Delete chart_builder.py

chart_builder.py

@@ -1,73 +0,0 @@
-# chart_builder.py
-import plotly.graph_objs as go
-from plotly.subplots import make_subplots
-import pandas as pd
-
-def build_chart(data, indicators):
-    """
-    data: pd.DataFrame with OHLCV
-    indicators: dict of series (MACD, RSI, SMA20, etc.)
-    """
-    fig = make_subplots(
-        rows=3, cols=1,
-        row_heights=[0.5, 0.2, 0.3],
-        shared_xaxes=True,
-        vertical_spacing=0.02,
-        specs=[[{"type":"candlestick"}],
-               [{"type":"bar"}],
-               [{"type":"scatter"}]]  # indicator plot
-    )
-
-    # --- Main candlestick ---
-    fig.add_trace(go.Candlestick(
-        x=data.index,
-        open=data['Open'], high=data['High'],
-        low=data['Low'], close=data['Close'],
-        name='Candlestick'
-    ), row=1, col=1)
-
-    # --- Add MA overlays on main chart ---
-    for ma_name in ['SMA20','SMA50','EMA20','EMA50']:
-        if ma_name in indicators:
-            fig.add_trace(go.Scatter(
-                x=data.index, y=indicators[ma_name],
-                mode='lines', name=ma_name,
-                visible='legendonly'  # initially hidden, toggle via legend or script
-            ), row=1, col=1)
-
-    # --- Volume subplot ---
-    fig.add_trace(go.Bar(
-        x=data.index, y=data['Volume'],
-        name='Volume', marker_color='blue'
-    ), row=2, col=1)
-
-    # --- Single indicator subplot (default empty, user selects via checkbox) ---
-    for ind_name in ['MACD', 'RSI', 'Stochastic']:
-        if ind_name in indicators:
-            fig.add_trace(go.Scatter(
-                x=data.index, y=indicators[ind_name],
-                mode='lines', name=ind_name,
-                visible=False  # initially hidden, toggle via script
-            ), row=3, col=1)
-
-    fig.update_layout(height=900, showlegend=True, margin=dict(l=20,r=20,t=40,b=20))
-
-    # --- Inject script for checkbox toggle ---
-    script = """
-    <script>
-    function applyIndicators() {
-        var checkboxes = document.querySelectorAll('input.indicator-toggle');
-        var update = {visible: []};
-        var traces = document.querySelectorAll('g.cartesianlayer .main-svg > g');
-        checkboxes.forEach(function(cb, i){
-            var idx = parseInt(cb.dataset.trace);
-            update.visible[idx] = cb.checked;
-        });
-        Plotly.restyle('chart', update);
-    }
-    </script>
-    """
-    
-    # Return full HTML
-    chart_html = fig.to_html(full_html=False, include_plotlyjs=True, div_id="chart")
-    return chart_html + script