From ba044c9e6d8d95f828ef139744b56f1c410b4de3 Mon Sep 17 00:00:00 2001
From: Ruben Meyer <46384706+rxbnDE@users.noreply.github.com>
Date: Sun, 8 Sep 2019 19:41:51 +0200
Subject: [PATCH] log module with no-cli fallback

---
 bin/logs/module.js | 96 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 bin/logs/module.js

diff --git a/bin/logs/module.js b/bin/logs/module.js
new file mode 100644
index 0000000..9481c5c
--- /dev/null
+++ b/bin/logs/module.js
@@ -0,0 +1,96 @@
+var methods = {};
+let fs = require('fs');
+let util = require('util');
+
+
+// save new line to file
+newLine = (prefix, obj) => {
+	let date = new Date(); // current date
+	let filename = global['gds'].cfg.log.filename(); // filename
+	let dir = global['gds'].cfg.log.directory(); // directory
+	let path = dir + filename; // filepath
+	let fs_options = { // fs options for encoding, file mode and file flag
+		encoding: "utf8",
+		flag: "a+" // Open file for reading and appending. The file is created if it does not exist.
+	};
+	let date_string =
+		("0" + date.getUTCHours()).slice(-2) + ":" +
+		("0" + date.getUTCMinutes()).slice(-2) + ":" +
+		("0" + date.getUTCSeconds()).slice(-2);
+
+	// directory not existing; create directory
+	if(!fs.existsSync(dir)) {
+		fs.mkdir(dir, (err) => {
+			if(err) throw err;
+		});
+	}
+
+
+	// type matching
+	if(
+		typeof obj == "string" ||
+		typeof obj == "number" ||
+		typeof obj == "boolean"
+	) fs.appendFileSync(path, prefix + " " + date_string + " | " + obj + "\n", fs_options);
+	else
+	if(typeof obj == "object") {
+		let lines = JSON.stringify(obj, null, '\t'); // prettyprint obj as JSON
+		lines.split(/\r?\n/).forEach((line) => { // for each linebreak (\r | \n)
+			fs.appendFileSync(path, prefix + " " + date_string + " | " + line + "\n", fs_options);
+		});
+	} else {
+		// do nothing; not supported
+		// typeof obj == "symbol"
+		// typeof obj == "undefined"
+		// typeof obj == "function"
+	}
+};
+
+fallback = (fn, ...data) => {
+	if(data.length == 1) data = data[0];
+
+	fn.apply(null, data);
+}
+
+
+// LOG | INFO
+methods.log = (...data) => {
+	if(global['modules'].cli) global['modules'].cli.log.apply(global['modules'].cli, data);
+	else fallback(console.log, data);
+
+	if(data.length == 1) data = data[0];
+	newLine("  [LOG]", data);
+};
+methods.info = methods.log;
+
+// WARNING
+methods.warn = (...data) => {
+	if(global['modules'].cli) global['modules'].cli.log.apply(global['modules'].cli, data);
+	else fallback(console.warn, data);
+
+	if(data.length == 1) data = data[0];
+	newLine(" [WARN]", data);
+};
+
+// ERROR
+methods.error = (...data) => {
+	if(global['modules'].cli) global['modules'].cli.log.apply(global['modules'].cli, data);
+	else fallback(console.error, data);
+
+	if(data.length == 1) data = data[0];
+	newLine("[ERROR]", data);
+};
+methods.err = methods.error;
+
+// DEBUG
+methods.debug = (...data) => {
+	if(global['gds'].debug) {
+		if(global['modules'].cli) global['modules'].cli.log.apply(global['modules'].cli, data);
+		else fallback(console.log, data);
+
+		if(data.length == 1) data = data[0];
+		newLine("[DEBUG]", data);
+	}
+};
+
+module.exports = methods;