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extern crate getopts;
use crypto::digest::Digest;
use crypto::sha2::Sha256;
use getopts::*;
use std::collections::HashMap;
use std::env;
use std::fs;
use std::path::Path;
use std::path::PathBuf;
fn main() {
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.optflag("h", "help", "Show this help screen");
opts.optflag("", "done", "list done tasks instead of unfinished ones");
opts.optopt("e", "edit", "edit TASK to contain TEXT", "TASK");
opts.optopt("f", "finish", "mark TASK as finished", "TASK");
opts.optopt("r", "remove", "Remove TASK from list", "TASK");
opts.optopt("l", "list", "work on LIST", "LIST");
opts.optopt("t", "taskdir", "work on the lists in DIR", "DIR");
opts.optflag(
"d",
"delete-if-empty",
"delete the task file if it becomes empty",
);
opts.optopt("g", "grep", "print only tasks that contain WORD", "WORD");
opts.optflag(
"v",
"verbose",
"print more detailed output (full task ids, etc)",
);
opts.optflag(
"q",
"quiet",
"print less detailed output (no task ids, etc)",
);
let matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(f) => panic!(f.to_string()),
};
if matches.opt_present("h") {
let brief = "t is for people that want do things, not organize their tasks
Usage: t [-t DIR] [-l LIST] [options] [TEXT]";
print!("{}", opts.usage(&brief));
return;
}
let path = env::current_dir().unwrap();
let taskfile = matches.opt_str("l").unwrap_or_else(|| "tasks".to_string());
let donefile = format!(".{}.done", taskfile);
let taskdir = matches
.opt_str("t")
.unwrap_or_else(|| path.to_str().unwrap().to_string());
let mut taskpath = PathBuf::from(&taskdir);
taskpath.push(&taskfile);
println!("taskdir: {}", taskpath.to_str().unwrap().to_string());
// read files
let mut donepath = PathBuf::from(taskpath.as_path().parent().unwrap().to_path_buf());
donepath.push(donefile);
let contents = fs::read_to_string(&taskpath).unwrap_or_else(|_| "".to_string());
println!("{}", contents);
let contents_done = fs::read_to_string(&donepath).unwrap_or_else(|_| "".to_string());
println!("{}", contents);
let mut tasks: HashMap<String, String> = HashMap::new();
let mut done: HashMap<String, String> = HashMap::new();
for line in contents.lines() {
tasks.insert(hash(&line.to_string()), line.to_string());
}
for line in contents_done.lines() {
done.insert(hash(&line.to_string()), line.to_string());
}
if matches.opt_present("done") {
for (hash, task) in done {
println!("{} - {}", hash, task);
}
return;
}
if !matches.free.is_empty() {
let task = matches.free.join(" ");
tasks.insert(hash(&task), task);
let delete_empty = matches.opt_present("d");
println!("{:?}", delete_empty);
write_files(&tasks, &done, &taskpath, delete_empty);
return;
}
for (hash, task) in tasks {
println!("{} - {}", hash, task);
}
}
fn hash(str: &String) -> String {
let mut hasher = Sha256::new();
hasher.input_str(&str);
hasher.result_str()
}
fn write_files(
tasks: &HashMap<String, String>,
done: &HashMap<String, String>,
taskpath: &PathBuf,
delete_empty: bool,
) {
let donefile = format!(
".{}.done",
taskpath
.as_path()
.file_name()
.unwrap()
.to_os_string()
.into_string()
.unwrap()
);
let mut donepath = PathBuf::from(taskpath.as_path().parent().unwrap().to_path_buf());
donepath.push(donefile);
if delete_empty {
if Path::new(&taskpath).exists() {
fs::remove_file(taskpath).unwrap();
fs::remove_file(donepath).unwrap();
}
return;
}
let mut data = String::new();
for (hash, task) in tasks {
data = format!("{}\n{} - {}\n", data, hash, task);
}
println!("{:?}", tasks);
println!("{:?}", data);
fs::write(taskpath, data).expect("Unable to write task file");
let mut data = String::new();
for (hash, task) in done {
data = format!("{}\n{} - {}\n", data, hash, task);
}
fs::write(donepath, data).expect("Unable to write donefile");
}
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