cdrb_taskforge/
lib.rs

1//! A lightweight, performance-oriented task management library
2
3use serde::{Deserialize, Serialize};
4use std::path::Path;
5use std::fs;
6use chrono::prelude::*;
7use uuid::Uuid;
8use thiserror::Error;
9
10#[derive(Debug, Error)]
11pub enum TaskError {
12    #[error("Task not found")]
13    TaskNotFound,
14    #[error("IO error: {0}")]
15    IoError(#[from] std::io::Error),
16    #[error("Serialization error: {0}")]
17    SerializationError(#[from] serde_json::Error),
18}
19
20/// Priority levels for tasks
21#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq)]
22pub enum Priority {
23    Low,
24    Medium,
25    High,
26}
27
28/// Representation of a single task
29#[derive(Debug, Clone, Serialize, Deserialize)]
30pub struct Task {
31    pub id: String,
32    pub description: String,
33    pub priority: Priority,
34    pub created_at: DateTime<Utc>,
35    pub completed: bool,
36}
37
38/// Main task manager
39#[derive(Debug, Serialize, Deserialize)]
40pub struct TaskManager {
41    tasks: Vec<Task>,
42}
43
44impl TaskManager {
45    /// Create a new empty TaskManager
46    pub fn new() -> Self {
47        TaskManager { tasks: Vec::new() }
48    }
49
50    /// Add a new task
51    pub fn add_task(&mut self, description: &str, priority: Priority) -> Result<(), TaskError> {
52        let task = Task {
53            id: Uuid::new_v4().to_string(),
54            description: description.to_string(),
55            priority,
56            created_at: Utc::now(),
57            completed: false,
58        };
59        self.tasks.push(task);
60        Ok(())
61    }
62
63    /// Complete a task by index
64    pub fn complete_task(&mut self, index: usize) -> Result<(), TaskError> {
65        if let Some(task) = self.tasks.get_mut(index) {
66            task.completed = true;
67            Ok(())
68        } else {
69            Err(TaskError::TaskNotFound)
70        }
71    }
72
73    /// Get all tasks
74    pub fn tasks(&self) -> &Vec<Task> {
75        &self.tasks
76    }
77
78    /// Save tasks to a file
79    pub fn save_to_file(&self, path: &Path) -> Result<(), TaskError> {
80        let serialized = serde_json::to_string_pretty(&self)?;
81        fs::write(path, serialized)?;
82        Ok(())
83    }
84
85    /// Load tasks from a file
86    pub fn load_from_file(path: &Path) -> Result<Self, TaskError> {
87        let contents = fs::read_to_string(path)?;
88        let manager = serde_json::from_str(&contents)?;
89        Ok(manager)
90    }
91}
92
93impl Default for TaskManager {
94    fn default() -> Self {
95        Self::new()
96    }
97}
cdrb_taskforge/lib.rs

cdrb_taskforge/
lib.rs
