Integrated django_dynamic_preferences for setting management.

app/YtManagerApp/views/first_time.py

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+from crispy_forms.helper import FormHelper
+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 YtManagerApp.models import UserSettings
+
+
+class SettingsForm(forms.ModelForm):
+    class Meta:
+        model = UserSettings
+        exclude = ['user']
+
+    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')
+        )
+
+
+class SettingsView(LoginRequiredMixin, UpdateView):
+    form_class = SettingsForm
+    model = UserSettings
+    template_name = 'YtManagerApp/settings.html'
+    success_url = reverse_lazy('home')
+
+    def get_object(self, queryset=None):
+        obj, _ = self.model.objects.get_or_create(user=self.request.user)
+        return obj