forked from mirrors/bookwyrm
6bc86f189f
Send a notification to all group members when group name, description, or privacy are changed.
311 lines
9.6 KiB
Python
311 lines
9.6 KiB
Python
"""group views"""
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from django.apps import apps
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from django.contrib.auth.decorators import login_required
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from django.db import IntegrityError
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from django.core.paginator import Paginator
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from django.http import HttpResponseBadRequest
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from django.shortcuts import get_object_or_404, redirect
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from django.template.response import TemplateResponse
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from django.utils.decorators import method_decorator
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from django.views import View
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from django.views.decorators.http import require_POST
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from django.contrib.postgres.search import TrigramSimilarity
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from django.db.models.functions import Greatest
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from bookwyrm import forms, models
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from bookwyrm.suggested_users import suggested_users
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from .helpers import get_user_from_username
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# pylint: disable=no-self-use
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class Group(View):
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"""group page"""
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def get(self, request, group_id):
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"""display a group"""
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group = get_object_or_404(models.Group, id=group_id)
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group.raise_visible_to_user(request.user)
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lists = (
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models.List.privacy_filter(request.user)
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.filter(group=group)
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.order_by("-updated_date")
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)
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data = {
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"group": group,
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"lists": lists,
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"group_form": forms.GroupForm(instance=group),
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"path": "/group",
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}
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return TemplateResponse(request, "groups/group.html", data)
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@method_decorator(login_required, name="dispatch")
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def post(self, request, group_id):
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"""edit a group"""
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user_group = get_object_or_404(models.Group, id=group_id)
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form = forms.GroupForm(request.POST, instance=user_group)
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if not form.is_valid():
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return redirect("group", user_group.id)
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user_group = form.save()
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# let the other members know something about the group changed
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memberships = models.GroupMember.objects.filter(group=user_group)
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model = apps.get_model("bookwyrm.Notification", require_ready=True)
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for field in form.changed_data:
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notification_type = (
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"GROUP_PRIVACY"
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if field == "privacy"
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else "GROUP_NAME"
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if field == "name"
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else "GROUP_DESCRIPTION"
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if field == "description"
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else None
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)
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if notification_type:
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for membership in memberships:
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member = membership.user
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if member != request.user:
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model.objects.create(
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user=member,
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related_user=request.user,
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related_group=user_group,
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notification_type=notification_type,
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)
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return redirect("group", user_group.id)
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@method_decorator(login_required, name="dispatch")
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class UserGroups(View):
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"""a user's groups page"""
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def get(self, request, username):
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"""display a group"""
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user = get_user_from_username(request.user, username)
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groups = (
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models.Group.privacy_filter(request.user)
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.filter(memberships__user=user)
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.order_by("-updated_date")
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)
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paginated = Paginator(groups, 12)
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data = {
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"groups": paginated.get_page(request.GET.get("page")),
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"is_self": request.user.id == user.id,
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"user": user,
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"group_form": forms.GroupForm(),
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"path": user.local_path + "/group",
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}
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return TemplateResponse(request, "user/groups.html", data)
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@method_decorator(login_required, name="dispatch")
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# pylint: disable=unused-argument
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def post(self, request, username):
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"""create a user group"""
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form = forms.GroupForm(request.POST)
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if not form.is_valid():
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return redirect(request.user.local_path + "/groups")
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group = form.save()
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# add the creator as a group member
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models.GroupMember.objects.create(group=group, user=request.user)
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return redirect("group", group.id)
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@method_decorator(login_required, name="dispatch")
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class FindUsers(View):
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"""find friends to add to your group"""
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# this is mostly borrowed from the Get Started friend finder
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def get(self, request, group_id):
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"""basic profile info"""
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user_query = request.GET.get("user_query")
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group = get_object_or_404(models.Group, id=group_id)
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if not group:
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return HttpResponseBadRequest()
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if not group.user == request.user:
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return HttpResponseBadRequest()
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user_results = (
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models.User.viewer_aware_objects(request.user)
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.exclude(
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memberships__in=group.memberships.all()
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) # don't suggest users who are already members
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.annotate(
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similarity=Greatest(
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TrigramSimilarity("username", user_query),
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TrigramSimilarity("localname", user_query),
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)
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)
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.filter(similarity__gt=0.5, local=True)
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.order_by("-similarity")[:5]
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)
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data = {"no_results": not user_results}
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if user_results.count() < 5:
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user_results = list(user_results) + suggested_users.get_suggestions(
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request.user, local=True
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)
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data = {
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"suggested_users": user_results,
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"group": group,
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"group_form": forms.GroupForm(instance=group),
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"user_query": user_query,
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"requestor_is_manager": request.user == group.user,
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}
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return TemplateResponse(request, "groups/find_users.html", data)
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@require_POST
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@login_required
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def delete_group(request, group_id):
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"""delete a group"""
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group = get_object_or_404(models.Group, id=group_id)
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# only the owner can delete a group
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group.raise_not_deletable(request.user)
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# deal with any group lists
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models.List.objects.filter(group=group).update(curation="closed", group=None)
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group.delete()
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return redirect(request.user.local_path + "/groups")
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@require_POST
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@login_required
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def invite_member(request):
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"""invite a member to the group"""
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group = get_object_or_404(models.Group, id=request.POST.get("group"))
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if not group:
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return HttpResponseBadRequest()
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user = get_user_from_username(request.user, request.POST["user"])
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if not user:
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return HttpResponseBadRequest()
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if not group.user == request.user:
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return HttpResponseBadRequest()
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try:
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models.GroupMemberInvitation.objects.create(user=user, group=group)
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except IntegrityError:
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pass
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return redirect(user.local_path)
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@require_POST
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@login_required
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def remove_member(request):
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"""remove a member from the group"""
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group = get_object_or_404(models.Group, id=request.POST.get("group"))
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if not group:
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return HttpResponseBadRequest()
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user = get_user_from_username(request.user, request.POST["user"])
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if not user:
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return HttpResponseBadRequest()
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# you can't be removed from your own group
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if request.POST["user"] == group.user:
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return HttpResponseBadRequest()
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is_member = models.GroupMember.objects.filter(group=group, user=user).exists()
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is_invited = models.GroupMemberInvitation.objects.filter(
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group=group, user=user
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).exists()
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if is_invited:
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try:
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invitation = models.GroupMemberInvitation.objects.get(
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user=user, group=group
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)
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invitation.reject()
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except IntegrityError:
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pass
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if is_member:
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try:
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models.List.remove_from_group(group.user, user)
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models.GroupMember.remove(group.user, user)
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except IntegrityError:
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pass
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memberships = models.GroupMember.objects.filter(group=group)
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model = apps.get_model("bookwyrm.Notification", require_ready=True)
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notification_type = "LEAVE" if user == request.user else "REMOVE"
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# let the other members know about it
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for membership in memberships:
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member = membership.user
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if member != request.user:
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model.objects.create(
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user=member,
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related_user=user,
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related_group=group,
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notification_type=notification_type,
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)
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# let the user (now ex-member) know as well, if they were removed
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if notification_type == "REMOVE":
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model.objects.create(
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user=user,
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related_group=group,
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notification_type=notification_type,
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)
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return redirect(group.local_path)
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@require_POST
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@login_required
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def accept_membership(request):
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"""accept an invitation to join a group"""
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group = models.Group.objects.get(id=request.POST["group"])
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if not group:
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return HttpResponseBadRequest()
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invite = models.GroupMemberInvitation.objects.get(group=group, user=request.user)
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if not invite:
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return HttpResponseBadRequest()
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try:
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invite.accept()
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except IntegrityError:
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pass
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return redirect(group.local_path)
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@require_POST
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@login_required
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def reject_membership(request):
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"""reject an invitation to join a group"""
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group = models.Group.objects.get(id=request.POST["group"])
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if not group:
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return HttpResponseBadRequest()
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invite = models.GroupMemberInvitation.objects.get(group=group, user=request.user)
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if not invite:
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return HttpResponseBadRequest()
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try:
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invite.reject()
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except IntegrityError:
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pass
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return redirect(request.user.local_path)
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