Implemented first time setup wizard. There are still some problems to be solved.

app/YtManagerApp/appmain.py

@@ -7,7 +7,7 @@ from django.conf import settings as dj_settings
 from .management.appconfig import global_prefs
 from .management.jobs.synchronize import schedule_synchronize_global
 from .scheduler import initialize_scheduler
-
+from django.db.utils import OperationalError
 
 def __initialize_logger():
     log_dir = os.path.join(dj_settings.DATA_DIR, 'logs')
@@ -29,8 +29,12 @@ def __initialize_logger():
 def main():
     __initialize_logger()
 
-    if global_prefs['hidden__initialized']:
-        initialize_scheduler()
-        schedule_synchronize_global()
+    try:
+        if global_prefs['hidden__initialized']:
+            initialize_scheduler()
+            schedule_synchronize_global()
+    except OperationalError:
+        # Settings table is not created when running migrate or makemigrations, so just don't do anything in this case.
+        pass
 
     logging.info('Initialization complete.')

app/YtManagerApp/dynamic_preferences_registry.py

@@ -4,6 +4,8 @@ from dynamic_preferences.registries import global_preferences_registry
 from dynamic_preferences.users.registries import user_preferences_registry
 
 from YtManagerApp.models import VIDEO_ORDER_CHOICES
+from django.conf import settings
+import os
 
 # we create some section objects to link related preferences together
 
@@ -83,7 +85,7 @@ class AutoDeleteWatched(BooleanPreference):
 @user_preferences_registry.register
 class AutoDownloadEnabled(BooleanPreference):
     section = downloader
-    name = 'download_enabled'
+    name = 'auto_enabled'
     default = True
     required = True
 
@@ -91,7 +93,7 @@ class AutoDownloadEnabled(BooleanPreference):
 @user_preferences_registry.register
 class DownloadGlobalLimit(IntegerPreference):
     section = downloader
-    name = 'download_global_limit'
+    name = 'global_limit'
     default = None
     required = False
 
@@ -107,7 +109,7 @@ class DownloadGlobalSizeLimit(IntegerPreference):
 @user_preferences_registry.register
 class DownloadSubscriptionLimit(IntegerPreference):
     section = downloader
-    name = 'download_limit_per_subscription'
+    name = 'limit_per_subscription'
     default = 5
     required = False
 
@@ -115,7 +117,7 @@ class DownloadSubscriptionLimit(IntegerPreference):
 @user_preferences_registry.register
 class DownloadMaxAttempts(IntegerPreference):
     section = downloader
-    name = 'download_max_attempts'
+    name = 'max_download_attempts'
     default = 3
     required = True
 
@@ -133,7 +135,7 @@ class DownloadOrder(ChoicePreference):
 class DownloadPath(StringPreference):
     section = downloader
     name = 'download_path'
-    default = None
+    default = os.path.join(settings.DATA_DIR, 'downloads')
     required = False
 
 

app/YtManagerApp/management/jobs/synchronize.py

@@ -149,7 +149,7 @@ def synchronize_subscription(subscription: Subscription):
 
 
 def schedule_synchronize_global():
-    trigger = CronTrigger.from_crontab(global_prefs['synchronization_schedule'])
+    trigger = CronTrigger.from_crontab(global_prefs['scheduler__synchronization_schedule'])
     job = scheduler.scheduler.add_job(synchronize, trigger, max_instances=1, coalesce=True)
     log.info('Scheduled synchronize job job=%s', job.id)
 

app/YtManagerApp/scheduler.py

@@ -1,7 +1,8 @@
 import logging
-import sys
+
 from apscheduler.schedulers.background import BackgroundScheduler
-from django.conf import settings
+
+from YtManagerApp.management.appconfig import global_prefs
 
 scheduler: BackgroundScheduler = None
 
@@ -13,7 +14,7 @@ def initialize_scheduler():
     executors = {
         'default': {
             'type': 'threadpool',
-            'max_workers': settings.SCHEDULER_CONCURRENCY
+            'max_workers': global_prefs['scheduler__concurrency']
         }
     }
     job_defaults = {

app/YtManagerApp/templates/YtManagerApp/first_time_setup/done.html

@@ -5,7 +5,7 @@
 
     <div class="container">
         <h1>Done!</h1>
-        <p>The application is now ready to use!</p>
+        <p>The setup is finished, and the application is now ready to use!</p>
         {% crispy form %}
     </div>
 

app/YtManagerApp/templates/YtManagerApp/first_time_setup/step1_apikey.html

@@ -0,0 +1,66 @@
+{% extends "YtManagerApp/master_default.html" %}
+{% load crispy_forms_tags %}
+{% load static %}
+
+{% block body %}
+
+    <div class="container">
+
+        <h1>Step 1: Set up YouTube API key (optional)</h1>
+        <p>This program uses the YouTube API in order to obtain information about videos, channels and playlists.
+        In order to access this API, YouTube requires that we register on their site and request an API key. YouTube
+        uses this key in order to limit the number of requests made to their platform, in order to prevent abuses.</p>
+
+        <p>To use this program, it is <em>recommended</em> that you create an API key for your own account. While a key
+        is already provided the developer, there is a chance that the quota limits will be reached, which will prevent
+        this program from reaching YouTube. Follow the steps below, or press <strong>Skip</strong> to use the provided key.</p>
+
+        <h4>
+            <a data-toggle="collapse" href="#HowToObtainKey" role="button" aria-expanded="false" aria-controls="HowToObtainKey">
+                <span class="typcn typcn-arrow-sorted-down"></span>How to obtain a key
+            </a>
+        </h4>
+
+        <div class="collapse" id="HowToObtainKey">
+            <ol>
+                <li>Visit <a href="https://developers.google.com/">https://developers.google.com/</a>, log in or create an account, if necessary.</li>
+                <li>Go to <a href="https://console.developers.google.com/project"></a>, and click on the <strong>Create project</strong> button.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_create_project.png' %}">
+                </li>
+                <li>Give a name to the project, and then click on <strong>Create</strong>. Wait for a few seconds, until Google finishes creating the project.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_project_name.png' %}">
+                </li>
+                <li>Make sure the newly created project is selected in the top bar and then, in the left sidebar,
+                    go to <strong>APIs & Services</strong> - <strong>Library</strong>.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_goto_apis.png' %}">
+                </li>
+                <li>Find and click on the <strong>YouTube Data API v3</strong> from the list.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_select_ytapi.png' %}">
+                </li>
+                <li>Click <strong>Enable</strong> to enable the YouTube API for your account.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_enable_ytapi.png' %}">
+                </li>
+                <li>In the navigation sidebar, go to the <strong>Credentials</strong> page.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_goto_credentials.png' %}">
+                </li>
+                <li>Click on <strong>Create credentials</strong>.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_create_credential.png' %}">
+                </li>
+                <li>Fill the requested information; we will need access to the <strong>YouTube Data v3</strong>,
+                    we will be calling the API from a <strong>Web server</strong>, and we will access the <strong>Public data</strong>.
+                    After filling the information, click on the <strong>What credentials do I need?</strong> button.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_create_credential_options.png' %}">
+                </li>
+                <li>Copy the created key in the box below, and then hit <strong>Done</strong>.
+                    <img class="d-block" src="{% static 'YtManagerApp/img/first_time/ytapi_done.png' %}">
+                </li>
+            </ol>
+        </div>
+
+        {% crispy form %}
+
+        <a href="{% url 'first_time_2' %}">Skip</a>
+
+    </div>
+
+{% endblock body %}

app/YtManagerApp/templates/YtManagerApp/first_time_setup/step2_admin.html

@@ -0,0 +1,15 @@
+{% extends "YtManagerApp/master_default.html" %}
+{% load crispy_forms_tags %}
+{% load static %}
+
+{% block body %}
+
+    <div class="container">
+
+        <h1>Step 2: Create an administrator account</h1>
+
+        {% crispy form %}
+
+    </div>
+
+{% endblock body %}

app/YtManagerApp/templates/YtManagerApp/first_time_setup/step3_configure.html

@@ -0,0 +1,17 @@
+{% extends "YtManagerApp/master_default.html" %}
+{% load crispy_forms_tags %}
+{% load static %}
+
+{% block body %}
+
+    <div class="container">
+
+        <h1>Step 3: Configure the server</h1>
+
+        <p>Here you can customize some basic options for the application. There are many more options which can be changed in the settings page.</p>
+
+        {% crispy form %}
+
+    </div>
+
+{% endblock body %}

app/YtManagerApp/urls.py

@@ -24,6 +24,7 @@ from .views.auth import ExtendedLoginView, RegisterView, RegisterDoneView
 from .views.index import index, ajax_get_tree, ajax_get_videos, CreateFolderModal, UpdateFolderModal, DeleteFolderModal, \
     CreateSubscriptionModal, UpdateSubscriptionModal, DeleteSubscriptionModal, ImportSubscriptionsModal
 from .views.settings import SettingsView
+from .views import first_time
 
 urlpatterns = [
     # Authentication URLs
@@ -59,4 +60,11 @@ urlpatterns = [
     path('', index, name='home'),
     path('settings/', SettingsView.as_view(), name='settings'),
 
+    # First time setup
+    path('first_time/step0_welcome', first_time.Step0WelcomeView.as_view(), name='first_time_0'),
+    path('first_time/step1_apikey', first_time.Step1ApiKeyView.as_view(), name='first_time_1'),
+    path('first_time/step2_admin', first_time.Step2CreateAdminUserView.as_view(), name='first_time_2'),
+    path('first_time/step3_config', first_time.Step3ConfigureView.as_view(), name='first_time_3'),
+    path('first_time/done', first_time.DoneView.as_view(), name='first_time_done'),
+
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

app/YtManagerApp/views/first_time.py

@@ -3,49 +3,165 @@ from crispy_forms.layout import Layout, HTML, Submit
 from django import forms
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.urls import reverse_lazy
-from django.views.generic import UpdateView
-
+from django.views.generic import UpdateView, FormView
+from django.shortcuts import render, redirect
+from YtManagerApp.views.auth import RegisterView
 from YtManagerApp.models import UserSettings
 
+from YtManagerApp.management.appconfig import global_prefs
+from django.http import HttpResponseForbidden
 
-class SettingsForm(forms.ModelForm):
-    class Meta:
-        model = UserSettings
-        exclude = ['user']
+
+class ProtectInitializedMixin(object):
+
+    def get(self, request, *args, **kwargs):
+        if global_prefs['hidden__initialized']:
+            return redirect('home')
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        if global_prefs['hidden__initialized']:
+            return HttpResponseForbidden()
+        return super().post(request, *args, **kwargs)
+
+
+#
+# Step 0: welcome screen
+#
+class Step0WelcomeForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Submit('submit', value='Continue')
+        )
+
+
+class Step0WelcomeView(ProtectInitializedMixin, FormView):
+    template_name = 'YtManagerApp/first_time_setup/step0_welcome.html'
+    form_class = Step0WelcomeForm
+    success_url = reverse_lazy('first_time_1')
+
+
+#
+# Step 1: setup API key
+#
+class Step1ApiKeyForm(forms.Form):
+    api_key = forms.CharField(label="YouTube API Key:")
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.helper = FormHelper()
-        self.helper.form_class = 'form-horizontal'
-        self.helper.label_class = 'col-lg-3'
-        self.helper.field_class = 'col-lg-9'
         self.helper.layout = Layout(
-            'mark_deleted_as_watched',
-            'delete_watched',
-            HTML('<h2>Download settings</h2>'),
-            'auto_download',
-            'download_path',
-            'download_file_pattern',
-            'download_format',
-            'download_order',
-            'download_global_limit',
-            'download_subscription_limit',
-            HTML('<h2>Subtitles download settings</h2>'),
-            'download_subtitles',
-            'download_subtitles_langs',
-            'download_subtitles_all',
-            'download_autogenerated_subtitles',
-            'download_subtitles_format',
-            Submit('submit', value='Save')
+            'api_key',
+            Submit('submit', value='Continue'),
         )
 
 
-class SettingsView(LoginRequiredMixin, UpdateView):
-    form_class = SettingsForm
-    model = UserSettings
-    template_name = 'YtManagerApp/settings.html'
-    success_url = reverse_lazy('home')
+class Step1ApiKeyView(ProtectInitializedMixin, FormView):
+    template_name = 'YtManagerApp/first_time_setup/step1_apikey.html'
+    form_class = Step1ApiKeyForm
+    success_url = reverse_lazy('first_time_2')
 
-    def get_object(self, queryset=None):
-        obj, _ = self.model.objects.get_or_create(user=self.request.user)
-        return obj
+    def form_valid(self, form):
+        key = form.cleaned_data['api_key']
+        # TODO: validate key
+        if key is not None and len(key) > 0:
+            global_prefs['general__youtube_api_key'] = key
+
+
+#
+# Step 2: create admin user
+#
+class Step2CreateAdminUserView(ProtectInitializedMixin, RegisterView):
+    template_name = 'YtManagerApp/first_time_setup/step2_admin.html'
+    success_url = reverse_lazy('first_time_3')
+
+
+#
+# Step 3: configure server
+#
+class Step3ConfigureForm(forms.Form):
+
+    allow_registrations = forms.BooleanField(
+        label="Allow user registrations",
+        help_text="Disabling this option will prevent anyone from registering to the site.",
+        initial=True,
+        required=False
+    )
+
+    sync_schedule = forms.CharField(
+        label="Synchronization schedule",
+        help_text="How often should the application look for new videos.",
+        initial="5 * * * *",
+        required=True
+    )
+
+    auto_download = forms.BooleanField(
+        label="Download videos automatically",
+        required=False
+    )
+
+    download_location = forms.CharField(
+        label="Download location",
+        help_text="Location on the server where videos are downloaded.",
+        required=True
+    )
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            HTML('<h3>Server settings</h3>'),
+            'sync_schedule',
+            'allow_registrations',
+            HTML('<h3>User settings</h3>'),
+            'auto_download',
+            'download_location',
+            Submit('submit', value='Continue'),
+        )
+
+
+class Step3ConfigureView(ProtectInitializedMixin, FormView):
+    template_name = 'YtManagerApp/first_time_setup/step3_configure.html'
+    form_class = Step3ConfigureForm
+    success_url = reverse_lazy('first_time_done')
+
+    def form_valid(self, form):
+        allow_registrations = form.cleaned_data['allow_registrations']
+        if allow_registrations is not None:
+            global_prefs['general__allow_registrations'] = allow_registrations
+
+        sync_schedule = form.cleaned_data['sync_schedule']
+        if sync_schedule is not None and len(sync_schedule) > 0:
+            global_prefs['scheduler__synchronization_schedule'] = sync_schedule
+
+        auto_download = form.cleaned_data['auto_download']
+        if auto_download is not None:
+            self.request.user.preferences['downloader__auto_enabled'] = auto_download
+
+        download_location = form.cleaned_data['download_location']
+        if download_location is not None and len(download_location) > 0:
+            self.request.user.preferences['downloader__download_path'] = download_location
+
+        # Set initialized to true
+        global_prefs['hidden__initialized'] = True
+        
+        return super().form_valid(form)
+
+#
+# Done screen
+#
+class DoneForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Submit('submit', value='Finish')
+        )
+
+
+class DoneView(FormView):
+    template_name = 'YtManagerApp/first_time_setup/done.html'
+    form_class = DoneForm
+    success_url = reverse_lazy('home')

app/YtManagerApp/views/index.py

@@ -5,11 +5,12 @@ 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.shortcuts import render, redirect
 from django.views.generic import CreateView, UpdateView, DeleteView, FormView
 from django.views.generic.edit import FormMixin
 from django.conf import settings
 from YtManagerApp.management.videos import get_videos
+from YtManagerApp.management.appconfig import global_prefs
 from YtManagerApp.models import Subscription, SubscriptionFolder, VIDEO_ORDER_CHOICES, VIDEO_ORDER_MAPPING
 from YtManagerApp.utils import youtube, subscription_file_parser
 from YtManagerApp.views.controls.modal import ModalMixin
@@ -94,6 +95,10 @@ def __tree_sub_id(sub_id):
 
 
 def index(request: HttpRequest):
+
+    if not global_prefs['hidden__initialized']:
+        return redirect('first_time_0')
+
     context = {
         'config_errors': settings.CONFIG_ERRORS,
         'config_warnings': settings.CONFIG_WARNINGS,