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import { createSlice } from "@reduxjs/toolkit";
export const todo_slice = createSlice({
name: "todo_list",
initialState: {
todos: [],
last_id: 0,
current_sorting: "created_time",
},
reducers: {
add_todo: (state, action) => {
state.todos = [
...state.todos,
{
id: ++state.last_id,
text: action.payload.text,
due_date: action.payload.due_date,
done: action.payload.done,
priority: action.payload.priority,
creation_date: action.payload.creation_date,
},
];
},
change_done: (state, action) => {
let selected_todo = state.todos.findIndex(
(x) => x.id == action.payload.id
);
if (selected_todo == -1) return;
state.todos[selected_todo].done = action.payload.done;
},
remove_todo: (state, action) => {
state.todos = state.todos.filter(
(todo) => todo.id != action.payload
);
},
edit_todo: (state, action) => {
let selected_todo = state.todos.findIndex(
(x) => x.id == action.payload.id
);
if (selected_todo == -1) return;
state.todos[selected_todo].text = action.payload.text;
state.todos[selected_todo].due_date = action.payload.due_date;
state.todos[selected_todo].done = action.payload.done;
state.todos[selected_todo].priority = action.payload.priority;
},
set_sort_todo: (state, action) => {
switch (action.payload.where_clicked) {
case "priority":
switch (state.current_sorting) {
case "priority-^":
state.current_sorting = "priority-v";
break;
case "priority-v":
state.current_sorting = "created_time";
break;
default:
state.current_sorting = "priority-^";
break;
}
break;
case "due_date":
switch (state.current_sorting) {
case "due-date-^":
state.current_sorting = "due-date-v";
break;
case "due-date-v":
state.current_sorting = "created_time";
break;
default:
state.current_sorting = "due-date-^";
break;
}
}
},
sort_todo: (state) => {
const priority_order = {
Low: 1,
Medium: 2,
High: 3,
};
switch (state.current_sorting) {
case "priority-^":
state.todos.sort(
(a, b) =>
priority_order[b.priority] -
priority_order[a.priority]
);
break;
case "priority-v":
state.todos.sort(
(a, b) =>
priority_order[a.priority] -
priority_order[b.priority]
);
break;
case "due-date-^":
state.todos.sort((a, b) =>
b.due_date.localeCompare(a.due_date)
);
break;
case "due-date-v":
state.todos.sort((a, b) =>
a.due_date.localeCompare(b.due_date)
);
break;
default:
state.todos.sort((a, b) =>
a.creation_date.localeCompare(b.creation_date)
);
break;
}
},
},
});
export const {
add_todo,
change_done,
remove_todo,
edit_todo,
set_sort_todo,
sort_todo,
} = todo_slice.actions;
export const select_todos = (state) => state.todo_list.todos;
export const select_last_index = (state) => state.todo_list.last_id;
export const select_current_sorting = (state) =>
state.todo_list.current_sorting;
export default todo_slice.reducer;
|
