| // 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() { return []; }, |
| }, |
| projectName: String, |
| patchForNewThreads: String, |
| range: Object, |
| isOnParent: { |
| type: Boolean, |
| value: false, |
| }, |
| _threads: { |
| type: Array, |
| value() { return []; }, |
| }, |
| }, |
| |
| observers: [ |
| '_commentsChanged(comments.*)', |
| ], |
| |
| addNewThread(locationRange) { |
| this.push('_threads', { |
| comments: [], |
| locationRange, |
| patchNum: this.patchForNewThreads, |
| }); |
| }, |
| |
| removeThread(locationRange) { |
| for (let i = 0; i < this._threads.length; i++) { |
| if (this._threads[i].locationRange === locationRange) { |
| this.splice('_threads', i, 1); |
| return; |
| } |
| } |
| }, |
| |
| getThreadForRange(rangeToCheck) { |
| const threads = [].filter.call( |
| Polymer.dom(this.root).querySelectorAll('gr-diff-comment-thread'), |
| thread => { |
| return thread.locationRange === rangeToCheck; |
| }); |
| if (threads.length === 1) { |
| return threads[0]; |
| } |
| }, |
| |
| _commentsChanged() { |
| this._threads = this._getThreadGroups(this.comments); |
| }, |
| |
| _sortByDate(threadGroups) { |
| if (!threadGroups.length) { return; } |
| return threadGroups.sort((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(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(comment) { |
| return comment.patchNum || this.patchForNewThreads; |
| }, |
| |
| _getThreadGroups(comments) { |
| const threadGroups = {}; |
| |
| for (const comment of comments) { |
| let 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, |
| commentSide: comment.__commentSide, |
| patchNum: this._getPatchNum(comment), |
| }; |
| } |
| } |
| |
| const threadGroupArr = []; |
| const threadGroupKeys = Object.keys(threadGroups); |
| for (const threadGroupKey of threadGroupKeys) { |
| threadGroupArr.push(threadGroups[threadGroupKey]); |
| } |
| |
| return this._sortByDate(threadGroupArr); |
| }, |
| }); |
| })(); |
