35d5c02f96
Still clean up of the backend/lamdas, and there's a conda permission issue when deploying the Cadquery image
96 lines
2.6 KiB
JavaScript
96 lines
2.6 KiB
JavaScript
const { runScad, stlExport } = require('./runScad')
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const middy = require('middy')
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const { cors } = require('middy/middlewares')
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const health = async () => {
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console.log('Health endpoint')
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return {
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statusCode: 200,
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body: 'ok',
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}
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}
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// cors true does not seem to work in serverless.yml, perhaps docker lambdas aren't covered by that config
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// special lambda just for responding to options requests
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const preflightOptions = (req, _context, callback) => {
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const response = {
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statusCode: 204,
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headers: {
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Methods': 'POST',
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'Access-Control-Allow-Headers': '*',
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},
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}
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callback(null, response)
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}
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const preview = async (req, _context, callback) => {
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_context.callbackWaitsForEmptyEventLoop = false
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const eventBody = Buffer.from(req.body, 'base64').toString('ascii')
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console.log(eventBody, 'eventBody')
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const { file, settings } = JSON.parse(eventBody)
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const { error, result, tempFile } = await runScad({ file, settings })
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if (error) {
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const response = {
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statusCode: 400,
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body: JSON.stringify({ error, tempFile }),
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}
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callback(null, response)
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} else {
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console.log(`got result in route: ${result}, file is: ${tempFile}`)
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const fs = require('fs')
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const image = fs.readFileSync(`/tmp/${tempFile}/output.png`, {
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encoding: 'base64',
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})
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console.log(image, 'encoded image')
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const response = {
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statusCode: 200,
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body: JSON.stringify({
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imageBase64: image,
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result,
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tempFile,
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}),
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}
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callback(null, response)
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}
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}
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const stl = async (req, _context, callback) => {
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_context.callbackWaitsForEmptyEventLoop = false
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const eventBody = Buffer.from(req.body, 'base64').toString('ascii')
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console.log(eventBody, 'eventBody')
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const { file } = JSON.parse(eventBody)
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const { error, result, tempFile } = await stlExport({ file })
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if (error) {
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const response = {
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statusCode: 400,
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body: { error, tempFile },
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}
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callback(null, response)
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} else {
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console.log(`got result in route: ${result}, file is: ${tempFile}`)
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const fs = require('fs')
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const stl = fs.readFileSync(`/tmp/${tempFile}/output.stl`, {
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encoding: 'base64',
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})
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console.log('encoded stl', stl)
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const response = {
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statusCode: 200,
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headers: {
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'content-type': 'application/stl',
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},
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body: stl,
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isBase64Encoded: true,
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}
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console.log('callback fired')
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callback(null, response)
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}
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}
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module.exports = {
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health: middy(health).use(cors()),
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stl: middy(stl).use(cors()),
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preview: middy(preview).use(cors()),
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preflightOptions,
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}
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