v1

app.js

@@ -6,6 +6,7 @@ const port = 3000;
 
 const nodeSlicer = require("./slicers/slic3r/slic3r");
 const prusaSlicer = require("./slicers/prusaslicer/prusaslicer");
+const curaEngine = require("./slicers/curaengine/curaengine");
 const converter = require("./utils/converter");
 const database = require("./utils/database");
 
@@ -59,6 +60,8 @@ app.post("/upload/:slicerType", function (req, res) {
         slicerToUse = nodeSlicer;
       } else if (req.params.slicerType === "prusaslicer") {
         slicerToUse = prusaSlicer;
+      } else if (req.params.slicerType === "curaengine") {
+        slicerToUse = curaEngine;
       } else {
         return res.status(500).send("Wrong parameter");
       }

package.json

@@ -13,6 +13,7 @@
     "clone": "^0.2.0",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
+    "dockerode": "^3.2.1",
     "events": "^3.2.0",
     "express": "^4.17.1",
     "express-fileupload": "^1.1.7-alpha.4",

slicers/curaengine/curaengine.js

@@ -0,0 +1,23 @@
+var fs = require('fs');
+var Docker = require('dockerode');
+var docker = new Docker(); //defaults to above if env variables are not used
+
+var nodeCuraEngine = {};
+
+nodeCuraEngine.render = function (options, callback) {
+
+	if (options.verbose)
+		console.log(options)
+
+	docker.pull('dimfacion/curaengine:latest', function (err, stream) {
+		docker.run('dimfacion/curaengine:latest', ['slice', '-j', '/usr/definitions/creality_ender3.def.json', '-l', options.inputFile, '-o', options.outputFile], process.stdout, {"Binds": [ "/tmp:/tmp:rw" ]}, function (err, data, container) {
+			if (err){
+				return callback({ message: err })
+			}
+
+			callback()
+		});
+	});
+}
+
+module.exports = nodeCuraEngine;

slicers/prusaslicer/prusaslicer.js

@@ -1,60 +1,23 @@
-var fs = require('fs'),
-	childProcess = require('child_process'),
+var fs = require('fs');
+var Docker = require('dockerode');
+var docker = new Docker(); //defaults to above if env variables are not used
 
-	nodePrusaSlicer = {}
-
-function getShellCommand (o) {
-
-	var shellCommand
-
-	shellCommand = [
-		'slic3r-prusa3d',
-		'--output ' + o.outputFile,
-
-		// Output options
-		o.outputFilenameFormat ?
-		'--output-filename-format ' + o.outputFilenameFormat : '',
-
-		// Transform options
-		o.scale ? '--scale ' + o.scale : '',
-		o.rotate ? '--rotate ' + o.rotate : '',
-		o.duplicate ? '--duplicate ' + o.duplicate : '',
-		o.duplicateGrid ? '--duplicate-grid ' + o.duplicateGrid : '',
-		o.duplicateDistance ? '--duplicate-distance ' + o.duplicateDistance : '',
-
-        //Input options
-		o.inputFile ? o.inputFile : '',
-
-        //Load config file
-		o.configFile ? '--load ' + o.configFile : ''
-	]
-
-	return shellCommand.join(' ')
-}
+nodePrusaSlicer = {}
 
 nodePrusaSlicer.render = function (options, callback) {
 
-	var shellCommand
-
-	shellCommand = getShellCommand(options)
-
 	if (options.verbose)
-		console.log(shellCommand)
-
-	childProcess.exec(
-		shellCommand,
-		function (error, stdout, stderr) {
+		console.log(options)
 
-			if (stderr){
-				return callback({ message: stderr })
+	docker.pull('dimfacion/prusaslicer', function (err, stream) {
+		docker.run('dimfacion/prusaslicer', ['-g', options.inputFile], process.stdout, {"Binds": [ "/tmp:/tmp:rw" ]}, function (err, data, container) {
+			if (err){
+				return callback({ message: err })
 			}
-
-			if (error)
-				return callback(error)
 
 			callback()
-		}
-	)
+		});
+	});
 }
 
 module.exports = nodePrusaSlicer;

slicers/slic3r/slic3r.js

@@ -1,60 +1,23 @@
-var fs = require('fs'),
-	childProcess = require('child_process'),
-
-	nodeSlicer = {}
+var fs = require('fs');
+var Docker = require('dockerode');
+var docker = new Docker(); //defaults to above if env variables are not used
 
-function getShellCommand (o) {
-
-	var shellCommand
-
-	shellCommand = [
-		'slic3r',
-		'--output ' + o.outputFile,
-
-		// Output options
-		o.outputFilenameFormat ?
-		'--output-filename-format ' + o.outputFilenameFormat : '',
-
-		// Transform options
-		o.scale ? '--scale ' + o.scale : '',
-		o.rotate ? '--rotate ' + o.rotate : '',
-		o.duplicate ? '--duplicate ' + o.duplicate : '',
-		o.duplicateGrid ? '--duplicate-grid ' + o.duplicateGrid : '',
-		o.duplicateDistance ? '--duplicate-distance ' + o.duplicateDistance : '',
-
-        //Input options
-		o.inputFile ? o.inputFile : '',
-
-        //Load config file
-		o.configFile ? '--load ' + o.configFile : ''
-	]
-
-	return shellCommand.join(' ')
-}
+var nodeSlicer = {};
 
 nodeSlicer.render = function (options, callback) {
 
-	var shellCommand
-
-	shellCommand = getShellCommand(options)
-
 	if (options.verbose)
-		console.log(shellCommand)
+		console.log(options)
 
-	childProcess.exec(
-		shellCommand,
-		function (error, stdout, stderr) {
-
-			if (stderr){
-				return callback({ message: stderr })
+	docker.pull('dimfacion/slic3r', function (err, stream) {
+		docker.run('dimfacion/slic3r', ['--no-gui', options.inputFile], process.stdout, {"Binds": [ "/tmp:/tmp:rw" ]}, function (err, data, container) {
+			if (err){
+				return callback({ message: err })
 			}
-
-			if (error)
-				return callback(error)
 
 			callback()
-		}
-	)
+		});
+	});
 }
 
 module.exports = nodeSlicer;