add streamlit pages for date setting

streamlit_page/page1.py

@@ -0,0 +1,62 @@
+import streamlit as st
+from datetime import datetime, timedelta
+import sys
+import os
+
+# Add the parent directory to the path to import src modules
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+import src.etl.transform as transform
+
+# Page title
+st.title("Date Selection")
+
+# Date selection section
+st.header("Select Date Range")
+
+# Get available date ranges from COOIS_Released_Prod_Orders.csv
+try:
+    date_ranges = transform.get_date_ranges()
+    all_dates, start_dates, end_dates = transform.get_available_dates()
+    
+    if date_ranges:
+        # Create dropdown for date range selection
+        date_range_options = [f"{start} to {end}" for start, end in date_ranges]
+        selected_range_str = st.selectbox(
+            "Select a date range from released orders:",
+            options=date_range_options,
+            help="Date ranges available in COOIS_Released_Prod_Orders.csv"
+        )
+        
+        # Extract selected dates
+        selected_index = date_range_options.index(selected_range_str)
+        start_date, end_date = date_ranges[selected_index]
+        
+        # Display the selected date range
+        st.write(f"**Start Date:** {start_date.strftime('%Y-%m-%d')}")
+        st.write(f"**End Date:** {end_date.strftime('%Y-%m-%d')}")
+        
+        # Show the date range duration
+        duration = (end_date - start_date).days
+        st.info(f"Selected date range: {duration} days")
+        
+        
+        
+except Exception as e:
+    st.error(f"Error loading date data: {str(e)}")
+    # Fallback to default dates
+    start_date = datetime(2025, 3, 24).date()
+    end_date = datetime(2025, 3, 28).date()
+
+# Product selection section
+
+
+# You can add more functionality here based on the selected dates
+if st.button("Confirm Selection"):
+    if 'selected_product' in locals():
+        st.success(f"Date range: {start_date} to {end_date}")
+        st.success(f"Selected product: {selected_product}")
+        if 'selected_products' in locals() and selected_products:
+            st.success(f"Multiple products selected: {', '.join(selected_products)}")
+    else:
+        st.success(f"Date range confirmed: {start_date} to {end_date}")
+    # Add your logic here for what happens when selection is confirmed