add filter to new keywords page

cookbook/filters.py

@@ -66,6 +66,14 @@ class IngredientFilter(django_filters.FilterSet):
         fields = ['name']
 
 
+class KeywordFilter(django_filters.FilterSet):
+    name = django_filters.CharFilter(lookup_expr='icontains')
+
+    class Meta:
+        model = Keyword
+        fields = ['name']
+
+
 class ShoppingListFilter(django_filters.FilterSet):
 
     def __init__(self, data=None, *args, **kwargs):

cookbook/templates/manage/keyword_table.html

@@ -1,4 +1,3 @@
-{% load crispy_forms_tags %}
 {% load i18n %}
 {% load django_tables2 %}
 

cookbook/templates/manage/keywords.html

@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% load crispy_forms_tags %}
 {% load i18n %}
 {% load django_tables2 %}
 
@@ -8,13 +9,26 @@
 {% block content %}
 
     <div class="table-container">
-        <h3 style="margin-bottom: 2vh">{% trans 'Manage Keywords' %} {% trans 'List' %}
+        <h3 style="margin-bottom: 2vh">{% trans 'Manage Keywords' %} 
             {% if create_url %}
                 <a href="{% url create_url %}"> <i class="fas fa-plus-circle"></i>
                 </a>
             {% endif %}
         </h3>
 
+        {% if filter %}
+            <br/>
+            <br/>
+            <form action="." method="get">
+                {% csrf_token %}
+                {{ filter.form|crispy }}
+                <button type="submit" class="btn btn-success">{% trans 'Filter' %}</button>
+                <a href="{% url 'manage_keywords' %}" 
+                   class="btn btn-secondary shadow-none">{% trans 'Clear' %}</a>
+            </form>
+        {% endif %}
+        
+
         {% render_table table %}
 
     </div>

cookbook/views/manage.py

@@ -1,3 +1,4 @@
+from cookbook.filters import KeywordFilter
 from cookbook.helper.permission_helper import group_required
 from cookbook.models import Keyword
 from cookbook.tables import ManageKeywordTable
@@ -9,11 +10,17 @@ from django.utils.translation import gettext as _
 
 @group_required('user')
 def keywords(request):
-    table = ManageKeywordTable(Keyword.objects.all())
+    f = KeywordFilter(
+        request.GET,
+        queryset=Keyword.objects.all().order_by('pk')
+    )
+
+    table = ManageKeywordTable(f.qs)
     RequestConfig(request, paginate={'per_page': 25}).configure(table)
 
     return render(
         request,
         'manage/keywords.html',
-        {'title': _("Keyword"), 'table': table, 'create_url': 'new_keyword'}
+        {'title': _("Keyword"), 'table': table,
+         'create_url': 'new_keyword', 'filter': f}
     )