init

client/index.ts

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+import debounce from 'just-debounce-it';
+import { watch } from 'node:fs';
+import { stat, readFile, writeFile } from 'node:fs/promises';
+import { join } from 'node:path';
+import readline from 'node:readline/promises';
+import { parse } from 'ini';
+import MDBReader from 'mdb-reader';
+import { diff } from 'just-diff';
+
+const rl = readline.createInterface({
+	input: process.stdin,
+	output: process.stdout
+});
+
+async function promptToClose(message: string) {
+	await rl.question(`== ${message}\n== Press enter to quit.`);
+	process.exit(0);
+}
+
+// Check for config.ini file
+const configPath = join(process.cwd(), 'config.ini');
+try {
+	const configStat = await stat(configPath);
+	if (configStat.isDirectory()) await promptToClose('The config file must be a file.');
+} catch (e) {
+	await writeFile(configPath, [
+		'; The database file to upload, defaults to C:\\Users\\<user>\\Documents\\Affirmatech\\N3FJP Software\\ARRL-Field-Day\\LogData.mdb',
+		`; database_file = "${process.env.USERNAME ? `C:\\Users\\${process.env.USERNAME}\\Documents\\Affirmatech\\N3FJP Software\\ARRL-Field-Day\\LogData.mdb` : ''}"`,
+		'',
+		'; The endpoint to upload to',
+		'log_endpoint = "https://example.local/up"'
+	].join('\n'))
+	await promptToClose('Failed to find config file. A new one was created, so put in your variables in there.');
+}
+
+let databaseFile: string;
+let logEndpoint: string;
+try {
+	const config = parse(await readFile(configPath, { encoding: 'utf-8' }));
+	databaseFile = config.database_file;
+	logEndpoint = config.log_endpoint;
+	if (!logEndpoint) await promptToClose('A log endpoint is required in the config file.');
+} catch (e) {
+	databaseFile = '';
+	await promptToClose('Failed to parse config file. You can remove the file and re-run this program if more problems occur.');
+}
+
+const dbPath = databaseFile ?? process.env.USERNAME ? join('C:/Users', process.env.USERNAME!, 'Documents/Affirmatech/N3FJP Software/ARRL-Field-Day/LogData.mdb') : '';
+
+// Check for log file
+try {
+	if (!dbPath) await promptToClose('A log path is needed to use this program.');
+	const fileStat = await stat(dbPath);
+	if (fileStat.isDirectory()) await promptToClose('The log path must point to a file.');
+	console.log(`\n== Following changes for the file "${dbPath}"\n== Ctrl-C to exit.\n`);
+} catch (e) {
+	await promptToClose(`Failed to find log file at "${dbPath}"`);
+}
+
+// Upload logic
+let lastData: Record<string, any> = {};
+async function _upload() {
+	console.log('-- Reading log...');
+	const reader = new MDBReader(await readFile(dbPath));
+	if (!reader.getTableNames().includes('tblContacts'))
+		return console.log('!! No "tblContacts" table present.');
+
+	const table = reader.getTable("tblContacts");
+	const tableData = table.getData<Record<string, string>>();
+
+	const data = tableData.reduce((p, r) => ({ ...p, [r.fldPrimaryKey]: r }), {} as Record<string, any>);
+	const differences = diff(lastData, data);
+	const changedIds = [...new Set(differences.filter((r) => r.op !== 'remove').map((r) => r.path[0]))];
+	const changedRows = changedIds.map((id) => data[id]);
+
+	if (changedIds.length === 0) return void console.log('-- No changes found.');
+
+	console.log(`-> Uploading ${changedIds.length.toLocaleString()} row(s)...`);
+	const response = await fetch(logEndpoint, {
+		method: 'POST',
+		body: JSON.stringify(changedRows),
+		headers: {
+			'Content-Type': 'application/json'
+		}
+	});
+	console.log(`<- Recieved ${response.status} (${response.statusText})`);
+	if (response.status === 200) lastData = data;
+}
+
+const upload = debounce(_upload, 250);
+
+const watcher = watch(dbPath, (event, filename) => {
+	if (event === 'rename') return void console.log(`== ${filename} was renamed, something might break`);
+	upload();
+});
+
+process.on("SIGINT", () => {
+	// close watcher when Ctrl-C is pressed
+	console.log('\n== Closing watcher...');
+	watcher.close();
+
+	process.exit(0);
+});
+rl.close();
+
+// "Upload first" option
+if (process.argv[2] === '--upload') _upload();

client/package.json

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+{
+  "name": "fdlogup-client",
+  "module": "index.ts",
+  "type": "module",
+  "scripts": {
+    "exe": "bun build --compile --target=bun-windows-x64 ./index.ts --minify --outfile fdlogup-client",
+    "start": "bun run ./index.ts"
+  },
+  "devDependencies": {
+    "@types/bun": "latest",
+    "@types/ini": "^4.1.1"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  },
+  "dependencies": {
+    "ini": "^4.1.3",
+    "just-debounce-it": "^3.2.0",
+    "just-diff": "^6.0.2",
+    "mdb-reader": "^3.0.0"
+  }
+}

client/tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext", "DOM"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}