2019-03-28 13:45:03 +00:00
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#!/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 cherrypy
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import six
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2020-03-11 19:52:26 +00:00
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import textwrap
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2019-03-28 13:45:03 +00:00
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from libgutenberg import GutenbergGlobals as gg
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2020-04-15 17:43:27 +00:00
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import re
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2019-03-28 13:45:03 +00:00
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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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2020-04-15 17:43:27 +00:00
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s = """<!--<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en" xml:base="http://www.gutenberg.org">-->
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<!--<head>
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2019-03-28 13:45:03 +00:00
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<title>Cover Flow</title>
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2020-04-15 17:43:27 +00:00
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</head>-->
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<!--<body><div>-->"""
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2019-03-28 13:45:03 +00:00
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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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title = gg.xmlspecialchars (row.title)
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2020-05-22 22:30:04 +00:00
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#Shortening long titles for latest covers
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2020-05-29 20:50:09 +00:00
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title = title.replace ('"', '"')
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2020-04-29 17:01:39 +00:00
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short_title = title
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2020-04-20 15:49:39 +00:00
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title_len = len(title)
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2020-04-29 17:01:39 +00:00
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short_title = re.sub(r"\-+"," ",short_title)
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2020-04-20 15:49:39 +00:00
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#title = re.sub (r"\-+"," ",title)
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2020-05-22 22:30:04 +00:00
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#new_title= re.sub(r'\-+',' ',title)
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2020-04-29 17:01:39 +00:00
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short_title = short_title.splitlines()[0]
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2020-03-11 19:52:26 +00:00
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if(title_len>80):
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2020-04-29 17:01:39 +00:00
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short_title = textwrap.wrap(short_title,80)[0]
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2020-05-27 18:17:15 +00:00
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s += """<a href="{href}" title="{title}" target="_top"><div class="cover_image">
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2020-04-20 15:49:39 +00:00
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<div class="cover_img"><img src="{url}" alt="{title}" title="{title}" draggable="false">
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2020-04-29 17:01:39 +00:00
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</div><div class="cover_title"><h5>{short_title}</h5></div></div></a>\n""".format (
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url = url, href = href, title = title, short_title = short_title, size = size)
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2020-03-11 19:52:26 +00:00
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return (s + '<!--</div></body></html>-->\n').encode ('utf-8')
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2019-03-28 13:45:03 +00:00
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2020-03-11 19:47:51 +00:00
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2019-03-28 13:45:03 +00:00
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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,
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'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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