feat: implement individual students stickying

Closes #1719

docs/sourcedoc/intranet.apps.eighth.forms.rst

@@ -20,6 +20,14 @@ intranet.apps.eighth.forms.activities module
    :undoc-members:
    :show-inheritance:
 
+intranet.apps.eighth.forms.fields module
+----------------------------------------
+
+.. automodule:: intranet.apps.eighth.forms.fields
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 Module contents
 ---------------
 

intranet/apps/dashboard/views.py

@@ -72,7 +72,7 @@ def gen_schedule(user, num_blocks: int = 6, surrounding_blocks: Iterable[EighthB
         if current_sched_act:
             current_signup = current_sched_act.title_with_flags
             current_signup_cancelled = current_sched_act.cancelled
-            current_signup_sticky = current_sched_act.activity.sticky
+            current_signup_sticky = current_sched_act.is_user_stickied(user)
             rooms = current_sched_act.get_true_rooms()
         else:
             current_signup = None

intranet/apps/eighth/forms/admin/scheduling.py

@@ -1,6 +1,8 @@
 from django import forms
+from django.contrib.auth import get_user_model
 
 from ...models import EighthScheduledActivity
+from .. import fields
 
 
 class ScheduledActivityForm(forms.ModelForm):
@@ -20,6 +22,12 @@ def __init__(self, *args, **kwargs):
         for fieldname in ["block", "activity"]:
             self.fields[fieldname].widget = forms.HiddenInput()
 
+        self.fields["sticky_students"] = fields.UserMultipleChoiceField(
+            queryset=self.initial.get("sticky_students", get_user_model().objects.none()),
+            required=False,
+            widget=forms.SelectMultiple(attrs={"class": "remote-source remote-sticky-students"}),
+        )
+
     def validate_unique(self):
         # We'll handle this ourselves by updating if already exists
         pass

intranet/apps/eighth/forms/fields.py

@@ -0,0 +1,26 @@
+from django import forms
+from django.contrib.auth import get_user_model
+from django.core.validators import ValidationError
+
+
+class UserMultipleChoiceField(forms.ModelMultipleChoiceField):
+    """Choose any user from the database."""
+
+    def clean(self, value):
+        if not value and not self.required:
+            return self.queryset.none()
+        elif self.required:
+            raise ValidationError(self.error_messages["required"], code="required")
+
+        try:
+            users = get_user_model().objects.filter(id__in=value)
+            if len(users) != len(value):
+                raise ValidationError(self.error_messages["invalid_choice"], code="invalid_choice")
+        except (ValueError, TypeError) as e:
+            raise ValidationError(self.error_messages["invalid_choice"], code="invalid_choice") from e
+        return users
+
+    def label_from_instance(self, obj):
+        if isinstance(obj, get_user_model()):
+            return f"{obj.get_full_name()} ({obj.username})"
+        return super().label_from_instance(obj)

intranet/apps/eighth/migrations/0071_eighthscheduledactivity_sticky_students.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.2.25 on 2024-10-12 21:12
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('eighth', '0070_eighthactivity_club_sponsors'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eighthscheduledactivity',
+            name='sticky_students',
+            field=models.ManyToManyField(blank=True, related_name='sticky_scheduledactivity_set', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

intranet/apps/eighth/models.py

@@ -2,11 +2,13 @@
 import datetime
 import logging
 import string
+from collections.abc import Sequence
 from typing import Collection, Iterable, List, Optional, Union
 
 from cacheops import invalidate_obj
 from django.conf import settings
 from django.contrib.auth import get_user_model
+from django.contrib.auth.models import AbstractBaseUser
 from django.contrib.auth.models import Group as DjangoGroup
 from django.core import validators
 from django.core.cache import cache
@@ -807,6 +809,11 @@ class EighthScheduledActivity(AbstractBaseEighthModel):
     activity = models.ForeignKey(EighthActivity, on_delete=models.CASCADE)
     members = models.ManyToManyField(settings.AUTH_USER_MODEL, through="EighthSignup", related_name="eighthscheduledactivity_set")
     waitlist = models.ManyToManyField(settings.AUTH_USER_MODEL, through="EighthWaitlist", related_name="%(class)s_scheduledactivity_set")
+    sticky_students = models.ManyToManyField(
+        settings.AUTH_USER_MODEL,
+        related_name="sticky_scheduledactivity_set",
+        blank=True,
+    )
 
     admin_comments = models.CharField(max_length=1000, blank=True)
     title = models.CharField(max_length=1000, blank=True)
@@ -862,6 +869,24 @@ def title_with_flags(self) -> str:
             name_with_flags = "Special: " + name_with_flags
         return name_with_flags
 
+    def is_user_stickied(self, user: AbstractBaseUser) -> bool:
+        """Check if the given user is stickied to this activity.
+
+        Args:
+            user: The user to check for stickiness.
+        """
+        return self.is_activity_sticky() or self.sticky_students.filter(pk=user.pk).exists()
+
+    def is_activity_sticky(self) -> bool:
+        """Check if the scheduled activity or activity is sticky
+
+        .. warning::
+
+            This method does NOT take into account individual user stickies.
+            In 99.9% of cases, you should use :meth:`is_user_stickied` instead.
+        """
+        return self.sticky or self.activity.sticky
+
     def get_true_sponsors(self) -> Union[QuerySet, Collection[EighthSponsor]]:  # pylint: disable=unsubscriptable-object
         """Retrieves the sponsors for the scheduled activity, taking into account activity defaults and
         overrides.
@@ -920,13 +945,6 @@ def get_restricted(self) -> bool:
         """
         return self.restricted or self.activity.restricted
 
-    def get_sticky(self) -> bool:
-        """Gets whether this scheduled activity is sticky.
-        Returns:
-            Whether this scheduled activity is sticky.
-        """
-        return self.sticky or self.activity.sticky
-
     def get_finance(self) -> str:
         """Retrieves the name of this activity's account with the
         finance office, if any.
@@ -1097,10 +1115,50 @@ def notify_waitlist(self, waitlists: Iterable["EighthWaitlist"]):
                 [waitlist.user.primary_email_address],
             )
 
+    def set_sticky_students(self, users: "Sequence[AbstractBaseUser]") -> None:
+        """Sets the given users to the sticky students list for this activity.
+
+        This also sends emails to students.
+
+        Args:
+            users: The users to add to the sticky students list.
+
+        Returns:
+            A tuple of the new stickied students and the unstickied students.
+        """
+        for user in users:
+            signup = EighthSignup.objects.filter(user=user, scheduled_activity__block=self.block).first()
+            if signup is not None:
+                signup.remove_signup(user, force=True)
+            self.add_user(user, force=True)
+
+        old_sticky_students = self.sticky_students.all()
+        self.sticky_students.set(users)
+
+        # note: this will send separate emails to each student for each activity they are stickied in
+        new_stickied_students = [user.notification_email for user in users if user not in old_sticky_students]
+        unstickied_students = [user.notification_email for user in old_sticky_students if user not in users]
+        email_send_task.delay(
+            "eighth/emails/students_stickied.txt",
+            "eighth/emails/students_stickied.html",
+            data={"activity": self},
+            subject="You have been stickied into an activity",
+            emails=new_stickied_students,
+            bcc=True,
+        )
+        email_send_task.delay(
+            "eighth/emails/students_unstickied.txt",
+            "eighth/emails/students_unstickied.html",
+            data={"activity": self},
+            subject="You have been unstickied from an activity",
+            emails=unstickied_students,
+            bcc=True,
+        )
+
     @transaction.atomic  # This MUST be run in a transaction. Do NOT remove this decorator.
     def add_user(
         self,
-        user: "get_user_model()",
+        user: AbstractBaseUser,
         request: Optional[HttpRequest] = None,
         force: bool = False,
         no_after_deadline: bool = False,
@@ -1160,8 +1218,9 @@ def add_user(
             if (
                 EighthSignup.objects.filter(user=user, scheduled_activity__block__in=all_blocks)
                 .filter(Q(scheduled_activity__activity__sticky=True) | Q(scheduled_activity__sticky=True))
-                .filter(Q(scheduled_activity__cancelled=False))
+                .filter(scheduled_activity__cancelled=False)
                 .exists()
+                or user.sticky_scheduledactivity_set.filter(block__in=all_blocks, cancelled=False).exists()
             ):
                 exception.Sticky = True
 
@@ -1223,7 +1282,7 @@ def add_user(
             if self.activity.users_blacklisted.filter(username=user).exists():
                 exception.Blacklisted = True
 
-        if self.get_sticky():
+        if self.is_user_stickied(user):
             EighthWaitlist.objects.filter(user_id=user.id, block_id=self.block.id).delete()
 
         success_message = "Successfully added to waitlist for activity." if waitlist else "Successfully signed up for activity."
@@ -1697,7 +1756,7 @@ def remove_signup(self, user: "get_user_model()" = None, force: bool = False, do
             exception.ActivityDeleted = True
 
         # Check if the user is already stickied into an activity
-        if self.scheduled_activity.activity and self.scheduled_activity.activity.sticky and not self.scheduled_activity.cancelled:
+        if self.scheduled_activity.activity and self.scheduled_activity.is_user_stickied(user) and not self.scheduled_activity.cancelled:
             exception.Sticky = True
 
         if exception.messages() and not force:

intranet/apps/eighth/serializers.py

@@ -112,7 +112,10 @@ def process_scheduled_activity(
         if scheduled_activity.title:
             prefix += " - " + scheduled_activity.title
         middle = " (R)" if restricted_for_user else ""
-        suffix = " (S)" if activity.sticky else ""
+        if user is not None and scheduled_activity.is_user_stickied(user):
+            suffix = " (S)"
+        else:
+            suffix = ""
         suffix += " (BB)" if scheduled_activity.is_both_blocks() else ""
         suffix += " (A)" if activity.administrative else ""
         suffix += " (Deleted)" if activity.deleted else ""
@@ -151,7 +154,8 @@ def process_scheduled_activity(
             "administrative": scheduled_activity.get_administrative(),
             "presign": activity.presign,
             "presign_time": scheduled_activity.is_too_early_to_signup()[1].strftime("%A, %B %-d at %-I:%M %p"),
-            "sticky": scheduled_activity.get_sticky(),
+            "sticky": scheduled_activity.is_activity_sticky(),
+            "user_sticky": scheduled_activity.is_user_stickied(user),
             "finance": "",  # TODO: refactor JS to remove this
             "title": scheduled_activity.title,
             "comments": scheduled_activity.comments,  # TODO: refactor JS to remove this

intranet/apps/eighth/tests/test_signup.py

@@ -200,6 +200,58 @@ def test_signup_restricitons(self):
         self.assertEqual(len(EighthScheduledActivity.objects.get(block=block1.id, activity=act1.id).members.all()), 1)
         self.assertEqual(len(EighthScheduledActivity.objects.get(block=block1.id, activity=act2.id).members.all()), 0)
 
+    def test_user_stickied(self):
+        """Test that stickying an individual user into an activity works."""
+        self.make_admin()
+        user = get_user_model().objects.create(username="user1", graduation_year=get_senior_graduation_year())
+
+        block = self.add_block(date="2024-09-09", block_letter="A")
+        room = self.add_room(name="room1", capacity=1)
+        act = self.add_activity(name="Test Activity 1", restricted=True, users_allowed=[user])
+        act.rooms.add(room)
+
+        schact = EighthScheduledActivity.objects.create(block=block, activity=act, capacity=5)
+        schact.set_sticky_students([user])
+
+        act2 = self.add_activity(name="Test Activity 2")
+        act2.rooms.add(room)
+        schact2 = EighthScheduledActivity.objects.create(block=block, activity=act2, capacity=5)
+
+        # ensure that the user can't sign up to something else
+        with self.assertRaisesMessage(SignupException, "Sticky"):
+            self.verify_signup(user, schact2)
+
+        self.client.post(reverse("eighth_signup"), data={"uid": user.id, "bid": block.id, "aid": act2.id})
+        self.assertFalse(schact2.members.exists())
+
+    def test_set_sticky_students(self):
+        """Test :meth:`~.EighthScheduledActivity.set_sticky_students`."""
+        self.make_admin()
+        user = get_user_model().objects.create(username="user1", graduation_year=get_senior_graduation_year())
+
+        block = self.add_block(date="2024-09-09", block_letter="A")
+        room = self.add_room(name="room1", capacity=1)
+
+        old_act = self.add_activity(name="Test Activity 2")
+        old_act.rooms.add(room)
+        old_schact = EighthScheduledActivity.objects.create(block=block, activity=old_act, capacity=5)
+
+        old_schact.add_user(user)
+
+        act = self.add_activity(name="Test Activity 1", restricted=True, users_allowed=[user])
+        act.rooms.add(room)
+
+        schact = EighthScheduledActivity.objects.create(block=block, activity=act, capacity=5)
+        schact.set_sticky_students([user])
+
+        self.assertEqual(1, EighthSignup.objects.filter(user=user, scheduled_activity=schact).count())
+        self.assertEqual(0, old_schact.members.count())
+
+        # and they shouldn't be able to change back to their old activity
+        self.client.post(reverse("eighth_signup"), data={"uid": user.id, "bid": block.id, "aid": old_act.id})
+        self.assertEqual(0, EighthSignup.objects.filter(user=user, scheduled_activity=old_schact).count())
+        self.assertEqual(0, old_schact.members.count())
+
     def test_eighth_signup_view(self):
         """Tests :func:`~intranet.apps.eighth.views.signup.eighth_signup_view`."""
 

intranet/apps/eighth/urls.py

@@ -67,6 +67,7 @@
     re_path(r"^blocks/delete/(?P<block_id>\d+)$", blocks.delete_block_view, name="eighth_admin_delete_block"),
     # Users
     re_path(r"^users$", users.list_user_view, name="eighth_admin_manage_users"),
+    re_path(r"^users/non-graduated$", users.list_non_graduated_view, name="eighth_admin_manage_non_graduated"),
     re_path(r"^users/delete/(\d+)$", users.delete_user_view, name="eighth_admin_manage_users"),
     # Scheduling
     re_path(r"^scheduling/schedule$", scheduling.schedule_activity_view, name="eighth_admin_schedule_activity"),

intranet/apps/eighth/views/admin/scheduling.py

@@ -147,7 +147,10 @@ def schedule_activity_view(request):
                             messages.error(request, f"Did not unschedule {name} because there is {count} student signed up.")
                         else:
                             messages.error(request, f"Did not unschedule {name} because there are {count} students signed up.")
-                    instance.save()
+
+                    if instance:
+                        instance.save()
+                        instance.set_sticky_students(form.cleaned_data["sticky_students"])
 
             messages.success(request, "Successfully updated schedule.")
 
@@ -201,7 +204,10 @@ def schedule_activity_view(request):
         initial_formset_data = []
 
         sched_act_queryset = (
-            EighthScheduledActivity.objects.filter(activity=activity).select_related("block").prefetch_related("rooms", "sponsors", "members")
+            EighthScheduledActivity.objects.filter(activity=activity)
+            .select_related("block")
+            .prefetch_related("rooms", "sponsors", "members", "sticky_students")
+            .all()
         )
         all_sched_acts = {sa.block.id: sa for sa in sched_act_queryset}
 
@@ -227,6 +233,7 @@ def schedule_activity_view(request):
                         "admin_comments": sched_act.admin_comments,
                         "scheduled": not sched_act.cancelled,
                         "cancelled": sched_act.cancelled,
+                        "sticky_students": sched_act.sticky_students.all(),
                     }
                 )
             except KeyError: