Added increase/decrease of last done day of schedule

src/todo_app.rs

@@ -46,6 +46,20 @@ impl App {
         self.changed
     }
 
+    #[inline]
+    pub fn increase_day_done(&mut self) {
+        if let Some(mut todo) = self.mut_todo() {
+            todo.schedule.add_days_to_done_date(1)
+        }
+    }
+
+    #[inline]
+    pub fn decrease_day_done(&mut self) {
+        if let Some(mut todo) = self.mut_todo() {
+            todo.schedule.add_days_to_done_date(-1)
+        }
+    }
+
     #[inline]
     pub fn show_done(&self) -> bool {
         self.args.show_done

src/todo_app/todo_list/todo.rs

@@ -23,7 +23,7 @@ pub struct Todo {
     pub dependency: Dependency,
     done:bool,
     removed_names: Vec<String>,
-    schedule: Schedule,
+    pub schedule: Schedule,
 }
 
 impl Into<String> for &Todo {

src/todo_app/todo_list/todo/schedule.rs

@@ -84,7 +84,7 @@ impl Schedule {
         }
     }
 
-    fn last_save (&self) -> Duration {
+    fn last_save(&self) -> Duration {
         if let Some(done_date) = self.done_date {
             date::current() - done_date
         } else {
@@ -109,6 +109,14 @@ impl Schedule {
         }
     }
 
+    pub fn add_days_to_done_date(&mut self, days:i64) {
+        if let Some(date) = self.done_date {
+            if days <= self.last_save().num_days() {
+                self.done_date = Some(date+Duration::days(days));
+            }
+        }
+    }
+
     pub fn set_daily(&mut self) {
         self.set_day(1);
     }

src/tui_app.rs

@@ -329,6 +329,8 @@ impl<'a>TuiApp<'a>{
                     Char('!') => self.todo_app.toggle_show_done(),
                     Char('y') => self.todo_app.yank_todo(),
                     Char('p') => self.todo_app.paste_todo(),
+                    Char('i') => self.todo_app.increase_day_done(),
+                    Char('o') => self.todo_app.decrease_day_done(),
                     KeyCode::Down | Char('j') => self.todo_app.increment(),
                     KeyCode::Up |Char('k') => self.todo_app.decrement(),
                     KeyCode::Right | Char('l') => self.todo_app.add_dependency_traverse_down(),