Source code for camcops_server.tasks.dast

#!/usr/bin/env python

"""
camcops_server/tasks/dast.py

===============================================================================

    Copyright (C) 2012-2019 Rudolf Cardinal (rudolf@pobox.com).

    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 <http://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 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 TrackerInfo


# =============================================================================
# DAST
# =============================================================================

class DastMetaclass(DeclarativeMeta):
    # noinspection PyInitNewSignature
    def __init__(cls: Type['Dast'],
                 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 scores 1, "-" = N scores 1)',
            comment_strings=[
                "non-medical drug use (+)",
                "abused prescription drugs (+)",
                "abused >1 drug at a time (+)",
                "get through week without drugs (-)",
                "stop when want to (-)",
                "abuse drugs continuously (+)",
                "try to limit to certain situations (-)",
                "blackouts/flashbacks (+)",
                "feel bad about drug abuse (-)",
                "spouse/parents complain (+)",
                "friends/relative know/suspect (+)",
                "caused problems with spouse (+)",
                "family sought help (+)",
                "lost friends (+)",
                "neglected family/missed work (+)",
                "trouble at work (+)",
                "lost job (+)",
                "fights under influence (+)",
                "arrested for unusual behaviour under influence (+)",
                "arrested for driving under influence (+)",
                "illegal activities to obtain (+)",
                "arrested for possession (+)",
                "withdrawal symptoms (+)",
                "medical problems (+)",
                "sought help (+)",
                "hospital for medical problems (+)",
                "drug treatment program (+)",
                "outpatient treatment for drug abuse (+)",
            ]
        )
        super().__init__(name, bases, classdict)


[docs]class Dast(TaskHasPatientMixin, Task, metaclass=DastMetaclass): """ Server implementation of the DAST task. """ __tablename__ = "dast" shortname = "DAST" provides_trackers = True NQUESTIONS = 28 TASK_FIELDS = strseq("q", 1, NQUESTIONS)
[docs] @staticmethod def longname(req: "CamcopsRequest") -> str: _ = req.gettext return _("Drug Abuse Screening Test")
[docs] def get_trackers(self, req: CamcopsRequest) -> List[TrackerInfo]: return [TrackerInfo( value=self.total_score(), plot_label="DAST total score", axis_label=f"Total score (out of {self.NQUESTIONS})", axis_min=-0.5, axis_max=self.NQUESTIONS + 0.5, horizontal_lines=[10.5, 5.5] )]
[docs] def get_clinical_text(self, req: CamcopsRequest) -> List[CtvInfo]: if not self.is_complete(): return CTV_INCOMPLETE return [CtvInfo( content=f"DAST total score {self.total_score()}/{self.NQUESTIONS}" )]
[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="Total score"), ]
[docs] def is_complete(self) -> bool: return ( self.all_fields_not_none(Dast.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 == 4 or q == 5 or q == 7: return 0 if value == yes else 1 else: return 1 if value == yes else 0 def total_score(self) -> int: total = 0 for q in range(1, Dast.NQUESTIONS + 1): total += self.get_score(q) return total
[docs] def get_task_html(self, req: CamcopsRequest) -> str: score = self.total_score() exceeds_cutoff_1 = score >= 6 exceeds_cutoff_2 = score >= 11 main_dict = { None: None, "Y": req.sstring(SS.YES), "N": req.sstring(SS.NO) } q_a = "" for q in range(1, Dast.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))) ) h = """ <div class="{CssClass.SUMMARY}"> <table class="{CssClass.SUMMARY}"> {tr_is_complete} {total_score} {exceeds_standard_cutoff_1} {exceeds_standard_cutoff_2} </table> </div> <table class="{CssClass.TASKDETAIL}"> <tr> <th width="80%">Question</th> <th width="20%">Answer</th> </tr> {q_a} </table> <div class="{CssClass.COPYRIGHT}"> DAST: Copyright © Harvey A. Skinner and the Centre for Addiction and Mental Health, Toronto, Canada. Reproduced here under the permissions granted for NON-COMMERCIAL use only. You must obtain permission from the copyright holder for any other use. </div> """.format( CssClass=CssClass, tr_is_complete=self.get_is_complete_tr(req), total_score=tr(req.sstring(SS.TOTAL_SCORE), answer(score) + f" / {self.NQUESTIONS}"), exceeds_standard_cutoff_1=tr_qa( self.wxstring(req, "exceeds_standard_cutoff_1"), get_yes_no(req, exceeds_cutoff_1) ), exceeds_standard_cutoff_2=tr_qa( self.wxstring(req, "exceeds_standard_cutoff_2"), get_yes_no(req, exceeds_cutoff_2) ), q_a=q_a, ) return h
[docs] def get_snomed_codes(self, req: CamcopsRequest) -> List[SnomedExpression]: if not self.is_complete(): return [] return [SnomedExpression(req.snomed(SnomedLookup.DAST_SCALE))]