115 lines
2.9 KiB
Python
115 lines
2.9 KiB
Python
from django.contrib import admin
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from django.utils.html import format_html
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from django.urls import reverse
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from django.utils.safestring import mark_safe
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from ..models.images import ImageLibrary
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@admin.register(ImageLibrary)
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class ImageLibraryAdmin(admin.ModelAdmin):
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"""
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Admin interface for the Image Library.
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"""
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list_display = [
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"image_thumbnail",
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"name",
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"category",
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"get_dimensions",
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"get_file_size_display",
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"usage_count",
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"uploaded_by",
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"uploaded_at",
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]
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list_filter = [
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"category",
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"uploaded_at",
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"uploaded_by",
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]
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search_fields = [
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"name",
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"description",
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"alt_text",
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"tags",
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]
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readonly_fields = [
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"width",
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"height",
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"file_size",
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"usage_count",
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"uploaded_at",
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"updated_at",
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"image_preview",
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]
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prepopulated_fields = {"slug": ("name",)}
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fieldsets = (
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("Image Information", {"fields": ("name", "slug", "description", "alt_text")}),
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("Image File", {"fields": ("image", "image_preview")}),
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("Categorization", {"fields": ("category", "tags")}),
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(
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"Metadata",
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{
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"fields": ("width", "height", "file_size", "usage_count"),
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"classes": ("collapse",),
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},
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),
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(
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"Timestamps",
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{
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"fields": ("uploaded_by", "uploaded_at", "updated_at"),
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"classes": ("collapse",),
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},
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),
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)
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def image_thumbnail(self, obj):
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"""
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Display small thumbnail in list view.
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"""
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if obj.image:
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return format_html(
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'<img src="{}" width="50" height="50" style="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_thumbnail.short_description = "Thumbnail"
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def image_preview(self, obj):
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"""
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Display larger preview in detail view.
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"""
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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; 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 get_dimensions(self, obj):
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"""
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Display image dimensions.
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"""
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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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get_dimensions.short_description = "Dimensions"
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def save_model(self, request, obj, form, change):
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"""
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Set uploaded_by field to current user if not already set.
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"""
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if not change: # Only set on creation
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obj.uploaded_by = request.user
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super().save_model(request, obj, form, change)
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class Media:
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css = {"all": ("admin/css/image_library.css",)}
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