feat: Add word occurrences anlysis

Author: alex289

Cargo.lock

@@ -16,3 +16,5 @@ categories = ["command-line-utilities"]
 [dependencies]
 clap = { version = "4.4.18", features = ["derive"] }
 git2 = { version = "0.18.1", features = [] }
+regex = "1.10.3"
+itertools = "0.12.1"

Cargo.toml

@@ -1,5 +1,8 @@
 # git-commit-stats
 
+![Crates.io Version](https://img.shields.io/crates/v/git-commit-stats?style=flat)
+![Crates.io Total Downloads](https://img.shields.io/crates/d/git-commit-stats)
+
 git-commit-stats is a command-line tool designed to provide insightful analysis of Git repositories. It analyzes commit histories, providing users with valuable information about coding habits and patterns. The tool aims to enhance your understanding of code changes over time.
 
 ## Features
@@ -40,3 +43,6 @@ This project is licensed under the MIT License. Feel free to use, modify, and di
 ### Acknowledgments
 
 - git-commit-stats utilizes Git2 for interacting with Git repositories.
+- git-commit-stats utilizes Clap for command-line argument parsing.
+- git-commit-stats utilizes Regex for parsing commit messages.
+- git-commit-stats utilizes itertools for efficient iteration.

README.md

@@ -1,4 +1,7 @@
 use git2::{Commit, DiffStats, Repository};
+use itertools::Itertools;
+use regex::Regex;
+use std::collections::HashMap;
 use std::error::Error;
 
 /// Open a Git repository and return it.
@@ -81,8 +84,37 @@ pub(crate) fn show_commit_stats(stats: &[Result<DiffStats, Box<dyn Error>>]) {
 }
 
 /// Display a message about coding habits.
-pub(crate) fn show_coding_habits() {
-    println!("Coding habits: ");
+pub(crate) fn show_coding_habits(repo: &Repository) {
+    let mut commit_messages = Vec::new();
+    let mut revwalk = repo.revwalk().unwrap();
+    revwalk.push_head().unwrap();
+
+    for oid in revwalk {
+        let oid = oid.unwrap();
+        let commit = repo.find_commit(oid).unwrap();
+        commit_messages.push(commit.message().unwrap_or("").to_string());
+    }
+
+    if commit_messages.is_empty() {
+        println!("No commit data available for analysis.");
+        return;
+    }
+
+    // Simple analysis: Counting word occurrences in commit messages
+    let mut word_counts: HashMap<String, usize> = HashMap::new();
+    let word_regex = Regex::new(r"\b\w+\b").unwrap();
+
+    for message in &commit_messages {
+        for word in word_regex.find_iter(message.to_lowercase().as_str()) {
+            let word_entry = word_counts.entry(word.as_str().to_owned()).or_insert(0);
+            *word_entry += 1;
+        }
+    }
+
+    println!("Commit message word occurrences:");
+    for (word, count) in word_counts.iter().sorted_by(|a, b| b.1.cmp(a.1)).take(10) {
+        println!("{}: {}", word, count);
+    }
 }
 
 /// Get the user name from the Git configuration.

src/analyzer.rs

@@ -79,7 +79,7 @@ fn main() {
 
     analyzer::show_commit_stats(&stats);
     println!();
-    analyzer::show_coding_habits();
+    analyzer::show_coding_habits(&repo);
 }
 
 /// Check if the specified path is a directory and a Git repository.