Обновил страницы админки "Артист" и "Альбом", удалил лишнее поле в модели "Альбом"

music_storage/music/admin.py

@@ -1,4 +1,9 @@
+from typing import Any
+
 from django.contrib import admin
+from django.http import HttpRequest
+from django.urls import reverse
+from django.utils.html import format_html
 
 from music.models import Track, Album, Artist
 
@@ -6,14 +11,26 @@ from music.models import Track, Album, Artist
 @admin.register(Track)
 class TrackAdmin(admin.ModelAdmin):
     class Media:
-        js = ('admin/js/upload_progress.js',)
-        css = {
-            'all': ('admin/css/upload_progress.css',)
-        }
+        js = ("admin/js/upload_progress.js",)
+        css = {"all": ("admin/css/upload_progress.css",)}
 
-    list_display = ("artist__name", "title", "created_by", "created_at")
-    search_fields = ("title", "artist__name", "album__name")
-    list_filter = ("artist__name",)
+    list_display = ("album__artist__name", "title", "created_by", "created_at")
+    search_fields = ("title", "album__artist__name", "album__name")
+    list_filter = ("album__artist__name",)
+
+
+class TrackInline(admin.TabularInline):
+    model = Track
+    extra = 1
+    show_change_link = True
+
+    def has_change_permission(
+        self, request: HttpRequest, obj: Any | None = None
+    ) -> bool:
+        return False
+
+    def has_add_permission(self, request: HttpRequest, obj: Any | None = None) -> bool:
+        return False
 
 
 @admin.register(Album)
@@ -21,9 +38,44 @@ class AlbumAdmin(admin.ModelAdmin):
     list_display = ("artist__name", "name")
     search_fields = ("artist__name", "name")
     list_filter = ("artist__name",)
+    inlines = [TrackInline]
+    readonly_fields = ("add_music_track_link",)
+
+    def add_music_track_link(self, obj: Any | None) -> str:
+        if obj is None or not obj.pk:
+            return ""
+        url = reverse("admin:music_track_add") + f"?album={obj.pk}"
+        return format_html('<a class="button" href="{}">Add Music Track</a>', url)
+
+    add_music_track_link.short_description = "Add Music Track"
+
+
+class AlbumInline(admin.TabularInline):
+    model = Album
+    extra = 1
+    fields = ("name",)
+    show_change_link = True
+
+    def has_change_permission(
+        self, request: HttpRequest, obj: Any | None = None
+    ) -> bool:
+        return False
+
+    def has_add_permission(self, request: HttpRequest, obj: Any | None = None) -> bool:
+        return False
 
 
 @admin.register(Artist)
 class ArtistAdmin(admin.ModelAdmin):
     list_display = ("name",)
     search_fields = ("name",)
+    inlines = [AlbumInline]
+    readonly_fields = ("add_album_link",)
+
+    def add_album_link(self, obj: Any | None) -> str:
+        if obj is None or not obj.pk:
+            return ""
+        url = reverse("admin:music_album_add") + f"?artist={obj.pk}"
+        return format_html('<a class="button" href="{}">Add Album</a>', url)
+
+    add_album_link.short_description = "Add Album"