validator.py

processors/validator.py

@@ -0,0 +1,68 @@
+# processors/validator.py
+
+import os
+import zipfile
+import rarfile   # Necesita: pip install rarfile
+
+IMAGE_EXTENSIONS = {".jpg", ".jpeg", ".png", ".webp"}
+TRASH_FILES = {"thumbs.db", ".ds_store"}
+
+class ValidationResult:
+    def __init__(self, path):
+        self.path = path
+        self.is_valid = True
+        self.errors = []
+        self.warnings = []
+        self.images = []
+
+    def add_error(self, msg):
+        self.is_valid = False
+        self.errors.append(msg)
+
+    def add_warning(self, msg):
+        self.warnings.append(msg)
+
+    def __str__(self):
+        status = "OK" if self.is_valid else "ERROR"
+        return f"[{status}] {self.path}"
+
+
+def validate_comic(path):
+    """
+    Valida un archivo CBR/CBZ y devuelve un ValidationResult.
+    """
+    result = ValidationResult(path)
+    ext = os.path.splitext(path)[1].lower()
+
+    try:
+        if ext == ".cbz":
+            archive = zipfile.ZipFile(path, "r")
+            file_list = archive.namelist()
+
+        elif ext == ".cbr":
+            archive = rarfile.RarFile(path, "r")
+            file_list = archive.namelist()
+
+        else:
+            result.add_error("Extensión no reconocida")
+            return result
+
+    except Exception as e:
+        result.add_error(f"No se pudo abrir el archivo: {e}")
+        return result
+
+    # Comprobar imágenes
+    for f in file_list:
+        name = f.lower()
+        _, fext = os.path.splitext(name)
+
+        if fext in IMAGE_EXTENSIONS:
+            result.images.append(f)
+
+        if os.path.basename(name) in TRASH_FILES:
+            result.add_warning(f"Archivo basura encontrado: {f}")
+
+    if not result.images:
+        result.add_error("No contiene imágenes válidas")
+
+    return result