
Polymer.Element))) {
static get is() { return 'gr-change-list-view'; }
/**
* Fired when the title of the page should change.
*
* @event title-change
*/
static get properties() {
return {
/**
* URL params passed from the router.
*/
params: {
type: Object,
observer: '_paramsChanged',
},
/**
* True when user is logged in.
*/
_loggedIn: {
type: Boolean,
computed: '_computeLoggedIn(account)',
},
account: {
type: Object,
value: null,
},
/**
* State persisted across restamps of the element.
*
* Need sub-property declaration since it is used in template before
* assignment.
*
* @type {{ selectedChangeIndex: (number|undefined) }}
*
*/
viewState: {
type: Object,
notify: true,
value() { return {}; },
},
preferences: Object,
_changesPerPage: Number,
/**
* Currently active query.
*/
_query: {
type: String,
value: '',
},
/**
* Offset of currently visible query results.
*/
_offset: Number,
/**
* Change objects loaded from the server.
*/
_changes: {
type: Array,
observer: '_changesChanged',
},
/**
* For showing a "loading..." string during ajax requests.
*/
_loading: {
type: Boolean,
value: true,
},
/** @type {?string} */
_userId: {
type: String,
value: null,
},
/** @type {?string} */
_repo: {
type: String,
value: 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) {
if (value.view !== Gerrit.Nav.View.SEARCH) { return; }
this._loading = true;
this._query = value.query;
this._offset = value.offset || 0;
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.fire('title-change', {title: this._query}));
this._getPreferences()
.then(prefs => {
this._changesPerPage = prefs.changes_per_page;
return this._getChanges();
})
.then(changes => {
changes = changes || [];
if (this._query && changes.length === 1) {
for (const query in LookupQueryPatterns) {
if (LookupQueryPatterns.hasOwnProperty(query) &&
this._query.match(LookupQueryPatterns[query])) {
this._replaceCurrentLocation(
Gerrit.Nav.getUrlForChange(changes[0]));
return;
}
}
}
this._changes = changes;
this._loading = false;
});
}
_loadPreferences() {
return this.$.restAPI.getLoggedIn().then(loggedIn => {
if (loggedIn) {
this._getPreferences().then(preferences => {
this.preferences = preferences;
});
} else {
this.preferences = {};
}
});
}
_replaceCurrentLocation(url) {
window.location.replace(url);
}
_getChanges() {
return this.$.restAPI.getChanges(this._changesPerPage, this._query,
this._offset);
}
_getPreferences() {
return this.$.restAPI.getPreferences();
}
_limitFor(query, defaultLimit) {
const match = query.match(LIMIT_OPERATOR_PATTERN);
if (!match) {
return defaultLimit;
}
return parseInt(match[1], 10);
}
_computeNavLink(query, offset, direction, changesPerPage) {
// Offset could be a string when passed from the router.
offset = +(offset || 0);
const limit = this._limitFor(query, changesPerPage);
const newOffset = Math.max(0, offset + (limit * direction));
return Gerrit.Nav.getUrlForSearchQuery(query, newOffset);
}
_computePrevArrowClass(offset) {
return offset === 0 ? 'hide' : '';
}
_computeNextArrowClass(changes) {
const more = changes.length && changes[changes.length - 1]._more_changes;
return more ? '' : 'hide';
}
_computeNavClass(loading) {
return loading || !this._changes || !this._changes.length ? 'hide' : '';
}
_handleNextPage() {
if (this.$.nextArrow.hidden) { return; }
page.show(this._computeNavLink(
this._query, this._offset, 1, this._changesPerPage));
}
_handlePreviousPage() {
if (this.$.prevArrow.hidden) { return; }
page.show(this._computeNavLink(
this._query, this._offset, -1, this._changesPerPage));
}
_changesChanged(changes) {
this._userId = null;
this._repo = null;
if (!changes || !changes.length) {
return;
}
if (USER_QUERY_PATTERN.test(this._query)) {
const owner = changes[0].owner;
const userId = owner._account_id ? owner._account_id : owner.email;
if (userId) {
this._userId = userId;
return;
}
}
if (REPO_QUERY_PATTERN.test(this._query)) {
this._repo = changes[0].project;
}
}
_computeHeaderClass(id) {
return id ? '' : 'hide';
}
_computePage(offset, changesPerPage) {
return offset / changesPerPage + 1;
}
_computeLoggedIn(account) {
return !!(account && Object.keys(account).length > 0);
}
_handleToggleStar(e) {
this.$.restAPI.saveChangeStarred(e.detail.change._number,
e.detail.starred);
}
_handleToggleReviewed(e) {
this.$.restAPI.saveChangeReviewed(e.detail.change._number,
e.detail.reviewed);
}
}
customElements.define(GrChangeListView.is, GrChangeListView);
})();