implement VersionInfo

PyTeX/build/versioning/version_info/constants.py

@@ -22,3 +22,5 @@ JSON_REPO_STATUS_INFO = 'repo_info'
 
 NO_RELATIVE_NAME = 'NO_NAME'
 NO_BUILD_TIME = 'no_build_time'
+
+JSON_FILE_VERSIONS = 'file_versions'

PyTeX/build/versioning/version_info/version_info.py

@@ -3,7 +3,7 @@ from typing import Optional, List, Dict
 from PyTeX.format.repo_status_info import RepoStatusInfo
 from .constants import *
 from ....format.config import Config
-
+from ...build.enums import *
 
 class FileVersionInfo(Config):
     def __init__(self):
@@ -88,3 +88,39 @@ class FileVersionInfo(Config):
     @build_time.setter
     def build_time(self, build_time: str):
         self._build_time = build_time
+
+
+class VersionInfo(Config):
+    def __init__(self):
+        self._pytex_dir_type: Optional[PyTeXRootDirType] = None
+        self._file_versions: Optional[List[FileVersionInfo]] = None
+
+    def set_from_json(self, content: Optional[Dict]):
+        content = self._fill_keys(content)
+        self._pytex_dir_type = None  # TODO
+        self._file_versions = [
+            FileVersionInfo.from_json(entry)
+            for entry in content[JSON_FILE_VERSIONS]
+        ]
+
+    def to_json(self) -> Dict:
+        return {
+            JSON_FILE_VERSIONS: [
+                file_version_info.to_json()
+                for file_version_info in self._file_versions
+            ]
+        }
+
+    @property
+    def pytex_dir_type(self) -> PyTeXRootDirType:
+        if self._pytex_dir_type is None:
+            return PyTeXRootDirType.PYTEX_SOURCE
+        else:
+            return self._pytex_dir_type
+
+    @property
+    def file_versions(self) -> List[FileVersionInfo]:
+        if self._file_versions is None:
+            return []
+        else:
+            return self._file_versions