blob: df75d52d4ef0d4e91395927e3b8808b7e63e1eb3 [file] [log] [blame]
// Copyright (C) 2017 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';
Polymer({
is: 'gr-diff-comment-thread-group',
properties: {
changeNum: String,
comments: {
type: Array,
value: function() { return []; },
},
patchForNewThreads: String,
projectConfig: Object,
range: Object,
isOnParent: {
type: Boolean,
value: false,
},
_threads: {
type: Array,
value: function() { return []; },
},
},
observers: [
'_commentsChanged(comments.*)',
],
addNewThread: function(locationRange) {
this.push('_threads', {
comments: [],
locationRange: locationRange,
patchNum: this.patchForNewThreads,
});
},
removeThread: function(locationRange) {
for (var i = 0; i < this._threads.length; i++) {
if (this._threads[i].locationRange === locationRange) {
this.splice('_threads', i, 1);
return;
}
}
},
getThreadForRange: function(rangeToCheck) {
var threads = [].filter.call(
Polymer.dom(this.root).querySelectorAll('gr-diff-comment-thread'),
function(thread) {
return thread.locationRange === rangeToCheck;
});
if (threads.length === 1) {
return threads[0];
}
},
_commentsChanged: function() {
this._threads = this._getThreadGroups(this.comments);
},
_sortByDate: function(threadGroups) {
if (!threadGroups.length) { return; }
return threadGroups.sort(function(a, b) {
// If a comment is a draft, it doesn't have a start_datetime yet.
// Assume it is newer than the comment it is being compared to.
if (!a.start_datetime) {
return 1;
}
if (!b.start_datetime) {
return -1;
}
return util.parseDate(a.start_datetime) -
util.parseDate(b.start_datetime);
});
},
_calculateLocationRange: function(range, comment) {
return 'range-' + range.start_line + '-' +
range.start_character + '-' +
range.end_line + '-' +
range.end_character + '-' +
comment.__commentSide;
},
/**
* Determines what the patchNum of a thread should be. Use patchNum from
* comment if it exists, otherwise the property of the thread group.
* This is needed for switching between side-by-side and unified views when
* there are unsaved drafts.
*/
_getPatchNum: function(comment) {
return comment.patchNum || this.patchForNewThreads;
},
_getThreadGroups: function(comments) {
var threadGroups = {};
comments.forEach(function(comment) {
var locationRange;
if (!comment.range) {
locationRange = 'line-' + comment.__commentSide;
} else {
locationRange = this._calculateLocationRange(comment.range, comment);
}
if (threadGroups[locationRange]) {
threadGroups[locationRange].comments.push(comment);
} else {
threadGroups[locationRange] = {
start_datetime: comment.updated,
comments: [comment],
locationRange: locationRange,
commentSide: comment.__commentSide,
patchNum: this._getPatchNum(comment),
};
}
}.bind(this));
var threadGroupArr = [];
var threadGroupKeys = Object.keys(threadGroups);
threadGroupKeys.forEach(function(threadGroupKey) {
threadGroupArr.push(threadGroups[threadGroupKey]);
});
return this._sortByDate(threadGroupArr);
},
});
})();