allow to filter projects

config/settings/base.py

@@ -94,6 +94,7 @@
     "rules.apps.AutodiscoverRulesConfig",
     "organizations",
     "taggit",
+    "django_filters",
 ]
 
 LOCAL_APPS = [

metadata_catalogue/nina/filters.py

@@ -0,0 +1,22 @@
+import django_filters
+from taggit.forms import TagField
+
+from .forms import ProjectSearchForm
+from .models import Project
+
+
+class TagFilter(django_filters.CharFilter):
+    field_class = TagField
+
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("lookup_expr", "in")
+        super().__init__(*args, **kwargs)
+
+
+class ProjectFilter(django_filters.FilterSet):
+    tags = TagFilter(field_name="tags__name")
+
+    class Meta:
+        model = Project
+        form = ProjectSearchForm
+        fields = ["status", "topics", "category", "departments", "customer"]

metadata_catalogue/nina/forms.py

@@ -0,0 +1,18 @@
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Submit
+from django import forms
+
+from .models import Project
+
+
+class ProjectSearchForm(forms.ModelForm):
+    class Meta:
+        model = Project
+        fields = ["status", "topics", "category", "departments", "customer"]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.form_method = "get"
+
+        self.helper.add_input(Submit("submit", "Search"))

metadata_catalogue/nina/views.py

@@ -1,15 +1,18 @@
 from typing import Any
 
-from django.core.exceptions import ObjectDoesNotExist
 from django.views.generic import DetailView, ListView
+from django_filters.views import FilterView
 
 from metadata_catalogue.projects import views
 
-from .models import Department
+from .filters import ProjectFilter
+from .models import Department, Project
 
 
-class ProjectListView(views.ProjectListView):
+class ProjectListView(FilterView):
+    model = Project
     paginate_by = 20
+    filterset_class = ProjectFilter
 
 
 class ProjectUpdateView(views.ProjectUpdateView):

metadata_catalogue/templates/nina/project_filter.html

@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+
+{% load crispy_forms_tags %}
+
+{% block content %}
+  <h2>Projects</h2>
+  <div class="pb-5 mt-3 row">
+    <div class="col-3">{% crispy filter.form %}</div>
+    <div class="col-9">
+      <ul class="list-group">
+        {% for project in object_list %}
+          <li class="list-group-item">
+            <h5>
+              <a href="{% url 'projects-detail' slug=project.slug %}">{{ project.name }}</a>
+            </h5>
+            <p>{{ project.description|default_if_none:'No description' }}</p>
+          </li>
+        {% endfor %}
+      </ul>
+      <div class="mt-3">{% include 'includes/pagination.html' %}</div>
+    </div>
+  </div>
+{% endblock content %}

pyproject.toml

@@ -173,6 +173,7 @@ dependencies = [
     "django-organizations>=2.3.1",
     "swapper>=1.3.0",
     "django-taggit>=5.0.1",
+    "django-filter>=23.5",
 ]
 requires-python = ">=3.10"
 name = ""