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/* eslint-disable comma-dangle, object-shorthand, func-names, no-else-return, guard-for-in, no-restricted-syntax, one-var, space-before-function-paren, no-lonely-if, no-continue, brace-style, max-len, quotes */
/* global DiscussionMixins */
/* global CommentsStore */
import Vue from 'vue';
const JumpToDiscussion = Vue.extend({
mixins: [DiscussionMixins],
props: {
discussionId: String
},
data: function () {
return {
discussions: CommentsStore.state,
discussion: {},
};
},
computed: {
allResolved: function () {
return this.unresolvedDiscussionCount === 0;
},
showButton: function () {
if (this.discussionId) {
if (this.unresolvedDiscussionCount > 1) {
return true;
} else {
return this.discussionId !== this.lastResolvedId;
}
} else {
return this.unresolvedDiscussionCount >= 1;
}
},
lastResolvedId: function () {
let lastId;
for (const discussionId in this.discussions) {
const discussion = this.discussions[discussionId];
if (!discussion.isResolved()) {
lastId = discussion.id;
}
}
return lastId;
}
},
methods: {
jumpToNextUnresolvedDiscussion: function () {
let discussionsSelector;
let discussionIdsInScope;
let firstUnresolvedDiscussionId;
let nextUnresolvedDiscussionId;
let activeTab = window.mrTabs.currentAction;
let hasDiscussionsToJumpTo = true;
let jumpToFirstDiscussion = !this.discussionId;
const discussionIdsForElements = function(elements) {
return elements.map(function() {
return $(this).attr('data-discussion-id');
}).toArray();
};
const discussions = this.discussions;
if (activeTab === 'diffs') {
discussionsSelector = '.diffs .notes[data-discussion-id]';
discussionIdsInScope = discussionIdsForElements($(discussionsSelector));
let unresolvedDiscussionCount = 0;
for (let i = 0; i < discussionIdsInScope.length; i += 1) {
const discussionId = discussionIdsInScope[i];
const discussion = discussions[discussionId];
if (discussion && !discussion.isResolved()) {
unresolvedDiscussionCount += 1;
}
}
if (this.discussionId && !this.discussion.isResolved()) {
// If this is the last unresolved discussion on the diffs tab,
// there are no discussions to jump to.
if (unresolvedDiscussionCount === 1) {
hasDiscussionsToJumpTo = false;
}
} else {
// If there are no unresolved discussions on the diffs tab at all,
// there are no discussions to jump to.
if (unresolvedDiscussionCount === 0) {
hasDiscussionsToJumpTo = false;
}
}
} else if (activeTab !== 'notes') {
// If we are on the commits or builds tabs,
// there are no discussions to jump to.
hasDiscussionsToJumpTo = false;
}
if (!hasDiscussionsToJumpTo) {
// If there are no discussions to jump to on the current page,
// switch to the notes tab and jump to the first disucssion there.
window.mrTabs.activateTab('notes');
activeTab = 'notes';
jumpToFirstDiscussion = true;
}
if (activeTab === 'notes') {
discussionsSelector = '.discussion[data-discussion-id]';
discussionIdsInScope = discussionIdsForElements($(discussionsSelector));
}
let currentDiscussionFound = false;
for (let i = 0; i < discussionIdsInScope.length; i += 1) {
const discussionId = discussionIdsInScope[i];
const discussion = discussions[discussionId];
if (!discussion) {
// Discussions for comments on commits in this MR don't have a resolved status.
continue;
}
if (!firstUnresolvedDiscussionId && !discussion.isResolved()) {
firstUnresolvedDiscussionId = discussionId;
if (jumpToFirstDiscussion) {
break;
}
}
if (!jumpToFirstDiscussion) {
if (currentDiscussionFound) {
if (!discussion.isResolved()) {
nextUnresolvedDiscussionId = discussionId;
break;
}
else {
continue;
}
}
if (discussionId === this.discussionId) {
currentDiscussionFound = true;
}
}
}
nextUnresolvedDiscussionId = nextUnresolvedDiscussionId || firstUnresolvedDiscussionId;
if (!nextUnresolvedDiscussionId) {
return;
}
let $target = $(`${discussionsSelector}[data-discussion-id="${nextUnresolvedDiscussionId}"]`);
if (activeTab === 'notes') {
$target = $target.closest('.note-discussion');
// If the next discussion is closed, toggle it open.
if ($target.find('.js-toggle-content').is(':hidden')) {
$target.find('.js-toggle-button i').trigger('click');
}
} else if (activeTab === 'diffs') {
// Resolved discussions are hidden in the diffs tab by default.
// If they are marked unresolved on the notes tab, they will still be hidden on the diffs tab.
// When jumping between unresolved discussions on the diffs tab, we show them.
$target.closest(".content").show();
$target = $target.closest("tr.notes_holder");
$target.show();
// If we are on the diffs tab, we don't scroll to the discussion itself, but to
// 4 diff lines above it: the line the discussion was in response to + 3 context
let prevEl;
for (let i = 0; i < 4; i += 1) {
prevEl = $target.prev();
// If the discussion doesn't have 4 lines above it, we'll have to do with fewer.
if (!prevEl.hasClass("line_holder")) {
break;
}
$target = prevEl;
}
}
$.scrollTo($target, {
offset: 0
});
}
},
created() {
this.discussion = this.discussions[this.discussionId];
},
});
Vue.component('jump-to-discussion', JumpToDiscussion);
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