progress

controllers/modbus.controller.js

@@ -85,7 +85,16 @@ export const modbusController = {
    * @param {import('express').Response} res 
    * @param {import('express').NextFunction} next 
    */
-  async removeSlaveDevice(req, res, next) {},
+  async removeSlaveDevice(req, res, next) {
+    try {
+      const device = await db.get(`SELECT id FROM "modbus_slaves" WHERE id = ?`, [req.body.id]);
+      if (!device) return res.status(404).json({ message: 'Device not found.' });
+      await db.run(`DELETE FROM "modbus_slaves" WHERE id = ?`, [req.body.id]);
+      return res.status(200).json({ message: 'Device removed.' });
+    } catch (error) {
+      next(error);
+    }
+  },
 
   /**
    * Create display value for modbus slave device
@@ -112,7 +121,27 @@ export const modbusController = {
   async getLatestLog(req, res, next) {},
 
   /**
-   * Create event stream for sending data from modbus device
+   * Creates event stream aboud modbus connection status
+   * @param {import('express').Request} req 
+   * @param {import('express').Response} res 
+   * @param {import('express').NextFunction} next 
+   */
+  async status(req, res, next) {
+    try {
+      res.setHeader("Cache-Control", "no-cache");
+      res.setHeader("Content-Type", "text/event-stream");
+      res.setHeader("Connection", "keep-alive");
+      let intervalId = setInterval(() => {
+        res.write(`event: message\ndata: ${JSON.stringify(modbusClient.isOpen)}\n\n`);
+      }, 500);
+      req.on('close', () => clearInterval(intervalId));
+    } catch (error) {
+      next(error);
+    }
+  },
+
+  /**
+   * Creates event stream for sending data from modbus device
    * @param {import('express').Request} req 
    * @param {import('express').Response} res 
    * @param {import('express').NextFunction} next 

index.d.ts

@@ -10,9 +10,10 @@ export type AppConfig = {
   log_interval_ms: number;
 };
 
-export type ModbusSlave = {
+export type SlaveModbusDevice = {
   id: number;
   name: string;
-  display_addr: number;
+  display_reg_addr: number | null;
+  display_reg_format: number | null;
   is_logging: boolean;
 }

migrations/001-init.sql

@@ -21,8 +21,11 @@ CREATE TABLE IF NOT EXISTS "app_config" (
 CREATE TABLE IF NOT EXISTS "modbus_slaves" (
 	"id" INTEGER CHECK (id >= 1 AND id <= 255),
 	"name" VARCHAR(256) NOT NULL,
-	"display_reg_addr" INTEGER CHECK(display_reg_addr >= 0 AND display_reg_addr <= 65534),
+	-- Holding register
-	"display_reg_format" INTEGER CHECK(display_reg_format IN(16, 32)),
+	"g_display_reg_addr" INTEGER CHECK(g_display_reg_addr >= 0 AND g_display_reg_addr <= 65534), 
+	-- Use 1 or 2 bytes
+	"g_display_reg_format" INTEGER CHECK(g_display_reg_format IN(16, 32)),
+	"g_y_label" VARCHAR(40),
 	"is_logging" BOOLEAN NOT NULL,
 	PRIMARY KEY("id")
 );
@@ -36,6 +39,14 @@ CREATE TABLE IF NOT EXISTS "display_values" (
 	FOREIGN KEY("slave_id") REFERENCES modbus_slaves("id") ON DELETE CASCADE
 );
 
+INSERT INTO "modbus_slaves" (
+	"id", "name", "g_display_reg_addr", "g_display_reg_format", "g_y_label", "is_logging"
+) VALUES
+	(1, "Device #1", 1, 16, "Label 1", 1),
+	(2, "Device #2", 2, 32, "Label 2", 1),
+	(3, "Device #3", 8, 16, "Label 3", 0),
+	(4, "Device #4", NULL, NULL, "Label 4", 0);
+
 --------------------------------------------------------------------------------
 -- Down
 --------------------------------------------------------------------------------

public/css/dist.css

@@ -603,19 +603,27 @@ video {
   position: relative;
 }
 
+.z-50 {
+  z-index: 50;
+}
+
 .mx-auto {
   margin-left: auto;
   margin-right: auto;
 }
 
+.my-2 {
+  margin-top: 0.5rem;
+  margin-bottom: 0.5rem;
+}
+
 .my-4 {
   margin-top: 1rem;
   margin-bottom: 1rem;
 }
 
-.my-2 {
+.mb-3 {
-  margin-top: 0.5rem;
+  margin-bottom: 0.75rem;
-  margin-bottom: 0.5rem;
 }
 
 .ml-auto {
@@ -630,6 +638,22 @@ video {
   margin-right: 0.5rem;
 }
 
+.mr-auto {
+  margin-right: auto;
+}
+
+.mt-1 {
+  margin-top: 0.25rem;
+}
+
+.mt-1\.5 {
+  margin-top: 0.375rem;
+}
+
+.mt-10 {
+  margin-top: 2.5rem;
+}
+
 .mt-16 {
   margin-top: 4rem;
 }
@@ -638,6 +662,10 @@ video {
   margin-top: 0.5rem;
 }
 
+.mt-20 {
+  margin-top: 5rem;
+}
+
 .mt-3 {
   margin-top: 0.75rem;
 }
@@ -646,8 +674,12 @@ video {
   margin-top: 1rem;
 }
 
-.mt-10 {
+.mt-5 {
-  margin-top: 2.5rem;
+  margin-top: 1.25rem;
+}
+
+.mt-6 {
+  margin-top: 1.5rem;
 }
 
 .block {
@@ -706,14 +738,14 @@ video {
   max-width: 42rem;
 }
 
-.max-w-6xl {
-  max-width: 72rem;
-}
-
 .max-w-5xl {
   max-width: 64rem;
 }
 
+.max-w-md {
+  max-width: 28rem;
+}
+
 .flex-1 {
   flex: 1 1 0%;
 }
@@ -762,6 +794,10 @@ video {
   align-items: center;
 }
 
+.justify-end {
+  justify-content: flex-end;
+}
+
 .justify-between {
   justify-content: space-between;
 }
@@ -772,6 +808,12 @@ video {
   margin-left: calc(0.5rem * calc(1 - var(--tw-space-x-reverse)));
 }
 
+.space-y-1 > :not([hidden]) ~ :not([hidden]) {
+  --tw-space-y-reverse: 0;
+  margin-top: calc(0.25rem * calc(1 - var(--tw-space-y-reverse)));
+  margin-bottom: calc(0.25rem * var(--tw-space-y-reverse));
+}
+
 .space-y-2 > :not([hidden]) ~ :not([hidden]) {
   --tw-space-y-reverse: 0;
   margin-top: calc(0.5rem * calc(1 - var(--tw-space-y-reverse)));
@@ -816,6 +858,21 @@ video {
   border-style: dashed;
 }
 
+.bg-gray-100 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(243 244 246 / var(--tw-bg-opacity));
+}
+
+.bg-red-500 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(239 68 68 / var(--tw-bg-opacity));
+}
+
+.bg-white {
+  --tw-bg-opacity: 1;
+  background-color: rgb(255 255 255 / var(--tw-bg-opacity));
+}
+
 .fill-blue-600 {
   fill: #2563eb;
 }
@@ -862,15 +919,37 @@ video {
   padding-right: 0.625rem;
 }
 
+.px-4 {
+  padding-left: 1rem;
+  padding-right: 1rem;
+}
+
 .py-3 {
   padding-top: 0.75rem;
   padding-bottom: 0.75rem;
 }
 
+.py-3\.5 {
+  padding-top: 0.875rem;
+  padding-bottom: 0.875rem;
+}
+
+.pl-2 {
+  padding-left: 0.5rem;
+}
+
+.pr-6 {
+  padding-right: 1.5rem;
+}
+
 .pt-5 {
   padding-top: 1.25rem;
 }
 
+.text-left {
+  text-align: left;
+}
+
 .text-center {
   text-align: center;
 }
@@ -885,9 +964,14 @@ video {
   line-height: 2.25rem;
 }
 
-.text-5xl {
+.text-4xl {
-  font-size: 3rem;
+  font-size: 2.25rem;
-  line-height: 1;
+  line-height: 2.5rem;
+}
+
+.text-lg {
+  font-size: 1.125rem;
+  line-height: 1.75rem;
 }
 
 .text-sm {
@@ -895,6 +979,11 @@ video {
   line-height: 1.25rem;
 }
 
+.text-xl {
+  font-size: 1.25rem;
+  line-height: 1.75rem;
+}
+
 .font-bold {
   font-weight: 700;
 }
@@ -913,16 +1002,40 @@ video {
   color: rgb(156 163 175 / var(--tw-text-opacity));
 }
 
+.text-gray-500 {
+  --tw-text-opacity: 1;
+  color: rgb(107 114 128 / var(--tw-text-opacity));
+}
+
 .text-gray-700 {
   --tw-text-opacity: 1;
   color: rgb(55 65 81 / var(--tw-text-opacity));
 }
 
+.text-green-700 {
+  --tw-text-opacity: 1;
+  color: rgb(21 128 61 / var(--tw-text-opacity));
+}
+
+.text-red-500 {
+  --tw-text-opacity: 1;
+  color: rgb(239 68 68 / var(--tw-text-opacity));
+}
+
 .text-red-600 {
   --tw-text-opacity: 1;
   color: rgb(220 38 38 / var(--tw-text-opacity));
 }
 
+.text-red-700 {
+  --tw-text-opacity: 1;
+  color: rgb(185 28 28 / var(--tw-text-opacity));
+}
+
+.underline {
+  text-decoration-line: underline;
+}
+
 .opacity-70 {
   opacity: 0.7;
 }
@@ -943,6 +1056,24 @@ video {
   display: none !important;
 }
 
+.backdrop {
+  position: fixed;
+  top: 0px;
+  left: 0px;
+  bottom: 0px;
+  right: 0px;
+  overflow-y: auto;
+  background-color: rgba(0,0,0,.15);
+  padding-left: 0.625rem;
+  padding-right: 0.625rem;
+}
+
+a {
+  --tw-text-opacity: 1;
+  color: rgb(37 99 235 / var(--tw-text-opacity));
+  text-decoration-line: underline;
+}
+
 input,
 select {
   margin-top: 0.125rem;
@@ -971,6 +1102,11 @@ button:disabled {
   pointer-events: all !important;
 }
 
+.hover\:bg-gray-100:hover {
+  --tw-bg-opacity: 1;
+  background-color: rgb(243 244 246 / var(--tw-bg-opacity));
+}
+
 .hover\:bg-gray-50:hover {
   --tw-bg-opacity: 1;
   background-color: rgb(249 250 251 / var(--tw-bg-opacity));

public/css/main.css

@@ -12,6 +12,14 @@
   display: none !important;
 }
 
+.backdrop {
+  @apply fixed top-0 left-0 bottom-0 right-0 bg-[rgba(0,0,0,.15)] px-2.5 overflow-y-auto;
+}
+
+a {
+  @apply underline text-blue-600;
+}
+
 input,
 select {
   @apply w-full border py-1 rounded-sm my-0.5 bg-white;

public/index.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Modbus Logger App</title>
     <link rel="stylesheet" href="/css/dist.css" />
+    <link rel="stylesheet" href="/css/dygraphs.css" />
     <script defer src="/js/dygraphs.min.js"></script>
     <script defer type="module" src="/js/app.js"></script>
   </head>
@@ -17,48 +18,69 @@
     <!-- Root element -->
     <div x-data x-cloak class="mx-auto max-w-5xl flex flex-col h-screen">
       <!-- Monitoring content -->
-      <main class="flex-1" x-bind:hidden="$store.app.currentPage !== 'monitoring'">
+      <template x-if="$store.app.currentPage === 'monitoring'">
+        <main x-data="monitoringPage" class="flex-1" x-bind:hidden="$store.app.currentPage !== 'monitoring'">
           <!-- <div>
             <h1 class="text-3xl font-bold">Monitoring page</h1>
             <button @click="$store.app.setPage('configuration')" class="btn">Config</button>
           </div> -->
           <div class="flex h-full flex-row space-x-2">
             <div class="border-r min-w-[256px] p-2.5 pt-5">
-            <div class="flex flex-col space-y-2">
+              <div class="flex flex-col space-y-1">
-              <span class="italic text-sm">Devices list:</span>
+                <span class="italic text-sm">Devices:</span>
+                <span x-show="devices.length === 0" class="text-gray-500 text-sm text-center block">No devices added.</span>
                 <div class="flex flex-col max-h-[520px] overflow-y-auto space-y-2">
-                <div class="w-full select-none border px-2.5 py-3 rounded-sm hover:bg-gray-50 cursor-pointer">
+                  <template x-for="device in devices">
-                  <h2 class="text-md font-bold">Device #1</h2>
+                    <button @click="selectDevice(device)" :class="{'bg-gray-100': selectedDevice?.id === device.id}" class="w-full select-none border px-2.5 py-3 text-left rounded-sm hover:bg-gray-100 cursor-pointer">
-                </div>
+                      <span x-text="device.name" class="text-md font-bold"></span>
-                <div class="w-full select-none border px-2.5 py-3 rounded-sm hover:bg-gray-50 cursor-pointer">
+                    </button>
-                  <h2 class="text-md font-bold">Device #2</h2>
+                  </template>
-                </div>
-                <div class="w-full select-none border px-2.5 py-3 rounded-sm hover:bg-gray-50 cursor-pointer">
-                  <h2 class="text-md font-bold">Device #3</h2>
-                </div>
-              </div>
-              <div class="w-full text-center border-2 border-dashed rounded-sm hover:bg-gray-50 cursor-pointer">
-                <span class="text-5xl text-gray-400 select-none">+</span>
                 </div>
+                <button class="w-full text-center border-2 border-dashed rounded-sm hover:bg-gray-50 cursor-pointer text-left">
+                  <span class="text-4xl text-gray-400 select-none">+</span>
+                </button>
               </div>
               <hr class="my-4" />
-            <div><span class="italic text-sm">Connection:</span><br /></div>
+              <div>
+                  <span class="italic text-sm">Connection:</span>
+                  <div class="flex flex-col mt-1.5">
+                    <span class="text-sm">Status:
+                      <b x-show="$store.app.is_opened" class="text-green-700">Opened</b>
+                      <b x-show="!$store.app.is_opened" class="text-red-700">Closed</b>
+                    </span>
+                    <a class="text-sm" @click="$store.app.setPage('configuration')" href="#">
+                      Reconfigurate
+                    </a>
+                  </div>
+              </div>
+            </div>
+            <div class="flex-auto pl-2">
+              <div x-show="selectedDevice != null">
+                <div class="pt-5 border-b flex justify-between items-center pr-6">
+                  <h2 x-text="selectedDevice?.name" class="font-bold text-3xl my-2"></h2>
+                  <div>
+                    <a href="#">Edit</a>
+                    <a @click="$store.confirmDialog.open('Remove device', `Delete ${selectedDevice.name}? All logs will be cleared.`, removeDevice, selectedDevice.id)" class="text-red-500" href="#">Delete</a>
                   </div>
-          <div class="flex-auto">
-            <div class="pt-5 border-b">
-              <h2 class="font-bold text-3xl my-2">Device #1</h2>
                 </div>
                 <div class="mt-4">
-              <div id="div_g" style="width: 720px; height: 300px"></div>
+                  <div id="div_g" x-ref="graph" style="width: 720px; height: 300px"></div>
                 </div>
                 <hr class="mt-10" />
+                <h2 class="text-xl font-bold mb-3">Display values</h2>
+              </div>
+              <div class="select-none" x-show="selectedDevice === null">
+                <span class="block text-center italic text-gray-500 mt-10">No device selected.</span>
+              </div>
             </div>
             <!-- <div class="border-l"></div> -->
           </div>
         </main>
+      </template>
 
       <!-- Configuration content -->
-      <main x-data="configAppPage" x-bind:hidden="$store.app.currentPage !== 'configuration'">
+      <template x-if="$store.app.currentPage === 'configuration'">
+        <main class="mt-6" x-data="configAppPage" x-bind:hidden="$store.app.currentPage !== 'configuration'">
           <div class="border rounded-sm p-4 max-w-2xl mx-auto">
             <h2 class="text-2xl font-bold">Setup configuration</h2>
             <p class="text-gray-700 italic">
@@ -210,8 +232,10 @@
             </form>
           </div>
         </main>
+      </template>
 
       <!-- Loading content -->
+      <template x-if="$store.app.currentPage === 'loading'">
         <main x-bind:hidden="$store.app.currentPage !== 'loading'">
           <div class="text-center mt-16">
             <div role="status">
@@ -235,8 +259,10 @@
             <p class="mt-4">Loading...</p>
           </div>
         </main>
+      </template>
 
       <!-- Error content -->
+      <template x-if="$store.app.currentPage === 'error'">
         <main x-bind:hidden="$store.app.currentPage !== 'error'">
           <div>
             <h1 class="text-2xl font-bold">Something went wrong.</h1>
@@ -247,13 +273,34 @@
             </div>
           </div>
         </main>
+      </template>
 
       <!-- 404 content -->
+      <template x-if="$store.app.currentPage === '404'">
         <main x-bind:hidden="$store.app.currentPage !== '404'">
-        <div>
+          <div class="text-center mt-5">
-          <h1 class="text 2xl font-bold">Page not found</h1>
+            <h1 class="text-2xl font-bold">Page not found</h1>
+            <a @click="$store.app.setPage('monitoring')" class="underline text-blue" href="#">return to monitoring</a>
           </div>
         </main>
+      </template>
+
+      <div x-show="$store.confirmDialog.isOpen" class="backdrop z-50">
+        <div role="dialog" @click.away="$store.confirmDialog.close()" class="px-4 py-3.5 ml-auto mr-auto mt-20 bg-white max-w-md border rounded-sm">
+          <div class="flex justify-between items-center">
+            <h2 x-text="$store.confirmDialog.labels.title" class="font-bold text-lg"></h2>
+            <button @click="$store.confirmDialog.close()" aria-label="Close">
+              <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="currentColor" d="M6.4 19L5 17.6l5.6-5.6L5 6.4L6.4 5l5.6 5.6L17.6 5L19 6.4L13.4 12l5.6 5.6l-1.4 1.4l-5.6-5.6L6.4 19Z"/></svg>
+            </button>
+          </div>
+          <hr>
+          <p x-text="$store.confirmDialog.labels.body"></p>
+          <div class="mt-4 flex justify-end space-x-2">
+            <button @click="$store.confirmDialog.confirm()" class="btn">Confirm</button>
+            <button @click="$store.confirmDialog.close()" class="btn bg-red-500">Cancel</button>
+          </div>
+        </div>
+      </div>
     </div>
   </body>
 </html>

public/js/app.js

@@ -4,34 +4,18 @@ import api from "./api.js";
 import * as utils from "./utils/index.js";
 
 const pages = ["loading", "monitoring", "configuration", "404"];
-
+let graphData = [];
-var data = [];
+const t = new Date();
-var t = new Date();
 
 for (var i = 10; i >= 0; i--) {
   var x = new Date(t.getTime() - i * 1000);
-  data.push([x, Math.random()]);
+  graphData.push([x, Math.random()]);
 }
 
-document.addEventListener("DOMContentLoaded", () => {
-  var g = new Dygraph(document.getElementById("div_g"), data, {
-    drawPoints: false,
-    showRoller: false,
-    // valueRange: [0.0, 6.8],
-    labels: ["Time", "Random"],
-  });
-
-  window.intervalId = setInterval(function () {
-    var x = new Date(); // current time
-    var y = Math.random();
-    data.push([x, y]);
-    g.updateOptions({ file: data });
-  }, 1000);
-});
-
 document.addEventListener("alpine:init", async () => {
   Alpine.store("app", {
     is_configured: false,
+    is_opened: false,
     config: {
       mb_connection_type: "TCP",
       mb_tcp_ip: "127.0.0.1",
@@ -45,9 +29,9 @@ document.addEventListener("alpine:init", async () => {
     },
     currentPage: "loading",
     error: null,
-    devices: [],
     async init() {
       try {
+        const connStatusEventSource = new EventSource('/api/modbus/status');
         const { config } = await api.get("/app/config");
         const { is_configured } = await api.get("/app/is_configured");
 
@@ -55,14 +39,15 @@ document.addEventListener("alpine:init", async () => {
 
         if (config) this.config = config;
         if (is_configured) {
-          const devices = await api.get("/modbus/devices");
+          connStatusEventSource.onmessage = (e) => (this.is_opened = e.data === 'true');
-          this.devices = devices;
+          await utils.wait(500);
           this.currentPage = "monitoring";
           return;
         }
 
         this.currentPage = "configuration";
       } catch (error) {
+        console.error(error);
         this.currentPage = "error";
         this.error = error;
       }
@@ -78,6 +63,46 @@ document.addEventListener("alpine:init", async () => {
     },
   });
 
+  Alpine.data('monitoringPage', () => ({
+    selectedDevice: null,
+    devices: [],
+    async init() {
+      try {
+        this.$store.app.currentPage = 'loading'
+        var g = new Dygraph(document.getElementById("div_g"), graphData, {
+          drawPoints: false,
+          showRoller: false,
+          ylabel: 'Y Label',
+          valueRange: [0.0, 1.8],
+          //labels: ["Time", "Random"],
+        });
+        this.devices = await api.get('/modbus/devices');
+        window.intervalId = setInterval(() => {
+          graphData.push([new Date(), Math.random()]);
+          g.updateOptions({ file: graphData })
+        }, 500)
+      } catch (error) {
+        this.$store.app.error = error;
+      } finally {
+        this.$store.app.currentPage = 'monitoring'
+      }
+    },
+    selectDevice(device) {
+      if (device.id === this.selectedDevice?.id) return;
+      graphData = [];
+      this.selectedDevice = device;
+    },
+    async removeDevice(id, ctx) {
+      try {
+        //await api.post('/modbus/remove_device', { id });
+        this.devices = _this.devices.filter(d => d.id != id);
+        this.selectedDevice = null;
+      } catch (error) {
+        console.error('Error while removing device.', error)
+      }
+    }
+  }))
+
   Alpine.data("configAppPage", () => ({
     selectedConnectionType: "TCP",
     isLoading: false,
@@ -99,6 +124,7 @@ document.addEventListener("alpine:init", async () => {
         };
         await api.patch("/app/config", body[data.mb_connection_type]);
         await api.post("/modbus/connect");
+        await utils.wait(500);
         this.$store.app.currentPage = "monitoring";
       } catch (error) {
         this.errorMessage = `${error.message}`;
@@ -107,4 +133,29 @@ document.addEventListener("alpine:init", async () => {
       }
     },
   }));
+
+  Alpine.store("confirmDialog", {
+    isOpen: false,
+    labels: {
+      title: 'Confirm dialog',
+      body: 'Are you sure you want to perform this action?',
+    },
+    cb: {
+      fn: null,
+      args: []
+    },
+    open(title, body, cb, ...args) {
+      this.isOpen = true;
+      this.labels = { title, body };
+      this.cb.fn = cb;
+      this.cb.args = args;
+    },
+    confirm() {
+      this.cb.fn && this.cb.fn(...this.cb.args);
+      this.close();
+    },
+    close() {
+      this.isOpen = false;
+    }
+  })
 });

public/js/utils/index.js

@@ -1 +1,3 @@
 export * from './object.js'
+
+export const wait = (ms) => new Promise((res) => setTimeout(() => res(), ms));

routes/api.router.js

@@ -3,7 +3,7 @@ import express from "express";
 /**
  * Validators
  */
-import { appConfigSchema } from "#root/validators/index.js";
+import { appConfigSchema, removeModbusDeviceSchema } from "#root/validators/index.js";
 
 /**
  * Controllers
@@ -22,8 +22,10 @@ apiRouter.patch("/app/config", validateBodyMiddleware(appConfigSchema), appContr
 apiRouter.get("/app/is_configured", appController.isConfigured);
 
 apiRouter.get("/modbus/devices", modbusController.list);
+apiRouter.post('/modbus/remove_device', validateBodyMiddleware(removeModbusDeviceSchema), modbusController.removeSlaveDevice);
 apiRouter.post("/modbus/connect", modbusController.connect);
 apiRouter.post("/modbus/close", modbusController.close);
 apiRouter.get("/modbus/data_stream", modbusController.streamData);
+apiRouter.get('/modbus/status', modbusController.status);
 
 export { apiRouter };

scripts/db-init.script.js

@@ -2,7 +2,7 @@ import db from "#root/config/database.config.js";
 
 async function run() {
   try {
-    await db.migrate({ force: false });
+    await db.migrate({ force: true });
     console.log("Database initialized.");
   } catch (error) {
     console.error(error);

validators/index.js

@@ -16,3 +16,5 @@ export const appConfigSchema = object({
   mb_rtu_stop_bits: number().oneOf([1, 2]).when("mb_connection_type", requiredIfConnTypeEquals("RTU")),
   log_interval_ms: number().min(1000).required(),
 });
+
+export const removeModbusDeviceSchema = object({ id: number().max(255).min(1).required() })