www.employees_views: allow to show old approvals

itou/templates/approvals/includes/list_card.html

@@ -57,7 +57,7 @@ <h3>{{ approval.user.get_full_name }}</h3>
     <div class="c-box--results__footer">
 
         <div class="d-flex justify-content-md-end">
-            <a href="{% url 'employees:detail' public_id=approval.user.public_id %}?back_url={{ request.get_full_path|urlencode }}"
+            <a href="{% url 'employees:detail' public_id=approval.user.public_id %}?approval={{ approval.pk }}&back_url={{ request.get_full_path|urlencode }}"
                class="btn btn-outline-primary btn-block w-100 w-md-auto"
                {% matomo_event "salaries" "clic" "details-salarie" %}
                aria-label="Voir les informations de {{ approval.user.get_full_name }}">Voir les informations</a>

itou/www/employees_views/views.py

@@ -1,3 +1,4 @@
+import contextlib
 import datetime
 import logging
 import urllib.parse
@@ -10,6 +11,7 @@
 from django.views.generic import DetailView
 
 from itou.approvals.models import (
+    Approval,
     ProlongationRequest,
 )
 from itou.job_applications.enums import JobApplicationState
@@ -58,15 +60,19 @@ def get_queryset(self):
             )
         )
 
-    def get_job_application(self, employee):
+    def get_job_application(self, employee, approval):
+        if approval:
+            approval_filter = {"approval": approval}
+        else:
+            # To be consistent with previous ApprovalDetailView
+            # an approval is needed
+            approval_filter = {"approval__isnull": False}
         return (
             JobApplication.objects.filter(
                 job_seeker=employee,
                 state=JobApplicationState.ACCEPTED,
                 to_company=self.siae,
-                # To be consistent with previous ApprovalDetailView
-                # an approval is needed
-                approval__isnull=False,
+                **approval_filter,
             )
             .select_related(
                 "approval__user__jobseeker_profile",
@@ -92,13 +98,16 @@ def get_job_application(self, employee):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context["siae"] = self.siae
-        job_application = self.get_job_application(self.object)
-        if job_application:
-            approval = job_application.approval
-        else:
-            # This shouldn't be possible except if the job application has been deleted
-            # in this case, use the last approval
-            approval = self.object.approvals.order_by("-end_at").first()
+        approval = None
+        if approval_pk := self.request.GET.get("approval"):
+            with contextlib.suppress(ValueError):  # Ignore invalid approval parameter value
+                approval = Approval.objects.filter(user=self.object, pk=int(approval_pk)).first()
+        job_application = self.get_job_application(self.object, approval)
+        if approval is None:
+            if job_application:
+                approval = job_application.approval
+            else:
+                approval = self.object.approvals.order_by("-end_at").first()
 
         context["can_view_personal_information"] = True  # SIAE members have access to personal info
         context["can_edit_personal_information"] = self.request.user.can_edit_personal_information(self.object)

tests/www/approvals_views/test_list.py

@@ -42,7 +42,7 @@ def test_list_view(self, client):
         assert_previous_step(response, reverse("dashboard:index"))
 
         employee_base_url = reverse("employees:detail", kwargs={"public_id": approval.user.public_id})
-        assertContains(response, f"{employee_base_url}?back_url={urlencode(url)}")
+        assertContains(response, f"{employee_base_url}?approval={approval.pk}&back_url={urlencode(url)}")
         assertContains(response, self.TABS_CLASS)
 
     def test_multiple_approvals_for_the_same_user(self, client):

tests/www/employees_views/test_detail.py

@@ -131,10 +131,24 @@ def test_multiple_approvals(self, client):
         new_approval = JobApplicationFactory(
             job_seeker=expired_approval.user, to_company=company, with_approval=True
         ).approval
+        new_number = format_filters.format_approval_number(new_approval.number)
+        expired_number = format_filters.format_approval_number(expired_approval.number)
         client.force_login(employer)
         url = reverse("employees:detail", kwargs={"public_id": new_approval.user.public_id})
         response = client.get(url)
-        assertContains(response, format_filters.format_approval_number(new_approval.number))
+        assertContains(response, new_number)
+        assertNotContains(response, expired_number)
+
+        # Allow to show previous approvals
+        response = client.get(f"{url}?approval={expired_approval.pk}")
+        assertNotContains(response, new_number)
+        assertContains(response, expired_number)
+
+        # Handle invalid values
+        for invalid_value in [0, "not_a_number"]:
+            response = client.get(f"{url}?approval={invalid_value}")
+            assertContains(response, new_number)
+            assertNotContains(response, expired_number)
 
     @pytest.mark.ignore_unknown_variable_template_error("with_matomo_event")
     @freeze_time("2023-04-26")