Allow to override a navbar link for each language

ref issue #1

navbar/migrations/0004_elementdescription_link_override.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.2 on 2018-02-25 13:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('navbar', '0003_auto_20180204_2035'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='elementdescription',
+            name='link_override',
+            field=models.CharField(blank=True, max_length=512),
+        ),
+    ]

navbar/models.py

@@ -37,11 +37,21 @@ class Element(models.Model):
         )
 
     def description(self):
+        lang = get_language()
+        if lang is None:
+            lang = settings.LANGUAGE_CODE
         return ElementDescription.objects.filter(
             element=self.id,
-            language=get_language()
+            language=lang
         ).first()
 
+    def localized_link(self):
+        link = self.link
+        desc = self.description()
+        if desc.link_override:
+            link = desc.link_override
+        return link
+
     def __str__(self):
         desc = self.description()
         return desc.short_name if desc is not None else self.link
@@ -53,6 +63,7 @@ class ElementDescription(models.Model):
     short_name = models.CharField(max_length=32)
     full_name = models.CharField(max_length=64, blank=True)
     description = models.CharField(max_length=512, blank=True)
+    link_override = models.CharField(max_length=512, blank=True)
 
     def is_separator(self):
         return False

navbar/templates/navbar/navbar.html

@@ -8,9 +8,9 @@
     <div class="collapse navbar-collapse" id="navbarNav">
         <ul class="navbar-nav">
             {% for e in elems %}
-            {% if e.link %}
+            {% if e.localized_link %}
             <li class="nav-item">
-                <a class="nav-link" href="{{ e.link }}"{% if e.new_window %} target="_blank"{% endif %}>{{ e }}</a>
+                <a class="nav-link" href="{{ e.localized_link }}"{% if e.new_window %} target="_blank"{% endif %}>{{ e }}</a>
             </li>
             {% elif e.children %}
             <li class="nav-item dropdown">
@@ -22,7 +22,7 @@
                     {% if c.is_separator %}
                     <hr />
                     {% else %}
-                    <a class="dropdown-item" href="{% if c.add_locale %}/{{ current_lang_code }}{% endif %}{{ c.link }}"{% if c.new_window %} target="_blank"{% endif %}{% if c.description.full_name or c.description.description %} data-toggle="tooltip" data-placement="right" data-html="true" title="{% if c.description.full_name %}<b>{{ c.description.full_name }}</b>{% endif %}{% if c.description.full_name and c.description.description %}<hr />{% endif %}{{ c.description.description }}"{% endif %}>
+                    <a class="dropdown-item" href="{% if c.add_locale %}/{{ current_lang_code }}{% endif %}{{ c.localized_link }}"{% if c.new_window %} target="_blank"{% endif %}{% if c.description.full_name or c.description.description %} data-toggle="tooltip" data-placement="right" data-html="true" title="{% if c.description.full_name %}<b>{{ c.description.full_name }}</b>{% endif %}{% if c.description.full_name and c.description.description %}<hr />{% endif %}{{ c.description.description }}"{% endif %}>
                         <img src="{% static c.icon_path %}" alt="" /> {{ c }}
                     </a>
                     {% endif %}