70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
from django.shortcuts import render
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from django.core.paginator import Paginator
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from django.core.cache import cache
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from .models import manga_collection
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def manga_catalog(request):
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# Кешируем общее количество (раз в 5 минут)
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total_manga_count = cache.get('total_manga_count')
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if total_manga_count is None:
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total_manga_count = manga_collection.estimated_document_count()
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cache.set('total_manga_count', total_manga_count, 300)
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# Все теги — можно тоже кешировать, но пока оставим
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all_tags = manga_collection.distinct("tags")
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# Получаем выбранные теги
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selected_tags = request.GET.getlist('tags')
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query = {}
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if selected_tags:
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query['tags'] = {'$all': selected_tags}
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# Считаем количество для пагинации (можно тоже кешировать по хешу, но пока так)
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total_filtered = manga_collection.count_documents(query)
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# Получаем номер страницы
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page_number = request.GET.get('page') or 1
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try:
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page_number = int(page_number)
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except (TypeError, ValueError):
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page_number = 1
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per_page = 20
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skip = (page_number - 1) * per_page
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# Получаем только текущую страницу
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manga_cursor = manga_collection.find(query).skip(skip).limit(per_page)
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manga_list = list(manga_cursor)
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# Создаём Paginator и page_obj ПРАВИЛЬНО
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paginator = Paginator(range(total_filtered), per_page)
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page_obj = paginator.get_page(page_number)
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# Передаём данные в шаблон
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return render(request, 'manga_catalog.html', {
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'page_obj': page_obj,
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'manga_list': manga_list,
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'total_manga_count': total_manga_count,
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'all_tags': sorted(all_tags),
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'selected_tags': selected_tags,
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})
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def show_manga(request, manga_id):
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manga = manga_collection.find_one({"id": int(manga_id)})
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if not manga:
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return render(request, "not_found.html")
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return render(request, "manga_view.html", {"manga": manga})
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def show_manga_page(request, manga_id, page_number):
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manga = manga_collection.find_one({"id": int(manga_id)})
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if not manga or page_number < 1 or page_number > manga['len_manga']:
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return render(request, "not_found.html")
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img_url = manga['imgs_manga'][page_number - 1]
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return render(request, "manga_page.html", {
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"manga": manga,
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"img_url": img_url,
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"page_number": page_number
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})
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