use crate::{
model::Item,
storage::{self, get_item_by_id, get_max_id, update_item, StorageError},
};
use chrono::Local;
use std::{error::Error, fmt::Display};
pub fn add_item(name: &str) -> Result<String> {
let max_id = get_max_id()?;
let item = Item::new(
max_id + 1,
name,
false,
false,
Some(Local::now().timestamp()),
None,
None,
);
storage::add_item(item.clone())?;
Ok(format!("Added [{}]: {}\n", item.id, item.name))
}
pub fn complete_item(id: u32) -> Result<String> {
let item = get_item_by_id(id)?;
update_item(Item {
completed: true,
completed_at: Some(Local::now().timestamp()),
..item.clone()
})?;
Ok(format!("Completed [{}]: {}\n", item.id, item.name))
}
pub fn uncomplete_item(id: u32) -> Result<String> {
let item = get_item_by_id(id)?;
update_item(Item {
completed: false,
completed_at: None,
..item.clone()
})?;
Ok(format!("Uncompleted [{}]: {}\n", item.id, item.name))
}
pub fn delete_item(id: u32) -> Result<String> {
let item = get_item_by_id(id)?;
update_item(Item {
deleted: true,
deleted_at: Some(Local::now().timestamp()),
..item.clone()
})?;
Ok(format!("Deleted [{}]: {}\n", item.id, item.name))
}
pub fn restore_item(id: u32) -> Result<String> {
let item = get_item_by_id(id)?;
update_item(Item {
deleted: false,
deleted_at: None,
..item.clone()
})?;
Ok(format!("Restored [{}]: {}\n", item.id, item.name))
}
pub fn destroy_deleted() -> Result<String> {
let items = storage::get_all()?
.into_iter()
.filter(|item| item.deleted)
.collect::<Vec<_>>();
if items.is_empty() {
return Ok("Nothing to destory.".to_string());
}
let mut result_string = String::new();
for item in items {
result_string += &destroy_item(item.id)?
}
result_string += "All deleted todos were destroyed.\n";
Ok(result_string)
}
pub fn destroy_item(id: u32) -> Result<String> {
storage::delete_item(id)?;
Ok(format!("Destroyed [{}]\n", id))
}
pub fn clear() -> Result<String> {
let items = storage::get_all()?;
if items.is_empty() {
return Ok("Nothing to clear.".to_string());
}
let mut result_string = String::new();
for item in items {
result_string += &destroy_item(item.id)?
}
Ok("All todos were destroyed.\n".to_string())
}
pub fn list_uncompleted() -> Result<String> {
let items = storage::get_all()?
.into_iter()
.filter(|item| !item.deleted && !item.completed)
.collect::<Vec<_>>();
if items.is_empty() {
return Ok("Nothing need to do.".to_string());
}
let mut result = "Uncompleted todos:\n\n".to_string();
for item in items {
result += &item.to_prettier_string();
result += "\n";
}
Ok(result)
}
pub fn list_completed() -> Result<String> {
let items = storage::get_all()?
.into_iter()
.filter(|item| !item.deleted && item.completed)
.collect::<Vec<_>>();
if items.is_empty() {
return Ok("Nothing completed.".to_string());
}
let mut result = "Completed todos:\n\n".to_string();
for item in items {
result += &item.to_prettier_string();
result += "\n";
}
Ok(result)
}
pub fn list_deleted() -> Result<String> {
let items = storage::get_all()?
.into_iter()
.filter(|item| item.deleted)
.collect::<Vec<_>>();
if items.is_empty() {
return Ok("Nothing deleted.".to_string());
}
let mut result = "Deleted todos:\n\n".to_string();
for item in items {
result += &item.to_prettier_string();
result += "\n";
}
Ok(result)
}
pub fn list_all() -> Result<String> {
let items = storage::get_all()?;
if items.is_empty() {
return Ok("Nothing need to do.".to_string());
}
let mut result = "All todos:\n\n".to_string();
for item in items {
result += &item.to_prettier_string();
result += "\n";
}
Ok(result)
}
type Result<T> = std::result::Result<T, ServiceError>;
#[derive(Debug)]
pub enum ServiceError {
Storage(StorageError),
}
impl Error for ServiceError {}
impl Display for ServiceError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use ServiceError::*;
match self {
Storage(e) => writeln!(f, "Rtd service storage error: {}", e),
}
}
}
impl From<StorageError> for ServiceError {
fn from(value: StorageError) -> Self {
Self::Storage(value)
}
}