100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
#!/usr/bin/env python
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# -*- mode: python; indent-tabs-mode: nil; -*- coding: utf-8 -*-
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"""
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CoverPages.py
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Copyright 2009-2010 by Marcello Perathoner
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Distributable under the GNU General Public License Version 3 or newer.
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Serve cover images of most popular and latest ebooks.
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"""
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from __future__ import unicode_literals
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import re
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import cherrypy
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import six
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import textwrap
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from libgutenberg import GutenbergGlobals as gg
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import BaseSearcher
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class CoverPages(object):
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""" Output a gallery of cover pages. """
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orders = {'latest': 'release_date',
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'popular': 'downloads'}
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@staticmethod
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def serve (rows, size):
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""" Output a gallery of coverpages. """
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cherrypy.response.headers['Content-Type'] = 'text/html; charset=utf-8'
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cherrypy.response.headers['Content-Language'] = 'en'
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s = ''
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for row in rows:
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url = '/' + row.filename
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href = '/ebooks/%d' % row.pk
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if row.title:
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title = gg.xmlspecialchars (row.title) # handles <,>,&
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#Shortening long titles for latest covers
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title = title.replace('"', '"')
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title = title.replace("'", ''')
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else:
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title = '!! missing title !!'
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short_title = title
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title_len = len(title)
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short_title = re.sub(r"\-+", " ", short_title)
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short_title = short_title.splitlines()[0]
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if(title_len > 80):
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short_title = textwrap.wrap(short_title, 80)[0]
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s += """
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<a href="{href}" title="{title}" target="_top">
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<div class="cover_image">
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<div class="cover_img">
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<img src="{url}" alt="{title}" title="{title}" draggable="false">
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</div>
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<div class="cover_title">
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<h5>{short_title}</h5>
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</div>
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</div>
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</a>
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""".format(url=url, href=href, title=title, short_title=short_title, size=size)
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return s.encode('utf-8')
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def index(self, count, size, order, **kwargs):
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""" Internal help function. """
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try:
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count = int(count)
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if count < 1:
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raise ValueError('count < 0')
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if size not in ('small', 'medium'):
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raise ValueError('bogus size')
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order = 'books.%s' % self.orders[order]
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rows = BaseSearcher.SQLSearcher.execute(
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"""SELECT files.filename, books.pk, books.title FROM files, books
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WHERE files.fk_books = books.pk
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AND files.diskstatus = 0
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AND files.fk_filetypes = %%(size)s
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ORDER BY %s DESC
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OFFSET 1 LIMIT %%(count)s -- %s""" % (order, cherrypy.request.remote.ip),
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{'count': count, 'size': 'cover.%s' % size,}
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)
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if rows:
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return self.serve(rows, size)
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except (ValueError, KeyError) as what:
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raise cherrypy.HTTPError (400, 'Bad Request. %s' % six.text_type(what))
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except IOError:
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pass
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raise cherrypy.HTTPError (500, 'Internal Server Error.')
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