90 lines
3.4 KiB
Python
90 lines
3.4 KiB
Python
from django.contrib import admin
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from django.utils.html import format_html
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from import_export.admin import ImportExportModelAdmin
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from gallery.models import Gallery
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from gallery.resources import GalleryResource
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from utils.admin import SoftDeleteListFilter, BaseModelAdmin
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@admin.register(Gallery)
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class GalleryAdmin(BaseModelAdmin, ImportExportModelAdmin):
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resource_class = GalleryResource
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list_display = ('title', 'image_preview', 'uploaded_by', 'file_size_display', 'dimensions', 'is_public', 'created_at')
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list_filter = ('is_public', 'created_at', SoftDeleteListFilter)
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search_fields = ('title', 'description', 'alt_text')
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readonly_fields = ('uploaded_by', 'file_size', 'width', 'height', 'image_preview_large', 'markdown_url')
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fieldsets = (
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('Image Info', {
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'fields': ('title', 'description', 'image', 'alt_text', 'is_public')
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}),
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('Uploader', {
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'fields': ('uploaded_by',),
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'classes': ('collapse',)
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}),
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('Metadata', {
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'fields': ('file_size', 'width', 'height'),
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'classes': ('collapse',)
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}),
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('Preview & Usage', {
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'fields': ('image_preview_large', 'markdown_url'),
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'classes': ('collapse',)
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}),
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('Soft Delete', {
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'fields': ('is_deleted', 'deleted_at'),
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'classes': ('collapse',)
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}),
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)
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actions = BaseModelAdmin.actions + ['make_public', 'make_private', 'restore_images']
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def image_preview(self, obj):
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if obj.image:
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return format_html(
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'<img src="{}" style="width: 50px; height: 50px; object-fit: cover; border-radius: 4px;" />',
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obj.image.url
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)
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return "No Image"
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image_preview.short_description = "Preview"
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def image_preview_large(self, obj):
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if obj.image:
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return format_html(
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'<img src="{}" style="max-width: 300px; max-height: 300px; object-fit: contain;" />',
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obj.image.url
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)
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return "No Image"
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image_preview_large.short_description = "Image Preview"
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def file_size_display(self, obj):
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return f"{obj.file_size_mb} MB" if obj.file_size else "Unknown"
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file_size_display.short_description = "File Size"
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def dimensions(self, obj):
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if obj.width and obj.height:
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return f"{obj.width} × {obj.height}"
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return "Unknown"
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dimensions.short_description = "Dimensions"
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def make_public(self, request, queryset):
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queryset.update(is_public=True)
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self.message_user(request, f"Made {queryset.count()} images public.")
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make_public.short_description = "Make selected images public"
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def make_private(self, request, queryset):
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queryset.update(is_public=False)
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self.message_user(request, f"Made {queryset.count()} images private.")
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make_private.short_description = "Make selected images private"
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def restore_images(self, request, queryset):
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for image in queryset:
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image.restore()
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self.message_user(request, f"Restored {queryset.count()} images.")
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restore_images.short_description = "Restore selected images"
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def save_model(self, request, obj, form, change):
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if not obj.uploaded_by_id:
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obj.uploaded_by = request.user
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super().save_model(request, obj, form, change)
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