Add statistics.py

Author: Timofeq1

backend/api/statistics.py

@@ -0,0 +1,28 @@
+import matplotlib.pyplot as plt
+import os
+
+def generate_statistics_images(stats_data, output_pattern):
+    """Generate visualization images from statistics data"""
+    try:
+        # Example visualization 1: Period statistics bar chart
+        periods = list(stats_data['periodStats'].keys())
+        totals = [v['total'] for v in stats_data['periodStats'].values()]
+        uniques = [v['unique'] for v in stats_data['periodStats'].values()]
+
+        plt.figure(figsize=(10, 6))
+        plt.bar(periods, totals, label='Total Visits')
+        plt.bar(periods, uniques, label='Unique Visitors')
+        plt.title('Visitors Statistics')
+        plt.legend()
+        plt.savefig(output_pattern.format(1))
+        plt.close()
+
+        # Example visualization 2: Pie chart for period distribution
+        plt.figure(figsize=(8, 8))
+        plt.pie(totals, labels=periods, autopct='%1.1f%%')
+        plt.title('Visits Distribution')
+        plt.savefig(output_pattern.format(2))
+        plt.close()
+
+    except Exception as e:
+        print(f"Error generating images: {str(e)}")