feat: added timer to show user how much time is remaining for potd submisson.

Rajat069 · Rajat069 · commit 9d1edb61d570 · 2025-10-26T19:41:03.000+05:30
diff --git a/src/email_service.py b/src/email_service.py
@@ -1,10 +1,11 @@
 import smtplib
 from email.message import EmailMessage
 from . import config
+from datetime import datetime, timezone, timedelta
 
 def send_email(to_email, subject, html_content):
     """Sends an email using the configured SMTP settings."""
-    # Config is now loaded from config.py
+   
     if not config.SMTP_USER or not config.SMTP_PASSWORD:
         print(f"[ERROR] SMTP not configured. Skipping email to {to_email}")
         return False
@@ -25,46 +26,54 @@ def send_email(to_email, subject, html_content):
         return True
     except smtplib.SMTPAuthenticationError:
         print(f"\n Authentication failed for {config.SMTP_USER}.")
-        print("   Please check that your GMAIL_APP_PASSWORD is correct.")
+        print("  Please check that your GMAIL_APP_PASSWORD is correct.")
         return False
     except Exception as e:
         print(f"\n Failed to send email to {to_email}: {e}")
         return False
 
 
 def build_html_email(username, title, link, solved, quote=None, hints=None):
-    """Builds a responsive email with optional AI hints and quotes."""
+    """Builds a responsive email with optional AI hints, quotes, and a live countdown GIF."""
     
     if hints is None:
         hints = []
 
+    timer_html = ""
+
     if solved:
         preheader_text = f"Great job on solving {title}!"
         heading = f"🎉 Great Job, {username}!"
         subtext = f"You’ve completed today’s LeetCode challenge: <strong>{title}</strong>. Keep up the amazing momentum!"
         button_text = "View Challenge"
-        button_color = "#4CAF50" # Green
-        
-        # Use the AI quote for the footer
+        button_color = "#4CAF50" 
         footer = f"<em>“{quote}”</em>" if quote else "<em>Keep up the great work!</em>"
-        
         hints_html = ""
         
     else:
         preheader_text = f"Don't forget to solve {title} today!"
-        heading = f"⚠️ Hey {username}, time to code!"
+        heading = f"Hey <a href='https://leetcode.com/u/{username}' target='_blank' style='text-decoration: none;'>{username}</a>, time to code!"
         subtext = f"Today's problem, <strong>{title}</strong>, is waiting for you. Don't miss out on your streak!"
         button_text = f"Solve '{title}' Now"
-        button_color = "#000000" # Black
-        
-        # Use the AI quote for the footer
+        button_color = "#000000" 
         footer = f"<em>“{quote}”</em>" if quote else "<em>“Small daily improvements lead to big results.” 🌱</em>"
 
-        # --- NEW HINTS SECTION ---
+        deadline_iso = get_deadline_for_potd()
+        gif_url = f"https://i.countdownmail.com/4khdvf.gif?end_date_time={deadline_iso}"
+                
+        timer_html = f"""
+            <tr>
+                <td align="center" style="padding: 10px 0 10px 0;">
+                    <a href="{link}" target="_blank" style="text-decoration: none;">
+                        <img src="{gif_url}" style="width:45%!important;" border="0" alt="Time remaining to solve"/>
+                    </a>
+                </td>
+            </tr>
+        """
+        
+        # --- Hints Section ---
         if hints:
-            # Build an HTML list of hints
             hints_list_items = "".join([f'<li style="margin-bottom: 10px; line-height: 1.6;">{h}</li>' for h in hints])
-            
             hints_html = f"""
             <table border="0" cellpadding="0" cellspacing="0" width="100%" style="margin-top: 30px;">
                 <tr>
@@ -78,7 +87,7 @@ def build_html_email(username, title, link, solved, quote=None, hints=None):
             </table>
             """
         else:
-            hints_html = "" # No hints if the list is empty
+            hints_html = ""
 
     # --- HTML & CSS Template ---
     return f"""
@@ -91,16 +100,7 @@ def build_html_email(username, title, link, solved, quote=None, hints=None):
             <meta name="x-apple-disable-message-reformatting">
             <title>LeetCode Reminder</title>
 
-            <!--[if mso]>
-                <style>
-                    * {{
-                        font-family: sans-serif !important;
-                    }}
-                </style>
-            <![endif]-->
-
             <style>
-                /* CSS resets and base styles */
                 html, body {{
                     margin: 0 auto !important;
                     padding: 0 !important;
@@ -110,90 +110,72 @@ def build_html_email(username, title, link, solved, quote=None, hints=None):
                     font-family: 'Helvetica Neue', Arial, sans-serif;
                     color: #333;
                 }}
-
-                /* Center the email */
                 .wrapper {{
                     width: 100%;
                     background-color: #f1f1f1;
                 }}
-
-                /* Main container */
                 .container {{
                     width: 600px;
                     margin: 0 auto;
                     background-color: #ffffff;
                     border-radius: 8px;
                     border: 1px solid #ddd;
                 }}
-
-                /* Responsive styles */
                 @media screen and (max-width: 600px) {{
                     .container {{
                         width: 100% !important;
                         margin: 0 !important;
                         border: none !important;
-                        border-radius: 0 !important;
+                        border-radius: 0 !Dimportant;
                     }}
                     .content {{
                         padding: 25px !important;
                     }}
                     .button-link {{
                         display: block !important;
                         width: 100% !important;
-                        box-sizing: border-box; /* Ensures padding doesn't break width */
+                        box-sizing: border-box;
                     }}
                 }}
             </style>
         </head>
         <body style="margin: 0; padding: 0 !important; background-color: #f1f1f1;">
-            <!-- Visually hidden preheader text -->
             <div style="display: none; font-size: 1px; line-height: 1px; max-height: 0px; max-width: 0px; opacity: 0; overflow: hidden; mso-hide: all; font-family: sans-serif;">
                 {preheader_text}
             </div>
 
             <center class="wrapper">
                 <div style="max-width: 600px; margin: 0 auto;">
-                    <!--[if (gte mso 9)|(IE)]>
-                    <table align="center" border="0" cellspacing="0" cellpadding="0" width="600" style="width:600px;">
-                    <tr>
-                    <td align="center" valign="top">
-                    <![endif]-->
-                    
                     <table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" class="container" style="max-width: 600px; margin: 20px auto; background: #ffffff; border-radius: 8px; border: 1px solid #ddd;">
-                        <!-- Logo/Header (Optional, but good practice) -->
                         <tr>
-                            <td align="center" style="padding: 20px 0 10px 0; font-size: 20px; font-weight: 600; color: #000;">
+                            <td align="center" style="padding: 20px 0 15px 0; font-size: 20px; font-weight: 600; color: #000;">
                                <img src="https://i.postimg.cc/qRgJjC6P/Leet-Code-logo-black.png" alt="" width="20px" height="20px">
                                 LeetCode Daily Reminder
                             </td>
                         </tr>
-                        
-                        <!-- Main Content -->
+                        {timer_html}
                         <tr>
                             <td class="content" style="padding: 30px 40px;">
-                                <h1 style="margin: 0 0 20px 0; font-size: 24px; font-weight: 600; color: #000;">{heading}</h1>
+                                <h1 style="margin: 0 0 20px 0; font-size: 24px; font-weight: 600; color: #000; text-align: center;">{heading}</h1>
                                 <p style="margin: 0 0 30px 0; font-size: 16px; line-height: 1.6;">
                                     {subtext}
                                 </p>
                                 
-                                <!-- CTA Button -->
                                 <table border="0" cellpadding="0" cellspacing="0" width="100%">
                                     <tr>
-                                        <td align="left">
+                                        <td align="center">
                                             <a href="{link}" target="_blank" class="button-link" style="background-color: {button_color}; color: #ffffff; font-size: 16px; font-weight: bold; text-decoration: none; padding: 14px 22px; border-radius: 5px; display: inline-block;">
                                                 {button_text} &rarr;
                                             </a>
                                         </td>
                                     </tr>
                                 </table>
                                 
-                                <!-- **** NEW: HINTS BLOCK INJECTED HERE **** -->
                                 {hints_html}
                                 
                             </td>
                         </tr>
                         
-                        <!-- Footer Quote -->
                         <tr>
                             <td class="content" style="padding: 0 40px 30px 40px; border-top: 1px solid #eee;">
                                 <p style="margin: 20px 0 0 0; font-size: 14px; color: #555; text-align: left;">
@@ -203,17 +185,38 @@ def build_html_email(username, title, link, solved, quote=None, hints=None):
                         </tr>
                     </table>
 
-                    <!--[if (gte mso 9)|(IE)]>
-                    </td>
-                    </tr>
-                    </table>
-                    <![endif]-->
-                </div>
+                    </div>
             </center>
         </body>
         </html>
             """
 
+def get_deadline_for_potd(hour=17, minute=0):
+    """
+    Returns a deadline in UTC ISO format (YYYY-MM-DDTHH:MM:SSZ) 
+    based on the current time in PST. 
+    
+    Parameters:
+    hour (int): The hour in PST to use for the deadline (default: 17)
+    minute (int): The minute in PST to use for the deadline (default: 0)
+
+    Returns:
+    str: The deadline in UTC ISO format
+    """
+    tz_pst = timezone(timedelta(hours=-8))  # PST
+
+    now_utc = datetime.now(timezone.utc)
+    now_pst = now_utc.astimezone(tz_pst)
+
+    today_deadline_pst = now_pst.replace(hour=hour, minute=minute, second=0, microsecond=0)
+
+    if now_pst >= today_deadline_pst:
+        today_deadline_pst += timedelta(days=1)
+
+    deadline_utc = today_deadline_pst.astimezone(timezone.utc)
+    return deadline_utc.isoformat()
+
+
 #To Do - add a function that send admin email when bot is stopped
 #def stop_bot_admin_email():
 
diff --git a/src/gemini_service.py b/src/gemini_service.py
@@ -1,11 +1,10 @@
 import requests
 import json
-import random
 from . import config
 import time
 
 # --- Default Fallbacks ---
-DEFAULT_QUOTE = "Keep pushing! You’re closer than you think. 💪"
+DEFAULT_QUOTE = "Keep pushing! You’re closer than you think."
 DEFAULT_HINTS = ["Try to break the problem down into smaller pieces.", "Think about the data structures that might be useful here."]
 
 def call_gemini_api(prompt_text, expect_json=False):
