77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
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const UserError = require('vn-loopback/util/user-error');
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const fs = require('fs-extra');
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module.exports = Self => {
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Self.remoteMethodCtx('download', {
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description: 'Download a document',
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accessType: 'READ',
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accepts: [
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{
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arg: 'id',
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type: 'String',
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description: 'The document id',
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http: {source: 'path'}
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}
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],
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returns: [
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{
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arg: 'body',
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type: 'file',
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root: true
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}, {
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arg: 'Content-Type',
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type: 'String',
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http: {target: 'header'}
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}, {
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arg: 'Content-Disposition',
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type: 'String',
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http: {target: 'header'}
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}
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],
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http: {
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path: `/:id/download`,
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verb: 'GET'
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}
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});
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Self.download = async function(ctx, id) {
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const userId = ctx.req.accessToken.userId;
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const env = process.env.NODE_ENV;
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const document = await Self.findById(id, {
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include: {
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relation: 'dmsType',
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scope: {
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fields: ['path', 'readRoleFk'],
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include: {
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relation: 'readRole'
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}
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}
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}
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});
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const readRole = document.dmsType().readRole().name;
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const hasRequiredRole = await Self.app.models.Account.hasRole(userId, readRole);
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if (!hasRequiredRole)
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throw new UserError(`You don't have enough privileges`);
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if (env && env != 'development') {
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const path = `/${document.companyFk}/${document.dmsType().path}/${document.file}`;
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file = {
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path: `/var/lib/salix/dms/${path}`,
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contentType: 'application/octet-stream',
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name: document.file
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};
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} else {
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file = {
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path: `${process.cwd()}/README.md`,
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contentType: 'text/plain',
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name: `README.md`
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};
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}
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await fs.access(file.path);
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let stream = fs.createReadStream(file.path);
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return [stream, file.contentType, `filename="${file.name}"`];
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};
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};
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