Add basic message class

cheuph/message.py

@@ -0,0 +1,37 @@
+from typing import Hashable, Optional
+
+from .markup import AttributedText
+
+__all__ = ["Message"]
+
+
+class Message:
+    def __init__(self,
+            message_id: Hashable,
+            parent_id: Optional[Hashable],
+            author: str,
+            content: str,
+            ) -> None:
+        self._message_id = message_id
+        self._parent_id = parent_id
+        self._author = author
+        self._content = content
+
+    @property
+    def message_id(self) -> Hashable:
+        return self._message_id
+
+    @property
+    def parent_id(self) -> Optional[Hashable]:
+        return self._parent_id
+
+    @property
+    def author(self) -> str:
+        return self._author
+
+    @property
+    def content(self) -> str:
+        return self._content
+
+    def render_content(self) -> AttributedText:
+        return AttributedText(self.content)