foodie-automator/foodie_weekly_thread.py

# foodie_weekly_thread.py
import json
import os
import logging
import random
import signal
import sys
import fcntl
import time
from datetime import datetime, timedelta, timezone
import tweepy
from openai import OpenAI
from foodie_utils import post_tweet, AUTHORS, SUMMARY_MODEL
from foodie_config import X_API_CREDENTIALS
from dotenv import load_dotenv

load_dotenv()

LOCK_FILE = "/home/shane/foodie_automator/locks/foodie_weekly_thread.lock"
LOG_FILE = "/home/shane/foodie_automator/logs/foodie_weekly_thread.log"
LOG_PRUNE_DAYS = 30
MAX_RETRIES = 3
RETRY_BACKOFF = 2
RECENT_POSTS_FILE = "/home/shane/foodie_automator/recent_posts.json"

def setup_logging():
    """Initialize logging with pruning of old logs."""
    try:
        os.makedirs(os.path.dirname(LOG_FILE), exist_ok=True)
        if os.path.exists(LOG_FILE):
            with open(LOG_FILE, 'r') as f:
                lines = f.readlines()
            cutoff = datetime.now(timezone.utc) - timedelta(days=LOG_PRUNE_DAYS)
            pruned_lines = []
            malformed_count = 0
            for line in lines:
                if len(line) < 19 or not line[:19].replace('-', '').replace(':', '').replace(' ', '').isdigit():
                    malformed_count += 1
                    continue
                try:
                    timestamp = datetime.strptime(line[:19], '%Y-%m-%d %H:%M:%S').replace(tzinfo=timezone.utc)
                    if timestamp > cutoff:
                        pruned_lines.append(line)
                except ValueError:
                    malformed_count += 1
                    continue
            if malformed_count > 0:
                logging.info(f"Skipped {malformed_count} malformed log lines during pruning")
            with open(LOG_FILE, 'w') as f:
                f.writelines(pruned_lines)
        
        logging.basicConfig(
            filename=LOG_FILE,
            level=logging.INFO,
            format='%(asctime)s - %(levelname)s - %(message)s',
            datefmt='%Y-%m-%d %H:%M:%S'
        )
        console_handler = logging.StreamHandler()
        console_handler.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s'))
        logging.getLogger().addHandler(console_handler)
        logging.getLogger("tweepy").setLevel(logging.WARNING)
        logging.info("Logging initialized for foodie_weekly_thread.py")
    except Exception as e:
        print(f"Failed to setup logging: {e}")
        sys.exit(1)

def acquire_lock():
    """Acquire a lock to prevent concurrent runs."""
    os.makedirs(os.path.dirname(LOCK_FILE), exist_ok=True)
    lock_fd = open(LOCK_FILE, 'w')
    try:
        fcntl.flock(lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
        lock_fd.write(str(os.getpid()))
        lock_fd.flush()
        return lock_fd
    except IOError:
        logging.info("Another instance of foodie_weekly_thread.py is running")
        sys.exit(0)

def signal_handler(sig, frame):
    """Handle termination signals gracefully."""
    logging.info("Received termination signal, exiting...")
    sys.exit(0)

signal.signal(signal.SIGTERM, signal_handler)
signal.signal(signal.SIGINT, signal_handler)

# Initialize OpenAI client
try:
    client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
    if not os.getenv("OPENAI_API_KEY"):
        logging.error("OPENAI_API_KEY is not set in environment variables")
        raise ValueError("OPENAI_API_KEY is required")
except Exception as e:
    logging.error(f"Failed to initialize OpenAI client: {e}", exc_info=True)
    sys.exit(1)

def validate_twitter_credentials():
    """Validate Twitter API credentials for all authors."""
    logging.info("Validating Twitter API credentials for all authors")
    valid_credentials = []
    for author in AUTHORS:
        credentials = X_API_CREDENTIALS.get(author["username"])
        if not credentials:
            logging.error(f"No X credentials found for {author['username']} in X_API_CREDENTIALS")
            continue
        for attempt in range(MAX_RETRIES):
            try:
                twitter_client = tweepy.Client(
                    consumer_key=credentials["api_key"],
                    consumer_secret=credentials["api_secret"],
                    access_token=credentials["access_token"],
                    access_token_secret=credentials["access_token_secret"]
                )
                user = twitter_client.get_me()
                logging.info(f"Credentials valid for {author['username']} (handle: {credentials['x_username']})")
                valid_credentials.append(credentials)
                break
            except tweepy.TweepyException as e:
                logging.error(f"Failed to validate credentials for {author['username']} (attempt {attempt + 1}): {e}")
                if attempt < MAX_RETRIES - 1:
                    time.sleep(RETRY_BACKOFF * (2 ** attempt))
                else:
                    logging.error(f"Credentials invalid for {author['username']} after {MAX_RETRIES} attempts")
    if not valid_credentials:
        logging.error("No valid Twitter credentials found for any author")
        raise ValueError("No valid Twitter credentials found")
    return valid_credentials

def load_recent_posts():
    """Load and deduplicate posts from recent_posts.json."""
    posts = []
    unique_posts = {}
    logging.debug(f"Attempting to load posts from {RECENT_POSTS_FILE}")
    
    if not os.path.exists(RECENT_POSTS_FILE):
        logging.error(f"Recent posts file {RECENT_POSTS_FILE} does not exist")
        return posts
    if not os.access(RECENT_POSTS_FILE, os.R_OK):
        logging.error(f"Cannot read {RECENT_POSTS_FILE} due to permission issues")
        return posts
    
    try:
        with open(RECENT_POSTS_FILE, 'r') as f:
            lines = f.readlines()
        logging.debug(f"Read {len(lines)} lines from {RECENT_POSTS_FILE}")
        
        for i, line in enumerate(lines, 1):
            if not line.strip():
                logging.debug(f"Skipping empty line {i} in {RECENT_POSTS_FILE}")
                continue
            try:
                entry = json.loads(line.strip())
                required_fields = ["title", "url", "author_username", "timestamp"]
                if not all(key in entry for key in required_fields):
                    logging.warning(f"Skipping invalid entry at line {i}: missing fields {entry}")
                    continue
                try:
                    datetime.fromisoformat(entry["timestamp"])
                except ValueError:
                    logging.warning(f"Skipping entry at line {i}: invalid timestamp {entry['timestamp']}")
                    continue
                key = (entry["title"], entry["url"], entry["author_username"])
                if key in unique_posts:
                    logging.debug(f"Skipping duplicate entry at line {i}: {entry['title']}")
                    continue
                unique_posts[key] = entry
                posts.append(entry)
            except json.JSONDecodeError as e:
                logging.warning(f"Skipping invalid JSON at line {i}: {e}")
                continue
        logging.info(f"Loaded {len(posts)} unique posts from {RECENT_POSTS_FILE} (after deduplication)")
    except Exception as e:
        logging.error(f"Failed to load {RECENT_POSTS_FILE}: {e}", exc_info=True)
        return posts
    
    if not posts:
        logging.warning(f"No valid posts loaded from {RECENT_POSTS_FILE}")
    return posts

def filter_posts_for_week(posts, start_date, end_date):
    """Filter posts within the specified week."""
    filtered_posts = []
    logging.debug(f"Filtering {len(posts)} posts for range {start_date} to {end_date}")
    
    for post in posts:
        try:
            timestamp = datetime.fromisoformat(post["timestamp"])
            logging.debug(f"Checking post '{post['title']}' with timestamp {timestamp}")
            if start_date <= timestamp <= end_date:
                filtered_posts.append(post)
            else:
                logging.debug(f"Post '{post['title']}' timestamp {timestamp} outside range")
        except ValueError as e:
            logging.warning(f"Skipping post with invalid timestamp: {post.get('title', 'Unknown')} - {e}")
    logging.info(f"Filtered to {len(filtered_posts)} posts within week range")
    return filtered_posts

def generate_intro_tweet(author):
    """Generate an intro tweet for the weekly thread."""
    credentials = next((cred for cred in X_API_CREDENTIALS if cred["username"] == author["username"]), None)
    if not credentials:
        logging.error(f"No X credentials found for {author['username']}")
        return None
    author_handle = credentials["x_username"]
    logging.debug(f"Generating intro tweet for {author_handle}")
    
    prompt = (
        f"Generate a concise tweet (under 280 characters) for {author_handle}. "
        f"Introduce a thread of their top 10 foodie posts of the week on InsiderFoodie.com. "
        f"Make it engaging, create curiosity, and include a call to action to visit InsiderFoodie.com, follow {author_handle}, or like the thread. "
        f"Avoid using the word 'elevate'—use more humanized language like 'level up' or 'bring to life'. "
        f"Do not include emojis, hashtags, or reward-driven incentives (e.g., giveaways)."
    )
    
    for attempt in range(MAX_RETRIES):
        try:
            response = client.chat.completions.create(
                model=SUMMARY_MODEL,
                messages=[
                    {"role": "system", "content": "You are a social media expert crafting engaging tweets."},
                    {"role": "user", "content": prompt}
                ],
                max_tokens=100,
                temperature=0.7
            )
            tweet = response.choices[0].message.content.strip()
            if len(tweet) > 280:
                tweet = tweet[:277] + "..."
            logging.debug(f"Generated intro tweet: {tweet}")
            return tweet
        except Exception as e:
            logging.warning(f"Failed to generate intro tweet for {author['username']} (attempt {attempt + 1}): {e}")
            if attempt < MAX_RETRIES - 1:
                time.sleep(RETRY_BACKOFF * (2 ** attempt))
            else:
                logging.error(f"Failed to generate intro tweet after {MAX_RETRIES} attempts")
                fallback = (
                    f"This week's top 10 foodie finds by {author_handle}! Check out the best on InsiderFoodie.com. "
                    f"Follow {author_handle} for more and like this thread to stay in the loop! Visit us at https://insiderfoodie.com"
                )
                logging.info(f"Using fallback intro tweet: {fallback}")
                return fallback

def generate_final_cta(author):
    """Generate a final CTA tweet for the weekly thread using GPT."""
    credentials = next((cred for cred in X_API_CREDENTIALS if cred["username"] == author["username"]), None)
    if not credentials:
        logging.error(f"No X credentials found for {author['username']}")
        return None
    author_handle = credentials["x_username"]
    logging.debug(f"Generating final CTA tweet for {author_handle}")
    
    prompt = (
        f"Generate a concise tweet (under 280 characters) for {author_handle}. "
        f"Conclude a thread of their top 10 foodie posts of the week on InsiderFoodie.com. "
        f"Make it engaging, value-driven, and urgent, in the style of Neil Patel. "
        f"Include a call to action to visit InsiderFoodie.com and follow {author_handle}. "
        f"Mention that the top 10 foodie trends are shared every Monday. "
        f"Avoid using the word 'elevate'—use humanized language like 'level up' or 'bring to life'. "
        f"Do not include emojis, hashtags, or reward-driven incentives (e.g., giveaways)."
    )
    
    for attempt in range(MAX_RETRIES):
        try:
            response = client.chat.completions.create(
                model=SUMMARY_MODEL,
                messages=[
                    {"role": "system", "content": "You are a social media expert crafting engaging tweets."},
                    {"role": "user", "content": prompt}
                ],
                max_tokens=100,
                temperature=0.7
            )
            tweet = response.choices[0].message.content.strip()
            if len(tweet) > 280:
                tweet = tweet[:277] + "..."
            logging.debug(f"Generated final CTA tweet: {tweet}")
            return tweet
        except Exception as e:
            logging.warning(f"Failed to generate final CTA tweet for {author['username']} (attempt {attempt + 1}): {e}")
            if attempt < MAX_RETRIES - 1:
                time.sleep(RETRY_BACKOFF * (2 ** attempt))
            else:
                logging.error(f"Failed to generate final CTA tweet after {MAX_RETRIES} attempts")
                fallback = (
                    f"Want more foodie insights like these? Check out insiderfoodie.com and follow {author_handle} "
                    f"for the world’s top 10 foodie trends every Monday. Don’t miss out!"
                )
                logging.info(f"Using fallback final CTA tweet: {fallback}")
                return fallback

def post_weekly_thread():
    """Post weekly threads for each author."""
    try:
        logging.info("Starting foodie_weekly_thread.py")
        print("Starting foodie_weekly_thread.py")
        
        valid_credentials = validate_twitter_credentials()
        if not valid_credentials:
            logging.error("No valid Twitter credentials found, exiting")
            return
        
        today = datetime.now(timezone.utc)
        days_to_monday = today.weekday()
        start_date = (today - timedelta(days=days_to_monday + 7)).replace(hour=0, minute=0, second=0, microsecond=0)
        end_date = start_date + timedelta(days=6, hours=23, minutes=59, seconds=59)
        
        logging.info(f"Fetching posts from {start_date} to {end_date}")
        print(f"Fetching posts from {start_date} to {end_date}")
        
        all_posts = load_recent_posts()
        logging.info(f"Loaded {len(all_posts)} posts from recent_posts.json")
        print(f"Loaded {len(all_posts)} posts from recent_posts.json")
        
        if not all_posts:
            logging.warning("No posts loaded, exiting post_weekly_thread")
            print("No posts loaded, exiting post_weekly_thread")
            return
        
        weekly_posts = filter_posts_for_week(all_posts, start_date, end_date)
        logging.info(f"Filtered to {len(weekly_posts)} posts for the week")
        print(f"Filtered to {len(weekly_posts)} posts for the week")
        
        if not weekly_posts:
            logging.warning("No posts found within the week range, exiting post_weekly_thread")
            print("No posts found within the week range, exiting post_weekly_thread")
            return
        
        posts_by_author = {}
        for post in weekly_posts:
            author = post["author_username"]
            if author not in posts_by_author:
                posts_by_author[author] = []
            posts_by_author[author].append(post)
        logging.debug(f"Grouped posts by author: {list(posts_by_author.keys())}")
        
        for author in AUTHORS:
            try:
                author_posts = posts_by_author.get(author["username"], [])
                logging.info(f"Processing author {author['username']} with {len(author_posts)} posts")
                print(f"Processing author {author['username']} with {len(author_posts)} posts")
                
                if not author_posts:
                    logging.info(f"No posts found for {author['username']} this week")
                    print(f"No posts found for {author['username']} this week")
                    continue
                
                author_posts.sort(key=lambda x: x.get("timestamp", ""), reverse=True)
                top_posts = author_posts[:10]
                logging.info(f"Selected {len(top_posts)} top posts for {author['username']}")
                print(f"Selected {len(top_posts)} top posts for {author['username']}")
                
                intro_tweet = generate_intro_tweet(author)
                if not intro_tweet:
                    logging.error(f"Failed to generate intro tweet for {author['username']}, skipping")
                    continue
                logging.info(f"Posting intro tweet for {author['username']}: {intro_tweet}")
                print(f"Posting intro tweet for {author['username']}: {intro_tweet}")
                
                intro_response = post_tweet(author, intro_tweet)
                if not intro_response:
                    logging.error(f"Failed to post intro tweet for {author['username']}, skipping thread")
                    print(f"Failed to post intro tweet for {author['username']}")
                    continue
                
                intro_tweet_id = intro_response.get("id")
                last_tweet_id = intro_tweet_id
                logging.debug(f"Intro tweet posted with ID {intro_tweet_id}")
                
                for i, post in enumerate(top_posts, 1):
                    try:
                        post_tweet_content = f"{i}. {post['title']} Link: {post['url']}"
                        logging.info(f"Posting thread reply {i} for {author['username']}: {post_tweet_content}")
                        print(f"Posting thread reply {i} for {author['username']}: {post_tweet_content}")
                        reply_response = post_tweet(author, post_tweet_content, reply_to_id=last_tweet_id)
                        if not reply_response:
                            logging.error(f"Failed to post thread reply {i} for {author['username']}")
                        else:
                            last_tweet_id = reply_response.get("id")
                            logging.debug(f"Thread reply {i} posted with ID {last_tweet_id}")
                    except Exception as e:
                        logging.error(f"Error posting thread reply {i} for {author['username']}: {e}", exc_info=True)
                        continue
                
                # Post final CTA tweet
                if last_tweet_id and top_posts:  # Ensure there's a valid thread to reply to
                    try:
                        final_cta = generate_final_cta(author)
                        if not final_cta:
                            logging.error(f"Failed to generate final CTA tweet for {author['username']}, skipping")
                            continue
                        logging.info(f"Posting final CTA tweet for {author['username']}: {final_cta}")
                        print(f"Posting final CTA tweet for {author['username']}: {final_cta}")
                        cta_response = post_tweet(author, final_cta, reply_to_id=last_tweet_id)
                        if not cta_response:
                            logging.error(f"Failed to post final CTA tweet for {author['username']}")
                        else:
                            logging.debug(f"Final CTA tweet posted with ID {cta_response.get('id')}")
                    except Exception as e:
                        logging.error(f"Error posting final CTA tweet for {author['username']}: {e}", exc_info=True)
                
                logging.info(f"Successfully posted weekly thread for {author['username']}")
                print(f"Successfully posted weekly thread for {author['username']}")
            except Exception as e:
                logging.error(f"Error processing author {author['username']}: {e}", exc_info=True)
                continue
        
        logging.info("Completed foodie_weekly_thread.py")
        print("Completed foodie_weekly_thread.py")
    except Exception as e:
        logging.error(f"Unexpected error in post_weekly_thread: {e}", exc_info=True)
        print(f"Error in post_weekly_thread: {e}")

def main():
    """Main function to run the script."""
    lock_fd = None
    try:
        lock_fd = acquire_lock()
        setup_logging()
        post_weekly_thread()
    except Exception as e:
        logging.error(f"Fatal error in main: {e}", exc_info=True)
        print(f"Fatal error: {e}")
        sys.exit(1)
    finally:
        if lock_fd:
            fcntl.flock(lock_fd, fcntl.LOCK_UN)
            lock_fd.close()
            os.remove(LOCK_FILE) if os.path.exists(LOCK_FILE) else None

if __name__ == "__main__":
    main()