init commit

app/services/telegram.py

@@ -0,0 +1,19 @@
+from typing import Iterable
+
+def make_keyboard_payload(buttons: Iterable[tuple[str, str]] | None):
+    if not buttons:
+        return None
+    rows = [[{"text": t, "url": u}] for t, u in buttons]
+    return {"rows": rows}
+
+
+def build_payload(ptype: str, text: str | None, media_file_id: str | None,
+                   parse_mode: str | None, keyboard: dict | None) -> dict:
+    # ptype: "text" | "photo" | "video" | "animation"
+    return {
+        "type": ptype,
+        "text": text,
+        "media_file_id": media_file_id,
+        "parse_mode": parse_mode,
+        "keyboard": keyboard,
+    }