mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
82 lines
3 KiB
Python
82 lines
3 KiB
Python
import datetime
|
|
import api_validations
|
|
import base64
|
|
import json
|
|
from message_system_db_manager import DatabaseManager
|
|
|
|
|
|
def message_received(event_manager, data):
|
|
decompressed_json_string = data.decode('utf-8')
|
|
received_message_obj = MessageP2P.from_payload(decompressed_json_string)
|
|
received_message_dict = MessageP2P.to_dict(received_message_obj, received=True)
|
|
DatabaseManager(event_manager).add_message(received_message_dict)
|
|
|
|
|
|
class MessageP2P:
|
|
def __init__(self, origin: str, destination: str, body: str, attachments: list) -> None:
|
|
self.timestamp = datetime.datetime.now().isoformat()
|
|
self.origin = origin
|
|
self.destination = destination
|
|
self.body = body
|
|
self.attachments = attachments
|
|
|
|
@classmethod
|
|
def from_api_params(cls, origin: str, params: dict):
|
|
|
|
dxcall = params['dxcall']
|
|
if not api_validations.validate_freedata_callsign(dxcall):
|
|
dxcall = f"{dxcall}-0"
|
|
|
|
if not api_validations.validate_freedata_callsign(dxcall):
|
|
raise ValueError(f"Invalid dxcall given ({params['dxcall']})")
|
|
|
|
body = params['body']
|
|
if len(body) < 1:
|
|
raise ValueError(f"Body cannot be empty")
|
|
|
|
attachments = []
|
|
if 'attachments' in params:
|
|
for a in params['attachments']:
|
|
api_validations.validate_message_attachment(a)
|
|
attachments.append(cls.__decode_attachment__(a))
|
|
|
|
return cls(origin, dxcall, body, attachments)
|
|
|
|
@classmethod
|
|
def from_payload(cls, payload):
|
|
payload_message = json.loads(payload)
|
|
attachments = list(map(cls.__decode_attachment__, payload_message['attachments']))
|
|
return cls(payload_message['origin'], payload_message['destination'],
|
|
payload_message['body'], attachments)
|
|
|
|
def get_id(self) -> str:
|
|
return f"{self.origin}_{self.destination}_{self.timestamp}"
|
|
|
|
def __encode_attachment__(self, binary_attachment: dict):
|
|
encoded_attachment = binary_attachment.copy()
|
|
encoded_attachment['data'] = str(base64.b64encode(binary_attachment['data']), 'utf-8')
|
|
return encoded_attachment
|
|
|
|
def __decode_attachment__(encoded_attachment: dict):
|
|
decoded_attachment = encoded_attachment.copy()
|
|
decoded_attachment['data'] = base64.b64decode(encoded_attachment['data'])
|
|
return decoded_attachment
|
|
|
|
def to_dict(self, received=False):
|
|
"""Make a dictionary out of the message data
|
|
"""
|
|
|
|
return {
|
|
'id': self.get_id(),
|
|
'origin': self.origin,
|
|
'destination': self.destination,
|
|
'body': self.body,
|
|
'direction': 'receive' if received else 'transmit',
|
|
'attachments': list(map(self.__encode_attachment__, self.attachments)),
|
|
}
|
|
|
|
def to_payload(self):
|
|
"""Make a byte array ready to be sent out of the message data"""
|
|
json_string = json.dumps(self.to_dict())
|
|
return json_string
|
|
|