Include date hierarchy in quick removal links (#218)

* Include date hierarchy in quick removal links

* use date field name in removal link

* reduce diff

* tweak some details

* start adding tests

* use mock without spec :(

it's not easy to instantiate ChangeList, and speccing from
the class means that many attributes are not recognized

* more tests

* more tests

* more checks for generated URLs

* better tags and tests

* compat for tox 4

admin_interface/templates/admin/change_list.html

@@ -6,9 +6,11 @@
         {% if cl.has_filters %}
           <div id="changelist-filter">
             <h2>{% translate 'Filter' %}</h2>
-            {% if cl.has_active_filters %}
+            {% get_admin_interface_active_date_hierarchy cl as active_date_hierarchy %}
             {% get_admin_interface_setting "list_filter_removal_links" as list_filter_removal_links %}
+            {% if cl.has_active_filters %}
              {% if list_filter_removal_links %}
+             {% if active_date_hierarchy %}{% admin_interface_date_hierarchy_removal_link cl active_date_hierarchy %}{% endif %}
              {% for spec in cl.filter_specs %}{% admin_interface_filter_removal_link cl spec %}{% endfor %}
              <h3 id="changelist-filter-clear">
                <a href="{{ cl.clear_all_filters_qs }}">{% translate "Clear all filters" %} &#10006;</a>
@@ -19,6 +21,11 @@
                <a href="{{ cl.clear_all_filters_qs }}">&#10006; {% translate "Clear all filters" %}</a>
              </h3>
              {% endif %}
+            {% elif active_date_hierarchy and list_filter_removal_links %}
+             {% admin_interface_date_hierarchy_removal_link cl active_date_hierarchy %}
+             <h3 id="changelist-filter-clear">
+               <a href="{{ cl.clear_all_filters_qs }}">{% translate "Clear all filters" %} &#10006;</a>
+             </h3>
             {% endif %}
             {% for spec in cl.filter_specs %}{% admin_list_filter cl spec %}{% endfor %}
           </div>

admin_interface/templates/admin_interface/date_hierarchy_removal_link.html

@@ -0,0 +1,3 @@
+<div class="changelist-filter-clear"><a href="{{ removal_link }}">
+  {{ date_label|capfirst }}: <span>{{ date_value|date:date_format|capfirst }}</span>&nbsp;&#10006;
+</a></div>

admin_interface/templates/admin_interface/list_filter_removal_link.html

@@ -1,6 +1,5 @@
-{% load admin_interface_tags %}
 {% if spec.lookup_val or spec.value %}
-  <div class="changelist-filter-clear"><a href="{% admin_interface_clear_filter_qs cl spec %}">
-    {{ title|capfirst }}: <span>{{ selected_value }}</span> &#10006;
+  <div class="changelist-filter-clear"><a href="{{ removal_link }}">
+    {{ title|capfirst }}: <span>{{ selected_value }}</span>&nbsp;&#10006;
   </a></div>
 {% endif %}

admin_interface/templatetags/admin_interface_tags.py

@@ -1,9 +1,9 @@
+import datetime
 import hashlib
 import re
 
 from django import template
 from django.conf import settings
-from django.template.loader import get_template
 from django.urls import NoReverseMatch, reverse
 from django.utils import translation
 
@@ -93,14 +93,23 @@ def get_admin_interface_nocache():
     return hash_string(__version__)
 
 
-@register.simple_tag()
-def admin_interface_clear_filter_qs(changelist, list_filter):
-    return changelist.get_query_string(remove=list_filter.expected_parameters())
+@register.simple_tag(takes_context=False)
+def get_admin_interface_active_date_hierarchy(changelist):
+    date_field = changelist.date_hierarchy
+    if not date_field:
+        return
+
+    params = changelist.get_filters_params()
+    # link to clear all filters contains 'date_field__gte',
+    # only filters with specific year are really active
+    if f"{date_field}__year" not in params:
+        return
+
+    return date_field
 
 
-@register.simple_tag()
+@register.inclusion_tag("admin_interface/list_filter_removal_link.html")
 def admin_interface_filter_removal_link(changelist, list_filter):
-    template = get_template("admin_interface/list_filter_removal_link.html")
     title = list_filter.title
     choices = [
         choice for choice in list_filter.choices(changelist) if choice.get("selected")
@@ -110,14 +119,46 @@ def admin_interface_filter_removal_link(changelist, list_filter):
     except (IndexError, KeyError):
         value = "..."
 
-    return template.render(
-        {
+    removal_link = changelist.get_query_string(remove=list_filter.expected_parameters())
+
+    return {
         "cl": changelist,
         "spec": list_filter,
         "selected_value": value,
         "title": title,
+        "removal_link": removal_link,
+    }
+
+
+@register.inclusion_tag("admin_interface/date_hierarchy_removal_link.html")
+def admin_interface_date_hierarchy_removal_link(changelist, date_field):
+    date_label = changelist.model._meta.get_field(date_field).verbose_name
+
+    params = changelist.get_filters_params()
+    date_params = [p for p in params if p.startswith(date_field)]
+
+    date_args = [int(params[f"{date_field}__year"]), 1, 1]
+    date_format = "Y"
+
+    if f"{date_field}__month" in params:
+        date_args[1] = int(params[f"{date_field}__month"])
+        date_format = "YEAR_MONTH_FORMAT"
+
+    if f"{date_field}__day" in params:
+        date_args[2] = int(params[f"{date_field}__day"])
+        date_format = "DATE_FORMAT"
+
+    date_value = datetime.date(*date_args)
+
+    removal_link = changelist.get_query_string(remove=date_params)
+
+    return {
+        "cl": changelist,
+        "date_label": date_label,
+        "date_value": date_value,
+        "date_format": date_format,
+        "removal_link": removal_link,
     }
-    )
 
 
 @register.simple_tag()

tests/test_templatetags.py

@@ -1,3 +1,7 @@
+from datetime import date
+from unittest.mock import Mock
+
+from django.contrib.admin.views.main import ChangeList
 from django.template import Context, Template
 from django.test import TestCase, override_settings
 from django.test.client import RequestFactory
@@ -137,6 +141,10 @@ class AdminInterfaceTemplateTagsTestCase(TestCase):
         )
         self.assertEqual(rendered, "Django")
 
+    def test_get_setting(self):
+        title = templatetags.get_admin_interface_setting("title")
+        self.assertEqual(title, "Django administration")
+
     def test_get_version(self):
         version = templatetags.get_admin_interface_version()
         self.assertEqual(version, __version__)
@@ -164,3 +172,121 @@ class AdminInterfaceTemplateTagsTestCase(TestCase):
             "admin/edit_inline/stacked.html"
         )
         self.assertEqual(headless_template, "admin/edit_inline/headerless_stacked.html")
+
+    def test_get_active_date_hierarchy_none(self):
+        changelist = Mock()
+        changelist.date_hierarchy = None
+
+        date_field = templatetags.get_admin_interface_active_date_hierarchy(changelist)
+
+        self.assertIsNone(date_field)
+
+    def test_get_active_date_hierarchy_inactive(self):
+        changelist = Mock()
+        changelist.date_hierarchy = "last_login"
+        changelist.get_filters_params.return_value = {}
+
+        date_field = templatetags.get_admin_interface_active_date_hierarchy(changelist)
+
+        self.assertIsNone(date_field)
+
+    def test_get_active_date_hierarchy_active(self):
+        changelist = Mock()
+        changelist.date_hierarchy = "last_login"
+        params = {"some_field": 2, "last_login__year": 2022}
+        changelist.get_filters_params.return_value = params
+
+        date_field = templatetags.get_admin_interface_active_date_hierarchy(changelist)
+
+        self.assertEqual(date_field, "last_login")
+
+    def _add_changelist_methods(self, mock, params):
+        def get_query_string(**kwargs):
+            return ChangeList.get_query_string(mock, **kwargs)
+
+        def get_filters_params(**kwargs):
+            return ChangeList.get_filters_params(mock, **kwargs)
+
+        mock.get_query_string = get_query_string
+        mock.get_filters_params = get_filters_params
+        mock.params = params
+
+    def test_filter_removal_link(self):
+        changelist = Mock()
+        params = {"shape": "pointy", "size": "small"}
+        self._add_changelist_methods(changelist, params)
+        list_filter = Mock()
+        list_filter.title = "Shape filter"
+        choices = [{"display": "Round"}, {"display": "Pointy", "selected": True}]
+        list_filter.choices.return_value = choices
+        list_filter.expected_parameters.return_value = ("shape",)
+
+        ctx = templatetags.admin_interface_filter_removal_link(changelist, list_filter)
+
+        self.assertEqual(ctx["removal_link"], "?size=small")
+        self.assertEqual(ctx["title"], "Shape filter")
+        self.assertEqual(ctx["selected_value"], "Pointy")
+
+    def test_filter_removal_link_no_display(self):
+        changelist = Mock()
+        params = {"shape": "pointy", "size": "small"}
+        self._add_changelist_methods(changelist, params)
+        list_filter = Mock()
+        list_filter.title = "Shape filter"
+        choices = [{"other": "Round"}, {"other": "Pointy", "selected": True}]
+        list_filter.choices.return_value = choices
+        list_filter.expected_parameters.return_value = ("shape",)
+
+        ctx = templatetags.admin_interface_filter_removal_link(changelist, list_filter)
+
+        self.assertEqual(ctx["removal_link"], "?size=small")
+        self.assertEqual(ctx["title"], "Shape filter")
+        self.assertEqual(ctx["selected_value"], "...")
+
+    def test_date_hierarchy_removal_link_year(self):
+        changelist = Mock()
+        params = {"shape": "pointy", "last_login__year": 2022}
+        self._add_changelist_methods(changelist, params)
+        changelist.model._meta.get_field.return_value.verbose_name = "last login"
+
+        ctx = templatetags.admin_interface_date_hierarchy_removal_link(
+            changelist, "last_login"
+        )
+
+        self.assertEqual(ctx["removal_link"], "?shape=pointy")
+        self.assertEqual(ctx["date_label"], "last login")
+        self.assertEqual(ctx["date_value"], date(2022, 1, 1))
+
+    def test_date_hierarchy_removal_link_year_month(self):
+        changelist = Mock()
+        changelist.model._meta.get_field.return_value.verbose_name = "last login"
+        params = {"last_login__year": 2022, "last_login__month": "11"}
+        self._add_changelist_methods(changelist, params)
+
+        ctx = templatetags.admin_interface_date_hierarchy_removal_link(
+            changelist, "last_login"
+        )
+
+        self.assertEqual(ctx["removal_link"], "?")
+        self.assertEqual(ctx["date_label"], "last login")
+        self.assertEqual(ctx["date_value"], date(2022, 11, 1))
+
+    def test_date_hierarchy_removal_link_year_month_day(self):
+        changelist = Mock()
+        changelist.model._meta.get_field.return_value.verbose_name = "last login"
+        params = {
+            "last_login__year": 2022,
+            "last_login__month": "11",
+            "last_login__day": "30",
+            "shape": "round",
+            "size": "small",
+        }
+        self._add_changelist_methods(changelist, params)
+
+        ctx = templatetags.admin_interface_date_hierarchy_removal_link(
+            changelist, "last_login"
+        )
+
+        self.assertEqual(ctx["removal_link"], "?shape=round&size=small")
+        self.assertEqual(ctx["date_label"], "last login")
+        self.assertEqual(ctx["date_value"], date(2022, 11, 30))

tox.ini

@@ -13,7 +13,7 @@ python =
     3.11: py311
 
 [testenv]
-passenv = CI GITHUB_WORKFLOW
+passenv = CI,GITHUB_WORKFLOW
 deps =
     dj22: Django == 2.2.*
     dj30: Django == 3.0.*