setup main project layout

Co-authored-by: Clément Rehs <clement.rehs@epita.fr>

src/lib/config.rs

@@ -0,0 +1,13 @@
+///
+/// Encapsulate a configuration for the server
+///
+pub struct Configuration {
+	pub path: String, //
+}
+
+impl Configuration {
+	/// try to read the configuration from local file or load default
+	pub fn read() -> Self {
+		todo!()
+	}
+}

src/lib/database.rs

@@ -0,0 +1,15 @@
+use super::config::Configuration;
+
+///
+/// handle the database access
+///
+pub struct DbManager {
+	//
+}
+
+impl DbManager {
+	/// constructor
+	pub fn new(_config: &Configuration) -> Self {
+		todo!()
+	}
+}

src/lib/harsh.rs

@@ -0,0 +1,14 @@
+use super::config::Configuration;
+use super::database::DbManager;
+use super::http::serve;
+use super::log::Logger;
+
+///
+/// main function
+///
+pub fn main() {
+	let configuration = Configuration::read();
+	Logger::configure(&configuration);
+	let mut db_manager = DbManager::new(&configuration);
+	serve(&configuration, &mut db_manager);
+}

src/lib/http.rs

@@ -0,0 +1,9 @@
+use super::config::Configuration;
+use super::database::DbManager;
+
+///
+/// listen for and handle received requests
+///
+pub fn serve(_config: &Configuration, _db_manager: &mut DbManager) {
+	todo!()
+}

src/lib/log.rs

@@ -0,0 +1,59 @@
+use std::cell::RefCell;
+
+use super::config::Configuration;
+use chrono::prelude::*;
+use colored::Colorize;
+
+///
+/// a static custom logger
+///
+pub struct Logger {
+	//
+}
+
+/// static Logger instance
+pub const LOGGER: RefCell<Logger> = RefCell::new(Logger {});
+
+impl Logger {
+	/// adapt the static instance according to parameters specified by the configuration
+	pub fn configure(_config: &Configuration) {
+		let refcell = LOGGER;
+		let _logger = refcell.try_borrow_mut().unwrap();
+		todo!()
+	}
+
+	fn log_info(&self, msg: String) {
+		let tag_section = "[info]".blue();
+		println!("{} {} {}", time_section(), tag_section, msg);
+	}
+
+	fn log_warn(&self, msg: String) {
+		let tag_section = "[warn]".yellow();
+		println!("{} {} {}", time_section(), tag_section, msg);
+	}
+
+	fn log_fail(&self, msg: String) {
+		let tag_section = "[fail]".red();
+		println!("{} {} {}", time_section(), tag_section, msg);
+	}
+}
+
+fn time_section() -> String {
+	let now = Local::now();
+	let result = now.format("[%Y.%m.%d-%H:%M:%S]").to_string();
+	result
+}
+
+pub mod shorthands {
+	pub fn log_info(msg: String) {
+		super::LOGGER.try_borrow().unwrap().log_info(msg);
+	}
+
+	pub fn log_warn(msg: String) {
+		super::LOGGER.try_borrow().unwrap().log_warn(msg);
+	}
+
+	pub fn log_fail(msg: String) {
+		super::LOGGER.try_borrow().unwrap().log_fail(msg);
+	}
+}

src/lib/mod.rs

@@ -0,0 +1,5 @@
+pub mod config;
+pub mod database;
+pub mod harsh;
+pub mod http;
+pub mod log;

src/main.rs

@@ -1,3 +1,6 @@
-fn main() {
-    println!("Hello, harmony!");
+pub mod lib;
+
+pub fn main() {
+	println!("Hello, harmony!");
+	lib::harsh::main();
 }