salix/back/methods/image/upload.js

68 lines
2.2 KiB
JavaScript

const UserError = require('vn-loopback/util/user-error');
const fs = require('fs-extra');
const path = require('path');
const uuid = require('uuid');
module.exports = Self => {
Self.remoteMethodCtx('upload', {
description: 'Uploads a file and inserts into dms model',
accessType: 'WRITE',
accepts: [
{
arg: 'id',
type: 'Number',
description: 'The entity id',
required: true
},
{
arg: 'collection',
type: 'string',
description: 'The collection name',
required: true
}],
returns: {
type: 'Object',
root: true
},
http: {
path: `/upload`,
verb: 'POST'
}
});
Self.upload = async ctx => {
const models = Self.app.models;
const TempContainer = models.TempContainer;
const fileOptions = {};
const args = ctx.args;
let srcFile;
try {
const hasWriteRole = await models.ImageCollection.hasWriteRole(ctx, args.collection);
if (!hasWriteRole)
throw new UserError(`You don't have enough privileges`);
if (process.env.NODE_ENV == 'test')
throw new UserError(`Action not allowed on the test environment`);
// Upload file to temporary path
const tempContainer = await TempContainer.container(args.collection);
const uploaded = await TempContainer.upload(tempContainer.name, ctx.req, ctx.result, fileOptions);
const [uploadedFile] = Object.values(uploaded.files).map(file => {
return file[0];
});
const file = await TempContainer.getFile(tempContainer.name, uploadedFile.name);
srcFile = path.join(file.client.root, file.container, file.name);
const fileName = `${uuid.v4()}.png`;
await models.Image.registerImage(args.collection, srcFile, fileName, args.id);
} catch (e) {
if (fs.existsSync(srcFile))
await fs.unlink(srcFile);
throw e;
}
};
};