Files
BrickTracker/bricktracker/set_custom_field.py
T

100 lines
3.1 KiB
Python

import logging
from typing import Any, Self
from .exceptions import DatabaseException, ErrorException
from .metadata import BrickMetadata
from .sql import BrickSQL
logger = logging.getLogger(__name__)
# Allowed custom field types. The type only drives the input widget and light
# validation; the value is always stored as TEXT.
CUSTOM_FIELD_TYPES = ('text', 'number', 'date')
# Lego set custom field metadata (a typed, admin-defined per-set value)
class BrickSetCustomField(BrickMetadata):
kind: str = 'custom field'
# Set value endpoint
set_state_endpoint: str = 'set.update_custom_field'
# Queries
delete_query: str = 'set/metadata/custom_field/delete'
insert_query: str = 'set/metadata/custom_field/insert'
select_query: str = 'set/metadata/custom_field/select'
update_field_query: str = 'set/metadata/custom_field/update/field'
update_set_value_query: str = 'set/metadata/custom_field/update/value'
# SQL column name uses an underscore (kind has a space), so override the
# default which would produce "custom-field_{id}".
def as_column(self, /) -> str:
return 'custom_field_{id}'.format(id=self.fields.id)
# Grab data from a form (name + type)
def from_form(self, form: dict[str, str], /) -> Self:
super().from_form(form)
field_type = form.get('type', 'text')
if field_type not in CUSTOM_FIELD_TYPES:
raise ErrorException(
'Unknown custom field type: {type}'.format(type=field_type)
)
self.fields.type = field_type
return self
# Insert into database (carry the type along)
def insert(self, /, **_) -> None:
super().insert(
type=self.fields.type
)
# Update the per-set value of this custom field. Unlike the base
# update_set_value (which targets a fixed column), the column name is
# dynamic, so it is injected into the query like update_set_state does.
def update_value(
self,
brickset: Any,
/,
*,
json: Any | None = None,
value: Any | None = None,
) -> Any:
if value is None and json is not None:
value = json.get('value', '')
if value == '':
value = None
parameters = self.sql_parameters()
parameters['set_id'] = brickset.fields.id
parameters['value'] = value
rows, _ = BrickSQL().execute_and_commit(
self.update_set_value_query,
parameters=parameters,
name=self.as_column(),
)
if rows != 1:
raise DatabaseException(
'Could not update the custom field value for set {set} ({id})'.format( # noqa: E501
set=brickset.fields.set,
id=brickset.fields.id,
)
)
logger.info(
'Custom field "{name}" value changed to "{value}" for set {set} ({id})'.format( # noqa: E501
name=self.fields.name,
value=value,
set=brickset.fields.set,
id=brickset.fields.id,
)
)
return value