send/app/ui/download.js

130 lines
3.7 KiB
JavaScript

/* global downloadMetadata */
const html = require('choo/html');
const assets = require('../../common/assets');
const archiveTile = require('./archiveTile');
const modal = require('./modal');
const noStreams = require('./noStreams');
const notFound = require('./notFound');
const downloadPassword = require('./downloadPassword');
const downloadCompleted = require('./downloadCompleted');
const BIG_SIZE = 1024 * 1024 * 256;
function createFileInfo(state) {
return {
id: state.params.id,
secretKey: state.params.key,
nonce: downloadMetadata.nonce,
requiresPassword: downloadMetadata.pwd
};
}
function downloading(state, emit) {
return html`
<div
class="flex flex-col w-full h-full items-center md:justify-center md:-mt-8"
>
<h1 class="text-3xl font-bold mb-4">
${state.translate('downloadingTitle')}
</h1>
${archiveTile.downloading(state, emit)}
</div>
`;
}
function preview(state, emit) {
if (state.fileInfo.flagged) {
return html`
<div
class="flex flex-col w-full max-w-md h-full mx-auto items-center justify-center"
>
<h1 class="text-xl font-bold">${state.translate('downloadFlagged')}</h1>
</div>
`;
}
if (!state.capabilities.streamDownload && state.fileInfo.size > BIG_SIZE) {
return noStreams(state, emit);
}
return html`
<div class="w-full md:flex md:flex-row items-stretch md:flex-1">
<div
class="px-2 w-full md:px-0 flex-half md:flex md:flex-col mt-12 md:pr-8 pb-4"
>
<h1 class="text-3xl font-bold mb-4 text-center md:text-left">
${state.translate('downloadTitle')}
</h1>
<p
class="text-grey-80 leading-normal dark:text-grey-40 mb-4 text-center md:text-left"
>
${state.translate('downloadDescription')}
</p>
<p
class="text-grey-80 leading-normal dark:text-grey-40 font-semibold text-center md:mb-8 md:text-left"
>
${state.translate('downloadConfirmDescription')}
</p>
<img
class="hidden md:block dl-bg w-full"
src="${assets.get('intro.svg')}"
/>
</div>
<div
class="w-full flex-half flex-half md:flex md:flex-col md:justify-center"
>
${archiveTile.preview(state, emit)}
<a href="/report" class="link-blue mt-4 text-center block"
>${state.translate('reportFile', {
count: state.fileInfo.manifest.files.length
})}</a
>
</div>
</div>
`;
}
module.exports = function(state, emit) {
let content = '';
if (!state.fileInfo) {
state.fileInfo = createFileInfo(state);
if (downloadMetadata.status === 404) {
return notFound(state);
}
if (!state.fileInfo.nonce) {
// coming from something like the browser back button
return location.reload();
}
}
if (state.fileInfo.dead) {
return notFound(state);
}
if (!state.transfer && !state.fileInfo.requiresPassword) {
emit('getMetadata');
}
if (state.transfer) {
switch (state.transfer.state) {
case 'downloading':
case 'decrypting':
content = downloading(state, emit);
break;
case 'complete':
content = downloadCompleted(state);
break;
default:
content = preview(state, emit);
}
} else if (state.fileInfo.requiresPassword && !state.fileInfo.password) {
content = downloadPassword(state, emit);
}
return html`
<main class="main">
${state.modal && modal(state, emit)}
<section
class="relative overflow-hidden h-full w-full p-6 md:p-8 md:rounded-xl md:shadow-big md:flex md:flex-col"
>
${content}
</section>
</main>
`;
};