WIP Refactoring methods: Move everything into app.rs

src/app.rs

@@ -59,7 +59,7 @@ pub struct State<'a> {
     pub task_edit_state: Option<TaskState<'a>>,
 }
 
-impl State<'_> {
+impl<'a> State<'a> {
     /// Creates a new [`State`].
     ///
     /// # Panics
@@ -90,11 +90,13 @@ impl State<'_> {
 
     pub fn select_previous_column(&mut self) -> &Column {
         self.selected_column_idx = self.selected_column_idx.saturating_sub(1);
+        self.db_conn.set_selected_column(self.selected_column_idx);
         &self.columns[self.selected_column_idx]
     }
 
     pub fn select_next_column(&mut self) -> &Column {
         self.selected_column_idx = min(self.selected_column_idx + 1, self.columns.len() - 1);
+        self.db_conn.set_selected_column(self.selected_column_idx);
         &self.columns[self.selected_column_idx]
     }
 
@@ -109,7 +111,7 @@ impl State<'_> {
         };
         if cond && !column.tasks.is_empty() {
             let t = column.tasks.remove(column.selected_task_idx);
-            column.select_previous_task();
+            self.select_previous_task();
             if move_next {
                 self.select_next_column();
             } else {
@@ -117,10 +119,75 @@ impl State<'_> {
             }
             let col = self.get_selected_column_mut();
             col.tasks.push(t);
-            col.select_last_task();
+            self.select_last_task();
         }
     }
 
+    #[must_use]
+    pub fn get_selected_task(&self) -> Option<&Task> {
+        let column = self.get_selected_column();
+        column.tasks.get(column.selected_task_idx)
+    }
+
+    #[must_use]
+    pub fn get_previous_task(&self) -> Option<&Task> {
+        let column = self.get_selected_column();
+        column.tasks.get(column.selected_task_idx - 1)
+    }
+
+    #[must_use]
+    pub fn get_next_task(&self) -> Option<&Task> {
+        let column = self.get_selected_column();
+        column.tasks.get(column.selected_task_idx + 1)
+    }
+
+    pub fn get_selected_task_mut(&mut self) -> Option<&mut Task> {
+        let column = self.get_selected_column_mut();
+        column.tasks.get_mut(column.selected_task_idx)
+    }
+
+    pub fn select_previous_task(&mut self) {
+        let column = self.get_selected_column_mut();
+        let task_idx = &mut column.selected_task_idx;
+        *task_idx = task_idx.saturating_sub(1);
+        let task_idx = column.selected_task_idx;
+        let col_id = self.get_selected_column().id;
+        self.db_conn.set_selected_task_for_column(task_idx, col_id);
+    }
+
+    pub fn select_next_task(&mut self) {
+        let column = self.get_selected_column_mut();
+        let task_idx = &mut column.selected_task_idx;
+        *task_idx = min(*task_idx + 1, column.tasks.len().saturating_sub(1));
+        let task_idx = self.get_selected_column().selected_task_idx;
+        let col_id = self.get_selected_column().id;
+        self.db_conn.set_selected_task_for_column(task_idx, col_id);
+    }
+
+    pub fn select_first_task(&mut self) {
+        self.get_selected_column_mut().selected_task_idx = 0;
+        let task_idx = self.get_selected_column().selected_task_idx;
+        let col_id = self.get_selected_column().id;
+        self.db_conn.set_selected_task_for_column(task_idx, col_id);
+    }
+
+    pub fn select_last_task(&mut self) {
+        let column = self.get_selected_column_mut();
+        column.selected_task_idx = column.tasks.len().saturating_sub(1);
+        let task_idx = column.selected_task_idx;
+        let col_id = self.get_selected_column().id;
+        self.db_conn.set_selected_task_for_column(task_idx, col_id);
+    }
+
+    #[must_use]
+    pub fn get_task_state_from_current(&self) -> Option<TaskState<'a>> {
+        self.get_selected_task().map(|t| TaskState {
+            title: TextArea::from(t.title.lines()),
+            description: TextArea::from(t.description.lines()),
+            focus: TaskEditFocus::Title,
+            is_edit: true,
+        })
+    }
     /// Returns the move task up of this [`State`].
     ///
     /// # Panics
@@ -129,10 +196,12 @@ impl State<'_> {
     pub fn move_task_up(&mut self) -> bool {
         let column = self.get_selected_column_mut();
         if column.selected_task_idx > 0 {
-            column.tasks.swap(column.selected_task_idx, column.selected_task_idx - 1);
+            column
+                .tasks
+                .swap(column.selected_task_idx, column.selected_task_idx - 1);
             column.selected_task_idx -= 1;
-            let task1_id = column.get_selected_task().unwrap().id;
+            let task1_id = self.get_selected_task().unwrap().id;
-            let task2_id = column.get_next_task().unwrap().id;
+            let task2_id = self.get_next_task().unwrap().id;
             let col_id = column.id;
             let task_idx = column.selected_task_idx;
             self.db_conn.swap_task_order(task1_id, task2_id);
@@ -154,8 +223,8 @@ impl State<'_> {
             let task_idx = column.selected_task_idx;
             column.tasks.swap(task_idx, task_idx + 1);
             column.selected_task_idx += 1;
-            let task1_id = column.get_selected_task().unwrap().id;
+            let task1_id = self.get_selected_task().unwrap().id;
-            let task2_id = column.get_previous_task().unwrap().id;
+            let task2_id = self.get_previous_task().unwrap().id;
             let col_id = column.id;
             self.db_conn.swap_task_order(task1_id, task2_id);
             self.db_conn.set_selected_task_for_column(task_idx, col_id);
@@ -172,12 +241,15 @@ impl State<'_> {
     /// We have conditions to ensure this doesn't panic but we still unwrap()
     pub fn move_task_previous_column(&mut self) {
         let first_col = self.get_selected_column_mut();
+        if first_col.tasks.is_empty() {
+            return;
+        }
         let task_idx = first_col.selected_task_idx.saturating_sub(1);
         let col_id = first_col.id;
         self.db_conn.set_selected_task_for_column(task_idx, col_id);
         self.move_task_to_column(false);
         self.db_conn.move_task_to_column(
-            self.get_selected_column().get_selected_task().unwrap(),
+            self.get_selected_task().unwrap(),
             self.get_selected_column(),
         );
         self.db_conn.set_selected_column(self.selected_column_idx);
@@ -190,17 +262,40 @@ impl State<'_> {
     /// We have conditions to ensure this doesn't panic but we still unwrap()
     pub fn move_task_next_column(&mut self) {
         let first_col = self.get_selected_column_mut();
+        if first_col.tasks.is_empty() {
+            return;
+        }
         let task_idx = first_col.selected_task_idx.saturating_sub(1);
         let col_id = first_col.id;
         self.db_conn.set_selected_task_for_column(task_idx, col_id);
         self.move_task_to_column(true);
         self.db_conn.move_task_to_column(
-            self.get_selected_column().get_selected_task().unwrap(),
+            self.get_selected_task().unwrap(),
             self.get_selected_column(),
         );
         self.db_conn.set_selected_column(self.selected_column_idx);
     }
 
+    pub fn add_new_task(&mut self, title: String, description: String) {
+        let column = self.get_selected_column_mut();
+        let selected_task_idx = column.selected_task_idx;
+        let task = self.db_conn.insert_new_task(title, description, column.id);
+        column.tasks.push(task);
+        self.select_last_task();
+        self.db_conn
+            .set_selected_task_for_column(selected_task_idx, column.id);
+    }
+
+    pub fn edit_task(&mut self, title: String, description: String) {
+        let _column = self.get_selected_column_mut();
+        if let Some(selected_task) = self.get_selected_task_mut() {
+            selected_task.title = title;
+            selected_task.description = description;
+            let cloned = selected_task.clone();
+            self.db_conn.update_task_text(&cloned);
+        }
+    }
+
     /// Returns the delete task of this [`State`].
     ///
     /// # Panics
@@ -208,70 +303,15 @@ impl State<'_> {
     /// We have conditions to ensure this doesn't panic but we still unwrap()
     pub fn delete_task(&mut self) {
         let column = self.get_selected_column_mut();
-        let task_id = column.get_selected_task().unwrap().id;
+        if column.tasks.is_empty() {
-        column.remove_task();
+            return
+        }
+        let task_id = self.get_selected_task().unwrap().id;
+        column.tasks.remove(column.selected_task_idx);
+        self.select_next_task();
         let task_idx = column.selected_task_idx;
         let col_id = self.get_selected_column().id;
         self.db_conn.delete_task(task_id);
         self.db_conn.set_selected_task_for_column(task_idx, col_id);
     }
 }
-
-impl<'a> Column {
-    pub fn add_task(&mut self, task: Task) {
-        self.tasks.push(task);
-        self.select_last_task();
-    }
-
-    pub fn remove_task(&mut self) {
-        self.tasks.remove(self.selected_task_idx);
-        self.select_next_task();
-    }
-
-    #[must_use]
-    pub fn get_selected_task(&self) -> Option<&Task> {
-        self.tasks.get(self.selected_task_idx)
-    }
-
-    #[must_use]
-    pub fn get_previous_task(&self) -> Option<&Task> {
-        self.tasks.get(self.selected_task_idx - 1)
-    }
-
-    #[must_use]
-    pub fn get_next_task(&self) -> Option<&Task> {
-        self.tasks.get(self.selected_task_idx + 1)
-    }
-
-    pub fn get_selected_task_mut(&mut self) -> Option<&mut Task> {
-        self.tasks.get_mut(self.selected_task_idx)
-    }
-
-    pub fn select_previous_task(&mut self) {
-        let task_idx = &mut self.selected_task_idx;
-        *task_idx = task_idx.saturating_sub(1);
-    }
-
-    pub fn select_next_task(&mut self) {
-        let task_idx = &mut self.selected_task_idx;
-        *task_idx = min(*task_idx + 1, self.tasks.len().saturating_sub(1));
-    }
-
-    pub fn select_first_task(&mut self) {
-        self.selected_task_idx = 0;
-    }
-
-    pub fn select_last_task(&mut self) {
-        self.selected_task_idx = self.tasks.len().saturating_sub(1);
-    }
-
-    #[must_use]
-    pub fn get_task_state_from_current(&self) -> Option<TaskState<'a>> {
-        self.get_selected_task().map(|t| TaskState {
-            title: TextArea::from(t.title.lines()),
-            description: TextArea::from(t.description.lines()),
-            focus: TaskEditFocus::Title,
-            is_edit: true,
-        })
-    }
-}

src/input.rs

@@ -3,10 +3,7 @@ use crossterm::event;
 use crossterm::event::{Event, KeyCode};
 
 // pub fn handle_task_edit(state: &mut State<'_>, key: event::KeyEvent, mut task: TaskState<'_>) {
-pub fn handle_task_edit(
+pub fn handle_task_edit(state: &mut State<'_>, key: event::KeyEvent) {
-    state: &mut State<'_>,
-    key: event::KeyEvent,
-) {
     if let Some(mut task) = state.task_edit_state.take() {
         let mut clear_task = false;
         match task.focus {
@@ -33,19 +30,9 @@ pub fn handle_task_edit(
                     let title = task.title.clone().into_lines().join("\n");
                     let description = task.description.clone().into_lines().join("\n");
                     if task.is_edit {
-                        let column = state.get_selected_column_mut();
+                        state.edit_task(title, description);
-                        if let Some(selected_task) = column.get_selected_task_mut() {
-                            selected_task.title = title;
-                            selected_task.description = description;
-                            let cloned = selected_task.clone();
-                            state.db_conn.update_task_text(&cloned);
-                        }
                     } else {
-                        let col_id = state.get_selected_column().id;
+                        state.add_new_task(title, description);
-                        let selected_task_idx = state.get_selected_column().selected_task_idx;
-                        let task = state.db_conn.insert_new_task(title, description, col_id);
-                        state.get_selected_column_mut().add_task(task);
-                        state.db_conn.set_selected_task_for_column(selected_task_idx, col_id);
                     }
                     clear_task = true;
                 }
@@ -67,60 +54,43 @@ pub fn handle_task_edit(
 }
 
 pub fn handle_main(state: &mut State<'_>, key: event::KeyEvent) {
-    let column = state.get_selected_column_mut();
     match key.code {
         KeyCode::Char('q') => state.quit = true,
         KeyCode::Char('h') | KeyCode::Left => {
             state.select_previous_column();
-            state.db_conn.set_selected_column(state.selected_column_idx);
         }
         KeyCode::Char('j') | KeyCode::Down => {
-            column.select_next_task();
+            state.select_next_task();
-            let task_idx = column.selected_task_idx;
-            let col_id = state.get_selected_column().id;
-            state.db_conn.set_selected_task_for_column(task_idx, col_id);
         }
         KeyCode::Char('k') | KeyCode::Up => {
-            column.select_previous_task();
+            state.select_previous_task();
-            let task_idx = column.selected_task_idx;
-            let col_id = state.get_selected_column().id;
-            state.db_conn.set_selected_task_for_column(task_idx, col_id);
         }
         KeyCode::Char('l') | KeyCode::Right => {
             state.select_next_column();
-            state.db_conn.set_selected_column(state.selected_column_idx);
         }
         KeyCode::Char('g') => {
-            column.select_first_task();
+            state.select_first_task();
-            let task_idx = column.selected_task_idx;
-            let col_id = state.get_selected_column().id;
-            state.db_conn.set_selected_task_for_column(task_idx, col_id);
         }
         KeyCode::Char('G') => {
-            column.select_last_task();
+            state.select_last_task();
-            let task_idx = column.selected_task_idx;
-            let col_id = state.get_selected_column().id;
-            state.db_conn.set_selected_task_for_column(task_idx, col_id);
         }
         KeyCode::Char('H') => {
-            if !column.tasks.is_empty() {
             state.move_task_previous_column();
         }
-        }
         KeyCode::Char('L') => {
-            if !column.tasks.is_empty() {
             state.move_task_next_column();
         }
+        KeyCode::Char('J') => {
+            state.move_task_down();
+        }
+        KeyCode::Char('K') => {
+            state.move_task_up();
         }
-        KeyCode::Char('J') => { state.move_task_down(); },
-        KeyCode::Char('K') => { state.move_task_up(); },
         KeyCode::Char('n') => state.task_edit_state = Some(TaskState::default()),
-        KeyCode::Char('e') => state.task_edit_state = column.get_task_state_from_current(),
+        KeyCode::Char('e') => state.task_edit_state = state.get_task_state_from_current(),
         KeyCode::Char('D') => {
-            if !column.tasks.is_empty() {
             state.delete_task();
         }
-        }
         _ => {}
     }
 }

src/ui.rs

@@ -60,7 +60,7 @@ fn draw_tasks<B: Backend>(f: &mut Frame<'_, B>, area: Rect, state: &State<'_>) {
 
 fn draw_task_info<B: Backend>(f: &mut Frame<'_, B>, area: Rect, state: &State<'_>) {
     let block = Block::default().title("TASK INFO").borders(Borders::ALL);
-    if let Some(task) = state.get_selected_column().get_selected_task() {
+    if let Some(task) = state.get_selected_task() {
         let p = Paragraph::new(task.description.as_str())
             .block(block)
             .wrap(Wrap { trim: true });