2024-bsc-sebastian-lenzlinger/code/iottb/models/device_metadata_model.py
2024-05-07 19:24:56 +00:00

129 lines
4.6 KiB
Python

import json
import uuid
from datetime import datetime
from pathlib import Path
from typing import Optional, List, Any
# iottb modules
from iottb.definitions import ReturnCodes, DEVICE_METADATA_FILE
# 3rd party libs
from pydantic import BaseModel, Field
IMMUTABLE_FIELDS = {"device_name", "device_short_name", "device_id", "date_created"}
class DeviceMetadata(BaseModel):
# Required fields
device_name: str
device_short_name: str
device_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
date_created: str = Field(default_factory=lambda: datetime.now().strftime('%d-%m-%YT%H:%M:%S').lower())
device_root_path: Path
# Optional Fields
aliases: List[str] = Field(default_factory=lambda: [])
device_type: Optional[str] = None
device_serial_number: Optional[str] = None
device_firmware_version: Optional[str] = None
date_updated: Optional[str] = None
capture_files: Optional[List[str]] = []
def __init__(self, device_name: str, device_root_dir: Path, /, **data: Any):
super().__init__(**data)
self.device_name = device_name
self.device_short_name = device_name.lower().replace(" ", "_")
# assert dir_contains_device_metadata(device_root_dir), \
# f"Directory {device_root_dir} is missing a {DEVICE_METADATA_FILE} file"
self.device_root_dir = device_root_dir
def get_device_id(self) -> str:
return self.device_id
def get_device_name(self) -> str:
return self.device_name
def get_device_short_name(self) -> str:
return self.device_short_name
def get_device_type(self) -> str:
return self.device_type
def get_device_serial_number(self) -> str:
return self.device_serial_number
def get_device_firmware_version(self) -> str:
return self.device_firmware_version
def get_date_updated(self) -> str:
return self.date_updated
def get_capture_files(self) -> List[str]:
return self.capture_files
def get_aliases(self) -> List[str]:
return self.aliases
def set_device_type(self, device_type: str) -> None:
self.device_type = device_type
self.date_updated = datetime.now().strftime('%d-%m-%YT%H:%M:%S')
def set_device_serial_number(self, device_serial_number: str) -> None:
self.device_serial_number = device_serial_number
self.date_updated = datetime.now().strftime('%d-%m-%YT%H:%M:%S')
def set_device_firmware_version(self, device_firmware_version: str) -> None:
self.device_firmware_version = device_firmware_version
self.date_updated = datetime.now().strftime('%d-%m-%YT%H:%M:%S')
def set_device_name(self, device_name: str) -> None:
self.device_name = device_name
self.device_short_name = device_name.lower().replace(" ", "_")
self.date_updated = datetime.now().strftime('%d-%m-%YT%H:%M:%S')
@classmethod
def load_from_json(cls, device_file_path: Path):
assert device_file_path.is_file(), f"{device_file_path} is not a file"
assert device_file_path.name == DEVICE_METADATA_FILE, f"{device_file_path} is not a {DEVICE_METADATA_FILE}"
device_meta_filename = device_file_path
with device_meta_filename.open('r') as file:
metadata_json = json.load(file)
metadata_model_obj = cls.model_validate_json(metadata_json)
return metadata_model_obj
def save_to_json(self, file_path: Path):
if file_path.is_file():
print(f"File {file_path} already exists, update instead.")
return ReturnCodes.FILE_ALREADY_EXISTS
metadata = self.model_dump_json(indent=2)
with file_path.open('w') as file:
json.dump(metadata, file)
return ReturnCodes.SUCCESS
@classmethod
def update_metadata_in_json(cls, file_path: Path, **kwargs):
# TODO Maybe not needed at all.
assert file_path.is_file()
for field in IMMUTABLE_FIELDS:
if field in kwargs:
print(f"Field {field} is immutable")
return ReturnCodes.IMMUTABLE
metadata = cls.load_from_json(file_path)
for field, value in kwargs.items():
if field in metadata.model_fields_set:
setattr(metadata, field, value)
metadata.date_updated = datetime.now().strftime('%d-%m-%YT%H:%M:%S').lower()
pass
def dir_contains_device_metadata(dir_path: Path):
if not dir_path.is_dir():
return False
else:
meta_file_path = dir_path / DEVICE_METADATA_FILE
print(f"Device metadata file path {str(meta_file_path)}")
if not meta_file_path.is_file():
return False
else:
return True