main image selections

backend/api/admin.py

@@ -1,3 +1,4 @@
+from django import forms
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin
 
@@ -9,8 +10,35 @@ class CustomUserAdmin(UserAdmin):
     add_fieldsets = UserAdmin.add_fieldsets + ((None, {"fields": ("theme",)}),)
 
 
+class FlavorAdminForm(forms.ModelForm):
+    class Meta:
+        model = Flavor
+        exclude: list[str] = []
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        instance = kwargs.get("instance")
+        paths = list(instance.local_image_paths or []) if instance else []
+        if paths:
+            choices = [("", "— first available —")] + [(p, p.split("/")[-1]) for p in paths]
+            self.fields["main_image_path"] = forms.ChoiceField(
+                choices=choices,
+                required=False,
+                label="Main image",
+                help_text="Pick which downloaded image is used as the primary.",
+            )
+
+
+class FlavorAdmin(admin.ModelAdmin):
+    form = FlavorAdminForm
+    list_display = ("name", "category", "is_available", "is_legacy", "external_id")
+    list_filter = ("category", "is_available", "is_legacy")
+    search_fields = ("name",)
+    readonly_fields = ("local_image_paths",)
+
+
 admin.site.register(User, CustomUserAdmin)
 admin.site.register(Category)
-admin.site.register(Flavor)
+admin.site.register(Flavor, FlavorAdmin)
 admin.site.register(Rating)
 admin.site.register(Banner)