website/hub/services/admin.py

from django.contrib import admin
from django.utils.html import format_html
from .models import (
    CloudProvider,
    ConsultingPartner,
    Service,
    Category,
)


@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    list_display = ("name", "slug", "parent", "order")
    list_filter = ("parent",)
    search_fields = ("name", "description")
    prepopulated_fields = {"slug": ("name",)}
    ordering = ("order", "name")


@admin.register(CloudProvider)
class CloudProviderAdmin(admin.ModelAdmin):
    list_display = ("name", "slug", "logo_preview")
    search_fields = ("name",)
    prepopulated_fields = {"slug": ("name",)}

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"


@admin.register(Service)
class ServiceAdmin(admin.ModelAdmin):
    list_display = (
        "name",
        "cloud_provider",
        "price",
        "logo_preview",
        "category_list",
        "partner_list",
    )
    list_filter = (
        "cloud_provider",
        "categories",
        "consulting_partners",
    )
    filter_horizontal = ("categories", "consulting_partners")
    search_fields = ("name", "description", "slug")
    prepopulated_fields = {"slug": ("name",)}

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"

    def category_list(self, obj):
        return ", ".join([cat.name for cat in obj.categories.all()])

    def partner_list(self, obj):
        return ", ".join([partner.name for partner in obj.consulting_partners.all()])

    partner_list.short_description = "Consulting Partners"
    category_list.short_description = "Categories"


@admin.register(ConsultingPartner)
class ConsultingPartnerAdmin(admin.ModelAdmin):
    list_display = ("name", "website", "logo_preview")
    search_fields = ("name", "description")
    prepopulated_fields = {"slug": ("name",)}

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"