Call it admin rather than system settings

1 files changed, 265 insertions, 0 deletions

diff --git a/users/views/admin.py b/users/views/admin.py
new file mode 100644
index 0000000..c1210f1
--- /dev/null
+++ b/users/views/admin.py
@@ -0,0 +1,265 @@
+import re
+from functools import partial
+from typing import ClassVar, Dict
+
+from django import forms
+from django.db import models
+from django.shortcuts import get_object_or_404, redirect
+from django.utils.decorators import method_decorator
+from django.views.generic import FormView, RedirectView, TemplateView
+
+from core.models import Config
+from users.decorators import admin_required
+from users.models import Domain, Identity, User
+
+
+@method_decorator(admin_required, name="dispatch")
+class AdminRoot(RedirectView):
+    pattern_name = "admin_basic"
+
+
+@method_decorator(admin_required, name="dispatch")
+class AdminSettingsPage(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 = "admin/settings.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(AdminSettingsPage):
+
+    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",
+        },
+    }
+
+
+@method_decorator(admin_required, name="dispatch")
+class DomainsPage(TemplateView):
+
+    template_name = "admin/domains.html"
+
+    def get_context_data(self):
+        return {
+            "domains": Domain.objects.filter(local=True).order_by("domain"),
+            "section": "domains",
+        }
+
+
+@method_decorator(admin_required, name="dispatch")
+class DomainCreatePage(FormView):
+
+    template_name = "admin/domain_create.html"
+    extra_context = {"section": "domains"}
+
+    class form_class(forms.Form):
+        domain = forms.CharField(
+            help_text="The domain displayed as part of a user's identity.\nCannot be changed after the domain has been created.",
+        )
+        service_domain = forms.CharField(
+            help_text="Optional - a domain that serves Takahē if it is not running on the main domain.\nCannot be changed after the domain has been created.",
+            required=False,
+        )
+        public = forms.BooleanField(
+            help_text="If any user on this server can create identities here",
+            widget=forms.Select(choices=[(True, "Public"), (False, "Private")]),
+            required=False,
+        )
+
+        domain_regex = re.compile(
+            r"^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9\-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$"
+        )
+
+        def clean_domain(self):
+            if not self.domain_regex.match(self.cleaned_data["domain"]):
+                raise forms.ValidationError("This does not look like a domain name")
+            if Domain.objects.filter(
+                models.Q(domain=self.cleaned_data["domain"])
+                | models.Q(service_domain=self.cleaned_data["domain"])
+            ):
+                raise forms.ValidationError("This domain name is already in use")
+            return self.cleaned_data["domain"]
+
+        def clean_service_domain(self):
+            if not self.cleaned_data["service_domain"]:
+                return None
+            if not self.domain_regex.match(self.cleaned_data["service_domain"]):
+                raise forms.ValidationError("This does not look like a domain name")
+            if Domain.objects.filter(
+                models.Q(domain=self.cleaned_data["service_domain"])
+                | models.Q(service_domain=self.cleaned_data["service_domain"])
+            ):
+                raise forms.ValidationError("This domain name is already in use")
+            if self.cleaned_data.get("domain") == self.cleaned_data["service_domain"]:
+                raise forms.ValidationError(
+                    "You cannot have the domain and service domain be the same (did you mean to leave service domain blank?)"
+                )
+            return self.cleaned_data["service_domain"]
+
+    def form_valid(self, form):
+        Domain.objects.create(
+            domain=form.cleaned_data["domain"],
+            service_domain=form.cleaned_data["service_domain"] or None,
+            public=form.cleaned_data["public"],
+            local=True,
+        )
+        return redirect(Domain.urls.root)
+
+
+@method_decorator(admin_required, name="dispatch")
+class DomainEditPage(FormView):
+
+    template_name = "admin/domain_edit.html"
+    extra_context = {"section": "domains"}
+
+    class form_class(forms.Form):
+        domain = forms.CharField(
+            help_text="The domain displayed as part of a user's identity.\nCannot be changed after the domain has been created.",
+            disabled=True,
+        )
+        service_domain = forms.CharField(
+            help_text="Optional - a domain that serves Takahē if it is not running on the main domain.\nCannot be changed after the domain has been created.",
+            disabled=True,
+            required=False,
+        )
+        public = forms.BooleanField(
+            help_text="If any user on this server can create identities here",
+            widget=forms.Select(choices=[(True, "Public"), (False, "Private")]),
+            required=False,
+        )
+
+    def dispatch(self, request, domain):
+        self.domain = get_object_or_404(
+            Domain.objects.filter(local=True), domain=domain
+        )
+        return super().dispatch(request)
+
+    def get_context_data(self):
+        context = super().get_context_data()
+        context["domain"] = self.domain
+        return context
+
+    def form_valid(self, form):
+        self.domain.public = form.cleaned_data["public"]
+        self.domain.save()
+        return redirect(Domain.urls.root)
+
+    def get_initial(self):
+        return {
+            "domain": self.domain.domain,
+            "service_domain": self.domain.service_domain,
+            "public": self.domain.public,
+        }
+
+
+@method_decorator(admin_required, name="dispatch")
+class DomainDeletePage(TemplateView):
+
+    template_name = "admin/domain_delete.html"
+
+    def dispatch(self, request, domain):
+        self.domain = get_object_or_404(
+            Domain.objects.filter(public=True), domain=domain
+        )
+        return super().dispatch(request)
+
+    def get_context_data(self):
+        return {
+            "domain": self.domain,
+            "num_identities": self.domain.identities.count(),
+            "section": "domains",
+        }
+
+    def post(self, request):
+        if self.domain.identities.exists():
+            raise ValueError("Tried to delete domain with identities!")
+        self.domain.delete()
+        return redirect("/settings/system/domains/")
+
+
+@method_decorator(admin_required, name="dispatch")
+class UsersPage(TemplateView):
+
+    template_name = "admin/users.html"
+
+    def get_context_data(self):
+        return {
+            "users": User.objects.order_by("email"),
+            "section": "users",
+        }
+
+
+@method_decorator(admin_required, name="dispatch")
+class IdentitiesPage(TemplateView):
+
+    template_name = "admin/identities.html"
+
+    def get_context_data(self):
+        return {
+            "identities": Identity.objects.order_by("username"),
+            "section": "identities",
+        }