adding new files

Author: vivekbargude

.github/workflows/daily.yml

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+name: LeetCode Daily Mailer
+
+on:
+  schedule:
+    - cron: '30 2 * * *'  # Runs daily at 8:00 AM IST (2:30 AM UTC)
+  workflow_dispatch:       # Allow manual trigger from GitHub UI
+
+jobs:
+  send-mail:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: pip install requests
+
+      - name: Run script
+        env:
+          SENDER_EMAIL: ${{ secrets.SENDER_EMAIL }}
+          RECEIVER_EMAIL: ${{ secrets.RECEIVER_EMAIL }}
+          EMAIL_PASSWORD: ${{ secrets.EMAIL_PASSWORD }}
+        run: python daily_leetcode.py

leetcode_daily_mailer.py

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+import requests
+import smtplib
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+import os
+
+def get_title_slug():
+    query = {
+        "query": """
+        query questionOfToday {
+            activeDailyCodingChallengeQuestion {
+                date
+                link
+                question {
+                    title
+                    titleSlug
+                    difficulty
+                    topicTags {
+                        name
+                    }
+                }
+            }
+        }
+        """
+    }
+
+    headers = {"Content-Type": "application/json"}
+    response = requests.post("https://leetcode.com/graphql", json=query, headers=headers)
+    if response.status_code != 200:
+        raise Exception("Failed to fetch daily question")
+
+    data = response.json()['data']['activeDailyCodingChallengeQuestion']
+    question = data['question']
+    return {
+        "title": question['title'],
+        "titleSlug": question['titleSlug'],
+        "difficulty": question['difficulty'],
+        "tags": [tag['name'] for tag in question['topicTags']],
+        "link": "https://leetcode.com" + data['link']
+    }
+
+def get_full_question_data(title_slug):
+    query = {
+        "query": """
+        query getQuestionDetail($titleSlug: String!) {
+            question(titleSlug: $titleSlug) {
+                title
+                content
+                difficulty
+                exampleTestcases
+            }
+        }
+        """,
+        "variables": {
+            "titleSlug": title_slug
+        }
+    }
+
+    headers = {"Content-Type": "application/json"}
+    response = requests.post("https://leetcode.com/graphql", json=query, headers=headers)
+    if response.status_code != 200:
+        raise Exception("Failed to fetch question details")
+
+    return response.json()['data']['question']
+
+def send_email(subject, body_html):
+    sender_email = os.environ['SENDER_EMAIL']
+    receiver_email = os.environ['RECEIVER_EMAIL']
+    
+    password = os.environ['EMAIL_PASSWORD']
+
+    msg = MIMEMultipart("alternative")
+    msg['Subject'] = subject
+    msg['From'] = sender_email
+    msg['To'] = receiver_email
+
+    part = MIMEText(body_html, "html")
+    msg.attach(part)
+
+    with smtplib.SMTP_SSL("smtp.gmail.com", 465) as server:
+        server.login(sender_email, password)
+        server.sendmail(sender_email, receiver_email, msg.as_string())
+
+def main():
+    print("Fetching daily LeetCode problem...")
+    basic_info = get_title_slug()
+    full_question = get_full_question_data(basic_info["titleSlug"])
+
+    html_body = f"""
+    <h2>🧠 LeetCode Daily Challenge: {full_question['title']}</h2>
+    <p><b>Difficulty:</b> {full_question['difficulty']}</p>
+    <p><b>Tags:</b> {', '.join(basic_info['tags'])}</p>
+    <p><a href="{basic_info['link']}">🔗 View Problem on LeetCode</a></p>
+    <hr>
+    {full_question['content']}
+    <hr>
+    <h4>Example Testcases:</h4>
+    <pre>{full_question['exampleTestcases']}</pre>
+    """
+
+    send_email(f"📌 LeetCode Daily Challenge: {full_question['title']}", html_body)
+    print("✅ Email sent successfully!")
+
+if __name__ == "__main__":
+    main()