feat: Modularize handlers

Signed-off-by: Frost Ming <me@frostming.com>

handlers/github.py

@@ -0,0 +1,39 @@
+import subprocess
+
+from telebot import TeleBot
+from telebot.types import Message
+
+
+def github_poster_handler(message: Message, bot: TeleBot):
+    """github poster: /github <github_user_name> [<start>-<end>]"""
+    reply_message = bot.reply_to(message, "Generating poster please wait:")
+    m = message.text.strip()
+    message_list = m.split(",")
+    name = message_list[0].strip()
+    cmd_list = ["github_poster", "github", "--github_user_name", name, "--me", name]
+    if len(message_list) > 1:
+        years = message_list[1]
+        cmd_list.append("--year")
+        cmd_list.append(years.strip())
+    r = subprocess.check_output(cmd_list).decode("utf-8")
+    try:
+        if "done" in r:
+            # TODO windows path
+            r = subprocess.check_output(
+                ["cairosvg", "OUT_FOLDER/github.svg", "-o", f"github_{name}.png"]
+            ).decode("utf-8")
+            with open(f"github_{name}.png", "rb") as photo:
+                bot.send_photo(
+                    message.chat.id, photo, reply_to_message_id=message.message_id
+                )
+    finally:
+        bot.delete_message(reply_message.chat.id, reply_message.message_id)
+
+
+def register(bot: TeleBot) -> None:
+    bot.register_message_handler(
+        github_poster_handler, commands=["github"], pass_bot=True
+    )
+    bot.register_message_handler(
+        github_poster_handler, regexp="^github:", pass_bot=True
+    )