"""
camcops_server/tasks/mast.py
===============================================================================
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
===============================================================================
"""
from typing import Any, Dict, List, Tuple, Type
from cardinal_pythonlib.stringfunc import strseq
from sqlalchemy.ext.declarative import DeclarativeMeta
from sqlalchemy.sql.sqltypes import Boolean, Integer
from camcops_server.cc_modules.cc_constants import CssClass
from camcops_server.cc_modules.cc_ctvinfo import CTV_INCOMPLETE, CtvInfo
from camcops_server.cc_modules.cc_db import add_multiple_columns
from camcops_server.cc_modules.cc_html import answer, get_yes_no, tr, tr_qa
from camcops_server.cc_modules.cc_request import CamcopsRequest
from camcops_server.cc_modules.cc_snomed import SnomedExpression, SnomedLookup
from camcops_server.cc_modules.cc_sqla_coltypes import CharColType
from camcops_server.cc_modules.cc_summaryelement import SummaryElement
from camcops_server.cc_modules.cc_task import (
get_from_dict,
Task,
TaskHasPatientMixin,
)
from camcops_server.cc_modules.cc_text import SS
from camcops_server.cc_modules.cc_trackerhelpers import (
LabelAlignment,
TrackerInfo,
TrackerLabel,
)
# =============================================================================
# MAST
# =============================================================================
class MastMetaclass(DeclarativeMeta):
# noinspection PyInitNewSignature
def __init__(
cls: Type["Mast"],
name: str,
bases: Tuple[Type, ...],
classdict: Dict[str, Any],
) -> None:
add_multiple_columns(
cls,
"q",
1,
cls.NQUESTIONS,
CharColType,
pv=["Y", "N"],
comment_fmt="Q{n}: {s} (Y or N)",
comment_strings=[
"feel you are a normal drinker",
"couldn't remember evening before",
"relative worries/complains",
"stop drinking after 1-2 drinks",
"feel guilty",
"friends/relatives think you are a normal drinker",
"can stop drinking when you want",
"attended Alcoholics Anonymous",
"physical fights",
"drinking caused problems with relatives",
"family have sought help",
"lost friends",
"trouble at work/school",
"lost job",
"neglected obligations for >=2 days",
"drink before noon often",
"liver trouble",
"delirium tremens",
"sought help",
"hospitalized",
"psychiatry admission",
"clinic visit or professional help",
"arrested for drink-driving",
"arrested for other drunk behaviour",
],
)
super().__init__(name, bases, classdict)
[docs]class Mast(TaskHasPatientMixin, Task, metaclass=MastMetaclass):
"""
Server implementation of the MAST task.
"""
__tablename__ = "mast"
shortname = "MAST"
provides_trackers = True
NQUESTIONS = 24
TASK_FIELDS = strseq("q", 1, NQUESTIONS)
MAX_SCORE = 53
ROSS_THRESHOLD = 13
[docs] @staticmethod
def longname(req: "CamcopsRequest") -> str:
_ = req.gettext
return _("Michigan Alcohol Screening Test")
[docs] def get_trackers(self, req: CamcopsRequest) -> List[TrackerInfo]:
return [
TrackerInfo(
value=self.total_score(),
plot_label="MAST total score",
axis_label=f"Total score (out of {self.MAX_SCORE})",
axis_min=-0.5,
axis_max=self.MAX_SCORE + 0.5,
horizontal_lines=[self.ROSS_THRESHOLD - 0.5],
horizontal_labels=[
TrackerLabel(
self.ROSS_THRESHOLD,
"Ross threshold",
LabelAlignment.bottom,
)
],
)
]
[docs] def get_clinical_text(self, req: CamcopsRequest) -> List[CtvInfo]:
if not self.is_complete():
return CTV_INCOMPLETE
return [
CtvInfo(
content=f"MAST total score "
f"{self.total_score()}/{self.MAX_SCORE}"
)
]
[docs] def get_summaries(self, req: CamcopsRequest) -> List[SummaryElement]:
return self.standard_task_summary_fields() + [
SummaryElement(
name="total",
coltype=Integer(),
value=self.total_score(),
comment=f"Total score (/{self.MAX_SCORE})",
),
SummaryElement(
name="exceeds_threshold",
coltype=Boolean(),
value=self.exceeds_ross_threshold(),
comment=f"Exceeds Ross threshold "
f"(total score >= {self.ROSS_THRESHOLD})",
),
]
[docs] def is_complete(self) -> bool:
return (
self.all_fields_not_none(self.TASK_FIELDS)
and self.field_contents_valid()
)
def get_score(self, q: int) -> int:
yes = "Y"
value = getattr(self, "q" + str(q))
if value is None:
return 0
if q == 1 or q == 4 or q == 6 or q == 7:
presence = 0 if value == yes else 1
else:
presence = 1 if value == yes else 0
if q == 3 or q == 5 or q == 9 or q == 16:
points = 1
elif q == 8 or q == 19 or q == 20:
points = 5
else:
points = 2
return points * presence
def total_score(self) -> int:
total = 0
for q in range(1, self.NQUESTIONS + 1):
total += self.get_score(q)
return total
def exceeds_ross_threshold(self) -> bool:
score = self.total_score()
return score >= self.ROSS_THRESHOLD
[docs] def get_task_html(self, req: CamcopsRequest) -> str:
score = self.total_score()
exceeds_threshold = self.exceeds_ross_threshold()
main_dict = {
None: None,
"Y": req.sstring(SS.YES),
"N": req.sstring(SS.NO),
}
q_a = ""
for q in range(1, self.NQUESTIONS + 1):
q_a += tr(
self.wxstring(req, "q" + str(q)),
(
answer(
get_from_dict(main_dict, getattr(self, "q" + str(q)))
)
+ answer(" — " + str(self.get_score(q)))
),
)
return f"""
<div class="{CssClass.SUMMARY}">
<table class="{CssClass.SUMMARY}">
{self.get_is_complete_tr(req)}
{tr(req.sstring(SS.TOTAL_SCORE),
answer(score) + " / {}".format(self.MAX_SCORE))}
{tr_qa(self.wxstring(req, "exceeds_threshold"),
get_yes_no(req, exceeds_threshold))}
</table>
</div>
<table class="{CssClass.TASKDETAIL}">
<tr>
<th width="80%">Question</th>
<th width="20%">Answer</th>
</tr>
{q_a}
</table>
"""
[docs] def get_snomed_codes(self, req: CamcopsRequest) -> List[SnomedExpression]:
codes = [
SnomedExpression(
req.snomed(SnomedLookup.MAST_PROCEDURE_ASSESSMENT)
)
]
if self.is_complete():
codes.append(
SnomedExpression(
req.snomed(SnomedLookup.MAST_SCALE),
{req.snomed(SnomedLookup.MAST_SCORE): self.total_score()},
)
)
return codes