Now creates logs messages and files

Author: RIC217

Diff for: .gitignore

@@ -15,4 +15,5 @@ bin/
 .idea/
 .vscode/
 *.iml
-chat.db
+chat.db
+logs

Diff for: src/database_utils.v

@@ -41,7 +41,7 @@ fn (mut app App) get_account_by_id(id int) Account {
 
 fn (mut app App) account_exists(username string) bool {
 	if app.get_account_by_username(username) or {
-		eprintln(err)
+		app.info(err.msg())
 		return false
 	}.id == 0 {
 		return false

Diff for: src/main.v

@@ -3,6 +3,9 @@ module main
 import net.websocket
 import vweb
 import db.sqlite
+import log
+import time
+import os
 
 struct Account {
 	id int [nonnull; primary]
@@ -18,6 +21,7 @@ struct App {
 pub mut:
 	title string
 	db    sqlite.DB
+	logger log.Log
 }
 
 const (
@@ -27,7 +31,36 @@ const (
 )
 
 pub fn (mut app App) before_request() {
-	println('New vweb connection from ${app.ip()} : ${app.req.method} ${app.req.url}')
+	app.info('New vweb connection from ${app.ip()} : ${app.req.method} ${app.req.url}')
+}
+
+fn (mut app App) setup_logger() {
+	if !os.exists("logs") {
+		os.mkdir("logs") or {
+			app.info("Cannot create log directory `logs`")
+		}
+	}
+
+	app.logger.set_level(.debug)
+
+	app.logger.set_full_logpath("./logs/log_${time.now().ymmdd()}")
+	app.logger.log_to_console_too()
+}
+
+fn (mut app App) info(msg string) {
+	app.logger.info(msg)
+
+	app.logger.flush()
+}
+
+fn (mut app App) warn(msg string) {
+	app.logger.warn(msg)
+
+	app.logger.flush()
+}
+
+fn (mut app App) fatal(msg string) {
+	app.logger.fatal(msg)
 }
 
 fn main() {
@@ -36,20 +69,28 @@ fn main() {
 		title: 'Chat'
 	}
 
+	app.setup_logger()
+
+	defer {
+		app.logger.close()
+	}
+
 	app.init_databases()
 
 	spawn vweb.run(app, port)
 
-	websocket_server.on_connect(client_connected) or { panic(err) }
+	websocket_server.on_connect(app.client_connected) or {
+		app.fatal(err.msg())
+	}
 
 	websocket_server.on_message(message_received)
 
-	websocket_server.listen() or { panic('Error while listening : ${err}') }
+	websocket_server.listen() or { app.fatal('Error while listening : ${err}') }
 }
 
-fn client_connected(mut c websocket.ServerClient) !bool {
+fn (mut app App) client_connected(mut c websocket.ServerClient) !bool {
 	if c.resource_name == '/' {
-		println('New websocket connection : ${c.client.conn.peer_addr()!}')
+		app.info('New websocket connection : ${c.client.conn.peer_addr()!}')
 		return true
 	}
 	return false

Diff for: src/routes.v

@@ -19,7 +19,7 @@ pub fn (mut app App) page_login() vweb.Result {
 ['/login'; post]
 pub fn (mut app App) post_login(username string, password string) vweb.Result {
 	account := app.get_account_by_username(username) or {
-		eprintln(err)
+		app.info(err.msg())
 		return app.redirect('/login?err=This should never happen, please report this issue on Github !')
 	}
 	if account.id == 0 {