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