On remplace les oembed par des liens

Fix #381

src/agenda_culturel/templates/agenda_culturel/message_moderation_form.html

@@ -60,7 +60,7 @@
             </li>
           </ul>
         </header>
-        <div>{{ object.message | safe }}</div>
+        <div>{{ object.message | remove_oembed | safe }}</div>
       </article>
       <article>
         {% if object.message_type == "from_contributor" or object.message_type == "from_contrib_no_msg" %}

src/agenda_culturel/templatetags/utils_extra.py

@@ -13,6 +13,7 @@ from django.templatetags.static import static
 from django.urls import reverse_lazy
 from django.utils.html import strip_tags
 from django.utils.safestring import mark_safe
+from bs4 import BeautifulSoup
 
 register = template.Library()
 
@@ -280,3 +281,17 @@ def navigation_links(filter, category, calendar, current_view):
 def per_day(nb, month):
     weekday, number_of_days = calendar.monthrange(month.year, month.month)
     return "%.1f" % (nb / number_of_days)
+
+
+@register.filter
+def remove_oembed(html):
+    soup = BeautifulSoup(html, "html.parser")
+
+    for f in soup.select("figure.media"):
+        oe = f.select("oembed")
+        if len(oe) == 1 and oe[0].has_attr("url"):
+            a = soup.new_tag("a")
+            a.attrs["href"] = oe[0].attrs["url"]
+            a.string = oe[0].attrs["url"]
+            f.replaceWith(a)
+    return str(soup)