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from functools import partial
from typing import ClassVar, Dict
from django import forms
from django.shortcuts import redirect
from django.utils.decorators import method_decorator
from django.views.generic import FormView, RedirectView
from core.models import Config
from users.decorators import identity_required
@method_decorator(identity_required, name="dispatch")
class SystemSettingsRoot(RedirectView):
url = "/settings/system/basic/"
@method_decorator(identity_required, name="dispatch")
class SystemSettingsPage(FormView):
"""
Shows a settings page dynamically created from our settings layout
at the bottom of the page. Don't add this to a URL directly - subclass!
"""
template_name = "settings/settings_system.html"
options_class = Config.SystemOptions
section: ClassVar[str]
options: Dict[str, Dict[str, str]]
def get_form_class(self):
# Create the fields dict from the config object
fields = {}
for key, details in self.options.items():
config_field = self.options_class.__fields__[key]
if config_field.type_ is bool:
form_field = partial(
forms.BooleanField,
widget=forms.Select(
choices=[(True, "Enabled"), (False, "Disabled")]
),
)
elif config_field.type_ is str:
form_field = forms.CharField
else:
raise ValueError(f"Cannot render settings type {config_field.type_}")
fields[key] = form_field(
label=details["title"],
help_text=details.get("help_text", ""),
required=details.get("required", False),
)
# Create a form class dynamically (yeah, right?) and return that
return type("SettingsForm", (forms.Form,), fields)
def load_config(self):
return Config.load_system()
def save_config(self, key, value):
Config.set_system(key, value)
def get_initial(self):
config = self.load_config()
initial = {}
for key in self.options.keys():
initial[key] = getattr(config, key)
return initial
def get_context_data(self):
context = super().get_context_data()
context["section"] = self.section
return context
def form_valid(self, form):
# Save each key
for field in form:
self.save_config(
field.name,
form.cleaned_data[field.name],
)
return redirect(".")
class BasicPage(SystemSettingsPage):
section = "basic"
options = {
"site_name": {
"title": "Site Name",
"help_text": "Shown in the top-left of the page, and titles",
},
"highlight_color": {
"title": "Highlight Color",
"help_text": "Used for logo background and other highlights",
},
}
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