granger 0.1.0

An opinionated Kanban Board for the solo developer
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

use crate::board;
use std::env::current_dir;
use std::path::PathBuf;
use std::process;
use std::str::from_utf8;

pub fn get_current_board() -> board::model::Board {
    let current_working_directory =
        current_dir().expect("Could not retrieve current working directory.");

    let path_to_git_repository = get_root_path_if_git_repository(&current_working_directory)
        .expect("Could not retrieve path to git repository.");

    board::data::get_by_location(&path_to_git_repository)
        .expect("Boards cannot be accessed from outside git repository.")
}

pub fn get_root_path_if_git_repository(location: &PathBuf) -> Result<String, String> {
    // "git rev-parse --show-toplevel" returns the path to the root
    // of a git repository if called anywhere inside git repository
    let output = process::Command::new("git")
        .args(["rev-parse", "--show-toplevel"])
        .current_dir(location)
        .output();

    match output {
        Ok(value) => {
            if value.stdout.is_empty() {
                Err("Boards must be initialized inside of a git repository.".to_string())
            } else {
                let root_as_string = from_utf8(&value.stdout)
                    .expect("Could not parse path to git repository from stdout.");
                Ok(String::from(root_as_string.trim()))
            }
        }
        Err(_) => Err("Unreachable?".to_string()),
    }
}

pub fn get_git_repository_name(location: &str) -> String {
    // return content after last "/" in path
    // example: /home/bobby/workspaces/granger -> granger
    let mut output: Vec<&str> = location.split('/').collect();
    output
        .pop()
        .expect("Could not parse git repository name.")
        .to_string()
}