From 24510d26e25cf3b0d44b0f25f3ba141cb1e90730 Mon Sep 17 00:00:00 2001
From: Luciano Gervasoni <luciano.gervasoni@protonmail.com>
Date: Mon, 8 Sep 2025 17:55:03 +0200
Subject: [PATCH] Notifications, info and warning

---
 app_urls/fetcher/src/notifier.py | 97 ++++++++++++++++++++++++++++++--
 1 file changed, 92 insertions(+), 5 deletions(-)

diff --git a/app_urls/fetcher/src/notifier.py b/app_urls/fetcher/src/notifier.py
index eabb1cb..d1a4913 100644
--- a/app_urls/fetcher/src/notifier.py
+++ b/app_urls/fetcher/src/notifier.py
@@ -5,8 +5,7 @@ from django.db.models import Count
 import requests
 import os
 
-
-def notify_telegram(last_hours=12):
+def notify_telegram_info(last_hours, channel="INFO"):
     start_date = timezone.now() - timedelta(hours=last_hours)
     
     # Count the number of URLs grouped by status within the date range
@@ -30,9 +29,8 @@ def notify_telegram(last_hours=12):
                                 .order_by('id_search__search')
 
 
-    bot_token = os.environ.get("TELEGRAM_BOT_TOKEN", "")
-    chat_id = os.environ.get("TELEGRAM_CHAT_ID", "")
-
+    bot_token = os.environ.get("TELEGRAM_{}_BOT_TOKEN".format(channel), "")
+    chat_id = os.environ.get("TELEGRAM_{}_CHAT_ID".format(channel), "")
 
     message = "During the last {} hours:\n".format(last_hours)
     
@@ -55,3 +53,92 @@ def notify_telegram(last_hours=12):
 
     # POST
     response = requests.post(url, params=params)
+
+
+def notify_telegram_warning(last_hours, channel="WARNING"):
+    # Message appending logic
+    message = ""
+
+    start_date = timezone.now() - timedelta(hours=last_hours)
+    
+    # Count the number of URLs grouped by status within the date range
+    urls_data_status = Urls.objects.filter(ts_fetch__gte=start_date) \
+                            .values('status') \
+                            .annotate(count=Count('id')) \
+                            .order_by('status')
+    
+    # Build dictionary
+    urls_data_status_dict = {}
+    for o in urls_data_status:
+        # #STATUS
+        urls_data_status_dict[o.get("status")] = o.get("count")
+        # #TOTAL
+        urls_data_status_dict["total"] = urls_data_status_dict.get("total", 0) + o.get("count")
+
+    MINIMUM_URLS_THRESHOLD = 10
+    MINIMUM_PROCESSED_URLS_RATIO = 0.5
+
+    # Minimum amount of URLs
+    if (urls_data_status_dict.get("total") < MINIMUM_URLS_THRESHOLD):
+        message += "WARNING - Total #URLS during the last {} hours: {}\n".format(last_hours, urls_data_status_dict.get("total"))
+        message += "\nURLs per status:\n"
+        for o in urls_data_status:
+            message += "  {}: {}\n".format(o.get("status"), o.get("count"))
+    
+    # Minimum ratio of processed raw urls
+    if (urls_data_status_dict.get("total") > 0):
+        if (urls_data_status_dict.get("raw") / urls_data_status_dict.get("total") < MINIMUM_PROCESSED_URLS_RATIO):
+            message += "WARNING - Small ratio of processed raw URLs during the last {} hours: {}\n".format(last_hours, urls_data_status_dict.get("total"))
+            message += "\nURLs per status:\n"
+            for o in urls_data_status:
+                message += "  {}: {}\n".format(o.get("status"), o.get("count"))
+
+
+    # Count the number of URLs grouped by source
+    urls_data_source = UrlsSourceSearch.objects \
+                                .filter(id_url__ts_fetch__gte=start_date) \
+                                .values('id_source__source') \
+                                .annotate(count=Count('id_url')) \
+                                .order_by('id_source__source')
+    
+    MINIMUM_SOURCES = 2
+    if (len(urls_data_source) < MINIMUM_SOURCES):
+        message += "WARNING - Very few sources found URLs during the last {} hours".format(last_hours)
+        message += "\nURLs per source:\n"
+        for o in urls_data_source:
+            message += "  {}: {}\n".format(o.get("id_source__source"), o.get("count"))
+
+    """
+    # TODO: URLs per search, key should be present for cnbc.com, foxnews.com, zerohedge.com, breitbart.com, child abuse, child neglect
+    # Count the number of URLs grouped by search
+    urls_data_search = UrlsSourceSearch.objects \
+                                .filter(id_url__ts_fetch__gte=start_date) \
+                                .values('id_search__search') \
+                                .annotate(count=Count('id_url')) \
+                                .order_by('id_search__search')
+
+    message += "\nURLs per search:\n"
+    for o in urls_data_search:
+        message += "  {}: {}\n".format(o.get("id_search__search"), o.get("count"))
+    """
+    
+    # Valid message body?
+    if (message != ""):
+        bot_token = os.environ.get("TELEGRAM_{}_BOT_TOKEN".format(channel), "")
+        chat_id = os.environ.get("TELEGRAM_{}_CHAT_ID".format(channel), "")
+        
+        url = f"https://api.telegram.org/bot{bot_token}/sendMessage"
+        params = {
+            "chat_id": chat_id,
+            "text": message
+        }
+
+        # POST
+        response = requests.post(url, params=params)
+
+
+def notify_telegram(last_hours=12):
+    # INFO
+    notify_telegram_info(last_hours, channel="INFO")
+    # WARNING
+    notify_telegram_warning(last_hours, channel="WARNING")