add has_config

Signed-off-by: Václav Valíček <valicek1994@gmail.com>

repo_cloner/lib/repo_dir_structure.py

@@ -1,5 +1,6 @@
 import os.path
 from repo_cloner.lib.dir_not_found_error import DirNotFoundError
+from repo_cloner.lib.config_file_not_found_error import ConfigFileNotFoundError
 
 
 class RepoDirStructure():
@@ -15,25 +16,29 @@ class RepoDirStructure():
 		self._repos_dir = os.path.join(self._base_dir, "repos")
 
 	@property
-	def base_dir_exists(self):
+	def __config_filename(self) -> str:
+		return os.path.join(self.conf_dir, "cloner.cfg")
+
+	@property
+	def base_dir_exists(self) -> bool:
 		if not os.path.isdir(self._base_dir):
 			raise DirNotFoundError(self._base_dir)
 		return True
 
 	@property
-	def conf_dir_exists(self):
+	def conf_dir_exists(self) -> bool:
 		if not os.path.isdir(self._conf_dir):
 			raise DirNotFoundError(self._conf_dir)
 		return True
 
 	@property
-	def cache_dir_exists(self):
+	def cache_dir_exists(self) -> bool:
 		if not os.path.isdir(self._cache_dir):
 			raise DirNotFoundError(self._cache_dir)
 		return True
 
 	@property
-	def repos_dir_exists(self):
+	def repos_dir_exists(self) -> bool:
 		if not os.path.isdir(self._repos_dir):
 			raise DirNotFoundError(self._repos_dir)
 		return True
@@ -64,3 +69,9 @@ class RepoDirStructure():
 	@property
 	def repos_dir(self) -> str:
 		return self._repos_dir
+
+	@property
+	def has_config(self) -> bool:
+		if not os.path.exists(self.__config_filename):
+			raise ConfigFileNotFoundError(self.__config_filename)
+		return True