403 lines
18 KiB
Python
403 lines
18 KiB
Python
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2022 OzzieIsaacs
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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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import json
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from datetime import datetime
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from flask import Blueprint, request, redirect, url_for, flash
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from flask import session as flask_session
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from flask_login import current_user
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from flask_babel import format_date
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from flask_babel import gettext as _
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from sqlalchemy.sql.expression import func, not_, and_, or_, text, true
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from sqlalchemy.sql.functions import coalesce
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from . import logger, db, calibre_db, config, ub
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from .usermanagement import login_required_if_no_ano
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from .render_template import render_title_template
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from .pagination import Pagination
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search = Blueprint('search', __name__)
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log = logger.create()
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@search.route("/search", methods=["GET"])
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@login_required_if_no_ano
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def simple_search():
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term = request.args.get("query")
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if term:
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return redirect(url_for('web.books_list', data="search", sort_param='stored', query=term.strip()))
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else:
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return render_title_template('search.html',
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searchterm="",
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result_count=0,
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title=_("Search"),
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page="search")
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@search.route("/advsearch", methods=['POST'])
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@login_required_if_no_ano
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def advanced_search():
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values = dict(request.form)
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params = ['include_tag', 'exclude_tag', 'include_serie', 'exclude_serie', 'include_shelf', 'exclude_shelf',
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'include_language', 'exclude_language', 'include_extension', 'exclude_extension']
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for param in params:
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values[param] = list(request.form.getlist(param))
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flask_session['query'] = json.dumps(values)
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return redirect(url_for('web.books_list', data="advsearch", sort_param='stored', query=""))
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@search.route("/advsearch", methods=['GET'])
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@login_required_if_no_ano
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def advanced_search_form():
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# Build custom columns names
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cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
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return render_prepare_search_form(cc)
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def adv_search_custom_columns(cc, term, q):
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for c in cc:
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if c.datatype == "datetime":
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custom_start = term.get('custom_column_' + str(c.id) + '_start')
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custom_end = term.get('custom_column_' + str(c.id) + '_end')
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if custom_start:
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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func.datetime(db.cc_classes[c.id].value) >= func.datetime(custom_start)))
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if custom_end:
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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func.datetime(db.cc_classes[c.id].value) <= func.datetime(custom_end)))
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else:
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custom_query = term.get('custom_column_' + str(c.id))
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if custom_query != '' and custom_query is not None:
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if c.datatype == 'bool':
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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db.cc_classes[c.id].value == (custom_query == "True")))
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elif c.datatype == 'int' or c.datatype == 'float':
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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db.cc_classes[c.id].value == custom_query))
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elif c.datatype == 'rating':
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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db.cc_classes[c.id].value == int(float(custom_query) * 2)))
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else:
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q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
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func.lower(db.cc_classes[c.id].value).ilike("%" + custom_query + "%")))
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return q
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def adv_search_language(q, include_languages_inputs, exclude_languages_inputs):
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if current_user.filter_language() != "all":
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q = q.filter(db.Books.languages.any(db.Languages.lang_code == current_user.filter_language()))
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else:
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for language in include_languages_inputs:
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q = q.filter(db.Books.languages.any(db.Languages.id == language))
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for language in exclude_languages_inputs:
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q = q.filter(not_(db.Books.series.any(db.Languages.id == language)))
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return q
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def adv_search_ratings(q, rating_high, rating_low):
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if rating_high:
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rating_high = int(rating_high) * 2
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q = q.filter(db.Books.ratings.any(db.Ratings.rating <= rating_high))
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if rating_low:
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rating_low = int(rating_low) * 2
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q = q.filter(db.Books.ratings.any(db.Ratings.rating >= rating_low))
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return q
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def adv_search_read_status(read_status):
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if not config.config_read_column:
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if read_status == "True":
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db_filter = and_(ub.ReadBook.user_id == int(current_user.id),
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ub.ReadBook.read_status == ub.ReadBook.STATUS_FINISHED)
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else:
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db_filter = coalesce(ub.ReadBook.read_status, 0) != ub.ReadBook.STATUS_FINISHED
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else:
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try:
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if read_status == "True":
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db_filter = db.cc_classes[config.config_read_column].value == True
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else:
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db_filter = coalesce(db.cc_classes[config.config_read_column].value, False) != True
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except (KeyError, AttributeError, IndexError):
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log.error("Custom Column No.{} does not exist in calibre database".format(config.config_read_column))
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flash(_("Custom Column No.%(column)d does not exist in calibre database",
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column=config.config_read_column),
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category="error")
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return true()
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return db_filter
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def adv_search_extension(q, include_extension_inputs, exclude_extension_inputs):
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for extension in include_extension_inputs:
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q = q.filter(db.Books.data.any(db.Data.format == extension))
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for extension in exclude_extension_inputs:
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q = q.filter(not_(db.Books.data.any(db.Data.format == extension)))
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return q
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def adv_search_tag(q, include_tag_inputs, exclude_tag_inputs):
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for tag in include_tag_inputs:
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q = q.filter(db.Books.tags.any(db.Tags.id == tag))
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for tag in exclude_tag_inputs:
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q = q.filter(not_(db.Books.tags.any(db.Tags.id == tag)))
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return q
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def adv_search_serie(q, include_series_inputs, exclude_series_inputs):
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for serie in include_series_inputs:
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q = q.filter(db.Books.series.any(db.Series.id == serie))
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for serie in exclude_series_inputs:
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q = q.filter(not_(db.Books.series.any(db.Series.id == serie)))
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return q
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def adv_search_shelf(q, include_shelf_inputs, exclude_shelf_inputs):
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q = q.outerjoin(ub.BookShelf, db.Books.id == ub.BookShelf.book_id)\
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.filter(or_(ub.BookShelf.shelf == None, ub.BookShelf.shelf.notin_(exclude_shelf_inputs)))
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if len(include_shelf_inputs) > 0:
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q = q.filter(ub.BookShelf.shelf.in_(include_shelf_inputs))
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return q
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def extend_search_term(searchterm,
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author_name,
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book_title,
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publisher,
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pub_start,
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pub_end,
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tags,
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rating_high,
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rating_low,
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read_status,
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):
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searchterm.extend((author_name.replace('|', ','), book_title, publisher))
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if pub_start:
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try:
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searchterm.extend([_("Published after ") +
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format_date(datetime.strptime(pub_start, "%Y-%m-%d"),
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format='medium')])
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except ValueError:
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pub_start = ""
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if pub_end:
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try:
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searchterm.extend([_("Published before ") +
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format_date(datetime.strptime(pub_end, "%Y-%m-%d"),
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format='medium')])
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except ValueError:
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pub_end = ""
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elements = {'tag': db.Tags, 'serie':db.Series, 'shelf':ub.Shelf}
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for key, db_element in elements.items():
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tag_names = calibre_db.session.query(db_element).filter(db_element.id.in_(tags['include_' + key])).all()
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searchterm.extend(tag.name for tag in tag_names)
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tag_names = calibre_db.session.query(db_element).filter(db_element.id.in_(tags['exclude_' + key])).all()
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searchterm.extend(tag.name for tag in tag_names)
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language_names = calibre_db.session.query(db.Languages). \
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filter(db.Languages.id.in_(tags['include_language'])).all()
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if language_names:
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language_names = calibre_db.speaking_language(language_names)
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searchterm.extend(language.name for language in language_names)
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language_names = calibre_db.session.query(db.Languages). \
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filter(db.Languages.id.in_(tags['exclude_language'])).all()
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if language_names:
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language_names = calibre_db.speaking_language(language_names)
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searchterm.extend(language.name for language in language_names)
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if rating_high:
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searchterm.extend([_("Rating <= %(rating)s", rating=rating_high)])
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if rating_low:
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searchterm.extend([_("Rating >= %(rating)s", rating=rating_low)])
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if read_status:
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searchterm.extend([_("Read Status = %(status)s", status=read_status)])
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searchterm.extend(ext for ext in tags['include_extension'])
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searchterm.extend(ext for ext in tags['exclude_extension'])
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# handle custom columns
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searchterm = " + ".join(filter(None, searchterm))
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return searchterm, pub_start, pub_end
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def render_adv_search_results(term, offset=None, order=None, limit=None):
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sort = order[0] if order else [db.Books.sort]
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pagination = None
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cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
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calibre_db.session.connection().connection.connection.create_function("lower", 1, db.lcase)
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query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
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q = query.outerjoin(db.books_series_link, db.Books.id == db.books_series_link.c.book)\
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.outerjoin(db.Series)\
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.filter(calibre_db.common_filters(True))
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# parse multi selects to a complete dict
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tags = dict()
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elements = ['tag', 'serie', 'shelf', 'language', 'extension']
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for element in elements:
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tags['include_' + element] = term.get('include_' + element)
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tags['exclude_' + element] = term.get('exclude_' + element)
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author_name = term.get("author_name")
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book_title = term.get("book_title")
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publisher = term.get("publisher")
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pub_start = term.get("publishstart")
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pub_end = term.get("publishend")
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rating_low = term.get("ratinghigh")
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rating_high = term.get("ratinglow")
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description = term.get("comment")
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read_status = term.get("read_status")
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if author_name:
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author_name = author_name.strip().lower().replace(',', '|')
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if book_title:
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book_title = book_title.strip().lower()
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if publisher:
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publisher = publisher.strip().lower()
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search_term = []
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cc_present = False
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for c in cc:
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if c.datatype == "datetime":
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column_start = term.get('custom_column_' + str(c.id) + '_start')
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column_end = term.get('custom_column_' + str(c.id) + '_end')
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if column_start:
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search_term.extend(["{} >= {}".format(c.name,
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format_date(datetime.strptime(column_start, "%Y-%m-%d").date(),
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format='medium')
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)])
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cc_present = True
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if column_end:
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search_term.extend(["{} <= {}".format(c.name,
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format_date(datetime.strptime(column_end, "%Y-%m-%d").date(),
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format='medium')
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)])
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cc_present = True
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elif term.get('custom_column_' + str(c.id)):
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search_term.extend([("{}: {}".format(c.name, term.get('custom_column_' + str(c.id))))])
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cc_present = True
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if any(tags.values()) or author_name or book_title or publisher or pub_start or pub_end or rating_low \
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or rating_high or description or cc_present or read_status:
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search_term, pub_start, pub_end = extend_search_term(search_term,
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author_name,
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book_title,
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publisher,
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pub_start,
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pub_end,
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tags,
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rating_high,
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rating_low,
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read_status)
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if author_name:
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q = q.filter(db.Books.authors.any(func.lower(db.Authors.name).ilike("%" + author_name + "%")))
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if book_title:
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q = q.filter(func.lower(db.Books.title).ilike("%" + book_title + "%"))
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if pub_start:
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q = q.filter(func.datetime(db.Books.pubdate) > func.datetime(pub_start))
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if pub_end:
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q = q.filter(func.datetime(db.Books.pubdate) < func.datetime(pub_end))
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q = q.filter(adv_search_read_status(read_status))
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if publisher:
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q = q.filter(db.Books.publishers.any(func.lower(db.Publishers.name).ilike("%" + publisher + "%")))
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q = adv_search_tag(q, tags['include_tag'], tags['exclude_tag'])
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q = adv_search_serie(q, tags['include_serie'], tags['exclude_serie'])
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q = adv_search_shelf(q, tags['include_shelf'], tags['exclude_shelf'])
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q = adv_search_extension(q, tags['include_extension'], tags['exclude_extension'])
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q = adv_search_language(q, tags['include_language'], tags['exclude_language'])
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q = adv_search_ratings(q, rating_high, rating_low)
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if description:
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q = q.filter(db.Books.comments.any(func.lower(db.Comments.text).ilike("%" + description + "%")))
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# search custom columns
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try:
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q = adv_search_custom_columns(cc, term, q)
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except AttributeError as ex:
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log.debug_or_exception(ex)
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flash(_("Error on search for custom columns, please restart Calibre-Web"), category="error")
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q = q.order_by(*sort).all()
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flask_session['query'] = json.dumps(term)
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ub.store_combo_ids(q)
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result_count = len(q)
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if offset is not None and limit is not None:
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offset = int(offset)
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limit_all = offset + int(limit)
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pagination = Pagination((offset / (int(limit)) + 1), limit, result_count)
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else:
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offset = 0
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limit_all = result_count
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entries = calibre_db.order_authors(q[offset:limit_all], list_return=True, combined=True)
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return render_title_template('search.html',
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adv_searchterm=search_term,
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pagination=pagination,
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entries=entries,
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result_count=result_count,
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title=_("Advanced Search"), page="advsearch",
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order=order[1])
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def render_prepare_search_form(cc):
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# prepare data for search-form
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tags = calibre_db.session.query(db.Tags)\
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.join(db.books_tags_link)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()) \
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.group_by(text('books_tags_link.tag'))\
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.order_by(db.Tags.name).all()
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series = calibre_db.session.query(db.Series)\
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.join(db.books_series_link)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()) \
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.group_by(text('books_series_link.series'))\
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.order_by(db.Series.name)\
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.filter(calibre_db.common_filters()).all()
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shelves = ub.session.query(ub.Shelf)\
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.filter(or_(ub.Shelf.is_public == 1, ub.Shelf.user_id == int(current_user.id)))\
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.order_by(ub.Shelf.name).all()
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extensions = calibre_db.session.query(db.Data)\
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.join(db.Books)\
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.filter(calibre_db.common_filters()) \
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.group_by(db.Data.format)\
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.order_by(db.Data.format).all()
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if current_user.filter_language() == "all":
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languages = calibre_db.speaking_language()
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else:
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languages = None
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return render_title_template('search_form.html', tags=tags, languages=languages, extensions=extensions,
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series=series,shelves=shelves, title=_("Advanced Search"), cc=cc, page="advsearch")
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def render_search_results(term, offset=None, order=None, limit=None):
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if term:
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join = db.books_series_link, db.Books.id == db.books_series_link.c.book, db.Series
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entries, result_count, pagination = calibre_db.get_search_results(term,
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config,
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offset,
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order,
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limit,
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*join)
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else:
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entries = list()
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order = [None, None]
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pagination = result_count = None
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return render_title_template('search.html',
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searchterm=term,
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pagination=pagination,
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query=term,
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adv_searchterm=term,
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entries=entries,
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result_count=result_count,
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title=_("Search"),
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page="search",
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order=order[1])
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