#!/usr/bin/env python
"""
camcops_server/tasks/pswq.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, Optional, Tuple, Type
from cardinal_pythonlib.stringfunc import strseq
from sqlalchemy.ext.declarative import DeclarativeMeta
from sqlalchemy.sql.sqltypes import 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, tr
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_summaryelement import SummaryElement
from camcops_server.cc_modules.cc_task import Task, TaskHasPatientMixin
from camcops_server.cc_modules.cc_trackerhelpers import TrackerInfo
# =============================================================================
# PSWQ
# =============================================================================
class PswqMetaclass(DeclarativeMeta):
# noinspection PyInitNewSignature
def __init__(
cls: Type["Pswq"],
name: str,
bases: Tuple[Type, ...],
classdict: Dict[str, Any],
) -> None:
add_multiple_columns(
cls,
"q",
1,
cls.NQUESTIONS,
minimum=cls.MIN_PER_Q,
maximum=cls.MAX_PER_Q,
comment_fmt="Q{n}, {s} (1-5)",
comment_strings=[
"OK if not enough time [REVERSE SCORE]", # 1
"worries overwhelm",
"do not tend to worry [REVERSE SCORE]",
"many situations make me worry",
"cannot help worrying", # 5
"worry under pressure",
"always worrying",
"easily dismiss worries [REVERSE SCORE]",
"finish then worry about next thing",
"never worry [REVERSE SCORE]", # 10
"if nothing more to do, I do not worry [REVERSE SCORE]",
"lifelong worrier",
"have been worrying",
"when start worrying cannot stop",
"worry all the time", # 15
"worry about projects until done",
],
)
super().__init__(name, bases, classdict)
[docs]class Pswq(TaskHasPatientMixin, Task, metaclass=PswqMetaclass):
"""
Server implementation of the PSWQ task.
"""
__tablename__ = "pswq"
shortname = "PSWQ"
provides_trackers = True
MIN_PER_Q = 1
MAX_PER_Q = 5
NQUESTIONS = 16
REVERSE_SCORE = [1, 3, 8, 10, 11]
TASK_FIELDS = strseq("q", 1, NQUESTIONS)
MIN_TOTAL = MIN_PER_Q * NQUESTIONS
MAX_TOTAL = MAX_PER_Q * NQUESTIONS
[docs] @staticmethod
def longname(req: "CamcopsRequest") -> str:
_ = req.gettext
return _("Penn State Worry Questionnaire")
[docs] def get_trackers(self, req: CamcopsRequest) -> List[TrackerInfo]:
return [
TrackerInfo(
value=self.total_score(),
plot_label="PSWQ total score (lower is better)",
axis_label=f"Total score ({self.MIN_TOTAL}–{self.MAX_TOTAL})",
axis_min=self.MIN_TOTAL - 0.5,
axis_max=self.MAX_TOTAL + 0.5,
)
]
[docs] def get_summaries(self, req: CamcopsRequest) -> List[SummaryElement]:
return self.standard_task_summary_fields() + [
SummaryElement(
name="total_score",
coltype=Integer(),
value=self.total_score(),
comment="Total score (16-80)",
)
]
[docs] def get_clinical_text(self, req: CamcopsRequest) -> List[CtvInfo]:
if not self.is_complete():
return CTV_INCOMPLETE
return [
CtvInfo(
content=f"PSWQ total score {self.total_score()} "
f"(range {self.MIN_TOTAL}–{self.MAX_TOTAL})"
)
]
def score(self, q: int) -> Optional[int]:
value = getattr(self, "q" + str(q))
if value is None:
return None
if q in self.REVERSE_SCORE:
return self.MAX_PER_Q + 1 - value
else:
return value
def total_score(self) -> int:
values = [self.score(q) for q in range(1, self.NQUESTIONS + 1)]
return sum(v for v in values if v is not None)
[docs] def is_complete(self) -> bool:
return (
self.all_fields_not_none(self.TASK_FIELDS)
and self.field_contents_valid()
)
[docs] def get_task_html(self, req: CamcopsRequest) -> str:
h = f"""
<div class="{CssClass.SUMMARY}">
<table class="{CssClass.SUMMARY}">
{self.get_is_complete_tr(req)}
<tr>
<td>Total score (16–80)</td>
<td>{answer(self.total_score())}</td>
</td>
</table>
</div>
<div class="{CssClass.EXPLANATION}">
Anchor points are 1 = {self.wxstring(req, "anchor1")},
5 = {self.wxstring(req, "anchor5")}.
Questions {", ".join(str(x) for x in self.REVERSE_SCORE)}
are reverse-scored.
</div>
<table class="{CssClass.TASKDETAIL}">
<tr>
<th width="70%">Question</th>
<th width="15%">Answer (1–5)</th>
<th width="15%">Score (1–5)</th>
</tr>
"""
for q in range(1, self.NQUESTIONS + 1):
a = getattr(self, "q" + str(q))
score = self.score(q)
h += tr(self.wxstring(req, "q" + str(q)), answer(a), score)
h += """
</table>
"""
return h
[docs] def get_snomed_codes(self, req: CamcopsRequest) -> List[SnomedExpression]:
codes = [
SnomedExpression(
req.snomed(SnomedLookup.PSWQ_PROCEDURE_ASSESSMENT)
)
]
if self.is_complete():
codes.append(
SnomedExpression(
req.snomed(SnomedLookup.PSWQ_SCALE),
{req.snomed(SnomedLookup.PSWQ_SCORE): self.total_score()},
)
)
return codes