sponsorship: allow admins to temporarily unlock finalized sponsorship…

…s for editing (#2249)

sponsors/admin.py

@@ -489,7 +489,7 @@ def get_readonly_fields(self, request, obj):
             "get_custom_benefits_removed_by_user",
         ]
 
-        if obj and obj.status != Sponsorship.APPLIED:
+        if obj and not obj.open_for_editing:
             extra = ["start_date", "end_date", "package", "level_name", "sponsorship_fee"]
             readonly_fields.extend(extra)
 
@@ -554,6 +554,16 @@ def get_urls(self):
                 self.admin_site.admin_view(self.list_uploaded_assets_view),
                 name=f"{base_name}_list_uploaded_assets",
             ),
+            path(
+                "<int:pk>/unlock",
+                self.admin_site.admin_view(self.unlock_view),
+                name=f"{base_name}_unlock",
+            ),
+            path(
+                "<int:pk>/lock",
+                self.admin_site.admin_view(self.lock_view),
+                name=f"{base_name}_lock",
+            ),
         ]
         return my_urls + urls
 
@@ -677,6 +687,12 @@ def approve_signed_sponsorship_view(self, request, pk):
     def list_uploaded_assets_view(self, request, pk):
         return views_admin.list_uploaded_assets(self, request, pk)
 
+    def unlock_view(self, request, pk):
+        return views_admin.unlock_view(self, request, pk)
+
+    def lock_view(self, request, pk):
+        return views_admin.lock_view(self, request, pk)
+
 
 @admin.register(SponsorshipCurrentYear)
 class SponsorshipCurrentYearAdmin(admin.ModelAdmin):

sponsors/migrations/0094_sponsorship_locked.py

@@ -0,0 +1,32 @@
+# Generated by Django 2.2.24 on 2023-02-16 13:55
+
+from django.db import migrations, models
+
+from sponsors.models.sponsorship import Sponsorship as _Sponsorship
+
+def forwards_func(apps, schema_editor):
+    Sponsorship = apps.get_model('sponsors', 'Sponsorship')
+    db_alias = schema_editor.connection.alias
+
+    for sponsorship in Sponsorship.objects.all():
+        sponsorship.locked = not (sponsorship.status == _Sponsorship.APPLIED)
+        sponsorship.save()
+
+def reverse_func(apps, schema_editor):
+    pass
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sponsors', '0093_auto_20230214_2113'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sponsorship',
+            name='locked',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.RunPython(forwards_func, reverse_func)
+    ]

sponsors/models/contract.py

@@ -248,6 +248,7 @@ def execute(self, commit=True, force=False):
 
         self.status = self.EXECUTED
         self.sponsorship.status = Sponsorship.FINALIZED
+        self.sponsorship.locked = True
         self.sponsorship.finalized_on = timezone.now().date()
         if commit:
             self.sponsorship.save()

sponsors/models/sponsorship.py

@@ -161,6 +161,7 @@ class Sponsorship(models.Model):
     status = models.CharField(
         max_length=20, choices=STATUS_CHOICES, default=APPLIED, db_index=True
     )
+    locked = models.BooleanField(default=False)
 
     start_date = models.DateField(null=True, blank=True)
     end_date = models.DateField(null=True, blank=True)
@@ -211,6 +212,12 @@ def __str__(self):
             repr += f" [{start} - {end}]"
         return repr
 
+    def save(self, *args, **kwargs):
+        if "locked" not in kwargs.get("update_fields", []):
+            if self.status != self.APPLIED:
+                self.locked = True
+        return super().save(*args, **kwargs)
+
     @classmethod
     @transaction.atomic
     def new(cls, sponsor, benefits, package=None, submited_by=None):
@@ -287,6 +294,7 @@ def reject(self):
             msg = f"Can't reject a {self.get_status_display()} sponsorship."
             raise InvalidStatusException(msg)
         self.status = self.REJECTED
+        self.locked = True
         self.rejected_on = timezone.now().date()
 
     def approve(self, start_date, end_date):
@@ -297,6 +305,7 @@ def approve(self, start_date, end_date):
             msg = f"Start date greater or equal than end date"
             raise SponsorshipInvalidDateRangeException(msg)
         self.status = self.APPROVED
+        self.locked = True
         self.start_date = start_date
         self.end_date = end_date
         self.approved_on = timezone.now().date()
@@ -320,6 +329,10 @@ def rollback_to_editing(self):
         self.approved_on = None
         self.rejected_on = None
 
+    @property
+    def unlocked(self):
+        return not self.locked
+
     @property
     def verified_emails(self):
         emails = [self.submited_by.email]
@@ -353,7 +366,7 @@ def added_benefits(self):
 
     @property
     def open_for_editing(self):
-        return self.status == self.APPLIED
+        return (self.status == self.APPLIED) or (self.unlocked)
 
     @property
     def next_status(self):

sponsors/views_admin.py

@@ -182,6 +182,44 @@ def rollback_to_editing_view(ModelAdmin, request, pk):
     )
 
 
+def unlock_view(ModelAdmin, request, pk):
+    sponsorship = get_object_or_404(ModelAdmin.get_queryset(request), pk=pk)
+
+    if request.method.upper() == "POST" and request.POST.get("confirm") == "yes":
+        try:
+            sponsorship.locked = False
+            sponsorship.save(update_fields=['locked'])
+            ModelAdmin.message_user(
+                request, "Sponsorship is now unlocked!", messages.SUCCESS
+            )
+        except InvalidStatusException as e:
+            ModelAdmin.message_user(request, str(e), messages.ERROR)
+
+        redirect_url = reverse(
+            "admin:sponsors_sponsorship_change", args=[sponsorship.pk]
+        )
+        return redirect(redirect_url)
+
+    context = {"sponsorship": sponsorship}
+    return render(
+        request,
+        "sponsors/admin/unlock.html",
+        context=context,
+    )
+
+
+def lock_view(ModelAdmin, request, pk):
+    sponsorship = get_object_or_404(ModelAdmin.get_queryset(request), pk=pk)
+
+    sponsorship.locked = True
+    sponsorship.save()
+
+    redirect_url = reverse(
+        "admin:sponsors_sponsorship_change", args=[sponsorship.pk]
+    )
+    return redirect(redirect_url)
+
+
 def execute_contract_view(ModelAdmin, request, pk):
     contract = get_object_or_404(ModelAdmin.get_queryset(request), pk=pk)
 

templates/sponsors/admin/sponsorship_change_form.html

@@ -1,5 +1,5 @@
 {% extends "admin/change_form.html" %}
-{% load i18n admin_urls %}
+{% load i18n admin_urls admin_modify %}
 
 {% block object-tools-items %}
   {% with original as sp %}
@@ -39,6 +39,18 @@
       <a href="{% url 'admin:sponsors_sponsorship_list_uploaded_assets' sp.pk %}">Uploaded Assets</a>
     </li>
 
+    {% if sp.unlocked and sp.status != sp.APPLIED %}
+    <li>
+        <a href="{% url 'admin:sponsors_sponsorship_lock' sp.pk %}" style="background: #70bf2b">Lock</a>
+    </li>
+    {% endif %}
+
+    {% if sp.locked and sp.status == sp.FINALIZED  %}
+    <li>
+      <a href="{% url 'admin:sponsors_sponsorship_unlock' sp.pk %}">Unlock</a>
+    </li>
+    {% endif %}
+
   {% endwith %}
 
   {{ block.super }}

templates/sponsors/admin/unlock.html

@@ -0,0 +1,35 @@
+{% extends 'admin/base_site.html' %}
+{% load i18n static sponsors %}
+
+{% block extrastyle %}{{ block.super }}<link rel="stylesheet" type="text/css" href="{% static "admin/css/forms.css" %}">{% endblock %}
+
+{% block title %}Unlock Finalized Sponsorship {{ sponsorship }} | python.org{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+  <a href="{% url 'admin:index' %}">{% trans 'Home' %}</a> &gt
+  <a href="{% url 'admin:app_list' app_label='sponsors' %}">{% trans 'Sponsors' %}</a> &gt
+  <a href="{% url 'admin:sponsors_sponsorship_changelist' %}">{% trans 'Sponsorship' %}</a> &gt
+  <a href="{% url 'admin:sponsors_sponsorship_change' sponsorship.pk %}">{{ sponsorship }}</a> &gt
+  {% trans 'Unlock Finalized Sponsorship' %}
+</div>
+{% endblock %}
+
+{% block content %}
+<h1>Unlock Finalized Sponsorship</h1>
+<p>Please review the sponsorship application and click in the Unlock button if you want to proceed.</p>
+<div id="content-main">
+<form action="" method="post" id="new_psf_board_meeting_form">
+{% csrf_token %}
+
+<pre>{% full_sponsorship sponsorship display_fee=True %}</pre>
+
+<input name="confirm" value="yes" style="display:none">
+
+<div class="submit-row">
+    <input type="submit" value="Unlock" class="default">
+</div>
+
+</form>
+<div>
+</div>{% endblock %}