.

generic/admin.py

@@ -2,11 +2,12 @@ from longs.models import Exam
 from django.contrib import admin
 
 # Register your models here.
-from .models import Examination, Sign, Condition, Plane
+from .models import Examination, Sign, Condition, Plane, Contrast
 #from .models import Examination, Sign, Site, Condition
 
 admin.site.register(Examination)
 admin.site.register(Sign)
 #admin.site.register(Site)
 admin.site.register(Condition)
-admin.site.register(Plane)
+admin.site.register(Plane)
+admin.site.register(Contrast)

generic/migrations/0009_contrast.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.1.3 on 2021-02-25 18:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0008_plane'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Contrast',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('contrast', models.CharField(max_length=200)),
+            ],
+            options={
+                'ordering': ('contrast',),
+            },
+        ),
+    ]

generic/models.py

@@ -16,6 +16,15 @@ class Plane(models.Model):
     class Meta:
         ordering = ('plane', )
 
+class Contrast(models.Model):
+    contrast = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.contrast
+
+    class Meta:
+        ordering = ('contrast', )
+
 class Examination(models.Model):
     examination = models.CharField(max_length=200)
 

longs/migrations/0028_longseries_contrast.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1.3 on 2021-02-25 18:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0009_contrast'),
+        ('longs', '0027_longseries_plane'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='longseries',
+            name='contrast',
+            field=models.ForeignKey(help_text='MRI / CT contrast', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='series_contrast', to='generic.contrast'),
+        ),
+    ]

longs/models.py

@@ -25,7 +25,7 @@ from helpers.images import image_as_base64
 
 from anatomy.models import Modality
 
-from generic.models import Examination, Condition, Sign, ExamBase, Plane
+from generic.models import Examination, Condition, Sign, ExamBase, Plane, Contrast
 
 # from generic.models import Examination, Site, Condition, Sign
 
@@ -194,6 +194,13 @@ class LongSeries(models.Model):
         on_delete=models.SET_NULL,
         null=True,
     )
+    contrast = models.ForeignKey(
+        Contrast,
+        help_text="MRI / CT contrast",
+        related_name="series_contrast",
+        on_delete=models.SET_NULL,
+        null=True,
+    )
     long = models.ManyToManyField(
         "Long",
         help_text="The question(s) this series should be associated with",