moviewyrm/bookwyrm/views/follow.py

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""" views for actions you can take in the application """
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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.http import HttpResponseBadRequest
from django.shortcuts import redirect
from django.views.decorators.http import require_POST
from bookwyrm import models
from .helpers import get_user_from_username
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@login_required
@require_POST
def follow(request):
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""" follow another user, here or abroad """
username = request.POST["user"]
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try:
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to_follow = get_user_from_username(request.user, username)
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except models.User.DoesNotExist:
return HttpResponseBadRequest()
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try:
models.UserFollowRequest.objects.create(
user_subject=request.user,
user_object=to_follow,
)
except IntegrityError:
pass
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return redirect(to_follow.local_path)
@login_required
@require_POST
def unfollow(request):
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""" unfollow a user """
username = request.POST["user"]
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try:
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to_unfollow = get_user_from_username(request.user, username)
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except models.User.DoesNotExist:
return HttpResponseBadRequest()
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try:
models.UserFollows.objects.get(
user_subject=request.user, user_object=to_unfollow
).delete()
except models.UserFollows.DoesNotExist:
pass
try:
models.UserFollowRequest.objects.get(
user_subject=request.user, user_object=to_unfollow
).delete()
except models.UserFollowRequest.DoesNotExist:
pass
# this is handled with ajax so it shouldn't really matter
return redirect(request.headers.get("Referer", "/"))
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@login_required
@require_POST
def accept_follow_request(request):
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""" a user accepts a follow request """
username = request.POST["user"]
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try:
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requester = get_user_from_username(request.user, username)
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except models.User.DoesNotExist:
return HttpResponseBadRequest()
try:
follow_request = models.UserFollowRequest.objects.get(
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user_subject=requester, user_object=request.user
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)
except models.UserFollowRequest.DoesNotExist:
# Request already dealt with.
return redirect(request.user.local_path)
follow_request.accept()
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return redirect(request.user.local_path)
@login_required
@require_POST
def delete_follow_request(request):
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""" a user rejects a follow request """
username = request.POST["user"]
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try:
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requester = get_user_from_username(request.user, username)
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except models.User.DoesNotExist:
return HttpResponseBadRequest()
try:
follow_request = models.UserFollowRequest.objects.get(
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user_subject=requester, user_object=request.user
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)
except models.UserFollowRequest.DoesNotExist:
return HttpResponseBadRequest()
follow_request.delete()
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return redirect("/user/%s" % request.user.localname)