98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
from django.shortcuts import render
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from django.contrib.auth.decorators import login_required
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from books.models import Book
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from common.models import MarkStatusEnum
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from common.utils import PageLinksGenerator
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from users.models import Report, User
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from django.core.paginator import Paginator
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from django.db.models import Q, Count
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from django.http import HttpResponseBadRequest
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# how many books have in each set at the home page
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BOOKS_PER_SET = 5
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# how many items are showed in one search result page
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ITEMS_PER_PAGE = 20
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# how many pages links in the pagination
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PAGE_LINK_NUMBER = 7
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# max tags on list page
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TAG_NUMBER_ON_LIST = 5
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@login_required
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def home(request):
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if request.method == 'GET':
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do_book_marks = request.user.user_bookmarks.filter(status=MarkStatusEnum.DO)
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do_books_more = True if do_book_marks.count() > BOOKS_PER_SET else False
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wish_book_marks = request.user.user_bookmarks.filter(status=MarkStatusEnum.WISH)
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wish_books_more = True if wish_book_marks.count() > BOOKS_PER_SET else False
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collect_book_marks = request.user.user_bookmarks.filter(status=MarkStatusEnum.COLLECT)
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collect_books_more = True if collect_book_marks.count() > BOOKS_PER_SET else False
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reports = Report.objects.order_by('-submitted_time').filter(is_read=False)
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# reports = Report.objects.latest('submitted_time').filter(is_read=False)
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return render(
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request,
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'common/home.html',
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{
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'do_book_marks': do_book_marks[:BOOKS_PER_SET],
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'wish_book_marks': wish_book_marks[:BOOKS_PER_SET],
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'collect_book_marks': collect_book_marks[:BOOKS_PER_SET],
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'do_books_more': do_books_more,
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'wish_books_more': wish_books_more,
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'collect_books_more': collect_books_more,
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'reports': reports,
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}
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)
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else:
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return HttpResponseBadRequest()
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@login_required
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def search(request):
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if request.method == 'GET':
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# in the future when more modules are added...
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# category = request.GET.get("category")
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q = Q()
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query_args = []
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# keywords
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keywords = request.GET.get("q", default='').split()
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for keyword in keywords:
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q = q | Q(title__icontains=keyword)
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q = q | Q(subtitle__istartswith=keyword)
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q = q | Q(orig_title__icontains=keyword)
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# tag
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tag = request.GET.get("tag", default='')
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if tag:
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q = q | Q(book_tags__content__iexact=tag)
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query_args.append(q)
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queryset = Book.objects.filter(*query_args).distinct()
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paginator = Paginator(queryset, ITEMS_PER_PAGE)
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page_number = request.GET.get('page', default=1)
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items = paginator.get_page(page_number)
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items.pagination = PageLinksGenerator(PAGE_LINK_NUMBER, page_number, paginator.num_pages)
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for item in items:
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item.tag_list = item.get_tags_manager().values('content').annotate(
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tag_frequency=Count('content')).order_by('-tag_frequency')[:TAG_NUMBER_ON_LIST]
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return render(
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request,
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"common/search_result.html",
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{
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"items": items,
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}
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)
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else:
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return HttpResponseBadRequest()
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