Initial upload: git-insights-cli with CI/CD workflow

src/analyzers/commit_pattern.py

@@ -0,0 +1,64 @@
+from collections import defaultdict
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Any, Dict, List, Optional
+
+from src.analyzers.git_repository import GitRepository
+from src.models.data_structures import Author, CommitAnalysis
+
+
+@dataclass
+class CommitPatternAnalyzer:
+    """Analyzes commit patterns."""
+
+    repo: GitRepository
+    days: int
+
+    def analyze(self) -> Optional[CommitAnalysis]:
+        """Analyze commit patterns."""
+        commits = self.repo.get_commits()
+
+        if not commits:
+            return None
+
+        commits_by_hour: Dict[str, int] = defaultdict(int)
+        commits_by_day: Dict[str, int] = defaultdict(int)
+        commits_by_week: Dict[str, int] = defaultdict(int)
+
+        author_commits: Dict[str, List[str]] = defaultdict(list)
+
+        for commit in commits:
+            hour_key = commit.timestamp.strftime("%H:00")
+            day_key = commit.timestamp.strftime("%A")
+            week_key = commit.timestamp.strftime("%Y-W%U")
+
+            commits_by_hour[hour_key] += 1
+            commits_by_day[day_key] += 1
+            commits_by_week[week_key] += 1
+
+            author_commits[commit.author_email].append(commit.sha)
+
+        authors = []
+        for email, commit_shas in author_commits.items():
+            author = self.repo.get_authors()
+            for a in author:
+                if a.email == email:
+                    a.commit_count = len(commit_shas)
+                    authors.append(a)
+                    break
+
+        authors.sort(key=lambda a: a.commit_count, reverse=True)
+        top_authors = authors[:10]
+
+        total_days = max(1, self.days)
+        avg_commits_per_day = len(commits) / total_days
+
+        return CommitAnalysis(
+            total_commits=len(commits),
+            unique_authors=len(authors),
+            commits_by_hour=dict(commits_by_hour),
+            commits_by_day=dict(commits_by_day),
+            commits_by_week=dict(commits_by_week),
+            top_authors=top_authors,
+            average_commits_per_day=avg_commits_per_day,
+        )