Доработка взаимодействия с API, новая процедура установки, определение установленных версий игры и начальная реализация БД

mcfs.py

@@ -5,6 +5,23 @@ import zipfile
 import json
 
 
+class MCVersion:
+    def __init__(self, version_number, is_modified=False, modloader=None):
+        self.version_number = version_number
+        self.is_modified = is_modified
+        self.modloader = modloader
+
+    def __lt__(self, other):
+        own_nums = map(int, self.version_number.split("."))
+        other_nums = map(int, other.version_number.split("."))
+        for own_num, other_num in zip(own_nums, other_nums):
+            if own_num < other_num:
+                return True
+            if own_num > other_num:
+                return False
+        return False
+
+
 def __get_mc_dir():
     directory = ""
     if platform == 'linux':
@@ -35,6 +52,14 @@ def __get_cache_dir():
     return directory
 
 
+def __version_sort(mc_ver: MCVersion) -> str:
+    return mc_ver.version_number
+
+
+mc_dir = __get_mc_dir()
+cache_dir = __get_cache_dir()
+
+
 def get_modpack_info(filename: str):
     with zipfile.ZipFile(os.path.join(cache_dir, filename)) as modpack:
         with modpack.open("modrinth.index.json") as index:
@@ -58,10 +83,6 @@ def is_path_exist(path: str):
     return os.path.exists(os.path.join(path))
 
 
-def is_standard_dir_structure():
-    return not os.path.exists(os.path.join(mc_dir, "home"))
-
-
 def install(filename, subdir: str):
     _from = os.path.join(cache_dir, filename)
     _to = os.path.join(mc_dir, subdir, filename)
@@ -69,5 +90,31 @@ def install(filename, subdir: str):
     shutil.copy2(_from, _to)
 
 
-mc_dir = __get_mc_dir()
-cache_dir = __get_cache_dir()
+def get_installed_mc_versions():
+    mc_vers_dir = os.path.join(mc_dir, "versions")
+    if not is_path_exist(mc_vers_dir):
+        return  # TODO: Выброс ошибки
+    versions_dirs = next(os.walk(mc_vers_dir))[1]
+    versions = []
+    for version_dir in versions_dirs:
+        version_json_file = os.path.join(mc_vers_dir, version_dir, version_dir + ".json")
+        if not is_path_exist(version_json_file):
+            continue
+        with open(version_json_file) as json_file:
+            version_json = json.load(json_file)
+            mc_ver = None
+            match version_json.get("type", None):
+                case "modified":
+                    version_number = version_json["jar"]  # TODO: ИСПОЛЬЗОВАТЬ get ВМЕСТО []
+                    is_modified = True
+                    modloader = version_json["id"].split()[0].lower()
+                    mc_ver = MCVersion(version_number, is_modified, modloader)
+                case "release":  # TODO: Добавить поддержку других значений
+                    version_number = version_json["id"]
+                    mc_ver = MCVersion(version_number)
+                case None:
+                    pass
+                case _:  # TODO: Throw some errors
+                    pass
+            versions.append(mc_ver)
+    return sorted(versions, reverse=True)