Added save and load option

src/main.rs

@@ -1,78 +1,114 @@
-use std::vec;
+use std::fs;
 use std::io;
-struct Task{
+struct Task {
     name: String,
     priority: usize,
     description: String,
     done: bool,
 }
-impl Task{
+impl Task {
-    fn new(name: String, priority: usize, description: String)-> Task{
+    fn new(name: String, priority: usize, description: String) -> Task {
-        Task{name,priority,description, done: false}
+        Task {
+            name,
+            priority,
+            description,
+            done: false,
         }
-    fn display(&self){
+    }
-        println!("Tâche: {}.
+    fn display(&self) {
+        println!(
+            "Tâche: {}.
         Priorité: {}
-        Description: {}", self.name, self.priority,self.description)
+        Description: {}",
+            self.name, self.priority, self.description
+        )
     }
-    fn task_done(&mut self){
+    fn task_done(&mut self) {
-        if !self.done{
+        if !self.done {
             println!("La tâche {} à été effectué, bravo !", self.name);
             self.done = true;
-        }
+        } else {
-        else{
             println!("La tâche {} à déjà été effectué.", self.name);
         }
-        
-        
     }
-    
 }
-struct TodoList{
+struct TodoList {
     list_tasks: Vec<Task>,
 }
-impl TodoList{
+impl TodoList {
-    fn new()->TodoList{
+    fn new() -> TodoList {
-        TodoList { list_tasks: Vec::new() }
+        TodoList {
+            list_tasks: Vec::new(),
         }
-    fn create_task(&mut self,name: String, priority: usize, description: String){
+    }
+    fn create_task(&mut self, name: String, priority: usize, description: String) {
         let task = Task::new(name, priority, description);
         self.list_tasks.push(task);
     }
-    fn add(&mut self, task: Task){
+    fn delete(&mut self, number: usize) {
-        self.list_tasks.push(task);
-    }
-    fn delete(&mut self, number: usize){
         self.list_tasks.remove(number);
     }
-    fn list(&self){
+    fn list(&self) {
-        for (i,task) in self.list_tasks.iter().enumerate(){
+        for (i, task) in self.list_tasks.iter().enumerate() {
             println!("{}: {} - Priorité: {}", i, task.name, task.priority);
         }
     }
+    fn save(&self) {
+        let mut output = String::new();
+        for (i, task) in self.list_tasks.iter().enumerate() {
+            output.push_str(&format!(
+                "{},{},{},{}\n",
+                task.name, task.priority, task.description, task.done
+            ));
+        }
+        fs::write("tasks.txt", output).expect("Could not save");
+    }
+   fn load() -> TodoList {
+    match fs::read_to_string("tasks.txt") {
+        Ok(content) => {
+            let mut list = TodoList::new();
+            for line in content.lines() {
+                let parts: Vec<&str> = line.split(',').collect();
+                if parts.len() == 4 {
+                    let name = parts[0].to_string();
+                    let priority: usize = parts[1].parse().expect("Bad priority");
+                    let description = parts[2].to_string();
+                    let done: bool = parts[3].parse().expect("Bad done value");
+                    let mut task = Task::new(name, priority, description);
+                    task.done = done;
+                    list.list_tasks.push(task);
+                }
+            }
+            list
+        }
+        Err(_) => TodoList::new(),
+    }
+}
 }
-
-
 
 fn main() {
     println!("Bienvenue dans le menu de la ToDoList APP !");
-    let mut s1 = TodoList::new();
+    let mut s1 = TodoList::load();
 
-    loop{
+    loop {
         println!("\n--- ToDoList APP ---");
         println!("Voici la liste des tâches");
         s1.list();
-    println!("Vous pouvez; \n Pressez 1 pour créer une tâche.\n Pressez 2 pour supprimer une tâche \n Pressez 3 pour revoir la liste de tâche.\n Et écrire quit pour quitter l'application");
+        println!(
+            "Vous pouvez; \n Pressez 1 pour créer une tâche.\n Pressez 2 pour supprimer une tâche \n Pressez 3 pour revoir la liste de tâche.\n Et écrire quit pour quitter l'application"
+        );
         let mut input = String::new();
         io::stdin().read_line(&mut input).expect("Failed to read");
         let input = input.trim();
-    if(input=="1") {
+        if input == "1" {
             let mut input2 = String::new();
             println!("Créons une tâche, veuillez entrer: Le nom de la tâche");
             io::stdin().read_line(&mut input2).expect("Failed to read");
             let input2 = input2.trim();
             let TacheName = input2;
-        println!("Créons une tâche, veuillez entrer: la priorité de cette dernière (chiffre de 1 à 5)");
+            println!(
+                "Créons une tâche, veuillez entrer: la priorité de cette dernière (chiffre de 1 à 5)"
+            );
             let mut input3 = String::new();
             io::stdin().read_line(&mut input3).expect("Failed to read");
             let input3 = input3.trim();
@@ -82,11 +118,15 @@ fn main() {
             io::stdin().read_line(&mut input4).expect("Failed to read");
             let input4 = input4.trim();
             let description = input4;
-        s1.create_task(TacheName.to_string(), priority.trim().parse().expect("Not a number!"), description.to_string());
+            s1.create_task(
+                TacheName.to_string(),
+                priority.trim().parse().expect("Not a number!"),
+                description.to_string(),
+            );
             println!("La tâche à bien été crée !");
             s1.list();
         }
-    if(input=="2"){
+        if input == "2" {
             s1.list();
             println!("Veuillez choisir une tâche à supprimer");
             let mut input = String::new();
@@ -94,9 +134,12 @@ fn main() {
             let input = input.trim();
             s1.delete(input.trim().parse().expect("Not a number !"));
         }
-    if(input =="3"){
+        if input == "3" {
             s1.list();
         }
-        
+        if input == "quit" {
-}
+            s1.save();
+            break;
+        }
+    }
 }

tasks.txt

@@ -0,0 +1 @@
+EHEHEH,1,EHHEHEHEH,false