Update src/streamlit_app.py

src/streamlit_app.py

@@ -607,7 +607,7 @@ with tab3:
             step=100,
             help="Maximum number of works to retrieve (Warning: >10,000 may be slow)",
             key="api_max_results"
-        )
+        ):
         api_author_name = st.text_input(
             "Author Name",
             placeholder="e.g., John Smith",
@@ -626,6 +626,22 @@ with tab3:
             help="Search by topic or keyword"
         )
     
+    with col2:
+        api_year_from = st.number_input(
+            "Publication Year From",
+            min_value=1900,
+            max_value=2025,
+            value=2020,
+            help="Start year for publication range"
+        )
+        
+        api_year_to = st.number_input(
+            "Publication Year To",
+            min_value=1900,
+            max_value=2025,
+            value=2025,
+            help="End year for publication range"
+        )
         
         api_max_results = st.number_input(
             "Maximum Results",
@@ -669,18 +685,14 @@ with tab3:
             if api_max_citations > 0:
                 filters.append(f'cited_by_count:<{api_max_citations + 1}')
             
-            # Add journal filters
+            # Add journal filters - use display_name.search with OR
             if api_journals:
                 journal_list = [j.strip() for j in api_journals.split('\n') if j.strip()]
                 if journal_list:
-                    # URL encode journal names to handle spaces and special characters
-                    import urllib.parse
-                    journal_filters = []
-                    for j in journal_list:
-                        encoded_journal = urllib.parse.quote(j)
-                        journal_filters.append(f'primary_location.source.display_name.search:{encoded_journal}')
-                    # Join with pipe for OR logic, but don't wrap in parentheses for the filter
-                    filters.append('|'.join(journal_filters))
+                    # Create OR filter for journals using pipe separator
+                    # Format: primary_location.source.display_name.search:journal1|journal2|journal3
+                    journal_search = '|'.join(journal_list)
+                    filters.append(f'primary_location.source.display_name.search:{journal_search}')
             
             # Add article/review/letter filter
             filters.append('type:article|review|letter')