From b6277f2e732f7e6a975d94409017a07d98904d5f Mon Sep 17 00:00:00 2001
From: Jonathan Willitts <JonathanWillitts@users.noreply.github.com>
Date: Mon, 12 Aug 2024 17:27:58 +0100
Subject: [PATCH] Fixes server error loading AE reports if desc contains `{` or
 `}` (#816)

---
 .../templatetags/edc_adverse_event_extras.py  | 28 +++++++++++++------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/edc_adverse_event/templatetags/edc_adverse_event_extras.py b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
index e8b66cf..5c212fe 100644
--- a/edc_adverse_event/templatetags/edc_adverse_event_extras.py
+++ b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
@@ -47,12 +47,16 @@ class DeathReportModel(DeathReportModelMixin, BaseUuidModel): ...
 register = template.Library()
 
 
-def wrapx(text, length):
+def wrapx(text: str, length: int) -> str:
     if length:
         return "<BR>".join(wrap(text, length))
     return text
 
 
+def escape_braces(text: str) -> str:
+    return text.replace("{", "{{").replace("}", "}}")
+
+
 def select_ae_template(relative_path):
     """Returns a template object."""
     local_path = f"{get_adverse_event_app_label()}/bootstrap{get_bootstrap_version()}/"
@@ -78,10 +82,14 @@ def format_ae_description(context, ae_initial, wrap_length):
     context["YES"] = YES
     context["ae_initial"] = ae_initial
     try:
-        context["sae_reason"] = format_html(wrapx(ae_initial.sae_reason.name, wrap_length))
+        context["sae_reason"] = format_html(
+            wrapx(escape_braces(ae_initial.sae_reason.name), wrap_length)
+        )
     except AttributeError:
         context["sae_reason"] = ""
-    context["ae_description"] = format_html(wrapx(ae_initial.ae_description, wrap_length))
+    context["ae_description"] = format_html(
+        wrapx(escape_braces(ae_initial.ae_description), wrap_length)
+    )
     return context
 
 
@@ -96,13 +104,15 @@ def format_ae_followup_description(context, ae_followup, wrap_length):
     context["ae_initial"] = ae_followup.ae_initial
     try:
         context["sae_reason"] = format_html(
-            wrapx(ae_followup.ae_initial.sae_reason.name, wrap_length)
+            wrapx(escape_braces(ae_followup.ae_initial.sae_reason.name), wrap_length)
         )
     except AttributeError:
         context["sae_reason"] = ""
-    context["relevant_history"] = format_html(wrapx(ae_followup.relevant_history, wrap_length))
+    context["relevant_history"] = format_html(
+        wrapx(escape_braces(ae_followup.relevant_history), wrap_length)
+    )
     context["ae_description"] = format_html(
-        wrapx(ae_followup.ae_initial.ae_description, wrap_length)
+        wrapx(escape_braces(ae_followup.ae_initial.ae_description), wrap_length)
     )
     return context
 
@@ -116,10 +126,12 @@ def format_ae_susar_description(context, ae_susar, wrap_length):
     context["ae_susar"] = ae_susar
     context["ae_initial"] = ae_susar.ae_initial
     context["sae_reason"] = format_html(
-        "<BR>".join(wrap(ae_susar.ae_initial.sae_reason.name, wrap_length or 35))
+        "<BR>".join(
+            wrap(escape_braces(ae_susar.ae_initial.sae_reason.name), wrap_length or 35)
+        )
     )
     context["ae_description"] = format_html(
-        wrapx(ae_susar.ae_initial.ae_description, wrap_length)
+        wrapx(escape_braces(ae_susar.ae_initial.ae_description), wrap_length)
     )
     return context