gitlab-org--gitlab-foss/app/assets/javascripts/diffs/components/app.vue

552 lines
16 KiB
Vue

<script>
import { mapState, mapGetters, mapActions } from 'vuex';
import { GlLoadingIcon, GlPagination, GlSprintf } from '@gitlab/ui';
import { GlBreakpointInstance as bp } from '@gitlab/ui/dist/utils';
import Mousetrap from 'mousetrap';
import { __ } from '~/locale';
import { getParameterByName, parseBoolean } from '~/lib/utils/common_utils';
import { deprecatedCreateFlash as createFlash } from '~/flash';
import PanelResizer from '~/vue_shared/components/panel_resizer.vue';
import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
import { isSingleViewStyle } from '~/helpers/diffs_helper';
import { updateHistory } from '~/lib/utils/url_utility';
import notesEventHub from '../../notes/event_hub';
import eventHub from '../event_hub';
import CompareVersions from './compare_versions.vue';
import DiffFile from './diff_file.vue';
import NoChanges from './no_changes.vue';
import CommitWidget from './commit_widget.vue';
import TreeList from './tree_list.vue';
import HiddenFilesWarning from './hidden_files_warning.vue';
import MergeConflictWarning from './merge_conflict_warning.vue';
import CollapsedFilesWarning from './collapsed_files_warning.vue';
import { diffsApp } from '../utils/performance';
import { fileByFile } from '../utils/preferences';
import {
TREE_LIST_WIDTH_STORAGE_KEY,
INITIAL_TREE_WIDTH,
MIN_TREE_WIDTH,
MAX_TREE_WIDTH,
TREE_HIDE_STATS_WIDTH,
MR_TREE_SHOW_KEY,
CENTERED_LIMITED_CONTAINER_CLASSES,
ALERT_OVERFLOW_HIDDEN,
ALERT_MERGE_CONFLICT,
ALERT_COLLAPSED_FILES,
EVT_VIEW_FILE_BY_FILE,
} from '../constants';
export default {
name: 'DiffsApp',
components: {
CompareVersions,
DiffFile,
NoChanges,
HiddenFilesWarning,
MergeConflictWarning,
CollapsedFilesWarning,
CommitWidget,
TreeList,
GlLoadingIcon,
PanelResizer,
GlPagination,
GlSprintf,
},
mixins: [glFeatureFlagsMixin()],
alerts: {
ALERT_OVERFLOW_HIDDEN,
ALERT_MERGE_CONFLICT,
ALERT_COLLAPSED_FILES,
},
props: {
endpoint: {
type: String,
required: true,
},
endpointMetadata: {
type: String,
required: true,
},
endpointBatch: {
type: String,
required: true,
},
endpointCoverage: {
type: String,
required: false,
default: '',
},
projectPath: {
type: String,
required: true,
},
shouldShow: {
type: Boolean,
required: false,
default: false,
},
currentUser: {
type: Object,
required: true,
},
helpPagePath: {
type: String,
required: false,
default: '',
},
changesEmptyStateIllustration: {
type: String,
required: false,
default: '',
},
isFluidLayout: {
type: Boolean,
required: false,
default: false,
},
dismissEndpoint: {
type: String,
required: false,
default: '',
},
showSuggestPopover: {
type: Boolean,
required: false,
default: false,
},
fileByFileUserPreference: {
type: Boolean,
required: false,
default: false,
},
},
data() {
const treeWidth =
parseInt(localStorage.getItem(TREE_LIST_WIDTH_STORAGE_KEY), 10) || INITIAL_TREE_WIDTH;
return {
treeWidth,
diffFilesLength: 0,
};
},
computed: {
...mapState({
isLoading: state => state.diffs.isLoading,
isBatchLoading: state => state.diffs.isBatchLoading,
diffFiles: state => state.diffs.diffFiles,
diffViewType: state => state.diffs.diffViewType,
mergeRequestDiffs: state => state.diffs.mergeRequestDiffs,
mergeRequestDiff: state => state.diffs.mergeRequestDiff,
commit: state => state.diffs.commit,
renderOverflowWarning: state => state.diffs.renderOverflowWarning,
numTotalFiles: state => state.diffs.realSize,
numVisibleFiles: state => state.diffs.size,
plainDiffPath: state => state.diffs.plainDiffPath,
emailPatchPath: state => state.diffs.emailPatchPath,
retrievingBatches: state => state.diffs.retrievingBatches,
}),
...mapState('diffs', [
'showTreeList',
'isLoading',
'startVersion',
'currentDiffFileId',
'isTreeLoaded',
'conflictResolutionPath',
'canMerge',
'hasConflicts',
'viewDiffsFileByFile',
]),
...mapGetters('diffs', ['whichCollapsedTypes', 'isParallelView', 'currentDiffIndex']),
...mapGetters(['isNotesFetched', 'getNoteableData']),
diffs() {
if (!this.viewDiffsFileByFile) {
return this.diffFiles;
}
return this.diffFiles.filter((file, i) => {
return file.file_hash === this.currentDiffFileId || (i === 0 && !this.currentDiffFileId);
});
},
canCurrentUserFork() {
return this.currentUser.can_fork === true && this.currentUser.can_create_merge_request;
},
renderDiffFiles() {
return (
this.diffFiles.length > 0 ||
(this.startVersion &&
this.startVersion.version_index === this.mergeRequestDiff.version_index)
);
},
hideFileStats() {
return this.treeWidth <= TREE_HIDE_STATS_WIDTH;
},
isLimitedContainer() {
return !this.showTreeList && !this.isParallelView && !this.isFluidLayout;
},
isDiffHead() {
return parseBoolean(getParameterByName('diff_head'));
},
showFileByFileNavigation() {
return this.diffFiles.length > 1 && this.viewDiffsFileByFile;
},
currentFileNumber() {
return this.currentDiffIndex + 1;
},
previousFileNumber() {
const { currentDiffIndex } = this;
return currentDiffIndex >= 1 ? currentDiffIndex : null;
},
nextFileNumber() {
const { currentFileNumber, diffFiles } = this;
return currentFileNumber < diffFiles.length ? currentFileNumber + 1 : null;
},
visibleWarning() {
let visible = false;
if (this.renderOverflowWarning) {
visible = this.$options.alerts.ALERT_OVERFLOW_HIDDEN;
} else if (this.isDiffHead && this.hasConflicts) {
visible = this.$options.alerts.ALERT_MERGE_CONFLICT;
} else if (this.whichCollapsedTypes.automatic && !this.viewDiffsFileByFile) {
visible = this.$options.alerts.ALERT_COLLAPSED_FILES;
}
return visible;
},
},
watch: {
commit(newCommit, oldCommit) {
const commitChangedAfterRender = newCommit && !this.isLoading;
const commitIsDifferent = oldCommit && newCommit.id !== oldCommit.id;
const url = window?.location ? String(window.location) : '';
if (commitChangedAfterRender && commitIsDifferent) {
updateHistory({
title: document.title,
url: url.replace(oldCommit.id, newCommit.id),
});
this.refetchDiffData();
this.adjustView();
}
},
diffViewType() {
this.adjustView();
},
shouldShow() {
// When the shouldShow property changed to true, the route is rendered for the first time
// and if we have the isLoading as true this means we didn't fetch the data
if (this.isLoading) {
this.fetchData();
}
this.adjustView();
},
isLoading: 'adjustView',
showTreeList: 'adjustView',
},
mounted() {
this.setBaseConfig({
endpoint: this.endpoint,
endpointMetadata: this.endpointMetadata,
endpointBatch: this.endpointBatch,
endpointCoverage: this.endpointCoverage,
projectPath: this.projectPath,
dismissEndpoint: this.dismissEndpoint,
showSuggestPopover: this.showSuggestPopover,
viewDiffsFileByFile: fileByFile(this.fileByFileUserPreference),
});
if (this.shouldShow) {
this.fetchData();
}
const id = window?.location?.hash;
if (id && id.indexOf('#note') !== 0) {
this.setHighlightedRow(
id
.split('diff-content')
.pop()
.slice(1),
);
}
},
beforeCreate() {
diffsApp.instrument();
},
created() {
this.adjustView();
this.subscribeToEvents();
this.CENTERED_LIMITED_CONTAINER_CLASSES = CENTERED_LIMITED_CONTAINER_CLASSES;
this.unwatchDiscussions = this.$watch(
() => `${this.diffFiles.length}:${this.$store.state.notes.discussions.length}`,
() => this.setDiscussions(),
);
this.unwatchRetrievingBatches = this.$watch(
() => `${this.retrievingBatches}:${this.$store.state.notes.discussions.length}`,
() => {
if (!this.retrievingBatches && this.$store.state.notes.discussions.length) {
this.unwatchDiscussions();
this.unwatchRetrievingBatches();
}
},
);
},
beforeDestroy() {
diffsApp.deinstrument();
this.unsubscribeFromEvents();
this.removeEventListeners();
},
methods: {
...mapActions(['startTaskList']),
...mapActions('diffs', [
'moveToNeighboringCommit',
'setBaseConfig',
'fetchDiffFilesMeta',
'fetchDiffFilesBatch',
'fetchCoverageFiles',
'startRenderDiffsQueue',
'assignDiscussionsToDiff',
'setHighlightedRow',
'cacheTreeListWidth',
'scrollToFile',
'setShowTreeList',
'navigateToDiffFileIndex',
'setFileByFile',
]),
subscribeToEvents() {
notesEventHub.$once('fetchDiffData', this.fetchData);
notesEventHub.$on('refetchDiffData', this.refetchDiffData);
eventHub.$on(EVT_VIEW_FILE_BY_FILE, this.fileByFileListener);
},
unsubscribeFromEvents() {
eventHub.$off(EVT_VIEW_FILE_BY_FILE, this.fileByFileListener);
notesEventHub.$off('refetchDiffData', this.refetchDiffData);
notesEventHub.$off('fetchDiffData', this.fetchData);
},
fileByFileListener({ setting } = {}) {
this.setFileByFile({ fileByFile: setting });
},
navigateToDiffFileNumber(number) {
this.navigateToDiffFileIndex(number - 1);
},
refetchDiffData() {
this.fetchData(false);
},
startDiffRendering() {
requestIdleCallback(
() => {
this.startRenderDiffsQueue();
},
{ timeout: 1000 },
);
},
needsReload() {
return this.diffFiles.length && isSingleViewStyle(this.diffFiles[0]);
},
needsFirstLoad() {
return !this.diffFiles.length;
},
fetchData(toggleTree = true) {
this.fetchDiffFilesMeta()
.then(({ real_size }) => {
this.diffFilesLength = parseInt(real_size, 10);
if (toggleTree) this.setTreeDisplay();
this.startDiffRendering();
})
.catch(() => {
createFlash(__('Something went wrong on our end. Please try again!'));
});
this.fetchDiffFilesBatch()
.then(() => {
if (toggleTree) this.setTreeDisplay();
// Guarantee the discussions are assigned after the batch finishes.
// Just watching the length of the discussions or the diff files
// isn't enough, because with split diff loading, neither will
// change when loading the other half of the diff files.
this.setDiscussions();
})
.then(() => this.startDiffRendering())
.catch(() => {
createFlash(__('Something went wrong on our end. Please try again!'));
});
if (this.endpointCoverage) {
this.fetchCoverageFiles();
}
if (!this.isNotesFetched) {
notesEventHub.$emit('fetchNotesData');
}
},
setDiscussions() {
requestIdleCallback(
() =>
this.assignDiscussionsToDiff()
.then(this.$nextTick)
.then(this.startTaskList),
{ timeout: 1000 },
);
},
adjustView() {
if (this.shouldShow) {
this.$nextTick(() => {
this.setEventListeners();
});
} else {
this.removeEventListeners();
}
},
setEventListeners() {
Mousetrap.bind(['[', 'k', ']', 'j'], (e, combo) => {
switch (combo) {
case '[':
case 'k':
this.jumpToFile(-1);
break;
case ']':
case 'j':
this.jumpToFile(+1);
break;
default:
break;
}
});
if (this.commit && this.glFeatures.mrCommitNeighborNav) {
Mousetrap.bind('c', () => this.moveToNeighboringCommit({ direction: 'next' }));
Mousetrap.bind('x', () => this.moveToNeighboringCommit({ direction: 'previous' }));
}
},
removeEventListeners() {
Mousetrap.unbind(['[', 'k', ']', 'j']);
Mousetrap.unbind('c');
Mousetrap.unbind('x');
},
jumpToFile(step) {
const targetIndex = this.currentDiffIndex + step;
if (targetIndex >= 0 && targetIndex < this.diffFiles.length) {
this.scrollToFile(this.diffFiles[targetIndex].file_path);
}
},
setTreeDisplay() {
const storedTreeShow = localStorage.getItem(MR_TREE_SHOW_KEY);
let showTreeList = true;
if (storedTreeShow !== null) {
showTreeList = parseBoolean(storedTreeShow);
} else if (!bp.isDesktop() || (!this.isBatchLoading && this.diffFiles.length <= 1)) {
showTreeList = false;
}
return this.setShowTreeList({ showTreeList, saving: false });
},
},
minTreeWidth: MIN_TREE_WIDTH,
maxTreeWidth: MAX_TREE_WIDTH,
};
</script>
<template>
<div v-show="shouldShow">
<div v-if="isLoading || !isTreeLoaded" class="loading"><gl-loading-icon size="lg" /></div>
<div v-else id="diffs" :class="{ active: shouldShow }" class="diffs tab-pane">
<compare-versions
:merge-request-diffs="mergeRequestDiffs"
:is-limited-container="isLimitedContainer"
:diff-files-count-text="numTotalFiles"
/>
<hidden-files-warning
v-if="visibleWarning == $options.alerts.ALERT_OVERFLOW_HIDDEN"
:visible="numVisibleFiles"
:total="numTotalFiles"
:plain-diff-path="plainDiffPath"
:email-patch-path="emailPatchPath"
/>
<merge-conflict-warning
v-if="visibleWarning == $options.alerts.ALERT_MERGE_CONFLICT"
:limited="isLimitedContainer"
:resolution-path="conflictResolutionPath"
:mergeable="canMerge"
/>
<collapsed-files-warning
v-if="visibleWarning == $options.alerts.ALERT_COLLAPSED_FILES"
:limited="isLimitedContainer"
/>
<div
:data-can-create-note="getNoteableData.current_user.can_create_note"
class="files d-flex gl-mt-2"
>
<div
v-if="showTreeList"
:style="{ width: `${treeWidth}px` }"
class="diff-tree-list js-diff-tree-list px-3 pr-md-0"
>
<panel-resizer
:size.sync="treeWidth"
:start-size="treeWidth"
:min-size="$options.minTreeWidth"
:max-size="$options.maxTreeWidth"
side="right"
@resize-end="cacheTreeListWidth"
/>
<tree-list :hide-file-stats="hideFileStats" />
</div>
<div
class="col-12 col-md-auto diff-files-holder"
:class="{
[CENTERED_LIMITED_CONTAINER_CLASSES]: isLimitedContainer,
}"
>
<commit-widget v-if="commit" :commit="commit" :collapsible="false" />
<div v-if="isBatchLoading" class="loading"><gl-loading-icon size="lg" /></div>
<template v-else-if="renderDiffFiles">
<diff-file
v-for="(file, index) in diffs"
:key="file.newPath"
:file="file"
:is-first-file="index === 0"
:is-last-file="index === diffs.length - 1"
:help-page-path="helpPagePath"
:can-current-user-fork="canCurrentUserFork"
:view-diffs-file-by-file="viewDiffsFileByFile"
/>
<div
v-if="showFileByFileNavigation"
data-testid="file-by-file-navigation"
class="gl-display-grid gl-text-center"
>
<gl-pagination
class="gl-mx-auto"
:value="currentFileNumber"
:prev-page="previousFileNumber"
:next-page="nextFileNumber"
@input="navigateToDiffFileNumber"
/>
<gl-sprintf :message="__('File %{current} of %{total}')">
<template #current>{{ currentFileNumber }}</template>
<template #total>{{ diffFiles.length }}</template>
</gl-sprintf>
</div>
<gl-loading-icon v-else-if="retrievingBatches" size="lg" />
</template>
<no-changes v-else :changes-empty-state-illustration="changesEmptyStateIllustration" />
</div>
</div>
</div>
</div>
</template>