improve dicom uploading

atlas/models.py

@@ -811,9 +811,11 @@ class UncategorisedDicom(models.Model):
     )
 
     series = models.ForeignKey(
-        "Series", related_name="imported_dicoms", on_delete=models.SET_NULL, null=True
+        "Series", related_name="imported_dicoms", on_delete=models.SET_NULL, null=True, blank=True
     )
 
+    series_instance_uid = models.CharField(max_length=255, blank=True, null=True)
+
     image_md5_hash = models.CharField(max_length=32, null=True, blank=True)
 
     def check_for_duplicates(self, image_hash):
@@ -833,10 +835,14 @@ class UncategorisedDicom(models.Model):
     def save(self, *args, **kwargs):
         """Override save method to add image hash"""
         if self.image:
+
+            ds = self.get_dicom_info()
+
+            self.series_instance_uid = ds["SeriesInstanceUID"].value
+
             # if self.check_for_duplicates():
             #    return DuplicateDicom
-            image_hash = get_image_dicom_hash(self.image)
-
+            image_hash = get_image_dicom_hash(None, dataset=ds)
 
             self.image_md5_hash = image_hash