From 44af0d4c59eed1c3715e9044e75c159cfddf54cc Mon Sep 17 00:00:00 2001
From: Andrew Godwin
Date: Wed, 16 Nov 2022 17:23:46 -0700
Subject: Add start of a settings (config) system

---
 users/views/settings_system.py | 95 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 users/views/settings_system.py

(limited to 'users/views/settings_system.py')

diff --git a/users/views/settings_system.py b/users/views/settings_system.py
new file mode 100644
index 0000000..52ba349
--- /dev/null
+++ b/users/views/settings_system.py
@@ -0,0 +1,95 @@
+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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