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<template>
<div>
<courseware-companion-box v-show="!importRunning && importDone && importErrors.length === 0" :msgCompanion="$gettext('Import erfolgreich!')" mood="special"/>
<courseware-companion-box v-show="!importRunning && importDone && importErrors.length > 0" :msgCompanion="$gettext('Import abgeschlossen. Es sind Fehler aufgetreten!')" mood="unsure"/>
<courseware-companion-box v-show="!importRunning && !importDone && importErrors.length > 0" :msgCompanion="$gettext('Import fehlgeschlagen. Es sind Fehler aufgetreten!')" mood="sad"/>
<courseware-companion-box v-show="importRunning" :msgCompanion="$gettext('Import läuft. Bitte verlassen Sie die Seite nicht bis der Import abgeschlossen wurde.')" mood="pointing"/>
<form class="default" @submit.prevent="">
<fieldset v-show="importRunning">
<legend><translate>Import läuft...</translate></legend>
<div v-if="importRunning" class="cw-import-zip">
<header><translate>Importiere Dateien</translate>:</header>
<div class="progress-bar-wrapper">
<div class="progress-bar" role="progressbar" :style="{width: importFilesProgress + '%'}" :aria-valuenow="importFilesProgress" aria-valuemin="0" aria-valuemax="100">{{ importFilesProgress }}%</div>
</div>
{{ importFilesState }}
</div>
<div v-if="fileImportDone && importRunning" class="cw-import-zip">
<header><translate>Importiere Elemente</translate>:</header>
<div class="progress-bar-wrapper">
<div class="progress-bar" role="progressbar" :style="{width: importStructuresProgress + '%'}" :aria-valuenow="importStructuresProgress" aria-valuemin="0" aria-valuemax="100">{{ importStructuresProgress }}%</div>
</div>
{{ importStructuresState }}
</div>
</fieldset>
<fieldset v-show="importErrors.length > 0">
<legend><translate>Fehlermeldungen</translate></legend>
<ul>
<li v-for="(error, index) in importErrors" :key="index"> {{error}} </li>
</ul>
</fieldset>
<fieldset v-show="!importRunning">
<legend><translate>Import</translate></legend>
<label>
<translate>Importdatei</translate>
<input class="cw-file-input" ref="importFile" type="file" accept=".zip" @change="setImport" />
</label>
<label>
<translate>Importverhalten</translate>
<select v-model="importBehavior">
<option value="default"><translate>Inhalte anhängen</translate></option>
<option value="migrate"><translate>Inhalte zusammenführen</translate></option>
</select>
</label>
</fieldset>
<footer v-show="!importRunning">
<button
class="button"
@click.prevent="doImportCourseware"
:disabled="!importZip"
>
<translate>Importieren</translate>
</button>
</footer>
</form>
</div>
</template>
<script>
import CoursewareCompanionBox from './CoursewareCompanionBox.vue';
import CoursewareImport from '@/vue/mixins/courseware/import.js';
import { mapActions, mapGetters } from 'vuex';
import JSZip from 'jszip';
export default {
name: 'courseware-manager-import',
components: {
CoursewareCompanionBox,
},
mixins: [CoursewareImport],
data() {
return {
importBehavior: 'default',
importRunning: false,
importZip: null,
zip: null
}
},
computed: {
...mapGetters({
courseware: 'courseware',
importFilesState: 'importFilesState',
importFilesProgress: 'importFilesProgress',
importStructuresState: 'importStructuresState',
importStructuresProgress: 'importStructuresProgress',
importErrors: 'importErrors',
}),
fileImportDone() {
return this.importFilesProgress === 100;
},
importDone() {
return this.importFilesProgress === 100 && this.importStructuresProgress === 100;
}
},
methods: {
...mapActions({
loadCoursewareStructure: 'courseware-structure/load',
setImportFilesProgress: 'setImportFilesProgress',
setImportStructuresProgress: 'setImportStructuresProgress',
setImportErrors: 'setImportErrors',
}),
setImport(event) {
this.importZip = event.target.files[0];
this.setImportFilesProgress(0);
this.setImportStructuresProgress(0);
this.setImportErrors([]);
},
async doImportCourseware() {
if (this.importZip === null) {
return false;
}
this.importRunning = true;
let view = this;
view.zip = new JSZip();
await view.zip.loadAsync(this.importZip).then(async function () {
let errors = [];
let missingFiles = false;
if (view.zip.file('courseware.json') === null) {
errors.push(view.$gettext('Das Archiv enthält keine courseware.json Datei.'));
missingFiles = true;
}
if (view.zip.file('files.json') === null) {
errors.push(view.$gettext('Das Archiv enthält keine files.json Datei.'));
missingFiles = true;
}
if (view.zip.file('data.xml') !== null) {
errors.push(view.$gettext(
'Das Archiv enthält eine data.xml Datei. Möglicherweise handelt es sich um einen Export aus dem Courseware-Plugin. Diese Archive sind nicht kompatibel mit dieser Courseware.'
));
}
if (missingFiles) {
view.setImportErrors(errors);
return;
}
let data = await view.zip.file('courseware.json').async('string');
let courseware = null;
let data_files = await view.zip.file('files.json').async('string');
let files = null;
let jsonErrors = false;
try {
courseware = JSON.parse(data);
} catch (error) {
jsonErrors = true;
errors.push(view.$gettext('Die Beschreibung der Courseware-Inhalte ist nicht valide.'));
errors.push(error);
}
try {
files = JSON.parse(data_files);
} catch (error) {
jsonErrors = true;
errors.push(view.$gettext('Die Beschreibung der Dateien ist nicht valide.'));
errors.push(error);
}
if (jsonErrors) {
view.setImportErrors(errors);
return;
}
this.sortChildren(courseware.children);
await view.loadCoursewareStructure();
const rootId = view.courseware.relationships.root.data.id;
await view.importCourseware(courseware, rootId, files, view.importBehavior);
});
this.importZip = null;
this.importRunning = false;
this.$refs.importFile.value = '';
},
getFileSizeText(size) {
if (size / 1024 < 1000) {
return (size / 1024).toFixed(2) + ' kB';
} else {
return (size / 1048576).toFixed(2) + ' MB';
}
},
sortChildren(children) {
children?.sort((a, b) => {
return a.attributes.position - b.attributes.position;
});
children?.forEach(child => {
this.sortChildren(child.children);
});
}
},
mounted() {
let view = this;
window.onbeforeunload = function() {
return view.importRunning ? true : null
}
}
}
</script>
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