Improve alsa usage

- added command handler to check devices

Client/discord-bot/utilities/executeConsoleCommands.js

@@ -0,0 +1,49 @@
+// Modules
+import { promisify } from 'util';
+import { exec } from "child_process";
+// Debug
+import ModuleDebugBuilder from "../utilities/moduleDebugBuilder.js";
+// Global Vars
+const log = new ModuleDebugBuilder("bot", "executeConsoleCommand");
+const execCommand = promisify(exec);
+
+
+export default async function executeAsyncConsoleCommand(consoleCommand) {
+    // Check to see if the command is a real command
+    // TODO needs to be improved
+    const acceptableCommands = [ "arecord -L" ];
+    if (!acceptableCommands.includes(consoleCommand)) {
+        log.WARN("Console command is not acceptable: ", consoleCommand);        
+        return undefined;
+    }
+    log.DEBUG("Running console command: ", consoleCommand);
+
+    const tempOutput = await execCommand(consoleCommand);
+    const output = tempOutput.stdout.trim();
+
+    log.DEBUG("Executed Console Command Response: ", output)
+
+    // TODO add some error checking
+    return output;
+}
+
+export async function returnAlsaDeviceObject() {
+    const listAlsaDevicesCommand = "arecord -L";
+    const commandResponse = await executeAsyncConsoleCommand(listAlsaDevicesCommand);
+    const brokenCommand = String(commandResponse).split('\n');
+    var devices = [];
+    var i = 0;
+    
+    for (const responseLine of brokenCommand) {
+        if (!String(responseLine).match(/^\s/g)) {
+            const tempDevice = {
+                id: i,
+                name: responseLine
+            }
+            devices.push(tempDevice);
+            i += 1;
+        }
+    }    
+
+    return devices;
+}