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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>
<ul data-files-versions-versions-list>
<Version v-for="version in orderedVersions"
:key="version.mtime"
:version="version"
:file-info="fileInfo"
:is-current="version.mtime === fileInfo.mtime"
:is-first-version="version.mtime === initialVersionMtime"
@restore="handleRestore"
@label-update="handleLabelUpdate"
@delete="handleDelete" />
</ul>
</template>
<script>
import { showError, showSuccess } from '@nextcloud/dialogs'
import { fetchVersions, deleteVersion, restoreVersion, setVersionLabel } from '../utils/versions.js'
import Version from '../components/Version.vue'
export default {
name: 'VersionTab',
components: {
Version,
},
data() {
return {
fileInfo: null,
/** @type {import('../utils/versions.js').Version[]} */
versions: [],
loading: false,
}
},
computed: {
/**
* Order versions by mtime.
* Put the current version at the top.
*
* @return {import('../utils/versions.js').Version[]}
*/
orderedVersions() {
return [...this.versions].sort((a, b) => {
if (a.mtime === this.fileInfo.mtime) {
return -1
} else if (b.mtime === this.fileInfo.mtime) {
return 1
} else {
return b.mtime - a.mtime
}
})
},
/**
* Return the mtime of the first version to display "Initial version" label
* @return {number}
*/
initialVersionMtime() {
return this.versions
.map(version => version.mtime)
.reduce((a, b) => Math.min(a, b))
},
},
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
}
},
/**
* Handle restored event from Version.vue
*
* @param {import('../utils/versions.js').Version} version
*/
async handleRestore(version) {
// Update local copy of fileInfo as rendering depends on it.
const oldFileInfo = this.fileInfo
this.fileInfo = {
...this.fileInfo,
size: version.size,
mtime: version.mtime,
}
try {
await restoreVersion(version)
if (version.label !== '') {
showSuccess(t('files_versions', `${version.label} restored`))
} else if (version.mtime === this.initialVersionMtime) {
showSuccess(t('files_versions', 'Initial version restored'))
} else {
showSuccess(t('files_versions', 'Version restored'))
}
await this.fetchVersions()
} catch (exception) {
this.fileInfo = oldFileInfo
showError(t('files_versions', 'Could not restore version'))
}
},
/**
* Handle label-updated event from Version.vue
*
* @param {import('../utils/versions.js').Version} version
* @param {string} newName
*/
async handleLabelUpdate(version, newName) {
const oldLabel = version.label
version.label = newName
try {
await setVersionLabel(version, newName)
} catch (exception) {
version.label = oldLabel
showError(t('files_versions', 'Could not set version name'))
}
},
/**
* Handle deleted event from Version.vue
*
* @param {import('../utils/versions.js').Version} version
* @param {string} newName
*/
async handleDelete(version) {
const index = this.versions.indexOf(version)
this.versions.splice(index, 1)
try {
await deleteVersion(version)
} catch (exception) {
this.versions.push(version)
showError(t('files_versions', 'Could not delete version'))
}
},
/**
* Reset the current view to its default state
*/
resetState() {
this.$set(this, 'versions', [])
},
},
}
</script>
|
