refactor(cli): streamline repository status logic

- Replace `RepoCategory` with `RepoCatalogState` for improved abstraction
- Simplify repository data processing and remove redundant functions
- Enhance code readability and maintainability by consolidating logic

src/repocat/cli/status.py

@@ -1,71 +1,45 @@
 from typer import Typer
 from rich.console import Console
 from rich.table import Table
-from pathlib import Path
-from datetime import datetime
 from repocat.config import load_config
-from repocat.models.config import RepoCategory
+from repocat.models.catalog import RepoCatalogState
 
 app = Typer()
 console = Console()
 
-
-def get_dir_size(path: Path) -> int:
-    """Returns size in bytes."""
-    return sum(f.stat().st_size for f in path.rglob("*") if f.is_file())
-
-
-def summarize_category(category: RepoCategory, base_path: Path):
-    cat_path = base_path / category.subdir
-    if not cat_path.exists():
-        return 0, 0.0, None, None
-
-    now = datetime.now()
-    repo_infos = []
-
-    for repo in cat_path.iterdir():
-        if not repo.is_dir():
-            continue
-
-        size_bytes = get_dir_size(repo)
-        mtime = datetime.fromtimestamp(repo.stat().st_mtime)
-        age_days = (now - mtime).days
-
-        repo_infos.append((repo.name, size_bytes, age_days, mtime))
-
-    if not repo_infos:
-        return 0, 0.0, None, None
-
-    total_size = sum(info[1] for info in repo_infos) / 1024 / 1024
-    avg_age = sum(info[2] for info in repo_infos) // len(repo_infos)
-
-    oldest = max(repo_infos, key=lambda x: x[2])  # größtes Alter
-
-    return len(repo_infos), total_size, avg_age, (oldest[0], oldest[2])
-
-
 @app.command("status")
 def status():
     """
     Zeigt eine Übersicht über alle Repository-Kategorien.
     """
-    config = load_config()
-    base = config.base_dir
+    catalog = RepoCatalogState.from_config(load_config())
 
     table = Table(title="Repository-Status")
     table.add_column("Kategorie")
     table.add_column("Repos", justify="right")
     table.add_column("Gesamtgröße", justify="right")
-    table.add_column("Ø Alter", justify="right")
-    table.add_column("Ältestes Repo", justify="left")
+    table.add_column("\u00d8 Alter", justify="right")
+    table.add_column("\u00c4ltestes Repo", justify="left")
 
-    for cat in config.categories:
-        if cat.is_archive:
+    for category in catalog.categories:
+        if category.config.is_archive:
             continue
-        count, total_size, avg_age, oldest = summarize_category(cat, base)
+
+        repos = category.repos
+        count = len(repos)
+        total_size = category.total_size_mb()
+
+        if not repos:
+            avg_age = None
+            oldest = None
+        else:
+            ages = [repo.age_days for repo in repos]
+            avg_age = sum(ages) // len(ages)
+            oldest_repo = max(repos, key=lambda r: r.age_days)
+            oldest = (oldest_repo.name, oldest_repo.age_days)
 
         table.add_row(
-            cat.name,
+            category.config.name,
             str(count),
             f"{total_size:.1f} MB",
             f"{avg_age or '–'} d",