mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-01 05:49:58 +00:00
136 lines
4.6 KiB
Python
136 lines
4.6 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) 2021 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 concurrent.futures
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import importlib
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import inspect
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import json
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import os
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import sys
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# from time import time
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from dataclasses import asdict
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from flask import Blueprint, Response, request, url_for
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from flask_login import current_user
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from flask_login import login_required
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from sqlalchemy.exc import InvalidRequestError, OperationalError
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from sqlalchemy.orm.attributes import flag_modified
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from cps.services.Metadata import Metadata
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from . import constants, get_locale, logger, ub
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# current_milli_time = lambda: int(round(time() * 1000))
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meta = Blueprint("metadata", __name__)
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log = logger.create()
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new_list = list()
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meta_dir = os.path.join(constants.BASE_DIR, "cps", "metadata_provider")
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modules = os.listdir(os.path.join(constants.BASE_DIR, "cps", "metadata_provider"))
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for f in modules:
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if os.path.isfile(os.path.join(meta_dir, f)) and not f.endswith("__init__.py"):
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a = os.path.basename(f)[:-3]
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try:
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importlib.import_module("cps.metadata_provider." + a)
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new_list.append(a)
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except ImportError as e:
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log.error("Import error for metadata source: {} - {}".format(a, e))
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pass
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def list_classes(provider_list):
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classes = list()
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for element in provider_list:
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for name, obj in inspect.getmembers(
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sys.modules["cps.metadata_provider." + element]
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):
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if (
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inspect.isclass(obj)
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and name != "Metadata"
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and issubclass(obj, Metadata)
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):
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classes.append(obj())
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return classes
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cl = list_classes(new_list)
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@meta.route("/metadata/provider")
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@login_required
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def metadata_provider():
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active = current_user.view_settings.get("metadata", {})
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provider = list()
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for c in cl:
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ac = active.get(c.__id__, True)
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provider.append(
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{"name": c.__name__, "active": ac, "initial": ac, "id": c.__id__}
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)
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return Response(json.dumps(provider), mimetype="application/json")
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@meta.route("/metadata/provider", methods=["POST"])
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@meta.route("/metadata/provider/<prov_name>", methods=["POST"])
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@login_required
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def metadata_change_active_provider(prov_name):
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new_state = request.get_json()
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active = current_user.view_settings.get("metadata", {})
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active[new_state["id"]] = new_state["value"]
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current_user.view_settings["metadata"] = active
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try:
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try:
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flag_modified(current_user, "view_settings")
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except AttributeError:
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pass
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ub.session.commit()
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except (InvalidRequestError, OperationalError):
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log.error("Invalid request received: {}".format(request))
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return "Invalid request", 400
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if "initial" in new_state and prov_name:
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data = []
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provider = next((c for c in cl if c.__id__ == prov_name), None)
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if provider is not None:
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data = provider.search(new_state.get("query", ""))
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return Response(
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json.dumps([asdict(x) for x in data]), mimetype="application/json"
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)
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return ""
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@meta.route("/metadata/search", methods=["POST"])
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@login_required
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def metadata_search():
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query = request.form.to_dict().get("query")
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data = list()
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active = current_user.view_settings.get("metadata", {})
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locale = get_locale()
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if query:
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static_cover = url_for("static", filename="generic_cover.jpg")
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# start = current_milli_time()
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with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
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meta = {
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executor.submit(c.search, query, static_cover, locale): c
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for c in cl
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if active.get(c.__id__, True)
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}
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for future in concurrent.futures.as_completed(meta):
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data.extend([asdict(x) for x in future.result()])
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# log.info({'Time elapsed {}'.format(current_milli_time()-start)})
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return Response(json.dumps(data), mimetype="application/json")
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