Add package base class

src/util/package.py

@@ -0,0 +1,49 @@
+from src.util.install import Install
+
+
+class InvalidPackage(Exception):
+    pass
+
+
+class PackageAlreadyInstalled(Exception):
+    pass
+
+
+class Package:
+    def __init__(self, name: str, aur: bool = False, git: bool = False):
+        self.name = name
+        self.aur = aur
+        self.git = git
+
+        if self.git:
+            self._resolve_git_package()
+
+    def _resolve_git_package(self) -> None:
+        """Figure out `git_url` variable from `name`."""
+        if "/" not in self.name:
+            raise InvalidPackage("You need to specify both author and repository name for git packages (f.e. `ItsDrike/dotfiles`)")
+
+        if "http://" in self.name or "https://" in self.name:
+            self.git_url = self.name
+        else:
+            self.git_url = f"https://github.com/{self.name}"
+
+    def install(self) -> None:
+        if not self.git and Install.is_installed(self.name):
+            raise PackageAlreadyInstalled(f"Package {self} is already installed")
+
+        if self.aur:
+            if not Install.is_installed("yay"):
+                raise InvalidPackage(f"Package {self} can't be installed (missing `yay` - AUR installation software)")
+            Install.yay_install(self.name)
+        elif self.git:
+            Install.git_install(self.git_url)
+        else:
+            Install.pacman_install(self.name)
+
+    def __repr__(self) -> str:
+        if self.git:
+            return f"<Git package: {self.name} ({self.git_url})>"
+        elif self.aur:
+            return f"<Aur package: {self.name}>"
+        return f"<Package: {self.name}>"