Merge pull request #12 from ThreeSixtyGiving/non-unique-id-values-add-explanatory-text

Explanatory text for non-unique-id values

Author: BibianaC

cove/cove_360/templatetags/cove_tags.py

@@ -0,0 +1,21 @@
+from cove.html_error_msg import html_error_msg
+from cove.templatetags.cove_tags import register
+from django.utils.html import mark_safe
+from django.utils.translation import gettext_lazy as _
+
+
+@register.filter(name='html_error_msg')
+def html_error_msg_360(error):
+    """
+    Replaces default `html_error_msg` and then chains up with the implementation of lib-cove-web.
+    """
+    if error["error_id"] == "uniqueItems_with_id":
+        return mark_safe(_(
+            "Non-unique id values. There are grants in your data with the same Id. "
+            "Each Id must be unique so the grants can be distinguished from each other. "
+            "If there are duplicate grant records in your data these should be removed. "
+            "If different grants have the same Id these should be updated to make them unique. "
+            "<a href=\"https://standard.threesixtygiving.org/en/latest/identifiers/#grant-identifier\" target=\"_blank\">(more info)</a>"
+        ))
+
+    return html_error_msg(error)