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<!--
- @copyright 2022 Carl Schwan <carl@carlschwan.eu>
- @license AGPL-3.0-or-later
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<template>
<div>
<ul>
<NcListItem v-for="version in versions"
:key="version.mtime"
class="version"
:title="version.title"
:href="version.url">
<template #icon>
<img lazy="true"
:src="version.preview"
alt=""
height="256"
width="256"
class="version__image">
</template>
<template #subtitle>
<div class="version__info">
<span>{{ version.mtime | humanDateFromNow }}</span>
<!-- Separate dot to improve alignement -->
<span class="version__info__size">•</span>
<span class="version__info__size">{{ version.size | humanReadableSize }}</span>
</div>
</template>
<template v-if="!version.isCurrent" #actions>
<NcActionLink :href="version.url"
:download="version.url">
<template #icon>
<Download :size="22" />
</template>
{{ t('files_versions', 'Download version') }}
</NcActionLink>
<NcActionButton @click="restoreVersion(version)">
<template #icon>
<BackupRestore :size="22" />
</template>
{{ t('files_versions', 'Restore version') }}
</NcActionButton>
</template>
</NcListItem>
<NcEmptyContent v-if="!loading && versions.length === 1"
:title="t('files_version', 'No versions yet')">
<!-- length === 1, since we don't want to show versions if there is only the current file -->
<template #icon>
<BackupRestore />
</template>
</NcEmptyContent>
</ul>
</div>
</template>
<script>
import BackupRestore from 'vue-material-design-icons/BackupRestore.vue'
import Download from 'vue-material-design-icons/Download.vue'
import NcActionButton from '@nextcloud/vue/dist/Components/NcActionButton.js'
import NcActionLink from '@nextcloud/vue/dist/Components/NcActionLink.js'
import NcListItem from '@nextcloud/vue/dist/Components/NcListItem.js'
import NcEmptyContent from '@nextcloud/vue/dist/Components/NcEmptyContent.js'
import { showError, showSuccess } from '@nextcloud/dialogs'
import { fetchVersions, restoreVersion } from '../utils/versions.js'
import moment from '@nextcloud/moment'
export default {
name: 'VersionTab',
components: {
NcEmptyContent,
NcActionLink,
NcActionButton,
NcListItem,
BackupRestore,
Download,
},
filters: {
humanReadableSize(bytes) {
return OC.Util.humanFileSize(bytes)
},
humanDateFromNow(timestamp) {
return moment(timestamp * 1000).fromNow()
},
},
data() {
return {
fileInfo: null,
/** @type {import('../utils/versions.js').Version[]} */
versions: [],
loading: false,
}
},
methods: {
/**
* Update current fileInfo and fetch new data
*
* @param {object} fileInfo the current file FileInfo
*/
async update(fileInfo) {
this.fileInfo = fileInfo
this.resetState()
this.fetchVersions()
},
/**
* Get the existing versions infos
*/
async fetchVersions() {
try {
this.loading = true
this.versions = await fetchVersions(this.fileInfo)
} finally {
this.loading = false
}
},
/**
* Restore the given version
*
* @param version
*/
async restoreVersion(version) {
try {
await restoreVersion(version, this.fileInfo)
// File info is not updated so we manually update its size and mtime if the restoration went fine.
this.fileInfo.size = version.size
this.fileInfo.mtime = version.lastmod
showSuccess(t('files_versions', 'Version restored'))
await this.fetchVersions()
} catch (exception) {
showError(t('files_versions', 'Could not restore version'))
}
},
/**
* Reset the current view to its default state
*/
resetState() {
this.versions = []
},
},
}
</script>
<style scopped lang="scss">
.version {
display: flex;
flex-direction: row;
&__info {
display: flex;
flex-direction: row;
align-items: center;
gap: 0.5rem;
&__size {
color: var(--color-text-lighter);
}
}
&__image {
width: 3rem;
height: 3rem;
border: 1px solid var(--color-border);
margin-right: 1rem;
border-radius: var(--border-radius-large);
}
}
</style>
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