🔨 Add base projet

.gitignore

@@ -1,3 +1,5 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Node template
 # Logs
 logs
 *.log
@@ -41,8 +43,8 @@ build/Release
 node_modules/
 jspm_packages/
 
-# TypeScript v1 declaration files
-typings/
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
 
 # TypeScript cache
 *.tsbuildinfo
@@ -74,9 +76,11 @@ typings/
 
 # parcel-bundler cache (https://parceljs.org/)
 .cache
+.parcel-cache
 
 # Next.js build output
 .next
+out
 
 # Nuxt.js build / generate output
 .nuxt
@@ -84,7 +88,7 @@ dist
 
 # Gatsby files
 .cache/
-# Comment in the public line in if your project uses Gatsby and *not* Next.js
+# Comment in the public line in if your project uses Gatsby and not Next.js
 # https://nextjs.org/blog/next-9-1#public-directory-support
 # public
 
@@ -102,3 +106,87 @@ dist
 
 # TernJS port file
 .tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+

.idea/.gitignore

@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/cnc-speed-calculator.iml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/jsLibraryMappings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptLibraryMappings">
+    <includedPredefinedLibrary name="Node.js Core" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/cnc-speed-calculator.iml" filepath="$PROJECT_DIR$/.idea/cnc-speed-calculator.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/watcherTasks.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectTasksOptions">
+    <TaskOptions isEnabled="true">
+      <option name="arguments" value="$FileName$:$FileNameWithoutExtension$.css" />
+      <option name="checkSyntaxErrors" value="true" />
+      <option name="description" />
+      <option name="exitCodeBehavior" value="ERROR" />
+      <option name="fileExtension" value="scss" />
+      <option name="immediateSync" value="true" />
+      <option name="name" value="SCSS" />
+      <option name="output" value="$FileNameWithoutExtension$.css:$FileNameWithoutExtension$.css.map" />
+      <option name="outputFilters">
+        <array />
+      </option>
+      <option name="outputFromStdout" value="false" />
+      <option name="program" value="sass" />
+      <option name="runOnExternalChanges" value="true" />
+      <option name="scopeName" value="Unnamed" />
+      <option name="trackOnlyRoot" value="true" />
+      <option name="workingDir" value="$FileDir$" />
+      <envs />
+    </TaskOptions>
+  </component>
+</project>

app.js

@@ -0,0 +1,75 @@
+const createError = require('http-errors');
+const express = require('express');
+const path = require('path');
+const cookieParser = require('cookie-parser');
+const logger = require('./config/winston');
+const sassMiddleware = require('node-sass-middleware');
+const expressWinston = require('express-winston');
+const i18n = require('i18n');
+
+const indexRouter = require('./routes/index');
+
+const app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'ejs');
+
+i18n.configure({
+    // setup some locales - other locales default to en silently
+    locales: ['en', 'fr'],
+    // where to store json files - defaults to './locales'
+    directory: __dirname + '/locales'
+});
+
+// Logger
+app.use(expressWinston.logger({
+    winstonInstance: logger,
+    meta: true, // optional: control whether you want to log the meta data about the request (default to true)
+    expressFormat: true, // Use the default Express/morgan request formatting. Enabling this will override any msg if true. Will only output colors with colorize set to true
+    colorize: true, // Color the text and status code, using the Express/morgan color palette (text: gray, status: default green, 3XX cyan, 4XX yellow, 5XX red).
+    level: function (req, res) {
+        if (res.statusCode < 500)
+            return "debug";
+        return "warn";
+
+    }
+}));
+
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(sassMiddleware({
+    src: path.join(__dirname, 'public'),
+    dest: path.join(__dirname, 'public'),
+    indentedSyntax: true, // true = .sass and false = .scss
+    sourceMap: true
+}));
+app.use(express.static(path.join(__dirname, 'public')));
+app.use(i18n.init)
+
+app.use('/', indexRouter);
+
+// Boootstrap JS Files
+app.use('/js/bootstrap.min.js', express.static(path.join(__dirname, '/node_modules/bootstrap/dist/js/bootstrap.min.js')))
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+    next(createError(404));
+});
+
+// error handler
+app.use(function (err, req, res, next) {
+    // set locals, only providing error in development
+    res.locals.message = err.message;
+    res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+    // render the error page
+    res.status(err.status || 500);
+    res.render('error');
+});
+
+
+
+module.exports = app;

bin/www

@@ -0,0 +1,110 @@
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+const app = require('../app');
+const debug = require('debug')('cnc-speed-calculator:server');
+const http = require('http');
+const sequelize = require("../sequelize");
+const init_db = require("../sequelize/init-db")
+const logger = require("../config/winston")
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+const port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+const server = http.createServer(app);
+
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+    let port = parseInt(val, 10);
+
+    if (isNaN(port)) {
+        // named pipe
+        return val;
+    }
+
+    if (port >= 0) {
+        // port number
+        return port;
+    }
+
+    return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+    if (error.syscall !== 'listen') {
+        throw error;
+    }
+
+    let bind = typeof port === 'string'
+        ? 'Pipe ' + port
+        : 'Port ' + port;
+
+    // handle specific listen errors with friendly messages
+    switch (error.code) {
+        case 'EACCES':
+            console.error(bind + ' requires elevated privileges');
+            process.exit(1);
+            break;
+        case 'EADDRINUSE':
+            console.error(bind + ' is already in use');
+            process.exit(1);
+            break;
+        default:
+            throw error;
+    }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+    let addr = server.address();
+    let bind = typeof addr === 'string'
+        ? 'pipe ' + addr
+        : 'port ' + addr.port;
+    logger.info('Listening on ' + bind);
+}
+
+async function init() {
+    console.log(`Checking database connection...`);
+    try {
+        await sequelize.authenticate();
+        logger.info('Database connection OK!');
+        await init_db.check_database()
+
+
+    } catch (error) {
+        logger.error('Unable to connect to the database:');
+        logger.error(error);
+        process.exit(1);
+    }
+    /**
+     * Listen on provided port, on all network interfaces.
+     */
+    server.listen(port);
+    server.on('error', onError);
+    server.on('listening', onListening);
+}
+
+init();
+

config/winston.js

@@ -0,0 +1,27 @@
+const winston = require("winston");
+
+const logger = winston.createLogger({
+    level: process.env.LOG_LEVEL || 'info',
+    format: winston.format.combine(
+        winston.format.timestamp({
+            format: "YYYY-MM-DD HH:mm:ss",
+        }),
+        winston.format.errors({ stack: true }),
+        // winston.format.splat(),
+        winston.format.colorize(),
+        winston.format.align(),
+        winston.format.printf(({ level, message, timestamp }) => {
+            return `[${timestamp}] [${level}]: ${message}`;
+        })
+    ),
+    transports: [
+        //
+        // - Write to all logs with level `info` and below to `quick-start-combined.log`.
+        // - Write all logs error (and below) to `quick-start-error.log`.
+        //
+        new winston.transports.Console({ handleExceptions: true }),
+        // new winston.transports.File({filename: '/data/NCB.log', handleExceptions: true})
+    ],
+});
+
+module.exports = logger;

locales/en.json

@@ -0,0 +1 @@
+{}

locales/fr.json

@@ -0,0 +1,19 @@
+{
+	"Material": "Matière",
+	"Step down factor": "Facteur de profondeur de passe",
+	"Tool Diameter": "Tool Diameter",
+	"Number of tooth": "Number of tooth",
+	"Settings": "Settings",
+	"Calculated Values": "Calculated Values",
+	"Spindle Speed": "Spindle Speed",
+	"Feed Rate": "Feed Rate",
+	"Step Down": "Step Down",
+	"Feed Rate (mm/sec": "Feed Rate (mm/sec",
+	"Feed Rate (mm/sec)": "Feed Rate (mm/sec)",
+	"Feed Rate (mm/min)": "Feed Rate (mm/min)",
+	"Constants": "Constants",
+	"Cutting Speed": "Cutting Speed",
+	"Feed By Tooth": "Feed By Tooth",
+	"Step Down factor": "Step Down factor",
+	"Spindle Max Speed": "Spindle Max Speed"
+}

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "cnc-speed-calculator",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "bootstrap": "^5.0.0-beta1",
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "ejs": "~2.6.1",
+    "express": "~4.16.1",
+    "express-winston": "^4.0.5",
+    "http-errors": "~1.6.3",
+    "i18n": "^0.13.2",
+    "morgan": "~1.9.1",
+    "node-sass-middleware": "0.11.0",
+    "sequelize": "^6.5.0",
+    "sqlite3": "^5.0.1",
+    "winston": "^3.3.3"
+  }
+}

public/css/bootstrap_imports.scss

@@ -0,0 +1,37 @@
+// Layout & components
+@import "../../node_modules/bootstrap/scss/root";
+@import "../../node_modules/bootstrap/scss/reboot";
+@import "../../node_modules/bootstrap/scss/type";
+@import "../../node_modules/bootstrap/scss/images";
+@import "../../node_modules/bootstrap/scss/containers";
+@import "../../node_modules/bootstrap/scss/grid";
+//@import "tables";
+@import "../../node_modules/bootstrap/scss/forms";
+@import "../../node_modules/bootstrap/scss/buttons";
+@import "../../node_modules/bootstrap/scss/transitions";
+@import "../../node_modules/bootstrap/scss/dropdown";
+//@import "button-group";
+//@import "nav";
+@import "../../node_modules/bootstrap/scss/navbar";
+@import "../../node_modules/bootstrap/scss/card";
+//@import "accordion";
+//@import "breadcrumb";
+//@import "pagination";
+@import "../../node_modules/bootstrap/scss/badge";
+@import "../../node_modules/bootstrap/scss/alert";
+@import "../../node_modules/bootstrap/scss/progress";
+@import "../../node_modules/bootstrap/scss/list-group";
+@import "../../node_modules/bootstrap/scss/close";
+@import "../../node_modules/bootstrap/scss/toasts";
+@import "../../node_modules/bootstrap/scss/modal";
+//@import "tooltip";
+//@import "popover";
+//@import "carousel";
+@import "../../node_modules/bootstrap/scss/spinners";
+
+// Helpers
+@import "../../node_modules/bootstrap/scss/helpers";
+
+// Utilities
+@import "../../node_modules/bootstrap/scss/utilities/api";
+// scss-docs-end import-stack

public/css/custom_bootstrap.scss

@@ -0,0 +1,71 @@
+$body-bg: #222222;
+$dark: #292929;
+$secondary: #343a40;
+$accent: #b58e51;
+
+$disabled: #455a64;
+
+$custom-colors:(
+  "accent": $accent
+);
+
+
+
+$enable-shadows: true;
+$btn-box-shadow: none;
+
+$component-active-bg: $accent;
+
+$input-color: $accent;
+$input-bg: $secondary;
+$input-border-color: $secondary;
+$input-group-addon-bg:  $disabled;
+//$input-group-addon-color: $secondary;
+$input-group-addon-border-color: $disabled;
+
+
+$form-select-indicator-color: $accent;
+
+$form-switch-color: $accent;
+$form-switch-bg-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-color}'/></svg>");
+$form-check-input-border: 1px solid $accent !default;
+
+$list-group-action-color: $accent;
+$list-group-bg: $secondary;
+$list-group-hover-bg: $secondary;
+$list-group-action-hover-color: #adb5bd;
+
+$alert-bg-scale: 0%;
+$alert-border-scale: -10%;
+$alert-color-scale: -100%;
+
+// Configuration
+@import "../../node_modules/bootstrap/scss/functions";
+@import "../../node_modules/bootstrap/scss/variables";
+
+$theme-colors: map-merge($theme-colors, $custom-colors);
+
+@import "../../node_modules/bootstrap/scss/mixins";
+@import "../../node_modules/bootstrap/scss/utilities";
+
+//All other bootstrap imports
+@import "bootstrap_imports.scss";
+
+.modal-dialog-scrollable .modal-body {
+  &::-webkit-scrollbar-track {
+    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
+    border-radius: 10px;
+    background-color: $secondary;
+  }
+
+  &::-webkit-scrollbar {
+    width: 12px;
+    background-color: $dark;
+  }
+
+  &::-webkit-scrollbar-thumb {
+    border-radius: 10px;
+    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
+    background-color: $accent;
+  }
+}

public/css/style.css

@@ -0,0 +1,5 @@
+.navbar {
+  background-color: #0091ea;
+}
+
+/*# sourceMappingURL=style.css.map */

public/css/style.css.map

@@ -0,0 +1 @@
+{"version":3,"sourceRoot":"","sources":["style.scss"],"names":[],"mappings":"AAAA;EACE","file":"style.css"}

public/css/style.scss

@@ -0,0 +1,3 @@
+.navbar {
+  background-color: #0091ea;
+}

routes/index.js

@@ -0,0 +1,15 @@
+var express = require('express');
+var router = express.Router();
+const sequelize = require('../sequelize')
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  sequelize.models.preset_cut.findAll({order: ['name']}).then((preset_cut)=>{
+    sequelize.models.preset_step_down_factor.findAll({order: ['name']}).then((step_down_factor)=>{
+      res.render('index', { preset_cut: preset_cut, step_down_factor: step_down_factor });
+    })
+  })
+
+});
+
+module.exports = router;

sequelize/index.js

@@ -0,0 +1,21 @@
+const { Sequelize } = require('sequelize');
+const logger = require('../config/winston')
+const sequelize = new Sequelize({
+    dialect: 'sqlite',
+    storage: 'db.sqlite',
+    logQueryParameters: true,
+    benchmark: true,
+    logging: msg => logger.debug.bind(msg)
+});
+
+const modelDefiners = [
+    require('./models/preset-cut.model'),
+    require('./models/preset-step-down-factor.model'),
+    require('./models/need-init.model')
+];
+
+for (const modelDefiner of modelDefiners) {
+    modelDefiner(sequelize);
+}
+
+module.exports = sequelize;

sequelize/init-db.js

@@ -0,0 +1,121 @@
+const logger = require('../config/winston')
+const sequelize = require('./index')
+
+async function reset() {
+    logger.warn('Reset database...');
+    await sequelize.sync({ force: true });
+    logger.info('...Done');
+    logger.info('Populating with default value...');
+    await sequelize.models.preset_cut.bulkCreate([
+        {
+            name: "Wood, Plywood",
+            cut_speed: 500,
+            feed_by_tooth_more_1: 0.025,
+            feed_by_tooth_more_2: 0.03,
+            feed_by_tooth_more_3: 0.035,
+            feed_by_tooth_more_4: 0.06,
+            feed_by_tooth_more_5: 0.07,
+            feed_by_tooth_more_6: 0.09,
+            feed_by_tooth_more_8: 0.1,
+        },
+        {
+            name: "Hard Wood",
+            cut_speed: 450,
+            feed_by_tooth_more_1: 0.02,
+            feed_by_tooth_more_2: 0.025,
+            feed_by_tooth_more_3: 0.030,
+            feed_by_tooth_more_4: 0.055,
+            feed_by_tooth_more_5: 0.065,
+            feed_by_tooth_more_6: 0.085,
+            feed_by_tooth_more_8: 0.095,
+        },
+        {
+            name: "MDF",
+            cut_speed: 450,
+            feed_by_tooth_more_1: 0.050,
+            feed_by_tooth_more_2: 0.070,
+            feed_by_tooth_more_3: 0.100,
+            feed_by_tooth_more_4: 0.150,
+            feed_by_tooth_more_5: 0.200,
+            feed_by_tooth_more_6: 0.300,
+            feed_by_tooth_more_8: 0.400,
+        },
+        {
+            name: "Expanded PVC",
+            cut_speed: 300,
+            feed_by_tooth_more_1: 0.040,
+            feed_by_tooth_more_2: 0.060,
+            feed_by_tooth_more_3: 0.150,
+            feed_by_tooth_more_4: 0.200,
+            feed_by_tooth_more_5: 0.250,
+            feed_by_tooth_more_6: 0.350,
+            feed_by_tooth_more_8: 0.400,
+        },
+        {
+            name: "PMMA, PC, POM, ...",
+            cut_speed: 250,
+            feed_by_tooth_more_1: 0.015,
+            feed_by_tooth_more_2: 0.020,
+            feed_by_tooth_more_3: 0.025,
+            feed_by_tooth_more_4: 0.050,
+            feed_by_tooth_more_5: 0.060,
+            feed_by_tooth_more_6: 0.080,
+            feed_by_tooth_more_8: 0.090,
+        },
+        {
+            name: "Aluminum (2017A, 5083, ...) ",
+            cut_speed: 125,
+            feed_by_tooth_more_1: 0.010,
+            feed_by_tooth_more_2: 0.010,
+            feed_by_tooth_more_3: 0.010,
+            feed_by_tooth_more_4: 0.015,
+            feed_by_tooth_more_5: 0.015,
+            feed_by_tooth_more_6: 0.020,
+            feed_by_tooth_more_8: 0.030,
+        }
+    ]);
+    await sequelize.models.preset_step_down_factor.bulkCreate([
+        {
+            name: "Soft",
+            k_less_2: 0.5,
+            k_more_2: 0.5,
+            k_more_3: 0.8,
+            k_more_4: 1,
+            k_more_5: 1,
+            k_more_6: 1
+        },
+        {
+            name: "Hard (Nonferrous) ",
+            k_less_2: 0.2,
+            k_more_2: 0.2,
+            k_more_3: 0.4,
+            k_more_4: 0.5,
+            k_more_5: 0.6,
+            k_more_6: 1
+        },
+        {
+            name: "Aluminium",
+            k_less_2: 0.1,
+            k_more_2: 0.1,
+            k_more_3: 0.2,
+            k_more_4: 0.25,
+            k_more_5: 0.35,
+            k_more_6: 0.35
+        },
+    ])
+    await sequelize.models.need_init.create({name: 'init'})
+    logger.info('...Done')
+}
+
+async function check_database() {
+    await sequelize.sync();
+    let val = await sequelize.models.need_init.findAll({where: {name: 'init'}});
+    if(val.length === 0){
+        logger.info('Need init !');
+        await reset();
+        logger.info('Done')
+    }
+
+}
+
+exports.check_database = check_database;

sequelize/models/need-init.model.js

@@ -0,0 +1,16 @@
+const { DataTypes } = require('sequelize');
+
+module.exports = (sequelize) => {
+    sequelize.define('need_init', {
+        id: {
+            allowNull: false,
+            autoIncrement: true,
+            primaryKey: true,
+            type: DataTypes.INTEGER
+        },
+        name: {
+            allowNull: false,
+            type: DataTypes.STRING
+        }
+    })
+}

sequelize/models/preset-cut.model.js

@@ -0,0 +1,48 @@
+const { DataTypes } = require('sequelize');
+
+module.exports = (sequelize) => {
+    sequelize.define('preset_cut', {
+        id: {
+            allowNull: false,
+            autoIncrement: true,
+            primaryKey: true,
+            type: DataTypes.INTEGER
+        },
+        name: {
+            allowNull: false,
+            type: DataTypes.STRING
+        },
+        cut_speed: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_1: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_2: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_3: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_4: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_5: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_6: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        feed_by_tooth_more_8: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+    })
+}

sequelize/models/preset-step-down-factor.model.js

@@ -0,0 +1,40 @@
+const { DataTypes } = require('sequelize');
+
+module.exports = (sequelize) =>{
+    sequelize.define('preset_step_down_factor',{
+        id: {
+            allowNull: false,
+            autoIncrement: true,
+            primaryKey: true,
+            type: DataTypes.INTEGER
+        },
+        name: {
+            allowNull: false,
+            type: DataTypes.STRING
+        },
+        k_less_2: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        k_more_2: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        k_more_3: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        k_more_4: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        k_more_5: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        },
+        k_more_6: {
+            allowNull: false,
+            type: DataTypes.FLOAT,
+        }
+    })
+}

views/calculated.ejs

@@ -0,0 +1,45 @@
+<div class="card bg-dark shadow-sm border-secondary">
+    <div class="card-header border-secondary border-bottom h3 text-center">
+        <%= __('Calculated Values') %>
+    </div>
+    <div class="card-body ">
+        <div class="row justify-content-center">
+            <div class="col-12 col-md-5">
+                <label for="rpm" class="form-label"><%= __('Spindle Speed') %></label>
+                <div class="input-group">
+                    <input type="number" min="0" step="0.1" class="form-control bg-secondary" id="rpm" disabled
+                           value="0">
+                    <span class="input-group-text">RPM</span>
+                </div>
+            </div>
+            <div class="col-12 col-md-5 mt-3 mt-md-0">
+                <label for="feed_rate" class="form-label"><%= __('Feed Rate (mm/min)') %></label>
+                <div class="input-group">
+                    <input type="number" min="0" step="0.1" class="form-control bg-secondary" id="feed_rate" disabled
+                           value="0">
+                    <span class="input-group-text">mm/min</span>
+                </div>
+            </div>
+        </div>
+        <div class="row mt-3 justify-content-center">
+            <div class="col-12 col-md-5">
+                <label for="step_down" class="form-label"><%= __('Step Down') %></label>
+                <div class="input-group">
+                    <input type="number" min="0" step="0.1" class="form-control bg-secondary" id="step_down" disabled
+                           value="0">
+                    <span class="input-group-text">mm</span>
+                </div>
+            </div>
+            <div class="col-12 col-md-5 mt-3 mt-md-0">
+                <label for="feed_rate_sec" class="form-label"><%= __('Feed Rate (mm/sec)') %></label>
+                <div class="input-group">
+                    <input type="number" min="0" step="0.1" class="form-control bg-secondary" id="feed_rate_sec"
+                           disabled
+                           value="0">
+                    <span class="input-group-text">mm/sec</span>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+

views/constants.ejs

@@ -0,0 +1,33 @@
+<div class="card bg-dark shadow-sm border-secondary">
+    <div class="card-header border-secondary border-bottom h3 text-center">
+        <%= __('Constants') %>
+    </div>
+    <div class="card-body ">
+        <div class="row justify-content-center">
+            <div class="col-12 col-md-5">
+                <label for="cutting_speed" class="form-label"><%= __('Cutting Speed') %></label>
+                <div class="input-group">
+                    <input type="number" class="form-control bg-secondary" id="cutting_speed"
+                           disabled value="0">
+                    <span class="input-group-text">m/min</span>
+                </div>
+            </div>
+            <div class="col-12 col-md-5 mt-3 mt-md-0">
+                <label for="feed_tooth" class="form-label"><%= __('Feed By Tooth') %></label>
+                <div class="input-group">
+                    <input type="number" class="form-control bg-secondary" id="feed_tooth" disabled
+                           value="0">
+                    <span class="input-group-text">mm</span>
+                </div>
+            </div>
+        </div>
+        <div class="row mt-3 justify-content-center">
+            <div class="col-12 col-md-5">
+                <label for="step_down_factor" class="form-label"><%= __('Step Down factor') %></label>
+                <input type="number" min="0" step="0.1" class="form-control bg-secondary" id="step_down_factor" disabled
+                       value="0">
+            </div>
+        </div>
+    </div>
+</div>
+

views/error.ejs

@@ -0,0 +1,3 @@
+<h1><%= message %></h1>
+<h2><%= error.status %></h2>
+<pre><%= error.stack %></pre>

views/index.ejs

@@ -0,0 +1,159 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>CNC Speed Calculator</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel='stylesheet' href='/css/style.css'/>
+    <link rel="stylesheet" href="/css/custom_bootstrap.css">
+</head>
+<body>
+<nav class="navbar navbar-dark navbar-expand">
+    <div class="container">
+        <a href="#" class="navbar-brand">
+            CNC Speed Calculator
+        </a>
+    </div>
+</nav>
+<div class="container mt-4 text-white">
+    <div class="row">
+        <div class="col-12 col-lg-8 offset-lg-2">
+            <%- include('settings'); -%>
+        </div>
+    </div>
+    <div class="row mb-4 mt-lg-2">
+        <div class="col-12 col-lg-6 mt-3">
+            <%- include('calculated'); -%>
+        </div>
+        <div class="col-12 col-lg-6 mt-3">
+            <%- include('constants'); -%>
+        </div>
+    </div>
+</div>
+
+
+</body>
+<script src="/js/bootstrap.min.js"></script>
+<script>
+    let preset_cut = '<%- JSON.stringify(preset_cut) %>';
+    let preset_step_down_factor = '<%- JSON.stringify(step_down_factor) %>';
+    preset_cut = JSON.parse(preset_cut);
+    preset_step_down_factor = JSON.parse(preset_step_down_factor);
+
+    let preset_cut_elem = document.querySelector('#preset_cut');
+    let preset_step_down_factor_elem = document.querySelector('#preset_step_down_factor');
+    let tooth_nbr_elem = document.querySelector('#tooth_nbr');
+    let tool_diameter_elem = document.querySelector('#tool_diameter');
+    let max_rpm_elem = document.querySelector('#max_rpm')
+
+    let rpm_elem = document.querySelector('#rpm');
+    let feed_rate_elem = document.querySelector('#feed_rate');
+    let feed_rate_sec_elem = document.querySelector('#feed_rate_sec');
+    let step_down_elem = document.querySelector('#step_down');
+
+    let cutting_speed_elem = document.querySelector('#cutting_speed');
+    let feed_tooth_elem = document.querySelector('#feed_tooth');
+    let step_down_factor_elem = document.querySelector('#step_down_factor');
+
+    document.addEventListener("DOMContentLoaded", function (event) {
+        load();
+        onChange();
+    });
+
+
+    function onChange() {
+        if (preset_cut_elem.value === "" || preset_step_down_factor_elem.value === "" || tool_diameter_elem.value === "0" || tooth_nbr_elem.value === "0" || max_rpm_elem.value === "0") {
+            return;
+        }
+        save();
+        let new_preset_cut = getPresetValue(preset_cut, parseInt(preset_cut_elem.value, 10));
+        let new_preset_steep_down = getPresetValue(preset_step_down_factor, parseInt(preset_step_down_factor_elem.value, 10))
+        let new_tool_diameter = parseFloat(tool_diameter_elem.value);
+        let new_tooth_nbr = parseInt(tooth_nbr_elem.value);
+        let max_rpm = parseInt(max_rpm_elem.value);
+
+        let rpm = (1000 * new_preset_cut.cut_speed) / (3.14 * new_tool_diameter);
+        if (rpm > max_rpm)
+            rpm = max_rpm;
+        let feed_rate = rpm * getFeedByTooth(new_tool_diameter, new_preset_cut) * new_tooth_nbr;
+        let feed_rate_sec = feed_rate / 60;
+        let step_down = new_tool_diameter * getStepDownFactor(new_tool_diameter, new_preset_steep_down);
+
+        rpm = Math.round(rpm);
+        feed_rate = Math.round(feed_rate);
+        feed_rate_sec = feed_rate_sec.toFixed(2)
+        step_down = step_down.toFixed(2);
+
+        rpm_elem.value = rpm;
+        feed_rate_elem.value = feed_rate;
+        feed_rate_sec_elem.value = feed_rate_sec;
+        step_down_elem.value = step_down;
+
+        cutting_speed_elem.value = new_preset_cut.cut_speed;
+        feed_tooth_elem.value = getFeedByTooth(new_tool_diameter, new_preset_cut);
+        step_down_factor_elem.value = getStepDownFactor(new_tool_diameter, new_preset_steep_down);
+    }
+
+    function getPresetValue(list, id) {
+        for (let elem of list) {
+            if (elem.id === id) {
+                return elem;
+            }
+        }
+        return null
+    }
+
+    function getFeedByTooth(tool_diam, preset) {
+        if (tool_diam >= 8)
+            return preset.feed_by_tooth_more_8;
+        if (tool_diam >= 6)
+            return preset.feed_by_tooth_more_6;
+        if (tool_diam >= 5)
+            return preset.feed_by_tooth_more_5;
+        if (tool_diam >= 4)
+            return preset.feed_by_tooth_more_4;
+        if (tool_diam >= 3)
+            return preset.feed_by_tooth_more_3;
+        if (tool_diam >= 2)
+            return preset.feed_by_tooth_more_2;
+        return preset.feed_by_tooth_more_1;
+    }
+
+    function getStepDownFactor(tool_diam, preset) {
+        if (tool_diam >= 6)
+            return preset.k_more_6;
+        if (tool_diam >= 5)
+            return preset.k_more_5;
+        if (tool_diam >= 4)
+            return preset.k_more_4;
+        if (tool_diam >= 3)
+            return preset.k_more_3;
+        if (tool_diam >= 2)
+            return preset.k_more_2;
+        return preset.k_less_2;
+    }
+
+    function save(){
+        let values = {
+            preset_cut: preset_cut_elem.value,
+            preset_step_down_factor: preset_step_down_factor_elem.value,
+            tool_diameter: tool_diameter_elem.value,
+            tooth_nbr: tooth_nbr_elem.value,
+            max_rpm: max_rpm_elem.value
+        }
+        localStorage.setItem('previous_data', JSON.stringify(values));
+    }
+
+    function load(){
+        let previous_data = localStorage.getItem('previous_data')
+        if(previous_data === null)
+            return;
+        previous_data = JSON.parse(previous_data);
+        preset_cut_elem.value = previous_data.preset_cut;
+        preset_step_down_factor_elem.value = previous_data.preset_step_down_factor;
+        tool_diameter_elem.value = previous_data.tool_diameter;
+        tooth_nbr_elem.value = previous_data.tooth_nbr;
+        max_rpm_elem.value = previous_data.max_rpm;
+    }
+
+</script>
+</html>

views/settings.ejs

@@ -0,0 +1,49 @@
+<div class="card bg-dark shadow-sm border-secondary">
+    <div class="card-header border-secondary border-bottom h3 text-center">
+        <%= __('Settings') %>
+    </div>
+    <div class="card-body ">
+        <div class="row">
+            <div class="col-12 col-md-6">
+                <label for="preset_cut" class="form-label"><%= __("Material") %></label>
+                <select class="form-select border-accent" id="preset_cut" onchange="onChange()">
+                    <% preset_cut.forEach(function (preset){ %>
+                        <option value="<%= preset.id %>"><%= preset.name %></option>
+                    <% }) %>
+                </select>
+            </div>
+            <div class="col-12 col-md-6 mt-md-0 mt-3">
+                <label for="preset_step_down_factor" class="form-label"><%= __('Step down factor') %></label>
+                <select class="form-select border-accent" id="preset_step_down_factor" onchange="onChange()">
+                    <% step_down_factor.forEach(function (preset){ %>
+                        <option value="<%= preset.id %>"><%= preset.name %></option>
+                    <% }) %>
+                </select>
+            </div>
+        </div>
+        <div class="row mt-3 justify-content-center">
+            <div class="col-6 col-md-3">
+                <label for="tooth_nbr" class="form-label"><%= __('Number of tooth') %></label>
+                <input type="number" min="1" step="1" class="form-control border-accent" id="tooth_nbr" onchange="onChange()"
+                       onkeyup="onChange()" value="1">
+
+            </div>
+            <div class="col-6 col-md-3">
+                <label for="tool_diameter" class="form-label"><%= __('Tool Diameter') %></label>
+                <div class="input-group">
+                    <input type="number" min="1" step="0.1" class="form-control border-accent border-end-0" id="tool_diameter" onkeyup="onChange()"
+                           onchange="onChange()" value="3.0">
+                    <span class="input-group-text border-accent">mm</span>
+                </div>
+            </div>
+            <div class="col-12 col-md-3 mt-3 mt-md-0">
+                <label for="max_rpm" class="form-label"><%= __('Spindle Max Speed') %></label>
+                <div class="input-group">
+                    <input type="number" min="1000" step="1" class="form-control border-accent border-end-0" id="max_rpm" onkeyup="onChange()"
+                           onchange="onChange()" value="30000">
+                    <span class="input-group-text border-accent">RPM</span>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>