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Fix chart drawing: Properly handle price history data structure

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ChuckBuilds
2025-04-11 11:56:50 -05:00
parent 4e5c0397c1
commit 041d9feb69
1 changed files with 7 additions and 4 deletions
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11
src/stock_manager.py
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@@ -365,11 +365,13 @@ class StockManager:
outline=color) outline=color)
# Get price history for chart # Get price history for chart
price_history = data['price_history'] price_history = data.get('price_history', [])
if len(price_history) >= 2: # Need at least 2 points to draw a line if len(price_history) >= 2: # Need at least 2 points to draw a line
# Extract prices from price history
prices = [p['price'] for p in price_history]
# Calculate price range with padding to avoid flat lines # Calculate price range with padding to avoid flat lines
min_price = min(price_history) * 0.99 # 1% padding below min_price = min(prices) * 0.99 # 1% padding below
max_price = max(price_history) * 1.01 # 1% padding above max_price = max(prices) * 1.01 # 1% padding above
price_range = max_price - min_price price_range = max_price - min_price
if price_range == 0: # If all prices are the same if price_range == 0: # If all prices are the same
@@ -377,7 +379,8 @@ class StockManager:
# Calculate points for the line # Calculate points for the line
points = [] points = []
for i, price in enumerate(price_history): for i, price_data in enumerate(price_history):
price = price_data['price']
# Calculate x position with proper spacing # Calculate x position with proper spacing
x = chart_x + 1 + (i * (chart_width - 2) // (len(price_history) - 1)) x = chart_x + 1 + (i * (chart_width - 2) // (len(price_history) - 1))
# Calculate y position (inverted because y=0 is at top) # Calculate y position (inverted because y=0 is at top)