youtube-channel-manager/YtManagerApp/views/index.py

339 lines
12 KiB
Python

from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, Field, HTML
from django import forms
from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from django.db.models import Q
from django.http import HttpRequest, HttpResponseBadRequest, JsonResponse
from django.shortcuts import render
from django.views.generic import CreateView, UpdateView, DeleteView
from django.views.generic.edit import FormMixin
from YtManagerApp.management.videos import get_videos
from YtManagerApp.models import Subscription, SubscriptionFolder, VIDEO_ORDER_CHOICES, VIDEO_ORDER_MAPPING
from YtManagerApp.utils import youtube
from YtManagerApp.views.controls.modal import ModalMixin
class VideoFilterForm(forms.Form):
CHOICES_SHOW_WATCHED = (
('y', 'Watched'),
('n', 'Not watched'),
('all', '(All)')
)
CHOICES_SHOW_DOWNLOADED = (
('y', 'Downloaded'),
('n', 'Not downloaded'),
('all', '(All)')
)
MAPPING_SHOW = {
'y': True,
'n': False,
'all': None
}
query = forms.CharField(label='', required=False)
sort = forms.ChoiceField(label='Sort:', choices=VIDEO_ORDER_CHOICES, initial='newest')
show_watched = forms.ChoiceField(label='Show only: ', choices=CHOICES_SHOW_WATCHED, initial='all')
show_downloaded = forms.ChoiceField(label='', choices=CHOICES_SHOW_DOWNLOADED, initial='all')
subscription_id = forms.IntegerField(
required=False,
widget=forms.HiddenInput()
)
folder_id = forms.IntegerField(
required=False,
widget=forms.HiddenInput()
)
def __init__(self, data=None):
super().__init__(data, auto_id='form_video_filter_%s')
self.helper = FormHelper()
self.helper.form_id = 'form_video_filter'
self.helper.form_class = 'form-inline'
self.helper.form_method = 'POST'
self.helper.form_action = 'ajax_get_videos'
self.helper.field_class = 'mr-1'
self.helper.label_class = 'ml-2 mr-1 no-asterisk'
self.helper.layout = Layout(
Field('query', placeholder='Search'),
'sort',
'show_watched',
'show_downloaded',
'subscription_id',
'folder_id'
)
def clean_sort(self):
data = self.cleaned_data['sort']
return VIDEO_ORDER_MAPPING[data]
def clean_show_downloaded(self):
data = self.cleaned_data['show_downloaded']
return VideoFilterForm.MAPPING_SHOW[data]
def clean_show_watched(self):
data = self.cleaned_data['show_watched']
return VideoFilterForm.MAPPING_SHOW[data]
def __tree_folder_id(fd_id):
if fd_id is None:
return '#'
return 'folder' + str(fd_id)
def __tree_sub_id(sub_id):
if sub_id is None:
return '#'
return 'sub' + str(sub_id)
def index(request: HttpRequest):
if request.user.is_authenticated:
context = {
'filter_form': VideoFilterForm()
}
return render(request, 'YtManagerApp/index.html', context)
else:
return render(request, 'YtManagerApp/index_unauthenticated.html')
@login_required
def ajax_get_tree(request: HttpRequest):
def visit(node):
if isinstance(node, SubscriptionFolder):
return {
"id": __tree_folder_id(node.id),
"text": node.name,
"type": "folder",
"state": {"opened": True},
"parent": __tree_folder_id(node.parent_id)
}
elif isinstance(node, Subscription):
return {
"id": __tree_sub_id(node.id),
"type": "sub",
"text": node.name,
"icon": node.icon_default,
"parent": __tree_folder_id(node.parent_folder_id)
}
result = SubscriptionFolder.traverse(None, request.user, visit)
return JsonResponse(result, safe=False)
@login_required
def ajax_get_videos(request: HttpRequest):
if request.method == 'POST':
form = VideoFilterForm(request.POST)
if form.is_valid():
videos = get_videos(
user=request.user,
sort_order=form.cleaned_data['sort'],
query=form.cleaned_data['query'],
subscription_id=form.cleaned_data['subscription_id'],
folder_id=form.cleaned_data['folder_id'],
only_watched=form.cleaned_data['show_watched'],
only_downloaded=form.cleaned_data['show_downloaded']
)
context = {
'videos': videos
}
return render(request, 'YtManagerApp/index_videos.html', context)
return HttpResponseBadRequest()
class SubscriptionFolderForm(forms.ModelForm):
class Meta:
model = SubscriptionFolder
fields = ['name', 'parent']
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_tag = False
def clean_name(self):
name = self.cleaned_data['name']
return name.strip()
def clean(self):
cleaned_data = super().clean()
name = cleaned_data.get('name')
parent = cleaned_data.get('parent')
# Check name is unique in parent folder
args_id = []
if self.instance is not None:
args_id.append(~Q(id=self.instance.id))
if SubscriptionFolder.objects.filter(parent=parent, name__iexact=name, *args_id).count() > 0:
raise forms.ValidationError('A folder with the same name already exists in the given parent directory!', code='already_exists')
# Check for cycles
if self.instance is not None:
self.__test_cycles(parent)
def __test_cycles(self, new_parent):
visited = [self.instance.id]
current = new_parent
while current is not None:
if current.id in visited:
raise forms.ValidationError('Selected parent would create a parenting cycle!', code='parenting_cycle')
visited.append(current.id)
current = current.parent
class CreateFolderModal(LoginRequiredMixin, ModalMixin, CreateView):
template_name = 'YtManagerApp/controls/folder_create_modal.html'
form_class = SubscriptionFolderForm
def form_valid(self, form):
form.instance.user = self.request.user
return super().form_valid(form)
class UpdateFolderModal(LoginRequiredMixin, ModalMixin, UpdateView):
template_name = 'YtManagerApp/controls/folder_update_modal.html'
model = SubscriptionFolder
form_class = SubscriptionFolderForm
class DeleteFolderForm(forms.Form):
keep_subscriptions = forms.BooleanField(required=False, initial=False, label="Keep subscriptions")
class DeleteFolderModal(LoginRequiredMixin, ModalMixin, FormMixin, DeleteView):
template_name = 'YtManagerApp/controls/folder_delete_modal.html'
model = SubscriptionFolder
form_class = DeleteFolderForm
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
form = self.get_form()
if form.is_valid():
return self.form_valid(form)
else:
return self.form_invalid(form)
def form_valid(self, form):
self.object.delete_folder(keep_subscriptions=form.cleaned_data['keep_subscriptions'])
return super().form_valid(form)
class CreateSubscriptionForm(forms.ModelForm):
playlist_url = forms.URLField(label='Playlist/Channel URL')
class Meta:
model = Subscription
fields = ['parent_folder', 'auto_download',
'download_limit', 'download_order', 'delete_after_watched']
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_tag = False
self.helper.layout = Layout(
'playlist_url',
'parent_folder',
HTML('<hr>'),
HTML('<h5>Download configuration overloads</h5>'),
'auto_download',
'download_limit',
'download_order',
'delete_after_watched'
)
def clean_playlist_url(self):
playlist_url = self.cleaned_data['playlist_url']
try:
youtube.YoutubeAPI.parse_channel_url(playlist_url)
except youtube.YoutubeInvalidURLException:
raise forms.ValidationError('Invalid playlist/channel URL, or not in a recognized format.')
return playlist_url
class CreateSubscriptionModal(LoginRequiredMixin, ModalMixin, CreateView):
template_name = 'YtManagerApp/controls/subscription_create_modal.html'
form_class = CreateSubscriptionForm
def form_valid(self, form):
form.instance.user = self.request.user
api = youtube.YoutubeAPI.build_public()
try:
form.instance.fetch_from_url(form.cleaned_data['playlist_url'], api)
except youtube.YoutubeChannelNotFoundException:
return self.modal_response(
form, False, 'Could not find a channel based on the given URL. Please verify that the URL is correct.')
except youtube.YoutubeUserNotFoundException:
return self.modal_response(
form, False, 'Could not find an user based on the given URL. Please verify that the URL is correct.')
except youtube.YoutubePlaylistNotFoundException:
return self.modal_response(
form, False, 'Could not find a playlist based on the given URL. Please verify that the URL is correct.')
except youtube.YoutubeException as e:
return self.modal_response(
form, False, str(e))
except youtube.APIError as e:
return self.modal_response(
form, False, 'An error occurred while communicating with the YouTube API: ' + str(e))
return super().form_valid(form)
class UpdateSubscriptionForm(forms.ModelForm):
class Meta:
model = Subscription
fields = ['name', 'parent_folder', 'auto_download',
'download_limit', 'download_order', 'delete_after_watched']
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_tag = False
self.helper.layout = Layout(
'name',
'parent_folder',
HTML('<hr>'),
HTML('<h5>Download configuration overloads</h5>'),
'auto_download',
'download_limit',
'download_order',
'delete_after_watched'
)
class UpdateSubscriptionModal(LoginRequiredMixin, ModalMixin, UpdateView):
template_name = 'YtManagerApp/controls/subscription_update_modal.html'
model = Subscription
form_class = UpdateSubscriptionForm
class DeleteSubscriptionForm(forms.Form):
keep_downloaded_videos = forms.BooleanField(required=False, initial=False, label="Keep downloaded videos")
class DeleteSubscriptionModal(LoginRequiredMixin, ModalMixin, FormMixin, DeleteView):
template_name = 'YtManagerApp/controls/subscription_delete_modal.html'
model = Subscription
form_class = DeleteSubscriptionForm
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
form = self.get_form()
if form.is_valid():
return self.form_valid(form)
else:
return self.form_invalid(form)
def form_valid(self, form):
self.object.delete_subscription(keep_downloaded_videos=form.cleaned_data['keep_downloaded_videos'])
return super().form_valid(form)