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Diffstat (limited to 'backend/graph.py')
| -rw-r--r-- | backend/graph.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/backend/graph.py b/backend/graph.py new file mode 100644 index 0000000..16c6f6e --- /dev/null +++ b/backend/graph.py @@ -0,0 +1,30 @@ +import plotly.graph_objs as go +import pandas as pd +import warnings +import math +from datetime import datetime, timedelta +import numpy as np + +def plot_subscriber_count_over_time(server, table_name, gtitle = "Subscriber Count Over Time for Nijisanji Members", + overrideQuery = None, markers = "lines", exclude_channels = []): + warnings.filterwarnings('ignore') # Ignore pandas warning regarding pyodbc + query = f"SELECT name, subscriber_count, timestamp, channel_id FROM {table_name} ORDER by timestamp DESC" if overrideQuery is None else overrideQuery + df = pd.read_sql_query(query, server.get_connection()) + groups = df.groupby("name") + fig = go.Figure() + config = dict({'responsive': True, 'displaylogo': False, 'modeBarButtonsToAdd': ['pan2d', 'zoomIn2d', 'zoomOut2d']}) + for channel, group in groups: + if len(exclude_channels) != 0 and group['channel_id'].iloc[0] in exclude_channels: + continue + fig.add_trace(go.Scattergl( + x = group["timestamp"], y = group["subscriber_count"], name = channel, mode = markers, + showlegend = True)) + fig.update_layout( + title = {'text': gtitle, 'x': 0.5, 'xanchor': 'center', + 'yanchor': 'top', 'font': {'family': 'Arial', 'size': 30}}, + xaxis_title = "Timestamp", + yaxis_title = "Subscribers", + legend = dict(font = dict(size = 16), title = dict(text = "Channels")), + height = 950, + ) + return fig.to_html(config = config)
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