WIP

Author: epou

requirements/prod_20_04.pip

@@ -100,6 +100,7 @@ rsa==4.7.2
 scandir==1.5
 scikit-learn==0.21.3
 scipy==1.1.0
+shortuuid==1.0.11
 simplegeneric==0.8.1
 simplejson==3.17.2
 six==1.16.0

tigaserver_app/models.py

@@ -27,6 +27,7 @@
 from django.utils.timezone import utc
 from django.utils.translation import ugettext_lazy as _
 
+from shortuuid.django_fields import ShortUUIDField
 from simple_history.models import HistoricalRecords
 
 from common.translation import get_translation_in, get_locale_for_native
@@ -482,9 +483,11 @@ class Report(models.Model):
         editable=False,
         help_text='-1 if deleted, otherwise 0.'
     )
-    report_id = models.CharField(
-        max_length=4,
+    report_id = ShortUUIDField(
+        length=11,
+        unique=True,
         db_index=True,
+        alphabet="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz-", # NOTE: safe URL characters from https://zelark.github.io/nano-id-cc/
         help_text="4-digit alpha-numeric code generated on user phone to identify each unique report from that user. Digits should lbe randomly drawn from the set of all lowercase and uppercase alphabetic characters and 0-9, but excluding 0, o, and O to avoid confusion if we ever need user to be able to refer to a report ID in correspondence with MoveLab (as was previously the case when we had them sending samples).",
     )