send/app/archive.js
2018-08-03 16:11:13 -07:00

55 lines
1.1 KiB
JavaScript

/* global MAXFILESIZE */
import { blobStream, concatStream } from './streams';
export default class Archive {
constructor(files) {
this.files = Array.from(files);
}
get name() {
return this.files.length > 1 ? 'Send-Archive.zip' : this.files[0].name;
}
get type() {
return this.files.length > 1 ? 'send-archive' : this.files[0].type;
}
get size() {
return this.files.reduce((total, file) => total + file.size, 0);
}
get numFiles() {
return this.files.length;
}
get manifest() {
return {
files: this.files.map(file => ({
name: file.name,
size: file.size,
type: file.type
}))
};
}
get stream() {
return concatStream(this.files.map(file => blobStream(file)));
}
addFiles(files) {
const newSize = files.reduce((total, file) => total + file.size, 0);
if (this.size + newSize > MAXFILESIZE) {
return false;
}
this.files = this.files.concat(files);
return true;
}
checkSize() {
return this.size <= MAXFILESIZE;
}
remove(index) {
this.files.splice(index, 1);
}
}