blob: cc35ff89863e66c178d165e4feea8fb849dc4386 [file] [log] [blame]
// 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 LIMIT_OPERATOR_PATTERN = /\blimit:(\d+)/i;
Polymer({
is: 'gr-change-list-view',
/**
* Fired when the title of the page should change.
*
* @event title-change
*/
behaviors: [
Gerrit.BaseUrlBehavior,
Gerrit.URLEncodingBehavior,
],
properties: {
/**
* URL params passed from the router.
*/
params: {
type: Object,
observer: '_paramsChanged',
},
/**
* True when user is logged in.
*/
loggedIn: {
type: Boolean,
value: false,
},
/**
* 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 {}; },
},
_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,
},
},
listeners: {
'next-page': '_handleNextPage',
'previous-page': '_handlePreviousPage',
},
attached() {
this.fire('title-change', {title: this._query});
},
_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);
}
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])) {
page.show('/c/' + changes[0]._number);
return;
}
}
}
this._changes = changes;
this._loading = false;
});
},
_getChanges() {
return this.$.restAPI.getChanges(this._changesPerPage, this._query,
this._offset);
},
_getPreferences() {
return this.$.restAPI.getPreferences();
},
_limitFor(query, defaultLimit) {
const match = query.match(LIMIT_OPERATOR_PATTERN);
if (!match) {
return defaultLimit;
}
return parseInt(match[1], 10);
},
_computeNavLink(query, offset, direction, changesPerPage) {
// Offset could be a string when passed from the router.
offset = +(offset || 0);
const limit = this._limitFor(query, changesPerPage);
const newOffset = Math.max(0, offset + (limit * direction));
// Double encode URI component.
let href = this.getBaseUrl() + '/q/' + this.encodeURL(query, false);
if (newOffset > 0) {
href += ',' + newOffset;
}
return href;
},
_hidePrevArrow(offset) {
return offset === 0;
},
_hideNextArrow(loading) {
return loading || !this._changes || !this._changes.length ||
!this._changes[this._changes.length - 1]._more_changes;
},
_handleNextPage() {
if (this.$.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) {
if (!changes || !changes.length ||
!USER_QUERY_PATTERN.test(this._query)) {
this._userId = null;
return;
}
this._userId = changes[0].owner.email;
},
_computeUserHeaderClass(userId) {
return userId ? '' : 'hide';
},
});
})();