FreeDATA/freedata_server/message_system_db_messages.py

367 lines
16 KiB
Python

from message_system_db_manager import DatabaseManager
from message_system_db_attachments import DatabaseManagerAttachments
from message_system_db_model import Status, P2PMessage
from message_system_db_station import DatabaseManagerStations
from sqlalchemy.exc import IntegrityError
from datetime import datetime, timedelta
import json
import os
class DatabaseManagerMessages(DatabaseManager):
def __init__(self, event_manager):
super().__init__(event_manager)
self.attachments_manager = DatabaseManagerAttachments(event_manager)
self.stations_manager = DatabaseManagerStations(event_manager)
def add_message(self, message_data, statistics, direction='receive', status=None, is_read=True, frequency=None):
session = self.get_thread_scoped_session()
try:
# Create and add the origin and destination Stations
origin = self.get_or_create_station(message_data['origin'], session)
destination = self.get_or_create_station(message_data['destination'], session)
# Create and add Status if provided
if status:
status = self.get_or_create_status(session, status)
# Parse the timestamp from the message ID
timestamp = datetime.fromisoformat(message_data['id'].split('_')[2])
if frequency and frequency not in ['---']:
statistics["frequency"] = frequency
# Create the P2PMessage instance
new_message = P2PMessage(
id=message_data['id'],
origin_callsign=origin.callsign,
destination_callsign=destination.callsign,
body=message_data['body'],
timestamp=timestamp,
direction=direction,
status_id=status.id if status else None,
is_read=is_read,
attempt=0,
statistics=statistics )
session.add(new_message)
# Process and add attachments
if 'attachments' in message_data:
for attachment_data in message_data['attachments']:
self.attachments_manager.add_attachment(session, new_message, attachment_data)
session.commit()
self.log(f"Added data to database: {new_message.id}")
self.event_manager.freedata_message_db_change(message_id=new_message.id)
return new_message.id
except IntegrityError as e:
session.rollback() # Roll back the session to a clean state
self.log(f"Message with ID {message_data['id']} already exists in the database.", isWarning=True)
return None
except Exception as e:
session.rollback()
self.log(f"error adding new message to database with error: {e}", isWarning=True)
finally:
session.remove()
def get_all_messages(self, filters=None):
session = self.get_thread_scoped_session()
try:
query = session.query(P2PMessage)
if filters:
if 'id' in filters:
query = query.filter(P2PMessage.id == filters['id'])
if 'callsign' in filters:
callsign_filter = filters['callsign']
query = query.filter(
(P2PMessage.origin_callsign.contains(callsign_filter)) |
(P2PMessage.via_callsign.contains(callsign_filter)) |
(P2PMessage.destination_callsign.contains(callsign_filter))
)
if 'origin_callsign' in filters:
query = query.filter(P2PMessage.origin_callsign.contains(filters['origin_callsign']))
if 'via_callsign' in filters:
query = query.filter(P2PMessage.via_callsign.contains(filters['via_callsign']))
if 'destination_callsign' in filters:
query = query.filter(P2PMessage.destination_callsign.contains(filters['destination_callsign']))
if 'direction' in filters:
query = query.filter(P2PMessage.direction.contains(filters['direction']))
messages = query.all()
return [message.to_dict() for message in messages]
except Exception as e:
self.log(f"error fetching database messages with error: {e}", isWarning=True)
self.log(f"---> please delete or update existing database", isWarning=True)
return []
finally:
session.remove()
def get_all_messages_json(self, filters=None):
messages_dict = self.get_all_messages(filters)
messages_with_header = {'total_messages': len(messages_dict), 'messages': messages_dict}
return messages_with_header
def get_message_by_id(self, message_id):
session = self.get_thread_scoped_session()
try:
message = session.query(P2PMessage).filter_by(id=message_id).first()
if message:
return message.to_dict()
else:
return None
except Exception as e:
self.log(f"Error fetching message with ID {message_id}: {e}", isWarning=True)
return None
finally:
session.remove()
def get_message_by_id_json(self, message_id):
message_dict = self.get_message_by_id(message_id)
return json.dumps(message_dict) # Convert to JSON string
def get_message_by_id_adif(self, message_id):
"""
Fetches a message by ID and returns it in ADIF format.
Parameters:
message_id (str): The ID of the message to retrieve.
Returns:
str: The ADIF formatted message, or None if the message is not found.
"""
message_dict = self.get_message_by_id(message_id)
if message_dict:
try:
# Extract fields from the message dictionary
origin = message_dict.get("origin", "")
destination = message_dict.get("destination", "")
timestamp = message_dict.get("timestamp", "")
direction = message_dict.get("direction", "").lower() # Ensure case insensitivity
status = message_dict.get("status", "")
statistics = message_dict.get("statistics", {})
print(message_dict)
print(statistics)
# Determine the CALL based on the direction
if direction == "receive":
call = origin.split("-")[0] # Take the part before the "-" if it exists
else:
call = destination.split("-")[0] # Take the part before the "-" if it exists
# Fetch station info
origin_info = self.stations_manager.get_station(origin)
# Parse the timestamp for QSO date and time, strip fractional seconds
timestamp_clean = timestamp.split(".")[0] # Remove fractional seconds
qso_date = timestamp_clean.split("T")[0].replace("-", "") # Extract the date part and remove hyphens
# Extract the time and format it as HHMMSS
time_on = datetime.strptime(timestamp_clean.split("T")[1], "%H:%M:%S").strftime("%H%M%S")
# Calculate TIME_OFF by adding duration to TIME_ON
duration = statistics.get("duration", 0.0) # Duration in seconds
time_on_obj = datetime.strptime(timestamp_clean.split("T")[1],
"%H:%M:%S") # Parse time_on as a datetime object
time_off_obj = time_on_obj + timedelta(seconds=duration)
time_off = time_off_obj.strftime("%H%M%S") # Format time_off back to HHMMSS format
# Set ADIF Fields
mode = "DYNAMIC"
submode = "FREEDATA"
comment = f"QSO via FreeDATA RF-Chat"
# Gridsquare handling
print(origin_info)
if origin_info and "location" in origin_info and origin_info["location"] is not None:
print(origin_info["location"])
grid = origin_info["location"].get("gridsquare", "----")
else:
grid = "----"
# Extract and adjust the frequency (Hz to MHz)
frequency_hz = statistics.get("frequency") # Get the frequency, may be None
if frequency_hz is not None:
frequency_mhz = round(frequency_hz / 1_000_000,
3) # Convert Hz to MHz and round to 3 decimal places
frequency_str = str(frequency_mhz) # Convert to string for ADIF format
else:
frequency_str = "14.000000" # Default to "0.000" MHz if frequency is missing
# Construct the ADIF message
adif_fields = [
f"<CALL:{len(call)}>{call}",
f"<QSO_DATE:{len(qso_date)}>{qso_date}",
f"<TIME_ON:{len(time_on)}>{time_on}",
f"<TIME_OFF:{len(time_off)}>{time_off}", # Include TIME_OFF
f"<FREQ:{len(frequency_str)}>{frequency_str}", # Frequency in MHz
f"<MODE:{len(mode)}>{mode}",
f"<SUBMODE:{len(submode)}>{submode}",
f"<COMMENT:{len(comment)}>{comment}",
f"<GRIDSQUARE:{len(grid)}>{grid}",
#f"<DIRECTION:{len(direction)}>{direction}",
#f"<STATUS:{len(status)}>{status}",
#f"<DURATION:{len(str(duration))}>{duration}",
"<EOR>"
]
return "".join(adif_fields)
except Exception as e:
self.log(f"Error converting message {message_id} to ADIF: {e}", isWarning=True)
return None
else:
self.log(f"Message with ID {message_id} not found.", isWarning=True)
return None
def delete_message(self, message_id):
session = self.get_thread_scoped_session()
try:
message = session.query(P2PMessage).filter_by(id=message_id).first()
if message:
session.delete(message)
session.commit()
self.log(f"Deleted: {message_id}")
self.event_manager.freedata_message_db_change(message_id=message_id)
return {'status': 'success', 'message': f'Message {message_id} deleted'}
else:
return {'status': 'failure', 'message': 'Message not found'}
except Exception as e:
session.rollback()
self.log(f"Error deleting message with ID {message_id}: {e}", isWarning=True)
return {'status': 'failure', 'message': 'error deleting message'}
finally:
session.remove()
def update_message(self, message_id, update_data, frequency=None):
session = self.get_thread_scoped_session()
try:
message = session.query(P2PMessage).filter_by(id=message_id).first()
if message:
# Update fields of the message as per update_data
if 'body' in update_data:
message.body = update_data['body']
if 'status' in update_data:
message.status = self.get_or_create_status(session, update_data['status'])
if 'statistics' in update_data:
statistics = update_data['statistics']
if frequency and frequency not in ['---']:
statistics["frequency"] = frequency
message.statistics = statistics
if 'is_read' in update_data:
message.is_read = update_data['is_read']
if 'attempt' in update_data:
message.attempt = update_data['attempt']
if 'priority' in update_data:
message.priority = update_data['priority']
session.commit()
self.log(f"Updated: {message_id}")
self.event_manager.freedata_message_db_change(message_id=message_id)
return {'status': 'success', 'message': f'Message {message_id} updated'}
else:
return {'status': 'failure', 'message': 'Message not found'}
except Exception as e:
session.rollback()
self.log(f"Error updating message with ID {message_id}: {e}", isWarning=True)
return {'status': 'failure', 'message': 'error updating message'}
finally:
session.remove()
def get_first_queued_message(self):
session = self.get_thread_scoped_session()
try:
# Find the status object for "queued"
queued_status = session.query(Status).filter_by(name='queued').first()
if queued_status:
# Query for the first (oldest) message with status "queued"
message = session.query(P2PMessage)\
.filter_by(status=queued_status)\
.order_by(P2PMessage.timestamp)\
.first()
if message:
self.log(f"Found queued message with ID {message.id}")
return message.to_dict()
else:
return None
else:
self.log("Queued status not found", isWarning=True)
return None
except Exception as e:
self.log(f"Error fetching the first queued message: {e}", isWarning=True)
return None
finally:
session.remove()
def increment_message_attempts(self, message_id, session=None):
own_session = False
if not session:
session = self.get_thread_scoped_session()
own_session = True
try:
message = session.query(P2PMessage).filter_by(id=message_id).first()
if message:
message.attempt += 1
if own_session:
session.commit()
self.log(f"Incremented attempt count for message {message_id}")
else:
self.log(f"Message with ID {message_id} not found")
except Exception as e:
if own_session:
session.rollback()
self.log(f"An error occurred while incrementing attempts for message {message_id}: {e}")
finally:
if own_session:
session.remove()
def set_message_to_queued_for_callsign(self, callsign):
session = self.get_thread_scoped_session()
try:
# Find the 'failed' status object
failed_status = session.query(Status).filter_by(name='failed').first()
# Find the 'queued' status object
queued_status = session.query(Status).filter_by(name='queued').first()
# Ensure both statuses are found
if not failed_status or not queued_status:
self.log("Failed or queued status not found", isWarning=True)
return
# Query for messages with the specified callsign, 'failed' status, and fewer than 10 attempts
message = session.query(P2PMessage) \
.filter(P2PMessage.destination_callsign == callsign) \
.filter(P2PMessage.status_id == failed_status.id) \
.filter(P2PMessage.attempt < 10) \
.first()
if message:
# Increment attempt count using the existing function
self.increment_message_attempts(message.id, session)
message.status_id = queued_status.id
self.log(f"Set message {message.id} to queued and incremented attempt")
session.commit()
return {'status': 'success', 'message': f'message(s) set to queued'}
else:
return {'status': 'failure', 'message': 'No eligible messages found'}
except Exception as e:
session.rollback()
self.log(f"An error occurred while setting messages to queued: {e}", isWarning=True)
return {'status': 'failure', 'message': 'error setting message to queued'}
finally:
session.remove()