Multiple referrals

plugins/lab/migrations/0016_remove_bloods_employment.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.16 on 2022-05-16 13:29
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+		('rbhl', '0063_create_multiple_episodes'),
+        ('lab', '0015_auto_20220511_1354'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='bloods',
+            name='employment',
+        ),
+    ]

plugins/lab/models.py

@@ -137,10 +137,8 @@ class Bloods(RbhlSubrecord, models.PatientSubrecord):
     blood_date         = fields.DateField(
         blank=True, null=True, verbose_name="Sample received"
     )
-    blood_number       = fields.CharField(blank=True, null=True,
-                                          max_length=200)
-    employment           = fields.ForeignKey(
-        "rbhl.Employment", blank=True, null=True, on_delete=fields.SET_NULL
+    blood_number       = fields.CharField(
+        blank=True, null=True, max_length=200
     )
     referral           = fields.ForeignKey(
         "rbhl.Referral", blank=True, null=True, on_delete=fields.SET_NULL

plugins/lab/static/js/lab/controllers/bloods.js

@@ -9,6 +9,7 @@ angular.module('opal.controllers').controller(
   var init = function(){
     var bloodTest;
     scope.bloodTest = null;
+		scope.patient_id = scope.episode.demographics[0].patient_id;
     var id = $location.search().id;
     if(!id){
       bloodTest = {};
@@ -22,24 +23,6 @@ angular.module('opal.controllers').controller(
     scope.bloodTest = {bloods: bloodTest};
   }
 
-  scope.employment_display = function(employment){
-    /*
-    * Options do not allow if statements so we format the display
-    * name of the employment in here.
-    */
-    var result;
-    if(employment.employer && employment.oh_provider){
-      result = employment.employer + "/" + employment.oh_provider;
-    }
-    else{
-      result = employment.employer || employment.oh_provider;
-    }
-    if(employment.job_title){
-      result += " (" + employment.job_title + ")";
-    }
-    return result;
-  }
-
   scope.referral_display = function(referral){
     /*
     * Options do not allow if statements so we format the display

plugins/lab/templates/lab_report.html

@@ -87,7 +87,7 @@
           Employer:
         </div>
         <div class="col-xs-7 col-md-9">
-          {{ object.employment.employer }}
+          {{ object.referral.episode.employment_set.get.employer }}
         </div>
       </div>
     </div>
@@ -97,7 +97,7 @@
           OH Provider:
         </div>
         <div class="col-xs-7 col-md-9">
-          {{ object.employment.oh_provider }}
+          {{ object.referral.episode.employment_set.get.oh_provider }}
         </div>
       </div>
     </div>

plugins/lab/templates/pathway/bloods_form.html

@@ -15,22 +15,6 @@
       </div>
     </div>
     <div class="row">
-      <div class="col-md-6">
-        <div class="horizontal-form">
-          <label class="control-label">
-            Employment
-          </label>
-          <select name="bloods_employment" class="form-control" ng-model="editing.bloods.employment_id" convert-to-number>
-            <option value="">---------</option>
-            <option value="[[ i.id ]]" ng-if="employment_display(i)" ng-repeat="i in episode.employment">
-              [[ employment_display(i) ]]
-            </option>
-          </select>
-          <span class="help-block">
-            Or <a class="pointer" ng-click="addSubrecord('employment')">add a new employment</a>
-          </span>
-        </div>
-      </div>
       <div class="col-md-6">
         <div class="horizontal-form">
           <label class="control-label">
@@ -43,17 +27,17 @@
             </option>
           </select>
           <span class="help-block">
-            Or <a class="pointer" ng-click="addSubrecord('referral')">add a new referral</a>
+            Or <a class="pointer" href="/#/patient/[[ patient_id ]]/">add a new referral</a>
           </span>
         </div>
       </div>
-    </div>
-    <div class="row">
       <div class="col-md-6">
         <div class="horizontal-form">
           {% datepicker field="Bloods.blood_date" style="vertical" %}
         </div>
       </div>
+    </div>
+    <div class="row">
       <div class="col-md-6">
         <div class="horizontal-form">
           {% checkbox field="Bloods.store" style="vertical" %}

plugins/lab/views.py

@@ -312,8 +312,10 @@ def get_requests_by_oh_provider(self):
                 if blood.blood_number in blood_nums_seen:
                     continue
                 blood_nums_seen.add(blood.blood_number)
-                employment = blood.employment
+                employment = None
                 employer_referrer = None
+                if blood.referral:
+                    employment = blood.referral.episode.employment_set.all()[0]
                 if employment and employment.employer and employment.oh_provider:
                     employer_referrer = "{}/{}".format(
                         employment.employer, employment.oh_provider
@@ -384,16 +386,18 @@ def get_rows(self, month, year):
         bloods = Bloods.objects.filter(blood_date__month=month).filter(
             blood_date__year=year
         ).select_related(
-            "employment", "referral"
+            "referral"
         ).prefetch_related(
-            'patient__demographics_set'
+            'patient__demographics_set',
+            'referral__episode__employment_set'
         ).order_by("blood_date")
         result = []
         for blood in bloods:
             patient_id = blood.patient_id
             episode_id = blood.patient.episode_set.last().id
-            employment = blood.employment
-            employer = "No employer"
+            employment = None
+            if blood.referral:
+                employment = blood.referral.episode.employment_set.all()[0]
             oh_provider = "No OH provider"
             if employment and employment.employer:
                 employer = employment.employer

rbhl/__init__.py

@@ -38,6 +38,9 @@ class Application(application.OpalApplication):
         'js/rbhl/services/demographics_search_lookup.js',
         'js/rbhl/controllers/peak_flow_step.js',
         'js/rbhl/controllers/delete_patient.js',
+        'js/rbhl/controllers/delete_episode.js',
+        'js/rbhl/controllers/add_occld_episode.js',
+        'js/rbhl/controllers/occld_helper.js',
     ]
     styles = [
         'css/rbhl.css'

rbhl/api.py

@@ -2,15 +2,17 @@
 API endpoints for RBHL
 """
 from collections import defaultdict
+from django.shortcuts import get_object_or_404
 from rest_framework import status
 import itertools
 from decimal import Decimal
 from opal.core.views import json_response
 from opal.core.api import (
     LoginRequiredViewset, episode_from_pk, patient_from_pk
 )
-from rbhl import models
+from rbhl import models, episode_categories
 from opal.core.api import OPALRouter
+from opal import models as opal_models
 
 
 def get_ranges(numbers):
@@ -160,6 +162,27 @@ def destroy(self, request, patient):
         return json_response('deleted', status_code=status.HTTP_202_ACCEPTED)
 
 
+class OCCLDEpisodeViewset(LoginRequiredViewset):
+    basename = "occld_episode"
+
+    @episode_from_pk
+    def destroy(self, _, episode):
+        episode.delete()
+        return json_response('deleted', status_code=status.HTTP_202_ACCEPTED)
+
+    def create(self, request, *args, **kwargs):
+        patient_id = request.data.get('patient_id')
+        patient = get_object_or_404(opal_models.Patient, id=patient_id)
+        created_episode = patient.episode_set.create(
+            category_name=episode_categories.OccupationalLungDiseaseEpisode.display_name
+        )
+        return json_response(
+            {"id": created_episode.id},
+            status_code=status.HTTP_201_CREATED
+        )
+
+
 indigo_router = OPALRouter()
 indigo_router.register(PeakFlowGraphData.basename, PeakFlowGraphData)
 indigo_router.register(DeletePatientViewset.basename, DeletePatientViewset)
+indigo_router.register(OCCLDEpisodeViewset.basename, OCCLDEpisodeViewset)

rbhl/migrations/0062_cliniclog_sword.py

@@ -7,6 +7,7 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ('rbhl', '0061_auto_20220509_1240'),
+
     ]
 
     operations = [

rbhl/migrations/0063_create_multiple_episodes.py

@@ -0,0 +1,135 @@
+# Generated by Django 2.2.16 on 2022-05-16 16:43
+
+from django.db import migrations
+from django.db.models import Count
+from django.core import management
+
+
+
+# Generated by Django 2.2.16 on 2021-11-26 13:50
+
+from django.db import migrations
+
+
+def get_episode_ids_with_duplicate_referrals(Episode):
+    """
+    Returns episode ids of patients that seem to have
+    duplicate referrals because they have the same
+    date of referral or date of first appointment.
+    """
+    result = set()
+    multiple_referral_episodes = Episode.objects.annotate(cnt=Count('referral')).filter(cnt__gt=1)
+    multiple_referral_episodes = multiple_referral_episodes.prefetch_related('referral_set')
+    for episode in multiple_referral_episodes:
+        referrals = episode.referral_set.all()
+        referral_dates = [i.date_of_referral for i in referrals if i.date_of_referral]
+        if referral_dates and not len(referral_dates) == len(set(referral_dates)):
+            result.add(episode.id)
+        else:
+            dates_of_first_clinic = [
+                i.date_first_appointment for i in referrals if i.date_first_appointment
+            ]
+            if dates_of_first_clinic:
+                if not len(dates_of_first_clinic) == len(set(dates_of_first_clinic)):
+                    result.add(episode.id)
+    return result
+
+
+def get_closest_referral(episode):
+    """
+    Returns the closest referral within a year before the clinic date
+    """
+    referrals = episode.referral_set.all()
+    clinic_log = episode.cliniclog_set.all()[0]
+    if not clinic_log.clinic_date:
+        return
+    referrals_with_dates = [
+        i for i in referrals if i.date_of_referral if i.date_of_referral
+    ]
+    closest = None
+    closest_diff = None
+    for referral in referrals_with_dates:
+        if not referral.date_of_referral:
+            continue
+        if referral.date_of_referral > clinic_log.clinic_date:
+            continue
+        days_diff =  (clinic_log.clinic_date - referral.date_of_referral).days
+        if days_diff > 365:
+            continue
+        if not closest:
+            closest = referral
+            closest_diff = days_diff
+        elif closest_diff > days_diff:
+            closest = referral
+            closest_diff = days_diff
+    return closest
+
+
+def create_episode_from_referral(patient, referral):
+    episode = patient.episode_set.create()
+    bloods = referral.bloods_set.all()
+    referral.episode = episode
+    referral.save()
+    if bloods:
+        for blood in bloods:
+            if blood.employment:
+                employment = blood.employment
+                employment.episode = episode
+                employment.save()
+
+
+def create_episodes(episode):
+    """
+    If there is no clinic log date then this is a sign that its
+    a patient who has only been seen by the lab. Create an episode
+    for each referral after the initial.
+
+    If there is a clinic log date then create episides for all
+    referrals apart from the one closest the clinic log date.
+
+    Otherwise create an episode for each referral after the initial
+    """
+    clinic_log = episode.cliniclog_set.all()[0]
+
+    if not clinic_log.clinic_date:
+        referrals_that_need_episodes = list(episode.referral_set.all())[1:]
+    else:
+        closest_referral = get_closest_referral(episode)
+        if closest_referral:
+            referrals_that_need_episodes = [
+                i for i in episode.referral_set.all() if not i.id == closest_referral.id
+            ]
+        else:
+            referrals_that_need_episodes = list(episode.referral_set.all())[1:]
+    for referral in referrals_that_need_episodes:
+        create_episode_from_referral(episode.patient, referral)
+
+
+def forwards(apps, schema_editor):
+    Episode = apps.get_model('opal', 'Episode')
+    episodes_with_duplicate_referrals = get_episode_ids_with_duplicate_referrals(Episode)
+    episodes_with_multiple_referrals = Episode.objects.annotate(
+        cnt=Count('referral')
+    ).filter(
+        cnt__gt=1
+    ).exclude(
+        id__in=episodes_with_duplicate_referrals
+    ).prefetch_related(
+        'referral_set', 'cliniclog_set'
+    )
+    for episode in episodes_with_multiple_referrals:
+        create_episodes(episode)
+    management.call_command('create_singletons')
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('rbhl', '0062_cliniclog_sword'),
+    ]
+
+
+    operations = [
+        migrations.RunPython(
+            forwards
+        )
+    ]

rbhl/migrations/0064_auto_20220518_1141.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.16 on 2022-05-18 11:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rbhl', '0063_create_multiple_episodes'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='cliniclog',
+            name='sword',
+            field=models.CharField(blank=True, choices=[('Not relevant', 'Not relevant'), ('Needs to be reported', 'Needs to be reported'), ('Reported', 'Reported')], max_length=256, null=True, verbose_name='SWORD'),
+        ),
+    ]