From 885abdf5d293830fb6a6b884435a593e33b06a00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Garc=C3=ADa?= <dgarcia@initios.com>
Date: Thu, 12 Apr 2018 13:32:59 +0200
Subject: [PATCH] Format due dates in email templates

---
 taiga/front/templatetags/functions.py         |  7 +++++
 .../emails/includes/fields_diff-html.jinja    | 27 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/taiga/front/templatetags/functions.py b/taiga/front/templatetags/functions.py
index db8a6616..2177afe6 100644
--- a/taiga/front/templatetags/functions.py
+++ b/taiga/front/templatetags/functions.py
@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from datetime import datetime
 
 from django_jinja import library
 from django_sites import get_by_id as get_site_by_id
@@ -31,3 +32,9 @@ def resolve(type, *args):
     scheme = site.scheme and "{0}:".format(site.scheme) or ""
     url = urls[type].format(*args)
     return url_tmpl.format(scheme=scheme, domain=site.domain, url=url)
+
+
+@library.filter(name="date")
+def format_date(value, *args):
+    date_value = datetime.strptime(value, '%Y-%m-%d')
+    return date_value.strftime('%d %b %Y')
diff --git a/taiga/projects/history/templates/emails/includes/fields_diff-html.jinja b/taiga/projects/history/templates/emails/includes/fields_diff-html.jinja
index 9d3473e7..ddce4468 100644
--- a/taiga/projects/history/templates/emails/includes/fields_diff-html.jinja
+++ b/taiga/projects/history/templates/emails/includes/fields_diff-html.jinja
@@ -149,6 +149,33 @@
                     {% endif %}
                 </td>
             </tr>
+    {# ASSIGNED TO #}
+        {% elif field_name == "due_date" %}
+            <tr>
+                <td valign="middle" rowspan="2" class="update-row-name">
+                    <h3>{{ verbose_name(obj_class, field_name) }}</h3>
+                </td>
+                <td valign="top" class="update-row-from">
+                    {% if values.0 != None and values.0 != "" %}
+                        <span>{{ _("from") }}</span><br>
+                        <strong>{{ values.0|date }}</strong>
+                    {% else %}
+                        <span>{{ _("from") }}</span><br>
+                        <strong>{{ _("Not set") }}</strong>
+                    {% endif %}
+                </td>
+            </tr>
+            <tr>
+                <td valign="top">
+                    {% if values.1 != None and values.1 != "" %}
+                        <span>{{ _("to") }}</span><br>
+                        <strong>{{ values.1|date }}</strong>
+                    {% else %}
+                        <span>{{ _("to") }}</span><br>
+                        <strong>{{ _("Not set") }}</strong>
+                    {% endif %}
+                </td>
+            </tr>
     {# * #}
         {% else %}
             <tr>