Can now reload kara list from DB

Makefile

@@ -6,3 +6,8 @@ prepare:
 
 run:
 	$(YARN) start --no-sandbox
+
+debug:
+	$(YARN) test --no-sandbox
+
+.PHONY: test debug run prepare

common/db.js

@@ -58,7 +58,30 @@ class KaraDatabase {
             return new Promise(resolv => {
                 db.all(__sqlQuery, [`%${queryString}%`, queryString], (err, rows) => {
                     if (err) {
-                        logger.log("error", err);
+                        logger.error(err);
+                        throw err;
+                    }
+                    rows.forEach((row) => { __ret.push(row); });
+                    resolv(__ret);
+                });
+            });
+        };
+
+        return __getRecords(this.m_db);
+    }
+
+    /* List all the kara in the db.
+     * => a promize, callback with [(id: Int, string: String, cat: String, type: String)] */
+    all() {
+        var __ret      = [];
+        let __sqlQuery = `SELECT id, string, category AS cat, (song_type || song_number) AS type
+                          FROM kara;`;
+
+        function __getRecords(db) {
+            return new Promise(resolv => {
+                db.all(__sqlQuery, [], (err, rows) => {
+                    if (err) {
+                        logger.error(err);
                         throw err;
                     }
                     rows.forEach((row) => { __ret.push(row); });

instance/main.js

 const { ipcRenderer } = require('electron');
 const logger          = require('../common/logger.js');
 
-const karaJSON = require('../test/dummyKara.json');
 const buttonList = [
+    [ "left",   "Reload",           "reloadDb"    ],
     [ "left",   "Play",             "commandPlay" ],
     [ "left",   "Stop",             "commandStop" ],
-    [ "right",  "Quit LektorApp",   "closeButton" ]
+    [ "right",  "Quit LektorApp",   "closeButton" ],
 ];
 
+const karaJSON = require('../test/dummyKara.json');
+
 window.onload = () => {
     createButtonList(buttonList);
-    karaList(karaJSON);
+    // karaList(karaJSON);
 
     document.getElementById("closeButton").addEventListener('click', () => {
         ipcRenderer.send('close-app')
     });
     document.getElementById("commandPlay").addEventListener('click', () => {
         logger.debug("Command play !");
+        ipcRenderer.send('cmd-play', null);
+    });
+    document.getElementById("commandStop").addEventListener('click', () => {
+        logger.debug("Command stop !");
+        ipcRenderer.send("cmd-stop", null);
+    });
+    document.getElementById("reloadDb").addEventListener("click", () => {
+        ipcRenderer.send("reload-db-request", document.getElementById("buttonPanelListLeft").innerHTML);
     });
 
     logger.debug("Window loaded");
-}
+};
 
 function createButtonList(list) {
     var renderHtmlLeft  = "";
@@ -43,6 +53,11 @@ function createButtonList(list) {
     document.getElementById("buttonPanelListLeft").innerHTML = renderHtmlLeft + renderHtmlRight;
 }
 
+ipcRenderer.on("reload-db-responce", (event, arg) => {
+    logger.debug(`Web page got reload-db`);
+    document.getElementById("panelLeft").innerHTML = arg;
+});
+
 function karaList(karas) {
     var karaList = "";
     var playingList = "";

main.js

@@ -3,19 +3,26 @@ const electron               = require('electron')
 const { app, BrowserWindow } = require('electron')
 const { ipcMain }            = require('electron')
 const { fork, spawn }        = require('child_process');
-const fs					 = require("fs");
-var tail   					 = require('tail').Tail;
-var client;		/* Sub process for the express server */
+const fs                     = require("fs");
+const db                     = require.main.require("./common/db.js");
+const lkt                    = require.main.require("./common/lkt.js");
+var tail                     = require('tail').Tail;
+var client; /* Sub process for the express server */
+
+var myDb = new db("/home/kara/kara.db");
+
+/**********************
+ * Reinit the logfile *
+ **********************/
 
-/* Reinit the logfile */
 fs.truncate(logger.logfile, 0, () => {});
 var tail = new tail(logger.logfile);
+tail.on("line", function(data) { console.log(data); });
 
-tail.on("line", function(data) {
-    console.log(data);
-});
+/***************************************************************
+ * Creates the main window and process for the admin interface *
+ ***************************************************************/
 
-/* Creates the main window and process for the admin interface */
 function createInstanceWindow () {
     const win = new BrowserWindow({
         width: 1280,
@@ -30,18 +37,50 @@ function createInstanceWindow () {
     // win.webContents.openDevTools();
 }
 
+/******************************
+ * The end of the application *
+ ******************************/
+
 ipcMain.on('close-app', (evt, arg) => {
     app.quit()
 })
 
 app.on("quit", () => {
-	logger.info("Send SIGTERM to express process and tailler process");
+    logger.info("Send SIGTERM to express process and tailler process");
     client.kill("SIGTERM");
 });
 
+/*********************************
+ * The beggin of the application *
+ *********************************/
+
 app.on('ready', () => {
     logger.info("Main window is ready");
     createInstanceWindow();
     client = fork('client/main.js');
 });
 
+/*********************************
+ * Messages from the main window *
+ *********************************/
+
+ipcMain.on("cmd-play", (event, arg) => {
+    logger.debug(`${event}: ${arg}`);
+});
+ipcMain.on("cmd-stop", (event, arg) => {
+    logger.debug(`${event}: ${arg}`);
+});
+
+/* Fill the pannel with the content of the DB.
+ * The `arg` is the HTML object of the pannel */
+ipcMain.on("reload-db-request", (event, arg) => {
+    logger.info("Reloading the left panel with all the DB");
+    myDb.all().then( karas => {
+        var karaList = "";
+        karas.forEach( kara => {
+            karaList += `<div class="card shadow" style="margin: 5px; border-radius: 10px; margin: 20px 0px 20px 0px;">
+                         <div class="card-body">${kara.string} </div></div>`;
+        });
+        event.reply("reload-db-responce", karaList);
+    });
+});

package.json

@@ -12,7 +12,7 @@
   "license": "ISC",
   "scripts": {
     "start": "electron .",
-    "test": "ELECTRON_ENABLE_LOGGING=0 ELECTRON_NO_ATTACH_CONSOLE=true electron ."
+    "test": "ELECTRON_ENABLE_LOGGING=0 ELECTRON_NO_ATTACH_CONSOLE=true electron --trace-uncaught ."
   },
   "dependencies": {
     "ejs": "^3.1.5",