Update app.py

app.py

@@ -14,21 +14,21 @@ This tool connects to the LOC API, retrieves metadata from a selected collection
 an analysis of metadata completeness, suggests enhancements, and identifies authority gaps.
 """)
 
-# Predefined LOC collections
+# Updated collection URLs using the correct LOC API format
 collections = {
-    "American Revolutionary War Maps": "american-revolutionary-war-maps",
-    "Civil War Maps": "civil-war-maps",
-    "Women's Suffrage": "womens-suffrage",
-    "World War I Posters": "world-war-i-posters"
+    "American Revolutionary War Maps": {"path": "maps", "query": "american+revolutionary+war"},
+    "Civil War Maps": {"path": "maps", "query": "civil+war"},
+    "Women's Suffrage": {"path": "collection", "query": "women+suffrage"},
+    "World War I Posters": {"path": "pictures", "query": "world+war+I+posters"}
 }
 
 # Sidebar for selecting collection
 st.sidebar.markdown("## Settings")
 selected = st.sidebar.selectbox("Select a collection", list(collections.keys()))
-collection_path = collections[selected]
+collection_info = collections[selected]
 
-# Corrected LOC API URL format
-collection_url = f"https://www.loc.gov/{collection_path}/?fo=json"
+# Correct URL format for LOC API
+collection_url = f"https://www.loc.gov/{collection_info['path']}/search/?q={collection_info['query']}&fo=json"
 st.sidebar.write(f"Selected Collection: {selected}")
 st.sidebar.write(f"API URL: {collection_url}")