deev.space/main/admin.py

from django.contrib import admin
from django.utils.html import format_html
from .models import (
    CustomUser, Category, Article, Project, Skill, Comment,
    ArticleLike, CommentLike, ContactMessage, Experience,
    Education, SiteSettings
)


@admin.register(CustomUser)
class CustomUserAdmin(admin.ModelAdmin):
    list_display = ['username', 'email', 'is_verified', 'is_active', 'date_joined']
    list_filter = ['is_verified', 'is_active', 'is_staff', 'date_joined']
    search_fields = ['username', 'email']
    ordering = ['-date_joined']
    readonly_fields = ['date_joined', 'last_login']


@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    list_display = ['name', 'slug', 'icon', 'order', 'articles_count']
    list_editable = ['order']
    prepopulated_fields = {'slug': ('name',)}
    search_fields = ['name']

    def articles_count(self, obj):
        return obj.articles_count

    articles_count.short_description = 'Статей'


@admin.register(Article)
class ArticleAdmin(admin.ModelAdmin):
    list_display = ['title', 'category', 'is_published', 'is_achievement', 'views', 'date', 'image_preview']
    list_filter = ['is_published', 'is_achievement', 'category', 'date']
    search_fields = ['title', 'post', 'excerpt']
    prepopulated_fields = {'slug': ('title',)}
    date_hierarchy = 'date'
    list_editable = ['is_published']
    readonly_fields = ['views', 'date', 'updated_at', 'image_preview_large']

    fieldsets = (
        ('Основное', {
            'fields': ('title', 'slug', 'sub_title', 'excerpt', 'post')
        }),
        ('Медиа', {
            'fields': ('img', 'image_preview_large')
        }),
        ('Категоризация', {
            'fields': ('category', 'author')
        }),
        ('Достижение', {
            'fields': ('is_achievement', 'achievement_icon', 'achievement_date'),
            'classes': ('collapse',)
        }),
        ('Публикация', {
            'fields': ('is_published', 'views', 'date', 'updated_at')
        }),
    )

    def image_preview(self, obj):
        if obj.img:
            return format_html('<img src="{}" width="50" height="50" style="object-fit: cover; border-radius: 4px;" />',
                               obj.img.url)
        return '-'

    image_preview.short_description = 'Превью'

    def image_preview_large(self, obj):
        if obj.img:
            return format_html('<img src="{}" width="200" style="border-radius: 8px;" />', obj.img.url)
        return 'Нет изображения'

    image_preview_large.short_description = 'Изображение'


@admin.register(Project)
class ProjectAdmin(admin.ModelAdmin):
    list_display = ['title', 'status', 'card_size', 'technologies_short', 'users_count', 'order', 'is_visible']
    list_filter = ['status', 'card_size', 'is_visible']
    search_fields = ['title', 'description', 'technologies']
    prepopulated_fields = {'slug': ('title',)}
    list_editable = ['order', 'is_visible', 'card_size']

    fieldsets = (
        ('Основное', {
            'fields': ('title', 'slug', 'short_description', 'description', 'features')
        }),
        ('Визуальное', {
            'fields': ('img_main', 'icon', 'card_size')
        }),
        ('Техническое', {
            'fields': ('technologies', 'github_url', 'demo_url')
        }),
        ('Статус', {
            'fields': ('status', 'users_count', 'is_visible', 'order')
        }),
    )

    def technologies_short(self, obj):
        techs = obj.get_technologies_list()[:3]
        return ', '.join(techs) + ('...' if len(obj.get_technologies_list()) > 3 else '')

    technologies_short.short_description = 'Технологии'


@admin.register(Skill)
class SkillAdmin(admin.ModelAdmin):
    list_display = ['name', 'category', 'icon', 'order']
    list_filter = ['category']
    list_editable = ['order']
    search_fields = ['name']
    ordering = ['category', 'order']


@admin.register(Experience)
class ExperienceAdmin(admin.ModelAdmin):
    list_display = ['title', 'company', 'start_date', 'end_date', 'is_current', 'duration', 'order']
    list_filter = ['is_current', 'company']
    list_editable = ['order']
    search_fields = ['title', 'company', 'description']
    ordering = ['order', '-start_date']


@admin.register(Education)
class EducationAdmin(admin.ModelAdmin):
    list_display = ['institution_short_display', 'degree', 'education_type', 'start_year', 'end_year', 'is_current',
                    'order']
    list_filter = ['education_type', 'is_current']
    list_editable = ['order']
    search_fields = ['institution', 'degree']
    ordering = ['order', '-start_year']

    def institution_short_display(self, obj):
        return obj.institution_short or obj.institution[:30] + '...'

    institution_short_display.short_description = 'Учреждение'


@admin.register(Comment)
class CommentAdmin(admin.ModelAdmin):
    list_display = ['user', 'article', 'content_short', 'is_approved', 'created_at']
    list_filter = ['is_approved', 'created_at']
    search_fields = ['content', 'user__username', 'article__title']
    list_editable = ['is_approved']
    readonly_fields = ['created_at', 'updated_at']
    actions = ['approve_comments', 'reject_comments']

    def content_short(self, obj):
        return obj.content[:50] + '...' if len(obj.content) > 50 else obj.content

    content_short.short_description = 'Содержание'

    def approve_comments(self, request, queryset):
        count = queryset.update(is_approved=True)
        self.message_user(request, f'Одобрено {count} комментариев')

    approve_comments.short_description = 'Одобрить выбранные комментарии'

    def reject_comments(self, request, queryset):
        count = queryset.update(is_approved=False)
        self.message_user(request, f'Отклонено {count} комментариев')

    reject_comments.short_description = 'Отклонить выбранные комментарии'


@admin.register(ContactMessage)
class ContactMessageAdmin(admin.ModelAdmin):
    list_display = ['name', 'email', 'subject', 'is_read', 'is_replied', 'created_at']
    list_filter = ['is_read', 'is_replied', 'created_at']
    search_fields = ['name', 'email', 'subject', 'message']
    readonly_fields = ['name', 'email', 'subject', 'message', 'created_at']
    list_editable = ['is_read', 'is_replied']
    ordering = ['-created_at']

    fieldsets = (
        ('Сообщение', {
            'fields': ('name', 'email', 'subject', 'message', 'created_at')
        }),
        ('Статус', {
            'fields': ('is_read', 'is_replied', 'admin_notes')
        }),
    )


@admin.register(SiteSettings)
class SiteSettingsAdmin(admin.ModelAdmin):
    fieldsets = (
        ('Основное', {
            'fields': ('site_name', 'site_description')
        }),
        ('Владелец', {
            'fields': ('owner_name', 'owner_title', 'owner_bio', 'owner_photo')
        }),
        ('Контакты', {
            'fields': ('owner_email', 'owner_phone', 'owner_city')
        }),
        ('Социальные сети', {
            'fields': ('telegram_url', 'github_url', 'vk_url', 'linkedin_url')
        }),
        ('Файлы', {
            'fields': ('resume_file',)
        }),
        ('Аналитика', {
            'fields': ('yandex_metrika_id', 'google_analytics_id'),
            'classes': ('collapse',)
        }),
    )

    def has_add_permission(self, request):
        return not SiteSettings.objects.exists()

    def has_delete_permission(self, request, obj=None):
        return False


admin.site.register(ArticleLike)
admin.site.register(CommentLike)

admin.site.site_header = 'deev.space — Администрирование'
admin.site.site_title = 'deev.space Admin'
admin.site.index_title = 'Панель управления'