Refactor ICD11 Table; Cleanup in-memory search

care/facility/management/commands/load_meta_icd11_diagnosis.py → care/facility/management/commands/load_icd11_diagnoses_data.py

@@ -1,17 +1,46 @@
+import json
+
 from django.core.management import BaseCommand, CommandError
 
-from care.facility.models.meta_icd11_diagnosis import MetaICD11Diagnosis
-from care.facility.static_data.icd11 import fetch_data
+from care.facility.models.icd11_diagnosis import ICD11Diagnosis
+
+
+def fetch_data():
+    with open("data/icd11.json", "r") as json_file:
+        return json.load(json_file)
+
+
+ICD11_ID_SUFFIX_TO_INT = {
+    "mms": 1,
+    "other": 2,
+    "unspecified": 3,
+}
+
+
+def icd11_id_to_int(icd11_id):
+    """
+    Maps ICD11 ID to an integer.
+
+    Eg:
+    - http://id.who.int/icd/entity/594985340 -> 594985340
+    - http://id.who.int/icd/entity/594985340/mms -> 5949853400001
+    - http://id.who.int/icd/entity/594985340/mms/unspecified -> 5949853400003
+    """
+    entity_id = icd11_id.replace("http://id.who.int/icd/entity/", "")
+    if entity_id.isnumeric():
+        return int(entity_id)
+    segments = entity_id.split("/")
+    return int(segments[0]) * 1e3 + ICD11_ID_SUFFIX_TO_INT[segments[-1]]
 
 
 class Command(BaseCommand):
     """
     Management command to load ICD11 diagnoses to database. Not for production
     use.
-    Usage: python manage.py load_meta_icd11_diagnosis
+    Usage: python manage.py load_icd11_diagnoses
     """
 
-    help = "Loads ICD11 data to a table in to database."
+    help = "Loads ICD11 diagnoses data to database"
 
     data = []
     roots_lookup = {}
@@ -29,8 +58,9 @@ class Command(BaseCommand):
     """
 
     CLASS_KIND_DB_KEYS = {
-        "block": "root_block",
-        "category": "root_category",
+        "chapter": "meta_chapter",
+        "block": "meta_root_block",
+        "category": "meta_root_category",
     }
 
     ICD11_GROUP_LABEL_PRETTY = {
@@ -55,13 +85,12 @@ class Command(BaseCommand):
         "19 Certain conditions originating in the perinatal period": "Neonatology",
         "20 Developmental anomalies": "Developmental Anomalies",
         "21 Symptoms, signs or clinical findings, not elsewhere classified": "Others",
-        "22 Injury, poisoning or certain other consequences of external causes": "Injury, Poisoning ",
+        "22 Injury, poisoning or certain other consequences of external causes": "Injury, Poisoning",
         "23 External causes of morbidity or mortality": "External Causes of Injury",
         "24 Factors influencing health status or contact with health services": None,
         "25 Codes for special purposes": "Codes for special purposes",
         "26 Supplementary Chapter Traditional Medicine Conditions - Module I": None,
-        "V Supplementary section for functioning assessment": "Functioning assessment ",
-        "X Extension Codes": "NOT RELEVANT",
+        "V Supplementary section for functioning assessment": "Functioning assessment",
     }
 
     def find_roots(self, item):
@@ -98,7 +127,7 @@ def my(x):
         )
 
     def handle(self, *args, **options):
-        print("Loading ICD11 data to DB Table (meta_icd11_diagnosis)...")
+        print("Loading ICD11 diagnoses data to database...")
         try:
             self.data = fetch_data()
 
@@ -110,29 +139,27 @@ def roots(item):
                 result = {
                     self.CLASS_KIND_DB_KEYS.get(k, k): v for k, v in roots.items()
                 }
-                result["chapter_short"] = mapped
-                result["deleted"] = mapped is None
+                result["meta_chapter_short"] = mapped
+                result["meta_hidden"] = mapped is None
                 return result
 
-            MetaICD11Diagnosis.objects.all().delete()
-            MetaICD11Diagnosis.objects.bulk_create(
+            ICD11Diagnosis.objects.all().delete()
+            ICD11Diagnosis.objects.bulk_create(
                 [
-                    MetaICD11Diagnosis(
-                        id=icd11_object["ID"],
-                        _id=int(icd11_object["ID"].split("/")[-1]),
-                        average_depth=icd11_object["averageDepth"],
-                        is_adopted_child=icd11_object["isAdoptedChild"],
-                        parent_id=icd11_object["parentId"],
-                        class_kind=icd11_object["classKind"],
-                        is_leaf=icd11_object["isLeaf"],
-                        label=icd11_object["label"],
-                        breadth_value=icd11_object["breadthValue"],
-                        **roots(icd11_object),
+                    ICD11Diagnosis(
+                        id=icd11_id_to_int(obj["ID"]),
+                        icd11_id=obj["ID"],
+                        label=obj["label"],
+                        class_kind=obj["classKind"],
+                        is_leaf=obj["isLeaf"],
+                        parent_id=obj["parentId"] and icd11_id_to_int(obj["parentId"]),
+                        average_depth=obj["averageDepth"],
+                        is_adopted_child=obj["isAdoptedChild"],
+                        breadth_value=obj["breadthValue"],
+                        **roots(obj),
                     )
-                    for icd11_object in self.data
-                    if icd11_object["ID"].split("/")[-1].isnumeric()
+                    for obj in self.data
                 ]
             )
-            print("Done loading ICD11 data to database.")
         except Exception as e:
             raise CommandError(e)

care/facility/migrations/0388_icd11diagnosis.py

@@ -0,0 +1,57 @@
+# Generated by Django 4.2.2 on 2023-09-25 13:00
+
+import django.db.models.deletion
+from django.core.management import call_command
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("facility", "0387_merge_20230911_2303"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ICD11Diagnosis",
+            fields=[
+                ("id", models.BigIntegerField(primary_key=True, serialize=False)),
+                ("icd11_id", models.CharField(max_length=255, unique=True)),
+                ("label", models.CharField(max_length=255)),
+                (
+                    "class_kind",
+                    models.CharField(
+                        choices=[
+                            ("chapter", "Chapter"),
+                            ("block", "Block"),
+                            ("category", "Category"),
+                        ],
+                        max_length=255,
+                    ),
+                ),
+                ("is_leaf", models.BooleanField()),
+                ("average_depth", models.IntegerField()),
+                ("is_adopted_child", models.BooleanField()),
+                (
+                    "breadth_value",
+                    models.DecimalField(decimal_places=22, max_digits=24),
+                ),
+                ("meta_hidden", models.BooleanField(default=False)),
+                ("meta_chapter", models.CharField(max_length=255)),
+                ("meta_chapter_short", models.CharField(max_length=255, null=True)),
+                ("meta_root_block", models.CharField(max_length=255, null=True)),
+                ("meta_root_category", models.CharField(max_length=255, null=True)),
+                (
+                    "parent",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.DO_NOTHING,
+                        to="facility.icd11diagnosis",
+                    ),
+                ),
+            ],
+        ),
+        migrations.RunPython(
+            lambda apps, schema_editor: call_command("load_icd11_diagnoses_data"),
+            reverse_code=migrations.RunPython.noop,
+        ),
+    ]

care/facility/models/__init__.py

@@ -6,6 +6,7 @@
 from .bed import *  # noqa
 from .daily_round import *  # noqa
 from .facility import *  # noqa
+from .icd11_diagnosis import *  # noqa
 from .inventory import *  # noqa
 from .meta_icd11_diagnosis import *  # noqa
 from .patient import *  # noqa

care/facility/models/icd11_diagnosis.py

@@ -0,0 +1,33 @@
+from django.db import models
+
+
+class ICD11ClassKind(models.TextChoices):
+    CHAPTER = "chapter"
+    BLOCK = "block"
+    CATEGORY = "category"
+
+
+class ICD11Diagnosis(models.Model):
+    """
+    Use ICDDiseases for in-memory search.
+    """
+
+    id = models.BigIntegerField(primary_key=True)
+    icd11_id = models.CharField(max_length=255, unique=True)
+    label = models.CharField(max_length=255)
+    class_kind = models.CharField(max_length=255, choices=ICD11ClassKind.choices)
+    is_leaf = models.BooleanField()
+    parent = models.ForeignKey("self", on_delete=models.DO_NOTHING, null=True)
+    average_depth = models.IntegerField()
+    is_adopted_child = models.BooleanField()
+    breadth_value = models.DecimalField(max_digits=24, decimal_places=22)
+
+    # Meta fields
+    meta_hidden = models.BooleanField(default=False)
+    meta_chapter = models.CharField(max_length=255)
+    meta_chapter_short = models.CharField(max_length=255, null=True)
+    meta_root_block = models.CharField(max_length=255, null=True)
+    meta_root_category = models.CharField(max_length=255, null=True)
+
+    def __str__(self) -> str:
+        return self.label

care/facility/models/meta_icd11_diagnosis.py

@@ -4,6 +4,8 @@
 class MetaICD11Diagnosis(models.Model):
     """
     Not for production use. For Metabase purposes only. Do not build relations to this model.
+
+    Deprecated in favor of ICD11Diagnosis. This table will be removed in the future.
     """
 
     id = models.CharField(max_length=255, primary_key=True)

care/facility/static_data/icd11.py

@@ -1,43 +1,21 @@
 import contextlib
-import json
 
+from django.db import connection
 from littletable import Table
 
+from care.facility.models.icd11_diagnosis import ICD11Diagnosis
 
-def fetch_data():
-    with open("data/icd11.json", "r") as json_file:
-        return json.load(json_file)
 
-
-def is_numeric(val):
-    if str(val).isnumeric():
-        return val
-    return -1
+def fetch_from_db():
+    # This is a hack to prevent the migration from failing when the table does not exist
+    all_tables = connection.introspection.table_names()
+    if "facility_icd11diagnosis" in all_tables:
+        return ICD11Diagnosis.objects.all().values("id", "label")
+    return []
 
 
 ICDDiseases = Table("ICD11")
-icd11_objects = fetch_data()
-entity_id = ""
-IGNORE_FIELDS = [
-    "isLeaf",
-    "classKind",
-    "isAdoptedChild",
-    "averageDepth",
-    "breadthValue",
-    "Suggested",
-]
-
-for icd11_object in icd11_objects:
-    for field in IGNORE_FIELDS:
-        icd11_object.pop(field, "")
-    icd11_object["id"] = icd11_object.pop("ID")
-    entity_id = icd11_object["id"].split("/")[-1]
-    icd11_object["id"] = is_numeric(entity_id)
-    if icd11_object["id"] == -1:
-        continue
-    if icd11_object["id"]:
-        ICDDiseases.insert(icd11_object)
-
+ICDDiseases.insert_many(fetch_from_db())
 ICDDiseases.create_search_index("label")
 ICDDiseases.create_index("id", unique=True)