Added possibility to load multiple .toml files at once

.gitignore

@@ -6,4 +6,4 @@
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
-questions.toml
+questions*.toml

Cargo.toml

@@ -2,7 +2,7 @@
 name = "flashcards"
 version = "0.1.0"
 authors = ["Wynd <wyndmaster@gmail.com>"]
-edition = "2021"
+edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

Dioxus.toml

@@ -19,3 +19,7 @@ script = []
 	# Javascript code file
 	# serve: [dev-server] only
 	script = []
+
+[bundle]
+identifier = "xyz.pixelatedw.flashcards"
+publisher = "PixelatedW"

rust-toolchain.toml

@@ -0,0 +1,2 @@
+[toolchain]
+channel = "1.85"

src/main.rs

@@ -1,4 +1,4 @@
-use std::{sync::LazyLock, time::Duration};
+use std::{env, sync::OnceLock, time::Duration};
 
 use dioxus::{
 	desktop::{Config, LogicalSize, WindowBuilder},
@@ -9,16 +9,48 @@ use rand::seq::SliceRandom;
 
 mod models;
 
+const DEFAULT_FILE: &str = "questions.toml";
 const MAIN_CSS: Asset = asset!("/assets/main.css");
 
-pub static QUESTIONS: LazyLock<Questions> = LazyLock::new(|| {
-	let questions_str = std::fs::read_to_string("questions.toml").unwrap();
-	let questions: Questions = toml::from_str(&questions_str).unwrap();
-	questions
-});
+pub static QUESTIONS: OnceLock<Questions> = OnceLock::new();
 
-fn get_questions() -> Vec<Question> {
-	let mut questions = QUESTIONS.questions.clone();
+fn get_questions() -> Questions {
+	QUESTIONS
+		.get_or_init(|| {
+			let args: Vec<String> = env::args().collect();
+			let file_name = args.get(1).map(|x| x.as_str()).unwrap_or(DEFAULT_FILE);
+
+			let questions_str = std::fs::read_to_string(file_name)
+				.unwrap_or_else(|_| panic!("Could not read from file {file_name}"));
+			let mut questions: Questions =
+				toml::from_str(&questions_str).expect("Could not decode the given file as TOML");
+
+			if args.len() > 2 {
+				for i in 2..args.len() {
+					let file_name = args.get(i).map(|x| x.as_str());
+					let Some(file_name) = file_name else {
+						continue;
+					};
+
+					let Ok(questions_str) = std::fs::read_to_string(file_name) else {
+						continue;
+					};
+
+					let Ok(other_questions) = toml::from_str(&questions_str) else {
+						continue;
+					};
+
+					questions += other_questions;
+				}
+			}
+
+			questions
+		})
+		.clone()
+}
+
+fn get_rand_questions() -> Vec<Question> {
+	let mut questions = get_questions().questions;
 	let mut rng = rand::rng();
 
 	// Randomize the answers
@@ -55,7 +87,7 @@ fn App() -> Element {
 
 #[component]
 pub fn QuestionForm() -> Element {
-	let mut questions = use_signal(get_questions);
+	let mut questions = use_signal(get_rand_questions);
 	let mut current = use_signal(move || questions.remove(0));
 
 	let total_correct = use_memo(move || {
@@ -82,7 +114,7 @@ pub fn QuestionForm() -> Element {
 		correctly_checked.saturating_sub(incorrectly_checked)
 	});
 
-	let total_questions = QUESTIONS.len();
+	let total_questions = get_questions().len();
 	let current_question = use_memo(move || questions().len());
 	let left_questions = use_memo(move || total_questions - current_question());
 	let mut correct_questions = use_signal(|| 0);
@@ -116,7 +148,7 @@ pub fn QuestionForm() -> Element {
 						*wrong_questions_lock += 1;
 					}
 				} else {
-					questions.set(get_questions());
+					questions.set(get_rand_questions());
 					current.set(questions.remove(0));
 
 					*correct_questions_lock = 0;

src/models.rs

@@ -1,12 +1,18 @@
-use std::ops::{Deref, DerefMut};
+use std::ops::{AddAssign, Deref, DerefMut};
 
 use serde::Deserialize;
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct Questions {
 	pub questions: Vec<Question>,
 }
 
+impl AddAssign for Questions {
+	fn add_assign(&mut self, rhs: Self) {
+		self.extend(rhs.questions)
+	}
+}
+
 impl Deref for Questions {
 	type Target = Vec<Question>;