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"sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1739019272, + "narHash": "sha256-7Fu7oazPoYCbDzb9k8D/DdbKrC3aU1zlnc39Y8jy/s8=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "fa35a3c8e17a3de613240fea68f876e5b4896aec", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1736320768, + "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "nixpkgs": "nixpkgs_2" + }, + "locked": { + "lastModified": 1739154531, + "narHash": "sha256-QGeN6e0nMJlNLzm3Y2A7P6riXhQXMeCXLZ7yajZYFQM=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "035dac86ab7ce5c1e8a4d59dfe85e6911a3526ea", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..a191c42 --- /dev/null +++ b/flake.nix @@ -0,0 +1,40 @@ +{ + description = "DevShell for shanti"; + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; + flake-utils.url = "github:numtide/flake-utils"; + rust-overlay.url = "github:oxalica/rust-overlay"; + }; + + outputs = + { + nixpkgs, + rust-overlay, + flake-utils, + ... + }: + flake-utils.lib.eachDefaultSystem ( + system: + let + overlays = [ (import rust-overlay) ]; + pkgs = import nixpkgs { + inherit system overlays; + }; + in + { + devShells.default = + with pkgs; + mkShell rec { + buildInputs = [ + rust-bin.nightly.latest.default + sqlite.dev + sqlite + ]; + + shellHook = '' + export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${builtins.toString (pkgs.lib.makeLibraryPath buildInputs)}"; + ''; + }; + } + ); +} diff --git a/rustfmt.toml b/rustfmt.toml new file mode 100644 index 0000000..3a3f3f1 --- /dev/null +++ b/rustfmt.toml @@ -0,0 +1,2 @@ +imports_granularity = "Module" +group_imports = "StdExternalCrate" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..c26ff15 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,208 @@ +use std::env; +use std::path::PathBuf; + +use chrono::{DateTime, Duration, NaiveDateTime, Utc}; +use clap::{Parser, Subcommand}; +use rusqlite::{params, Connection}; + +#[derive(Parser)] +#[command(name = "whenst")] +#[command(about = "A simple event countdown CLI")] +struct Cli { + #[command(subcommand)] + command: Commands, +} + +#[derive(Subcommand)] +enum Commands { + /// Add a new event + Add { + /// Name of the event + name: String, + /// The date of the event (YYYY-MM-DD HH:MM) + date: String, + }, + + /// List all upcoming events + List { + /// Show how much time is left until the next event + #[arg(short, long, default_value_t = false)] + time: bool, + }, + + /// Show the next upcoming event + Next { + /// Show id + #[arg(short, long, default_value_t = false)] + id: bool, + + /// Show how much time is left until the next event + #[arg(short, long, default_value_t = false)] + time: bool, + + /// Show the event name + #[arg(short, long, default_value_t = false)] + name: bool, + }, + + /// Remove an event by ID + Remove { + /// The ID of the event to remove + id: i32, + }, +} + +fn init_db() -> rusqlite::Result { + let conn = Connection::open(get_config_path())?; + conn.execute( + "CREATE TABLE IF NOT EXISTS events ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + name TEXT NOT NULL, + timestamp INTEGER NOT NULL + )", + [], + )?; + Ok(conn) +} + +fn parse_date(date_str: &str) -> Option { + NaiveDateTime::parse_from_str(date_str, "%Y-%m-%d %H:%M") + .ok() + .map(|dt| dt.and_utc().timestamp()) +} + +fn main() -> rusqlite::Result<()> { + let conn = init_db()?; + let cli = Cli::parse(); + + match cli.command { + Commands::Add { name, date } => { + let timestamp = match parse_date(&date) { + Some(timestamp) => timestamp, + None => { + eprintln!("Invalid date format"); + return Err(rusqlite::Error::InvalidQuery); + } + }; + + conn.execute( + "INSERT INTO events (name, timestamp) VALUES (?1, ?2)", + params![name, timestamp], + )?; + + println!("Added event: \"{}\" at {}", name, date); + } + Commands::List { time: show_time } => { + let mut stmt = + conn.prepare("SELECT id, name, timestamp FROM events ORDER BY timestamp ASC")?; + let events_iter = stmt.query_map([], |row| { + Ok(( + row.get::<_, i32>(0)?, + row.get::<_, String>(1)?, + row.get::<_, i64>(2)?, + )) + })?; + + for event in events_iter { + let (id, name, timestamp) = event?; + let datetime = DateTime::from_timestamp(timestamp, 0).unwrap(); + let mut total_string = + format!("[{}] {} - {}", id, name, datetime.format("%Y-%m-%d %H:%M")); + + if show_time { + let remaining = format_time_left(timestamp); + total_string.push_str(&format!(" - {}", remaining)); + } + + println!("{}", total_string); + } + } + Commands::Next { + id: show_id, + time: show_time, + name: show_name, + } => { + let mut stmt = conn.prepare("SELECT id, name, timestamp FROM events WHERE timestamp > strftime('%s', 'now') ORDER BY timestamp ASC LIMIT 1")?; + let mut rows = stmt.query([])?; + + if let Some(row) = rows.next()? { + let id: i32 = row.get(0)?; + let name: String = row.get(1)?; + let timestamp: i64 = row.get(2)?; + let datetime = DateTime::from_timestamp(timestamp, 0).unwrap(); + + let mut total_string = String::from("Next event: "); + if show_id { + total_string.push_str(&format!("[{}] ", id)); + }; + + if show_name { + total_string.push_str(&format!("{} - ", name,)); + } + + if show_time { + let remaining = format_time_left(timestamp); + total_string.push_str(&remaining.to_string()); + } else { + total_string.push_str(&format!("{}", datetime.format("%Y-%m-%d %H:%M"))); + } + + println!("{}", total_string); + } else { + println!("No upcoming events."); + } + } + Commands::Remove { id } => { + let deleted = conn.execute("DELETE FROM events WHERE id = ?1", params![id])?; + if deleted > 0 { + println!("Removed event with ID {}", id); + } else { + println!("No event found with ID {}", id); + } + } + } + + Ok(()) +} + +#[inline] +fn get_config_path() -> PathBuf { + if cfg!(target_os = "windows") { + let username = env::var("USERNAME").unwrap_or_else(|_| "Default".to_string()); + PathBuf::from(format!( + "C:\\Users\\{}\\AppData\\Local\\whenst.db", + username + )) + } else { + let xdg_config_home = env::var("XDG_CONFIG_HOME").ok(); + let home = env::var("HOME").ok(); + let user = env::var("USER").unwrap_or_else(|_| "default".to_string()); + + xdg_config_home + .map(|x| PathBuf::from(format!("{}/whenst.db", x))) + .or_else(|| home.map(|h| PathBuf::from(format!("{}/.config/whenst.db", h)))) + .unwrap_or_else(|| PathBuf::from(format!("/home/{}/.config/whenst.db", user))) + } +} + +fn format_time_left(event_time: i64) -> String { + let now = Utc::now().timestamp(); + let duration = event_time - now; + + if duration <= 0 { + return "Event started!".to_string(); + } + + let duration = Duration::seconds(duration); + let days = duration.num_days(); + let hours = duration.num_hours() % 24; + let minutes = duration.num_minutes() % 60; + + if days > 0 { + format!("{}d {}h left", days, hours) + } else if hours > 0 { + format!("{}h {}m left", hours, minutes) + } else { + format!("{}m left", minutes) + } +}