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use crate::task::Task;
use std::fs::File;
use std::io::Error as IOError;
use std::io::{BufRead, BufReader};
use std::path::Path;
pub struct LogFile {
tasks: Vec<Task>,
}
impl LogFile {
pub fn load(path: &Path) -> Result<LogFile, IOError> {
let f = File::open(path)?;
let r = BufReader::new(f);
let mut tasks = Vec::new();
for line in r.lines() {
if let Some(task) = Task::from_string(&line?) {
tasks.push(task)
}
}
Ok(LogFile { tasks })
}
pub fn tasks(&self) -> &[Task] {
&self.tasks
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::task::{Task, TaskStatus};
use std::fs::OpenOptions;
use std::io::Write;
use tempfile::tempdir;
#[test]
fn test_load() {
let dir = tempdir().unwrap();
let p = dir.path().join("testlog");
let mut f = OpenOptions::new()
.write(true)
.create(true)
.open(&p)
.unwrap();
write!(f, "+ DONE\n").unwrap();
write!(f, "- BLOCKED\n").unwrap();
write!(f, "* INCOMPLETE\n").unwrap();
write!(f, "COMMENT\n").unwrap();
let lf = LogFile::load(&p).unwrap();
let expected = vec![
Task::new(TaskStatus::Done, "DONE"),
Task::new(TaskStatus::Blocked, "BLOCKED"),
Task::new(TaskStatus::ToDo, "INCOMPLETE"),
];
assert_eq!(lf.tasks(), &expected[..]);
}
}