feat: cms app Site, Page, Section admin 기능 추가

Author: earthyoung

app/cms/admin.py

@@ -1,17 +1,69 @@
+from cms.admin_mixins import RelatedReadonlyFieldsMixin
 from cms.models import Page, Section, Sitemap
 from django.contrib import admin
 
 
-class SitemapAdmin(admin.ModelAdmin):
-    pass
+class SitemapAdmin(RelatedReadonlyFieldsMixin, admin.ModelAdmin):
+    fields = ["id", "parent_sitemap", "page", "name", "order", "display_start_at", "display_end_at"]
+    readonly_fields = ["id"]
+    related_readonly_config = {
+        "page": ["id", "is_active", "css", "title", "subtitle"],
+        "parent_sitemap": ["id", "name", "order", "display_start_at", "display_end_at"],
+    }
+
+    def get_fieldsets(self, request, obj=...):
+        original_fieldsets = super().get_fieldsets(request, obj)
+        if obj and obj.parent_sitemap:
+            original_fieldsets.append(
+                (
+                    "Parent Sitemap 정보",
+                    {
+                        "fields": [f"get_parent_sitemap_{f}" for f in self.related_readonly_config["parent_sitemap"]],
+                        "classes": ("collapse",),
+                    },
+                )
+            )
+        if obj and obj.page:
+            original_fieldsets.append(
+                (
+                    "Page 정보",
+                    {
+                        "fields": [f"get_page_{f}" for f in self.related_readonly_config["page"]],
+                        "classes": ("collapse",),
+                    },
+                )
+            )
+        return original_fieldsets
+
+    def get_queryset(self, request):
+        return super().get_queryset(request).select_related("page").select_related("parent_sitemap")
 
 
 class PageAdmin(admin.ModelAdmin):
     pass
 
 
-class SectionAdmin(admin.ModelAdmin):
-    pass
+class SectionAdmin(RelatedReadonlyFieldsMixin, admin.ModelAdmin):
+    fields = ["id", "page", "order", "css", "body"]
+    readonly_fields = ["id"]
+    related_readonly_config = {"page": ["id", "is_active", "css", "title", "subtitle"]}
+
+    def get_fieldsets(self, request, obj=...):
+        original_fieldsets = super().get_fieldsets(request, obj)
+        if obj and obj.page:
+            original_fieldsets.append(
+                (
+                    "Page 정보",
+                    {
+                        "fields": [f"get_page_{f}" for f in self.related_readonly_config["page"]],
+                        "classes": ("collapse",),
+                    },
+                )
+            )
+        return original_fieldsets
+
+    def get_queryset(self, request):
+        return super().get_queryset(request).select_related("page")
 
 
 admin.site.register(Sitemap, SitemapAdmin)

app/cms/admin_mixins.py

@@ -0,0 +1,26 @@
+class RelatedReadonlyFieldsMixin:
+    related_readonly_config = {}
+
+    def _generate_related_getter(self, rel, field, prefix=""):
+        def _func(admin_self, obj):
+            related = getattr(obj, rel)
+            return getattr(related, field) if related else None
+
+        _func.short_description = f"{prefix} {field.replace('_', ' ')}"
+        return _func
+
+    def _register_dynamic_readonly_fields(self):
+        for rel, fields in self.related_readonly_config.items():
+            for field in fields:
+                method_name = f"get_{rel}_{field}"
+                getter = self._generate_related_getter(rel, field, prefix=rel.capitalize())
+                setattr(self.__class__, method_name, getter)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._register_dynamic_readonly_fields()
+
+    def get_readonly_fields(self, request, obj=None):
+        base = super().get_readonly_fields(request, obj)
+        generated = [f"get_{rel}_{field}" for rel, fields in self.related_readonly_config.items() for field in fields]
+        return list(base) + generated

app/cms/models.py

@@ -1,5 +1,6 @@
 import uuid
 
+from django.core.validators import MinValueValidator
 from django.db import models
 
 
@@ -21,7 +22,7 @@ class Sitemap(models.Model):
         "self", null=True, blank=True, default=None, on_delete=models.SET_NULL, related_name="children"
     )
     name = models.CharField(max_length=256)
-    order = models.IntegerField(default=0)
+    order = models.IntegerField(default=0, validators=MinValueValidator(0))
     page = models.ForeignKey(Page, on_delete=models.PROTECT)
     display_start_at = models.DateTimeField(null=True, blank=True)
     display_end_at = models.DateTimeField(null=True, blank=True)