2023-11-10 18:56:51 +01:00

367 lines
12 KiB
Python

"""Dash elements."""
import pandas as pd
import plotly.graph_objs as go
from cachetools import TTLCache, cached
from dash import dash_table, dcc, html
from sqlalchemy.engine import Engine
from sqlalchemy.orm import Session
from aki_prj23_transparenzregister.ui.archive.networkx_dash import networkx_component
from aki_prj23_transparenzregister.utils.sql import entities
COLORS = {
"light": "#edefef",
"lavender-blush": "#f3e8ee",
"ash-gray": "#bacdb0",
"cambridge-blue": "#729b79",
"paynes-gray": "#475b63",
"raisin-black": "#2e2c2f",
}
def get_company_data(session: Session) -> pd.DataFrame:
"""Creates a session to the database and get's all available company data.
Args:
session: A session connecting to the database.
Returns:
A dataframe containing all available company data including the corresponding district court.
"""
query_company = session.query(entities.Company, entities.DistrictCourt.name).join(
entities.DistrictCourt
)
engine = session.bind
if not isinstance(engine, Engine):
raise TypeError
return pd.read_sql(str(query_company), engine, index_col="company_id")
def get_finance_data(session: Session) -> pd.DataFrame:
"""Collects all available company data.
Args:
session: A session connecting to the database.
Returns:
A dataframe containing all financial data of all companies.
"""
query_finance = session.query(
entities.AnnualFinanceStatement, entities.Company.name, entities.Company.id
).join(entities.Company)
engine = session.bind
if not isinstance(engine, Engine):
raise TypeError
return pd.read_sql(str(query_finance), engine)
@cached( # type: ignore
cache=TTLCache(maxsize=1, ttl=300),
key=lambda session: 0 if session is None else str(session.bind),
)
def get_options(session: Session | None) -> dict[int, str]:
"""Collects the search options for the companies.
Args:
session: A session connecting to the database.
Returns:
A dict containing the company id as key and its name.
"""
if not session:
return {}
return get_company_data(session)["company_name"].to_dict()
def create_header(options: dict) -> html:
"""Creates header for dashboard.
Args:
options: A dictionary with company names and ids for the dropdown.
Returns:
The html div to create the page's header including the name of the page and the search for companies.
"""
return html.Div(
className="header-wrapper",
children=[
html.Div(
className="header-title",
children=[
html.I(
id="home-button",
n_clicks=0,
className="bi-house-door-fill",
),
html.H1(
className="header-title-text",
children="Transparenzregister für Kapitalgesellschaften",
),
],
),
html.Div(
className="header-search",
children=[
html.Div(
className="header-search-dropdown",
children=[
dcc.Dropdown(
id="select_company",
options=[
{"label": o, "value": key}
for key, o in options.items()
],
placeholder="Suche nach Unternehmen oder Person",
),
],
),
],
),
],
)
def create_company_header(selected_company_name: str) -> html:
"""Create company header based on selected company.
Args:
selected_company_name: The company name that has been chosen in the dropdown.
Returns:
The html div to create the company header.
"""
return html.Div(
className="company-header",
children=[
html.H1(
className="company-header-title",
id="id-company-header-title",
children=selected_company_name,
),
],
)
def create_company_stats(selected_company_data: pd.Series) -> html:
"""Create company stats.
Args:
selected_company_data: A series containing all company information of the selected company.
Returns:
The html div to create the company stats table and the three small widgets.
"""
company_data = {
"col1": ["Unternehmen", "Straße", "Stadt"],
"col2": [
selected_company_data["company_name"],
selected_company_data["company_street"],
str(
selected_company_data["company_zip_code"]
+ " "
+ selected_company_data["company_city"]
),
],
"col3": ["Branche", "Amtsgericht", "Gründungsjahr"],
"col4": [
selected_company_data["company_sector"],
selected_company_data["district_court_name"],
"xxx",
],
}
df_company_data = pd.DataFrame(data=company_data)
return html.Div(
className="stats-wrapper",
children=[
html.Div(
className="widget-large",
children=[
html.H3(
className="widget-title",
children="Stammdaten",
),
dash_table.DataTable(
df_company_data.to_dict("records"),
[{"name": i, "id": i} for i in df_company_data.columns],
style_table={
"width": "90%",
"marginLeft": "auto",
"marginRight": "auto",
"paddingBottom": "20px",
"color": COLORS["raisin-black"],
},
# hide header of table
css=[
{
"selector": "tr:first-child",
"rule": "display: none",
},
],
style_cell={"textAlign": "center"},
style_cell_conditional=[
{"if": {"column_id": c}, "fontWeight": "bold"}
for c in ["col1", "col3"]
],
style_data={
"whiteSpace": "normal",
"height": "auto",
},
),
],
),
html.Div(
className="widget-small",
children=[
html.H3(
className="widget-title",
children="Stimmung",
),
],
),
html.Div(
className="widget-small",
children=[
html.H3(
className="widget-title",
children="Aktienkurs",
),
html.H1(
className="widget-content",
children="123",
),
],
),
html.Div(
className="widget-small",
children=[
html.H3(
className="widget-title",
children="Umsatz",
),
html.H1(
className="widget-content",
children="1234",
),
],
),
],
)
def create_tabs(selected_company_id: int, selected_finance_df: pd.DataFrame) -> html:
"""Create tabs for more company information.
Args:
selected_company_id: Id of the chosen company in the dropdown.
selected_finance_df: A dataframe containing all available finance information of the companies.
Returns:
The html div to create the tabs of the company page.
"""
return html.Div(
className="tabs",
children=[
dcc.Tabs(
id="tabs",
value="tab-1",
children=[
dcc.Tab(
label="Kennzahlen",
value="tab-1",
className="tab-style",
selected_className="selected-tab-style",
children=[kennzahlen_layout(selected_finance_df)],
),
dcc.Tab(
label="Beteiligte Personen",
value="tab-2",
className="tab-style",
selected_className="selected-tab-style",
),
dcc.Tab(
label="Stimmung",
value="tab-3",
className="tab-style",
selected_className="selected-tab-style",
),
dcc.Tab(
label="Verflechtungen",
value="tab-4",
className="tab-style",
selected_className="selected-tab-style",
children=[network_layout(selected_company_id)],
),
],
),
html.Div(id="tabs-example-content-1"),
],
)
def kennzahlen_layout(selected_finance_df: pd.DataFrame) -> html:
"""Create metrics tab.
Args:
selected_company_id: Id of the chosen company in the dropdown.
selected_finance_df: A dataframe containing all available finance information of the companies.
Returns:
The html div to create the metrics tab of the company page.
"""
return html.Div(
[
dcc.Graph(
figure=financials_figure(
selected_finance_df, "annual_finance_statement_ebit"
)
)
]
)
def financials_figure(selected_finance_df: pd.DataFrame, metric: str) -> go.Figure:
"""Creates plotly line chart for a specific company and a metric.
Args:
selected_finance_df: A dataframe containing all finance information of the selected company.
metric: The metric that should be visualized.
Returns:
A plotly figure showing the available metric data of the company.
"""
# create figure
fig_line = go.Figure()
# add trace for company 1
fig_line.add_trace(
go.Scatter(
x=selected_finance_df["annual_finance_statement_date"],
y=selected_finance_df[metric],
line_color=COLORS["raisin-black"],
marker_color=COLORS["raisin-black"],
)
)
# set title and labels
fig_line.update_layout(
title=metric,
xaxis_title="Jahr",
yaxis_title="in Mio.€",
plot_bgcolor=COLORS["light"],
)
return fig_line
def network_layout(selected_company_id: int) -> html:
"""Create network tab.
Args:
selected_company_id: Id of the chosen company in the dropdown.
Returns:
The html div to create the network tab of the company page.
"""
return networkx_component(selected_company_id)