add: add common models, translations and register on admin panel

core/apps/common/admin.py

@@ -1,3 +1,70 @@
-from django.contrib import admin
+from django.contrib import admin 
 
-# Register your models here.
+from django.http import HttpResponseRedirect
+from django.urls import reverse
+from modeltranslation.admin import TranslationAdmin, TranslationTabularInline
+
+from core.apps.common import models
+
+
+@admin.register(models.Banner)
+class BannerAdmin(admin.ModelAdmin):
+    list_display = ['banner']
+
+
+@admin.register(models.SiteConfig)
+class SiteConfigAdmin(admin.ModelAdmin):
+    def has_delete_permission(self, request, obj=...):
+        return False
+    
+    def changelist_view(self, request, extra_context=None):
+        config, create = models.SiteConfig.objects.get_or_create(
+            defaults=dict(
+                telegram='https://t.me/telegram',
+                facebook='https://facebook.com',
+                instagram='https://instagram.com',
+                youtube='https://youtube.com',
+            )
+        )
+        url = reverse('admin:common_siteconfig_change', args=[config.id])
+        return HttpResponseRedirect(url)
+    
+
+class AboutUsImageInline(admin.TabularInline):
+    model = models.AboutUsImage
+    extra = 0
+    verbose_name = 'rasm'
+    verbose_name_plural = 'rasmlar'
+
+
+class AboutUsFeatureInline(TranslationTabularInline):
+    model = models.AboutUsFeature
+    extra = 0
+    verbose_name = 'xususiyat'
+    verbose_name_plural = 'xususiyatlar'
+
+
+@admin.register(models.AboutUs)
+class AboutUsAdmin(TranslationAdmin):
+    list_display = ['title', 'description']
+    inlines = [AboutUsImageInline, AboutUsFeatureInline]
+    
+
+@admin.register(models.Service)
+class ServiceAdmin(TranslationAdmin):
+    list_display = ['title', 'text', 'icon', 'image']
+    
+
+@admin.register(models.ContactUs)
+class ContactUsAdmin(admin.ModelAdmin):
+    list_display = [
+        'email', 'phone', 'is_contacted'
+    ]
+
+    def has_add_permission(self, request):
+        return False
+
+
+@admin.register(models.News)
+class NewsAdmin(TranslationAdmin):
+    list_display = ['title', 'text', 'image']