Пример #1
0
def search_amazon(term):
    results = []
    if term:
        amazon_results = None
        
        if _is_isbn(term):
            amazon_results = get_by_isbn(term)
        else:
            amazon_results = search_by_keywords(term, settings.AMAZON_QUERY_COUNT)
        
        if amazon_results:
            for info in amazon_results:
                book = Book.objects.create(
                    isbn=info['isbn'],
                    title=info['title'],
                    edition=info['edition'],
                    authors=info['authors'],
                    format=info['format'],
                    publisher=info['publisher'],
                    publication_date=info['publication_date'],
                    list_price=info['list_price']
                )
                book.save()
                # todo: move it to task queue
                try:
                    # save book image to file
                    image_temp = NamedTemporaryFile(delete=True)
                    image_temp.write(urllib2.urlopen(info['image_url']).read())
                    image_temp.flush()
                    book.image.save(info['image'], File(image_temp), save=True)
                except Exception:
                    logger.error('unknown exception when saving book image from Amazon')

                # make book price object
                BookPrices.objects.create(book=book)
                results.append(book)
    
    return results
    
Пример #2
0
def search(request):
    term = request.GET.get('q', '').strip()
    amazon_info = []
#    bookstore_info = []
    book_results = []
    if term != '':
        saved_term = request.session.get('term', '')
        saved_results = request.session.get('books', [])
        if saved_term == term and saved_results:
            book_results = saved_results
        else:
            if _is_isbn(term):
                book_results = Book.objects.filter(isbn__contains=term)
                if not book_results:
                    logger.error('not result found for isbn')
                    amazon_info = get_by_isbn(term)
            elif _is_course_name(term):
                book_results = Book.objects.filter(courses__keywords__icontains=term).distinct()
    #            if not book_results:
    #                bookstore_info = bookstore_info+(fetchBooks(quarter='Summer', course=term))
    #                bookstore_info = bookstore_info+(fetchBooks(quarter='Autumn', course=term))
    #                bookstore_info = removeBookDuplicates(bookstore_info)
            else:
                book_results = Book.objects.filter(title__icontains=term)
            #    if not book_results:
            #        book_results = Book.objects.filter(courses__name__icontains=term).distinct()
                if not book_results:
                    pass
                    #amazon_info = search_by_keywords(term, settings.AMAZON_QUERY_COUNT)
                        
        #    if bookstore_info:
        #        logger.info('query through bookstore')
        #        
        #        book_results = []
        #        for info in bookstore_info:
        #            book, created = Book.objects.get_or_create(
        #                isbn=info['isbn'],
        #            )
        #            # make book price object
        #            if created:
        #                book.title=info['title']
        #                book.list_price=info['new_price']
        #                book.save()
        #                BookPrices.objects.create(book=book, ubookstore_new=info['new_price'], ubookstore_used=info['used_price'])
        #            book_results.append(book)
                
            if amazon_info:
                logger.info('query through amazon')
                
                book_results = []
                for info in amazon_info:
                    try_book = Book.objects.filter(isbn__contains=info['isbn'])
                    if try_book:
                        book_results.extend(try_book)
                    else:
                        book = Book.objects.create(
                            isbn=info['isbn'],
                            title=info['title'],
                            edition=info['edition'],
                            authors=info['authors'],
                            format=info['format'],
                            publisher=info['publisher'],
                            publication_date=info['publication_date'],
                            list_price=info['list_price']
                        )
                        book.save()
                        # todo: move it to task queue
                        try:
                            # save book image to file
                            image_temp = NamedTemporaryFile(delete=True)
                            image_temp.write(urllib2.urlopen(info['image_url']).read())
                            image_temp.flush()
                            book.image.save(info['image'], File(image_temp), save=True)
                        except Exception:
                            logger.error('unknown exception when saving book image from Amazon')
            
                        # make book price object
                        BookPrices.objects.create(book=book)
                        book_results.append(book)   
            request.session['term'] = term
            request.session['books'] = book_results
    
    paginator = Paginator(book_results, NUM_PER_PAGE)
    
    try:
        page = int(request.GET.get('page', '1'))
    except ValueError:
        page = 1
    
    try:
        page_results = paginator.page(page)
    except (EmptyPage, InvalidPage):
        page_results = paginator.page(paginator.num_pages)
        
    args = {
        'term': term,
        'books': page_results,
        'total': paginator.count,
    }

    return render_to_response('search_results.html', args, context_instance=RequestContext(request))