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416 lines
18 KiB
Python
416 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, cervinko, jkrehm, bodybybuddha, ok11,
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# andy29485, idalin, Kyosfonica, wuqi, Kennyl, lemmsh,
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# falgh1, grunjol, csitko, ytils, xybydy, trasba, vrabe,
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# ruben-herold, marblepebble, JackED42, SiphonSquirrel,
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# apetresc, nanu-c, mutschler
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import division, print_function, unicode_literals
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from datetime import datetime
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from flask import Blueprint, request, flash, redirect, url_for
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from flask_babel import gettext as _
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from flask_login import login_required, current_user
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from sqlalchemy.sql.expression import func
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from sqlalchemy.exc import OperationalError, InvalidRequestError
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from . import logger, ub, calibre_db
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from .web import login_required_if_no_ano, render_title_template
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shelf = Blueprint('shelf', __name__)
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log = logger.create()
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def check_shelf_edit_permissions(cur_shelf):
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if not cur_shelf.is_public and not cur_shelf.user_id == int(current_user.id):
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log.error("User %s not allowed to edit shelf %s", current_user, cur_shelf)
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return False
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if cur_shelf.is_public and not current_user.role_edit_shelfs():
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log.info("User %s not allowed to edit public shelves", current_user)
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return False
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return True
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def check_shelf_view_permissions(cur_shelf):
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if cur_shelf.is_public:
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return True
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if current_user.is_anonymous or cur_shelf.user_id != current_user.id:
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log.error("User is unauthorized to view non-public shelf: %s", cur_shelf)
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return False
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return True
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@shelf.route("/shelf/add/<int:shelf_id>/<int:book_id>")
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@login_required
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def add_to_shelf(shelf_id, book_id):
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xhr = request.headers.get('X-Requested-With') == 'XMLHttpRequest'
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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if shelf is None:
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log.error("Invalid shelf specified: %s", shelf_id)
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if not xhr:
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flash(_(u"Invalid shelf specified"), category="error")
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return redirect(url_for('web.index'))
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return "Invalid shelf specified", 400
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if not check_shelf_edit_permissions(shelf):
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if not xhr:
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flash(_(u"Sorry you are not allowed to add a book to the the shelf: %(shelfname)s", shelfname=shelf.name),
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category="error")
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return redirect(url_for('web.index'))
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return "Sorry you are not allowed to add a book to the the shelf: %s" % shelf.name, 403
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book_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id,
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ub.BookShelf.book_id == book_id).first()
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if book_in_shelf:
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log.error("Book %s is already part of %s", book_id, shelf)
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if not xhr:
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flash(_(u"Book is already part of the shelf: %(shelfname)s", shelfname=shelf.name), category="error")
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return redirect(url_for('web.index'))
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return "Book is already part of the shelf: %s" % shelf.name, 400
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maxOrder = ub.session.query(func.max(ub.BookShelf.order)).filter(ub.BookShelf.shelf == shelf_id).first()
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if maxOrder[0] is None:
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maxOrder = 0
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else:
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maxOrder = maxOrder[0]
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shelf.books.append(ub.BookShelf(shelf=shelf.id, book_id=book_id, order=maxOrder + 1))
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shelf.last_modified = datetime.utcnow()
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try:
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ub.session.merge(shelf)
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ub.session.commit()
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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if "HTTP_REFERER" in request.environ:
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return redirect(request.environ["HTTP_REFERER"])
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else:
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return redirect(url_for('web.index'))
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if not xhr:
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flash(_(u"Book has been added to shelf: %(sname)s", sname=shelf.name), category="success")
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if "HTTP_REFERER" in request.environ:
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return redirect(request.environ["HTTP_REFERER"])
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else:
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return redirect(url_for('web.index'))
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return "", 204
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@shelf.route("/shelf/massadd/<int:shelf_id>")
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@login_required
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def search_to_shelf(shelf_id):
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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if shelf is None:
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log.error("Invalid shelf specified: %s", shelf_id)
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flash(_(u"Invalid shelf specified"), category="error")
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return redirect(url_for('web.index'))
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if not check_shelf_edit_permissions(shelf):
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flash(_(u"You are not allowed to add a book to the the shelf: %(name)s", name=shelf.name), category="error")
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return redirect(url_for('web.index'))
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if current_user.id in ub.searched_ids and ub.searched_ids[current_user.id]:
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books_for_shelf = list()
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books_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).all()
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if books_in_shelf:
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book_ids = list()
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for book_id in books_in_shelf:
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book_ids.append(book_id.book_id)
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for searchid in ub.searched_ids[current_user.id]:
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if searchid not in book_ids:
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books_for_shelf.append(searchid)
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else:
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books_for_shelf = ub.searched_ids[current_user.id]
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if not books_for_shelf:
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log.error("Books are already part of %s", shelf)
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flash(_(u"Books are already part of the shelf: %(name)s", name=shelf.name), category="error")
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return redirect(url_for('web.index'))
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maxOrder = ub.session.query(func.max(ub.BookShelf.order)).filter(ub.BookShelf.shelf == shelf_id).first()
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if maxOrder[0] is None:
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maxOrder = 0
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else:
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maxOrder = maxOrder[0]
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for book in books_for_shelf:
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maxOrder = maxOrder + 1
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shelf.books.append(ub.BookShelf(shelf=shelf.id, book_id=book, order=maxOrder))
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shelf.last_modified = datetime.utcnow()
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try:
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ub.session.merge(shelf)
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ub.session.commit()
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flash(_(u"Books have been added to shelf: %(sname)s", sname=shelf.name), category="success")
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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else:
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flash(_(u"Could not add books to shelf: %(sname)s", sname=shelf.name), category="error")
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return redirect(url_for('web.index'))
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@shelf.route("/shelf/remove/<int:shelf_id>/<int:book_id>")
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@login_required
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def remove_from_shelf(shelf_id, book_id):
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xhr = request.headers.get('X-Requested-With') == 'XMLHttpRequest'
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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if shelf is None:
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log.error("Invalid shelf specified: %s", shelf_id)
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if not xhr:
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return redirect(url_for('web.index'))
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return "Invalid shelf specified", 400
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# if shelf is public and use is allowed to edit shelfs, or if shelf is private and user is owner
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# allow editing shelfs
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# result shelf public user allowed user owner
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# false 1 0 x
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# true 1 1 x
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# true 0 x 1
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# false 0 x 0
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if check_shelf_edit_permissions(shelf):
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book_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id,
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ub.BookShelf.book_id == book_id).first()
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if book_shelf is None:
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log.error("Book %s already removed from %s", book_id, shelf)
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if not xhr:
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return redirect(url_for('web.index'))
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return "Book already removed from shelf", 410
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try:
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ub.session.delete(book_shelf)
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shelf.last_modified = datetime.utcnow()
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ub.session.commit()
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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if "HTTP_REFERER" in request.environ:
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return redirect(request.environ["HTTP_REFERER"])
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else:
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return redirect(url_for('web.index'))
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if not xhr:
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flash(_(u"Book has been removed from shelf: %(sname)s", sname=shelf.name), category="success")
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if "HTTP_REFERER" in request.environ:
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return redirect(request.environ["HTTP_REFERER"])
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else:
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return redirect(url_for('web.index'))
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return "", 204
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else:
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if not xhr:
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flash(_(u"Sorry you are not allowed to remove a book from this shelf: %(sname)s", sname=shelf.name),
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category="error")
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return redirect(url_for('web.index'))
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return "Sorry you are not allowed to remove a book from this shelf: %s" % shelf.name, 403
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@shelf.route("/shelf/create", methods=["GET", "POST"])
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@login_required
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def create_shelf():
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shelf = ub.Shelf()
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if request.method == "POST":
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to_save = request.form.to_dict()
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if "is_public" in to_save:
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shelf.is_public = 1
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shelf.name = to_save["title"]
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shelf.user_id = int(current_user.id)
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is_shelf_name_unique = False
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if shelf.is_public == 1:
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is_shelf_name_unique = ub.session.query(ub.Shelf) \
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.filter((ub.Shelf.name == to_save["title"]) & (ub.Shelf.is_public == 1)) \
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.first() is None
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if not is_shelf_name_unique:
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flash(_(u"A public shelf with the name '%(title)s' already exists.", title=to_save["title"]),
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category="error")
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else:
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is_shelf_name_unique = ub.session.query(ub.Shelf) \
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.filter((ub.Shelf.name == to_save["title"]) & (ub.Shelf.is_public == 0) &
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(ub.Shelf.user_id == int(current_user.id)))\
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.first() is None
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if not is_shelf_name_unique:
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flash(_(u"A private shelf with the name '%(title)s' already exists.", title=to_save["title"]),
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category="error")
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if is_shelf_name_unique:
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try:
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ub.session.add(shelf)
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ub.session.commit()
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flash(_(u"Shelf %(title)s created", title=to_save["title"]), category="success")
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return redirect(url_for('shelf.show_shelf', shelf_id=shelf.id))
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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except Exception:
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ub.session.rollback()
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flash(_(u"There was an error"), category="error")
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return render_title_template('shelf_edit.html', shelf=shelf, title=_(u"Create a Shelf"), page="shelfcreate")
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else:
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return render_title_template('shelf_edit.html', shelf=shelf, title=_(u"Create a Shelf"), page="shelfcreate")
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@shelf.route("/shelf/edit/<int:shelf_id>", methods=["GET", "POST"])
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@login_required
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def edit_shelf(shelf_id):
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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if request.method == "POST":
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to_save = request.form.to_dict()
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is_shelf_name_unique = False
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if shelf.is_public == 1:
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is_shelf_name_unique = ub.session.query(ub.Shelf) \
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.filter((ub.Shelf.name == to_save["title"]) & (ub.Shelf.is_public == 1)) \
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.filter(ub.Shelf.id != shelf_id) \
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.first() is None
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if not is_shelf_name_unique:
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flash(_(u"A public shelf with the name '%(title)s' already exists.", title=to_save["title"]),
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category="error")
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else:
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is_shelf_name_unique = ub.session.query(ub.Shelf) \
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.filter((ub.Shelf.name == to_save["title"]) & (ub.Shelf.is_public == 0) &
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(ub.Shelf.user_id == int(current_user.id)))\
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.filter(ub.Shelf.id != shelf_id)\
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.first() is None
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if not is_shelf_name_unique:
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flash(_(u"A private shelf with the name '%(title)s' already exists.", title=to_save["title"]),
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category="error")
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if is_shelf_name_unique:
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shelf.name = to_save["title"]
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shelf.last_modified = datetime.utcnow()
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if "is_public" in to_save:
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shelf.is_public = 1
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else:
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shelf.is_public = 0
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try:
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ub.session.commit()
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flash(_(u"Shelf %(title)s changed", title=to_save["title"]), category="success")
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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except Exception:
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ub.session.rollback()
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flash(_(u"There was an error"), category="error")
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return render_title_template('shelf_edit.html', shelf=shelf, title=_(u"Edit a shelf"), page="shelfedit")
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else:
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return render_title_template('shelf_edit.html', shelf=shelf, title=_(u"Edit a shelf"), page="shelfedit")
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def delete_shelf_helper(cur_shelf):
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if not cur_shelf or not check_shelf_edit_permissions(cur_shelf):
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return
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shelf_id = cur_shelf.id
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ub.session.delete(cur_shelf)
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ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).delete()
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ub.session.add(ub.ShelfArchive(uuid=cur_shelf.uuid, user_id=cur_shelf.user_id))
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ub.session.commit()
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log.info("successfully deleted %s", cur_shelf)
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@shelf.route("/shelf/delete/<int:shelf_id>")
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@login_required
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def delete_shelf(shelf_id):
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cur_shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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try:
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delete_shelf_helper(cur_shelf)
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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return redirect(url_for('web.index'))
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@shelf.route("/shelf/<int:shelf_id>", defaults={'shelf_type': 1})
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@shelf.route("/shelf/<int:shelf_id>/<int:shelf_type>")
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@login_required_if_no_ano
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def show_shelf(shelf_type, shelf_id):
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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result = list()
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# user is allowed to access shelf
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if shelf and check_shelf_view_permissions(shelf):
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page = "shelf.html" if shelf_type == 1 else 'shelfdown.html'
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books_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id)\
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.order_by(ub.BookShelf.order.asc()).all()
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for book in books_in_shelf:
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cur_book = calibre_db.get_filtered_book(book.book_id)
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if cur_book:
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result.append(cur_book)
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else:
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cur_book = calibre_db.get_book(book.book_id)
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if not cur_book:
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log.info('Not existing book %s in %s deleted', book.book_id, shelf)
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try:
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ub.session.query(ub.BookShelf).filter(ub.BookShelf.book_id == book.book_id).delete()
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ub.session.commit()
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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return render_title_template(page, entries=result, title=_(u"Shelf: '%(name)s'", name=shelf.name),
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shelf=shelf, page="shelf")
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else:
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flash(_(u"Error opening shelf. Shelf does not exist or is not accessible"), category="error")
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return redirect(url_for("web.index"))
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@shelf.route("/shelf/order/<int:shelf_id>", methods=["GET", "POST"])
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@login_required
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def order_shelf(shelf_id):
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if request.method == "POST":
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to_save = request.form.to_dict()
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books_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).order_by(
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ub.BookShelf.order.asc()).all()
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counter = 0
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for book in books_in_shelf:
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setattr(book, 'order', to_save[str(book.book_id)])
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counter += 1
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# if order diffrent from before -> shelf.last_modified = datetime.utcnow()
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try:
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ub.session.commit()
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except (OperationalError, InvalidRequestError):
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ub.session.rollback()
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flash(_(u"Settings DB is not Writeable"), category="error")
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shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
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result = list()
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if shelf and check_shelf_view_permissions(shelf):
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books_in_shelf2 = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id) \
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.order_by(ub.BookShelf.order.asc()).all()
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for book in books_in_shelf2:
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cur_book = calibre_db.get_filtered_book(book.book_id)
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if cur_book:
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result.append({'title': cur_book.title,
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'id': cur_book.id,
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'author': cur_book.authors,
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'series': cur_book.series,
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'series_index': cur_book.series_index})
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else:
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cur_book = calibre_db.get_book(book.book_id)
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result.append({'title': _('Hidden Book'),
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'id': cur_book.id,
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'author': [],
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'series': []})
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return render_title_template('shelf_order.html', entries=result,
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title=_(u"Change order of Shelf: '%(name)s'", name=shelf.name),
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shelf=shelf, page="shelforder")
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