# Copyright (c) 2024 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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"""Instantiate the News Dash application.
"""
import dash
import pandas as pd
from ..utils.constants import Constants as C
from .layout import Layout
def init_news(
server,
data_stats: pd.DataFrame,
data_trending: pd.DataFrame
) -> dash.Dash:
"""Create a Plotly Dash dashboard.
:param server: Flask server.
:type server: Flask
:param data_stats: Pandas dataframe with staistical data.
:param data_trending: Pandas dataframe with trending data.
:type data_stats: pandas.DataFrame
:type data_trending: pandas.DataFrame
:returns: Dash app server.
:rtype: Dash
"""
dash_app = dash.Dash(
server=server,
routes_pathname_prefix=C.NEWS_ROUTES_PATHNAME_PREFIX,
external_stylesheets=C.EXTERNAL_STYLESHEETS,
title=C.NEWS_TITLE
)
layout = Layout(
app=dash_app,
data_stats=data_stats,
data_trending=data_trending,
html_layout_file=C.HTML_LAYOUT_FILE
)
dash_app.index_string = layout.html_layout
dash_app.layout = layout.add_content()
return dash_app.server
