HH/apps/standards/models.py
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Python

"""
Standards Section Models - Track compliance standards (CBAHI, MOH, CHI, etc.)
"""
from django.db import models
from django.core.validators import FileExtensionValidator
from apps.core.models import TimeStampedModel, UUIDModel, StatusChoices
class StandardSource(UUIDModel, TimeStampedModel):
"""Standard sources like CBAHI, MOH, CHI, JCI, etc."""
name = models.CharField(max_length=100)
name_ar = models.CharField(max_length=100, blank=True, verbose_name="Name (Arabic)")
code = models.CharField(max_length=50, unique=True)
description = models.TextField(blank=True)
website = models.URLField(blank=True)
is_active = models.BooleanField(default=True, db_index=True)
class Meta:
ordering = ["name"]
verbose_name = "Standard Source"
verbose_name_plural = "Standard Sources"
def __str__(self):
return self.name
class StandardCategory(UUIDModel, TimeStampedModel):
"""Group standards by category (Patient Safety, Quality Management, etc.)"""
name = models.CharField(max_length=100)
name_ar = models.CharField(max_length=100, blank=True, verbose_name="Name (Arabic)")
description = models.TextField(blank=True)
order = models.PositiveIntegerField(default=0, help_text="Display order")
is_active = models.BooleanField(default=True, db_index=True)
source = models.ForeignKey(
StandardSource,
on_delete=models.CASCADE,
related_name="categories",
null=True,
blank=True,
help_text="Which source this category belongs to",
)
max_score = models.DecimalField(
max_digits=8, decimal_places=2, default=0, help_text="Maximum possible score for this category (MOH)"
)
class Meta:
ordering = ["order", "name"]
verbose_name = "Standard Category"
verbose_name_plural = "Standard Categories"
def __str__(self):
return self.name
class ActivityType(UUIDModel, TimeStampedModel):
"""Activity types for standards (Clinical, Administrative, Support, etc.)"""
name = models.CharField(max_length=200)
name_ar = models.CharField(max_length=200, blank=True, verbose_name="Name (Arabic)")
description = models.TextField(blank=True)
is_active = models.BooleanField(default=True, db_index=True)
class Meta:
ordering = ["name"]
verbose_name = "Activity Type"
verbose_name_plural = "Activity Types"
def __str__(self):
return self.name
class Standard(UUIDModel, TimeStampedModel):
"""Actual standard requirements"""
class ComplianceStatus(models.TextChoices):
NOT_ASSESSED = "not_assessed", "Not Assessed"
MET = "met", "Met"
PARTIALLY_MET = "partially_met", "Partially Met"
NOT_MET = "not_met", "Not Met"
NOT_APPLICABLE = "not_applicable", "Not Applicable"
class AssessmentMethod(models.TextChoices):
DOCUMENT_REVIEW = "document_review", "Document Review"
STAFF_INTERVIEW = "staff_interview", "Staff Interview"
OBSERVATION = "observation", "Observation"
EVIDENCE = "evidence", "Evidence"
QUALITY_COMMITTEE = "quality_committee", "Quality Committee"
MULTIPLE = "multiple", "Multiple Methods"
code = models.CharField(max_length=50, db_index=True, help_text="e.g., CBAHI-PS-01, 22.1, 1.1")
title = models.CharField(max_length=500)
title_ar = models.CharField(max_length=500, blank=True, verbose_name="Title (Arabic)")
description = models.TextField(blank=True, help_text="Full description of the standard")
source = models.ForeignKey(StandardSource, on_delete=models.PROTECT, related_name="standards")
category = models.ForeignKey(StandardCategory, on_delete=models.PROTECT, related_name="standards")
departments = models.ManyToManyField(
"organizations.Department",
blank=True,
related_name="standards",
help_text="Select departments this standard applies to (empty = applies to all)",
)
activity_type = models.ForeignKey(
ActivityType,
on_delete=models.SET_NULL,
null=True,
blank=True,
related_name="standards",
help_text="Activity type for this standard",
)
parent_standard = models.ForeignKey(
"self",
on_delete=models.CASCADE,
null=True,
blank=True,
related_name="sub_standards",
help_text="Parent standard for sub-items like 4.3.1 under 4.3",
)
assessment_method = models.CharField(
max_length=30, choices=AssessmentMethod.choices, blank=True, help_text="How compliance is assessed"
)
assessment_method_ar = models.CharField(
max_length=200, blank=True, help_text="Arabic assessment method text from source file"
)
order_within_category = models.PositiveIntegerField(default=0, help_text="Display order within category")
effective_date = models.DateField(null=True, blank=True, help_text="When standard becomes effective")
review_date = models.DateField(null=True, blank=True, help_text="Next review date")
is_active = models.BooleanField(default=True, db_index=True)
is_heading = models.BooleanField(
default=False, help_text="True for section headers (e.g. 'القيادة رقم 22: ...')"
)
is_assessable = models.BooleanField(
default=True,
help_text="If False, this standard is informational only (no assessment required). Headings are always non-assessable.",
)
class Meta:
ordering = ["source", "category", "order_within_category", "code"]
verbose_name = "Standard"
verbose_name_plural = "Standards"
def __str__(self):
return f"{self.code}: {self.title}"
class StandardCompliance(UUIDModel, TimeStampedModel):
"""Track compliance status per hospital per standard"""
class ComplianceStatus(models.TextChoices):
NOT_ASSESSED = "not_assessed", "Not Assessed"
MET = "met", "Met"
PARTIALLY_MET = "partially_met", "Partially Met"
NOT_MET = "not_met", "Not Met"
NOT_APPLICABLE = "not_applicable", "Not Applicable"
class Priority(models.TextChoices):
HIGH = "high", "High"
MEDIUM = "medium", "Medium"
LOW = "low", "Low"
class AssessmentCode(models.TextChoices):
TM = "TM", "Fully Met"
TM2 = "TM2", "Met (Level 2)"
TM3 = "TM3", "Met (Level 3)"
PM = "PM", "Partially Met"
PM2 = "PM2", "Partially Met (Level 2)"
PM3 = "PM3", "Partially Met (Level 3)"
NM = "NM", "Not Met"
NM2 = "NM2", "Not Met (Level 2)"
NM3 = "NM3", "Not Met (Level 3)"
hospital = models.ForeignKey(
"organizations.Hospital",
on_delete=models.CASCADE,
related_name="standard_compliance_records",
null=True,
blank=True,
)
department = models.ForeignKey(
"organizations.Department",
on_delete=models.CASCADE,
related_name="compliance_records",
null=True,
blank=True,
)
standard = models.ForeignKey(Standard, on_delete=models.CASCADE, related_name="compliance_records")
status = models.CharField(
max_length=20, choices=ComplianceStatus.choices, default=ComplianceStatus.NOT_ASSESSED, db_index=True
)
status_ar = models.CharField(max_length=50, blank=True, help_text="Original Arabic status text from source")
last_assessed_date = models.DateField(null=True, blank=True, help_text="Date of last assessment")
assessor = models.ForeignKey(
"accounts.User", on_delete=models.SET_NULL, null=True, blank=True, related_name="assessments"
)
notes = models.TextField(blank=True, help_text="Assessment notes")
recommendations = models.TextField(blank=True, help_text="Recommendations / strengths / findings")
evidence_summary = models.TextField(blank=True, help_text="Summary of evidence")
target_status = models.CharField(
max_length=20, choices=ComplianceStatus.choices, blank=True, default="", help_text="Target compliance status"
)
corrective_action = models.TextField(blank=True, help_text="Corrective action plan")
priority = models.CharField(
max_length=10, choices=Priority.choices, blank=True, default=""
)
target_date = models.CharField(
max_length=100, blank=True, default="", help_text="Target completion date (text, from source)"
)
target_date_actual = models.DateField(null=True, blank=True, help_text="Parsed target date")
score = models.DecimalField(max_digits=8, decimal_places=2, null=True, blank=True, help_text="Score achieved")
max_score = models.DecimalField(
max_digits=8, decimal_places=2, null=True, blank=True, help_text="Maximum possible score"
)
assessment_code = models.CharField(
max_length=5, choices=AssessmentCode.choices, blank=True, default="", help_text="TM/PM/NM assessment code"
)
assessment_code_target = models.CharField(
max_length=5, blank=True, default="", help_text="Target assessment code (col D in MOH framework)"
)
supporting_documents = models.TextField(blank=True, help_text="Supporting document references")
action_note = models.TextField(blank=True, help_text="Action notes / improvement suggestions")
class Meta:
ordering = ["-created_at"]
verbose_name = "Standard Compliance"
verbose_name_plural = "Standard Compliance"
unique_together = [["hospital", "standard"]]
def __str__(self):
hosp = self.hospital.name_en if self.hospital else "No Hospital"
return f"{hosp} - {self.standard.code} - {self.status}"
class StandardAttachment(UUIDModel, TimeStampedModel):
"""Proof of compliance - evidence documents"""
compliance = models.ForeignKey(
StandardCompliance, on_delete=models.CASCADE, related_name="attachments", null=True, blank=True
)
standard = models.ForeignKey(
Standard,
on_delete=models.CASCADE,
related_name="direct_attachments",
null=True,
blank=True,
help_text="Direct evidence attached to the standard itself",
)
file = models.FileField(
upload_to="standards/attachments/%Y/%m/",
validators=[
FileExtensionValidator(
allowed_extensions=["pdf", "doc", "docx", "xls", "xlsx", "jpg", "jpeg", "png", "zip"]
)
],
)
filename = models.CharField(max_length=255, help_text="Original filename")
description = models.TextField(blank=True, help_text="Attachment description")
uploaded_by = models.ForeignKey(
"accounts.User", on_delete=models.SET_NULL, null=True, blank=True, related_name="uploaded_standards_attachments"
)
class Meta:
ordering = ["-created_at"]
verbose_name = "Standard Attachment"
verbose_name_plural = "Standard Attachments"
def __str__(self):
ref = self.compliance or self.standard or "No Reference"
return f"{ref} - {self.filename}"