fix session expired and try variant timing

.env.example

@@ -7,8 +7,10 @@ TELEGRAM_CHAT_ID=your_chat_id_here
 INBERLIN_EMAIL=your_email@example.com
 INBERLIN_PASSWORD=your_password_here
 
-# Check interval in seconds (default: 300 = 5 minutes)
-CHECK_INTERVAL=300
+# Check interval in seconds (default: 150 = 2.5 minutes)
+# Randomized by ±CHECK_INTERVAL_VARIANCE to avoid bot detection
+CHECK_INTERVAL=150
+CHECK_INTERVAL_VARIANCE=30
 
 # Form Data for Autopilot Applications
 FORM_ANREDE=Herr

application_handler.py

@@ -699,9 +699,11 @@ Total listings tracked: {total_listings}
 
             # Attempt login if not already logged in
             if not self.state_manager.logged_in:
+                logger.info("Not logged in - attempting login")
                 login_success = await self.login(page)
                 if login_success:
                     self.state_manager.logged_in = True
+                    logger.info("Login successful - session established")
                 else:
                     logger.warning("Login failed. Proceeding with public listings.")
 
@@ -752,6 +754,10 @@ Total listings tracked: {total_listings}
             logger.info(f"Collected content from {page_num} page(s)")
             content = all_content
 
+            # Session validation: if logged in but only got 1 page, session may be expired
+            if self.state_manager.logged_in and page_num == 1:
+                logger.warning("Logged in but only 1 page fetched - possible session expiration")
+
             # Debug: save HTML to file for inspection
             debug_path = DATA_DIR / "debug_page.html"
             with open(debug_path, "w", encoding="utf-8") as f:
@@ -827,6 +833,9 @@ Total listings tracked: {total_listings}
 
             if not listings:
                 logger.warning("No listings parsed")
+                # Additional check: if we have deeplinks but no parsed listings, something went wrong
+                if len(id_to_link) > 0:
+                    logger.warning(f"Found {len(id_to_link)} deeplinks but parsed 0 listings - extraction issue")
 
             await page.close()
             logger.info(f"Fetched {len(listings)} listings")

main.py

@@ -12,6 +12,7 @@ from pathlib import Path
 from autoclean_debug import autoclean_debug_material
 from datetime import datetime, timezone
 import time
+import random
 
 
 # --- Environment & Logging Setup ---
@@ -46,7 +47,15 @@ logger = logging.getLogger(__name__)  # Use named logger
 logger.info("Bot starting | Logs: data/monitor.log + console")
 
 # Interval (seconds) between checks for new listings
-CHECK_INTERVAL = int(os.getenv("CHECK_INTERVAL", 300))  # Default: 300 seconds
+CHECK_INTERVAL = int(os.getenv("CHECK_INTERVAL", 150))  # Default: 150 seconds (2.5 min)
+CHECK_INTERVAL_VARIANCE = int(os.getenv("CHECK_INTERVAL_VARIANCE", 30))  # Default: ±30 seconds randomization
+
+def get_randomized_interval() -> int:
+    """Get check interval with random variance to avoid bot detection patterns."""
+    variance = random.randint(-CHECK_INTERVAL_VARIANCE, CHECK_INTERVAL_VARIANCE)
+    interval = CHECK_INTERVAL + variance
+    # Ensure minimum of 60 seconds to avoid excessive load
+    return max(60, interval)
 
 
 def validate_config() -> bool:
@@ -139,9 +148,11 @@ async def main() -> None:
 
 
     try:
-        logger.info(f"Bot is now running. Refreshing every {CHECK_INTERVAL} seconds...")
+        logger.info(f"Bot is now running. Refreshing every {CHECK_INTERVAL}±{CHECK_INTERVAL_VARIANCE}s (randomized)...")
         last_clean = 0
         CLEAN_INTERVAL = 48 * 3600  # 48 hours in seconds
+        zero_listings_count = 0  # Track consecutive zero-listing fetches
+        MAX_ZERO_LISTINGS = 3  # Re-login after 3 consecutive zero fetches
         while True:
             now = asyncio.get_event_loop().time()
             # Autoclean debug material every 48 hours
@@ -158,11 +169,30 @@ async def main() -> None:
                 # Check if monitoring is enabled before fetching listings
                 if not state_manager.is_monitoring_enabled():
                     logger.debug("Monitoring is paused, skipping listing check")
-                    await asyncio.sleep(CHECK_INTERVAL)
+                    sleep_interval = get_randomized_interval()
+                    await asyncio.sleep(sleep_interval)
                     _flush_rotating_file_handlers()
                     continue
 
                 current_listings = await app_handler.fetch_listings()
+
+                # Session validation: detect when listings fetch returns empty repeatedly
+                if not current_listings or len(current_listings) == 0:
+                    zero_listings_count += 1
+                    logger.warning(f"Zero listings fetched ({zero_listings_count}/{MAX_ZERO_LISTINGS})")
+
+                    if zero_listings_count >= MAX_ZERO_LISTINGS:
+                        logger.warning("Session likely expired - forcing re-login")
+                        state_manager.set_logged_in(False)
+                        zero_listings_count = 0
+                        await asyncio.sleep(5)
+                        continue
+                else:
+                    # Reset counter on successful fetch
+                    if zero_listings_count > 0:
+                        logger.info(f"Session recovered - listings fetched successfully")
+                    zero_listings_count = 0
+
             except Exception as e:
                 logger.error(f"💥 Browser crash: {e}")
                 logger.info("Recovering...")
@@ -186,7 +216,9 @@ async def main() -> None:
 
             if not current_listings:
                 logger.warning("No listings fetched")
-                await asyncio.sleep(CHECK_INTERVAL)
+                sleep_interval = get_randomized_interval()
+                logger.debug(f"Sleeping for {sleep_interval}s (randomized)")
+                await asyncio.sleep(sleep_interval)
                 _flush_rotating_file_handlers()
                 continue
             previous_listings = app_handler.load_previous_listings()
@@ -208,7 +240,9 @@ async def main() -> None:
                     }
                     app_handler.save_application(result)
                 app_handler.save_listings(current_listings)
-                await asyncio.sleep(CHECK_INTERVAL)
+                sleep_interval = get_randomized_interval()
+                logger.debug(f"Sleeping for {sleep_interval}s (randomized)")
+                await asyncio.sleep(sleep_interval)
                 _flush_rotating_file_handlers()
                 continue
             new_listings = app_handler.find_new_listings(current_listings, previous_listings)
@@ -221,7 +255,9 @@ async def main() -> None:
                     application_results = await app_handler.apply_to_listings(new_listings)
             app_handler.notify_new_listings(new_listings, application_results)
             app_handler.save_listings(current_listings)
-            await asyncio.sleep(CHECK_INTERVAL)
+            sleep_interval = get_randomized_interval()
+            logger.debug(f"Next check in {sleep_interval}s")
+            await asyncio.sleep(sleep_interval)
             _flush_rotating_file_handlers()
     except (KeyboardInterrupt, SystemExit):
         logger.info("Shutting down...")

telegram_bot.py

@@ -198,9 +198,16 @@ class TelegramBot:
                             self.last_update_id = update["update_id"]
                             self._handle_update(update)
             except requests.exceptions.Timeout:
+                logger.debug("Telegram polling timeout (normal - will retry)")
                 continue
+            except requests.exceptions.ConnectionError as e:
+                logger.warning(f"Telegram connection error (will retry): {str(e)[:100]}")
+                time.sleep(5)
+            except requests.exceptions.RequestException as e:
+                logger.error(f"Telegram request error: {type(e).__name__}: {str(e)[:100]}")
+                time.sleep(5)
             except Exception as e:
-                logger.error(f"Telegram polling error: {e}")
+                logger.error(f"Telegram polling error: {type(e).__name__}: {str(e)[:100]}")
                 time.sleep(5)
 
     def _handle_update(self, update: dict) -> None:

tests/test_randomized_timing.py

@@ -0,0 +1,66 @@
+"""Tests for randomized timing functionality"""
+import pytest
+import random
+
+
+def get_randomized_interval(base_interval: int = 150, variance: int = 30) -> int:
+    """Get check interval with random variance to avoid bot detection patterns."""
+    variance_value = random.randint(-variance, variance)
+    interval = base_interval + variance_value
+    # Ensure minimum of 60 seconds to avoid excessive load
+    return max(60, interval)
+
+
+class TestRandomizedTiming:
+    """Test randomized check interval functionality"""
+
+    def test_randomized_interval_within_bounds(self):
+        """Test that randomized interval stays within expected bounds"""
+        # Test multiple intervals to ensure randomization
+        intervals = [get_randomized_interval(150, 30) for _ in range(100)]
+
+        # All intervals should be between 120 and 180 (150 ± 30)
+        assert all(120 <= i <= 180 for i in intervals), f"Some intervals outside bounds"
+
+        # Should have some variance (not all the same)
+        assert len(set(intervals)) > 1, "No randomization detected - all intervals are identical"
+
+    def test_minimum_interval_enforced(self):
+        """Test that minimum 60s interval is enforced even with high variance"""
+        # Test multiple times with extreme variance
+        intervals = [get_randomized_interval(90, 50) for _ in range(100)]
+
+        # All intervals should be >= 60
+        assert all(i >= 60 for i in intervals), f"Some intervals below 60s minimum: {min(intervals)}"
+
+    def test_zero_variance_possible(self):
+        """Test that variance can be disabled by setting to 0"""
+        # All intervals should be exactly 150
+        intervals = [get_randomized_interval(150, 0) for _ in range(20)]
+        assert all(i == 150 for i in intervals), "Variance=0 should produce constant interval"
+
+    def test_interval_distribution(self):
+        """Test that randomization produces reasonable distribution"""
+        # Generate many samples
+        intervals = [get_randomized_interval(150, 30) for _ in range(1000)]
+
+        avg = sum(intervals) / len(intervals)
+
+        # Average should be close to 150 (within 5 seconds)
+        assert 145 <= avg <= 155, f"Average {avg} too far from expected 150"
+
+        # Should have good spread (at least 20 different values)
+        assert len(set(intervals)) >= 20, "Not enough variance in intervals"
+
+    def test_custom_parameters(self):
+        """Test with various custom base intervals and variances"""
+        test_cases = [
+            (120, 20, 100, 140),  # base, variance, min_expected, max_expected
+            (180, 40, 140, 220),
+            (200, 10, 190, 210),
+        ]
+
+        for base, variance, min_exp, max_exp in test_cases:
+            intervals = [get_randomized_interval(base, variance) for _ in range(50)]
+            assert all(min_exp <= i <= max_exp for i in intervals), \
+                f"Failed for base={base}, variance={variance}"

tests/test_session_validation.py

@@ -0,0 +1,82 @@
+"""Tests for session validation and re-login logic"""
+import pytest
+from unittest.mock import AsyncMock, MagicMock, patch
+from pathlib import Path
+import sys
+import os
+
+# Add parent directory to path for imports
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from state_manager import StateManager
+
+
+class TestSessionValidation:
+    """Test session validation and automatic re-login"""
+
+    @pytest.fixture
+    def state_manager(self, tmp_path):
+        """Create a StateManager with a temporary state file"""
+        state_file = tmp_path / "state.json"
+        return StateManager(state_file)
+
+    def test_logged_in_status_toggle(self, state_manager):
+        """Test that logged_in status can be toggled"""
+        assert state_manager.is_logged_in() is False
+
+        state_manager.set_logged_in(True)
+        assert state_manager.is_logged_in() is True
+
+        state_manager.set_logged_in(False)
+        assert state_manager.is_logged_in() is False
+
+    def test_logged_in_persistence_is_memory_only(self, state_manager, tmp_path):
+        """Test that logged_in status is memory-only (not persisted to disk)"""
+        state_manager.set_logged_in(True)
+        assert state_manager.is_logged_in() is True
+
+        # Create new state manager with same file - should start as False
+        new_state_manager = StateManager(tmp_path / "state.json")
+        assert new_state_manager.is_logged_in() is False
+
+    def test_zero_listings_counter_increments(self):
+        """Test that zero_listings_count increments when no listings are fetched"""
+        # This would be tested in integration tests with the main loop
+        # For now, we test the logic conceptually
+        zero_listings_count = 0
+        max_zero = 3
+
+        # Simulate 3 consecutive zero fetches
+        for _ in range(3):
+            current_listings = []  # Empty result
+            if not current_listings:
+                zero_listings_count += 1
+
+        assert zero_listings_count == max_zero
+
+    def test_zero_listings_counter_resets_on_success(self):
+        """Test that counter resets when listings are successfully fetched"""
+        zero_listings_count = 2
+
+        # Simulate successful fetch
+        current_listings = [{"id": "test123", "rooms": "2"}]
+        if current_listings and len(current_listings) > 0:
+            zero_listings_count = 0
+
+        assert zero_listings_count == 0
+
+    def test_session_validation_logic(self, state_manager):
+        """Test the session validation workflow"""
+        # Start logged in
+        state_manager.set_logged_in(True)
+        assert state_manager.is_logged_in() is True
+
+        # Simulate session expiration detection (zero listings threshold reached)
+        zero_listings_count = 3
+        max_zero = 3
+
+        if zero_listings_count >= max_zero:
+            state_manager.set_logged_in(False)
+
+        # Verify session was reset
+        assert state_manager.is_logged_in() is False