From c656c1941642d1e7db40edd684013b49c5053fe6 Mon Sep 17 00:00:00 2001
From: Mole Shang <135e2@135e2.dev>
Date: Wed, 25 Jan 2023 13:20:22 +0800
Subject: feat(bot.py): prompt user to set valid email

---
 bot.py | 46 +++++++++++++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 15 deletions(-)

diff --git a/bot.py b/bot.py
index 66a403c..68be042 100644
--- a/bot.py
+++ b/bot.py
@@ -102,18 +102,26 @@ async def inbox(update: Update, context: CallbackContext) -> None:
     if not is_owner(update):
         return
     logger.info("received inbox command.")
-    with EmailClient(email_addr, email_passwd) as client:
-        global inbox_num
-        new_num = client.get_mails_count()
-        reply_text = (
-            "The index of newest mail is *%d*,"
-            " received *%d* new mails since last"
-            " time you checked." % (new_num, new_num - inbox_num)
-        )
-        inbox_num = new_num
+    try:
+        with EmailClient(email_addr, email_passwd) as client:
+            global inbox_num
+            new_num = client.get_mails_count()
+            reply_text = (
+                "The index of newest mail is *%d*,"
+                " received *%d* new mails since last"
+                " time you checked." % (new_num, new_num - inbox_num)
+            )
+            inbox_num = new_num
+            await context.bot.send_message(
+                update.message.chat_id, parse_mode=ParseMode.MARKDOWN, text=reply_text
+            )
+    except NameError as e:
         await context.bot.send_message(
-            update.message.chat_id, parse_mode=ParseMode.MARKDOWN, text=reply_text
+            update.message.chat_id,
+            parse_mode=ParseMode.MARKDOWN,
+            text="Email unset, please set valid email by the '/setting' command.",
         )
+        logger.warning(e)
 
 
 async def get_email(update: Update, context: CallbackContext) -> None:
@@ -125,11 +133,19 @@ async def get_email(update: Update, context: CallbackContext) -> None:
             update.message.chat_id, text="$index should be a positive number!"
         )
     logger.info("received get command.")
-    with EmailClient(email_addr, email_passwd) as client:
-        mail = client.get_mail_by_index(index)
-        content = mail.__repr__()
-        for text in handle_large_text(content):
-            await context.bot.send_message(update.message.chat_id, text=text)
+    try:
+        with EmailClient(email_addr, email_passwd) as client:
+            mail = client.get_mail_by_index(index)
+            content = mail.__repr__()
+            for text in handle_large_text(content):
+                await context.bot.send_message(update.message.chat_id, text=text)
+    except NameError as e:
+        await context.bot.send_message(
+            update.message.chat_id,
+            parse_mode=ParseMode.MARKDOWN,
+            text="Email unset, please set valid email by the '/setting' command.",
+        )
+        logger.warning(e)
 
 
 def main():
-- 
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