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<template>
<div class="cw-file-chooser">
<span>{{ $gettext('Ordner-Filter') }}</span>
<courseware-folder-chooser allowUserFolders unchoose v-model="selectedFolderId" />
<span>{{ $gettext('Datei') }}</span>
<select v-model="currentValue" @change="selectFile">
<option v-show="canBeEmpty" value="">
{{ $gettext('Keine Auswahl') }}
</option>
<option v-for="(file, index) in files" :key="index" :value="file.id">
{{ file.name }}
</option>
<option v-show="files.length === 0" disabled>
{{ $gettext('Keine Dateien vorhanden') }}
</option>
</select>
</div>
</template>
<script>
import CoursewareFolderChooser from './CoursewareFolderChooser.vue';
import { mapActions, mapGetters } from 'vuex';
export default {
name: 'courseware-file-chooser',
components: { CoursewareFolderChooser },
emits: ['selectFile'],
props: {
value: String,
mimeType: { type: String, default: '' },
isImage: { type: Boolean, default: false },
isVideo: { type: Boolean, default: false },
isAudio: { type: Boolean, default: false },
isDocument: { type: Boolean, default: false },
canBeEmpty: { type: Boolean, default: false },
},
data() {
return {
currentValue: '',
selectedFolderId: '',
files: [],
};
},
computed: {
...mapGetters({
fileRefById: 'file-refs/byId',
relatedFileRefs: 'file-refs/related',
urlHelper: 'urlHelper',
userId: 'userId',
relatedTermOfUse: 'terms-of-use/related'
}),
},
methods: {
...mapActions({
loadFileRef: 'file-refs/loadById',
loadRelatedFileRefs: 'file-refs/loadRelated',
}),
selectFile() {
this.$emit(
'selectFile',
this.files.find((file) => file.id === this.currentValue)
);
},
filterFiles(loadArray) {
const filterFile = (file) => {
let fileTermsOfUse = this.relatedTermOfUse({parent: file, relationship: 'terms-of-use'});
if (fileTermsOfUse !== null && fileTermsOfUse.attributes['download-condition'] !== 0) {
return false;
}
if (this.mimeType !== '' && this.mimeType !== file.attributes['mime-type']) {
return false;
}
if (this.isImage && !file.attributes['mime-type'].includes('image')) {
return false;
}
const videoConditions = ['video/mp4', 'video/ogg', 'video/webm'];
if (this.isVideo && !videoConditions.some(condition => file.attributes['mime-type'].includes(condition))) {
return false;
}
const audioConditions = ['audio/wav', 'audio/ogg', 'audio/webm','audio/flac', 'audio/mpeg', 'audio/x-m4a', 'audio/mp4'];
if (this.isAudio && !audioConditions.some(condition => file.attributes['mime-type'].includes(condition)) ) {
return false;
}
const officeConditions = ['application/pdf']; //TODO enable more mime types
if (this.isDocument && !officeConditions.some(condition => file.attributes['mime-type'].includes(condition)) ) {
return false;
}
return true;
};
return loadArray.filter(filterFile).map((file) => ({
id: file.id,
name: file.attributes.name,
mime_type: file.attributes['mime-type'],
download_url: this.urlHelper.getURL(
'sendfile.php',
{ type: 0, file_id: file.id, file_name: file.attributes.name },
true
),
}));
},
async getFolderFiles() {
const parent = { type: 'folders', id: `${this.selectedFolderId}` };
const relationship = 'file-refs';
const options = { include: 'terms-of-use', 'page[limit]': 10000 };
await this.loadRelatedFileRefs({ parent, relationship, options });
const files = this.relatedFileRefs({ parent, relationship });
this.files = this.filterFiles(files);
},
},
async mounted() {
if (this.value.trim().length > 0) {
await this.loadFileRef({ id: this.value });
const fileRef = this.fileRefById({ id: this.value });
if (fileRef) {
this.selectedFolderId = fileRef.relationships.parent.data.id;
this.currentValue = this.value;
}
}
},
watch: {
selectedFolderId() {
if (this.selectedFolderId !== '') {
this.getFolderFiles();
}
},
value(newValue) {
if (newValue === '') {
this.selectedFolderId = '';
this.currentValue = '';
}
},
},
};
</script>
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