more refactoring

community/helpers/message_utils.py

@@ -0,0 +1,98 @@
+"""Message and content utility functions."""
+
+import re
+from typing import Optional
+from mautrix.types import MessageType, MediaMessageEventContent
+
+
+def flag_message(msg, censor_wordlist: list, censor_files: bool) -> bool:
+    """Check if a message should be flagged for censorship.
+    
+    Args:
+        msg: The message event to check
+        censor_wordlist: List of regex patterns to check against
+        censor_files: Whether to flag file messages
+        
+    Returns:
+        bool: True if message should be flagged
+    """
+    if msg.content.msgtype in [
+        MessageType.FILE,
+        MessageType.IMAGE,
+        MessageType.VIDEO,
+    ]:
+        return censor_files
+
+    for w in censor_wordlist:
+        try:
+            if bool(re.search(w, msg.content.body, re.IGNORECASE)):
+                return True
+        except Exception:
+            # Skip invalid regex patterns
+            pass
+    
+    return False
+
+
+def flag_instaban(msg, instaban_wordlist: list) -> bool:
+    """Check if a message should trigger an instant ban.
+    
+    Args:
+        msg: The message event to check
+        instaban_wordlist: List of regex patterns that trigger instant ban
+        
+    Returns:
+        bool: True if message should trigger instant ban
+    """
+    for w in instaban_wordlist:
+        try:
+            if bool(re.search(w, msg.content.body, re.IGNORECASE)):
+                return True
+        except Exception:
+            # Skip invalid regex patterns
+            pass
+    
+    return False
+
+
+def censor_room(msg, censor_config) -> bool:
+    """Check if a message should be censored based on room configuration.
+    
+    Args:
+        msg: The message event to check
+        censor_config: Censor configuration (bool or list of room IDs)
+        
+    Returns:
+        bool: True if message should be censored
+    """
+    if isinstance(censor_config, bool):
+        return censor_config
+    elif isinstance(censor_config, list):
+        return msg.room_id in censor_config
+    else:
+        return False
+
+
+def sanitize_room_name(room_name: str) -> str:
+    """Sanitize a room name for use in aliases.
+    
+    Args:
+        room_name: The room name to sanitize
+        
+    Returns:
+        str: Sanitized room name (alphanumeric only, lowercase)
+    """
+    return re.sub(r"[^a-zA-Z0-9]", "", room_name).lower()
+
+
+def generate_community_slug(community_name: str) -> str:
+    """Generate a community slug from the community name.
+    
+    Args:
+        community_name: The full community name
+        
+    Returns:
+        str: A slug made from the first letter of each word, lowercase
+    """
+    words = community_name.strip().split()
+    return ''.join(word[0].lower() for word in words if word)