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198use colored::*;
use loading::Loading;
use piechart::{Chart, Color, Data};
use std::collections::HashMap;
use std::process::{Command, Stdio};
use std::{env, str, thread};
/// Executes a command in PowerShell and returns the output as a string.
///
/// # Arguments
///
/// * `command` - A string slice that holds the command to be executed.
///
/// # Returns
///
/// A string that holds the output of the executed command.
fn run_command(command: &str) -> String {
let output: std::process::Output = Command::new("powershell.exe")
.args(&["-Command", &command])
.output()
.expect("Failed to execute command");
str::from_utf8(&output.stdout)
.expect("Invalid UTF-8")
.to_string()
}
fn get_header() {
let text = r#"
___ _ _ ___ _ __ _ _
/ _ (_) |_ / __\___ __| | ___ / _\ |_ __ _| |_ ___
/ /_\/ | __| / / / _ \ / _` |/ _ \ \ \| __/ _` | __/ __|
/ /_\\| | |_ / /__| (_) | (_| | __/ _\ \ || (_| | |_\__ \
\____/|_|\__| \____/\___/ \__,_|\___| \__/\__\__,_|\__|___/
author: AbianS
"#.green();
println!("{}", text);
}
/// Clears the terminal screen.
fn clear_terminal() {
let _ = Command::new("cmd").arg("/c").arg("cls").status();
}
/// Returns a vector of unique authors in the Git repository.
///
/// This function runs a Git command to retrieve the list of unique authors in the repository.
/// The command is executed using the `run_command` function and the output is parsed to
/// extract the author names. The resulting vector contains the unique author names.
///
/// # Returns
///
/// A vector of strings representing the unique authors in the Git repository.
fn get_unique_authors() -> Vec<String> {
let command: &str = "git log --format='%aN' | Sort-Object -Unique";
let stdout: String = run_command(command);
let authors: Vec<String> = stdout
.trim()
.split('\n')
.map(|author| author.trim().to_string())
.collect();
authors
}
/// This function takes an author name as input and returns a tuple containing the author name, the number of lines inserted by the author, and the number of files changed by the author.
/// It uses the `git log` command to get the commit history of the repository and extracts the number of files changed, lines inserted and lines deleted by the given author using regular expressions.
///
/// # Arguments
///
/// * `author` - A string slice that holds the name of the author whose statistics are to be calculated.
///
/// # Returns
///
/// A tuple containing the author name, the number of lines inserted by the author, and the number of files changed by the author.
fn get_git_stats(author: &str) -> (String, i32, i32) {
let command: String = format!("git log --shortstat --author=\"{}\"", author);
let stdout = run_command(&command);
let mut files_changed: i32 = 0;
let mut lines_inserted: i32 = 0;
let mut lines_deleted: i32 = 0;
let re: regex::Regex =
regex::Regex::new(r"(\d+) files? changed, (\d+) insertions\(\+\), (\d+) deletions\(-\)")
.unwrap();
for line in stdout.lines() {
if let Some(captures) = re.captures(line) {
files_changed += captures[1].parse::<i32>().unwrap();
lines_inserted += captures[2].parse::<i32>().unwrap();
lines_deleted += captures[3].parse::<i32>().unwrap();
}
}
(author.to_string(), lines_inserted, files_changed) // Cambiado el orden de retorno para reflejar las líneas insertadas y los archivos cambiados
}
fn main() {
// Gets the current directory and sets it as the working directory.
let current_dir: std::path::PathBuf =
env::current_dir().expect("Failed to get current directory");
env::set_current_dir(current_dir).expect("Failed to set current directory");
clear_terminal();
get_header();
// Checks if the current directory is a git repository by running the `git rev-parse --is-inside-work-tree` command.
// Returns a boolean indicating whether the current directory is a git repository or not.
let git_repo_exists: bool = Command::new("git")
.arg("rev-parse")
.arg("--is-inside-work-tree")
.stdout(Stdio::null()) // Redirect standard output to NUL
.stderr(Stdio::null()) // Redirect error output to NUL
.status()
.map(|status| status.success())
.unwrap_or(false);
// Checks if a Git repository exists in the current directory. If not, it prints an error message and exits the program.
if !git_repo_exists {
let text1: ColoredString = r#"[!]"#.red();
let text2: ColoredString = r#"Git repository not found in the current directory."#.blue();
println!("{} {}", text1, text2);
return; // Salir del programa
}
let loading: Loading = Loading::default();
loading.text("Getting git stats...".blue());
let authors: Vec<String> = get_unique_authors();
let mut author_stats: HashMap<String, (f32, Color)> = HashMap::new();
let colors = vec![
Color::RGB(255, 0, 0),
Color::RGB(0, 255, 0),
Color::RGB(0, 0, 255),
Color::RGB(255, 255, 0),
Color::RGB(255, 0, 255),
Color::RGB(0, 255, 255),
Color::RGB(128, 0, 0),
Color::RGB(0, 128, 0),
Color::RGB(0, 0, 128),
Color::RGB(128, 128, 0),
];
// Creates a vector of threads, where each thread calculates the git statistics for a given author.
// The function returns a vector of handles to the threads.
let handles: Vec<_> = authors
.iter()
.enumerate()
.map(|(index, author)| {
let color = colors[index % colors.len()];
let author_clone = author.clone();
thread::spawn(move || {
let (author_name, lines_inserted, files_changed): (String, i32, i32) =
get_git_stats(&author_clone);
(author_name.clone(), (lines_inserted as f32, color))
})
})
.collect();
// Iterate over the handles and insert the author name and stats into the author_stats HashMap.
for handle in handles {
if let Ok((author_name, stats)) = handle.join() {
author_stats.insert(author_name, stats);
}
}
loading.end();
// Maps the author statistics to a vector of `Data` structs.
//
// # Arguments
//
// * `author_stats` - A reference to a `HashMap` containing the author statistics.
//
// # Returns
//
// A vector of `Data` structs, where each struct contains the author's name, number of lines inserted,
// color and fill character.
let data: Vec<Data> = author_stats
.iter()
.map(|(author, (lines_inserted, color))| Data {
label: author.to_string(),
value: *lines_inserted,
color: Some((*color).into()),
fill: '•',
})
.collect();
Chart::new()
.radius(9)
.aspect_ratio(3)
.legend(true)
.draw(&data);
}