feat: Add directory processing mode with recursive file handling

src/streamlit_app.py

@@ -5,6 +5,8 @@ import warnings
 from io import BytesIO
 import tempfile
 import zipfile
+from pathlib import Path
+import glob
 from main import (
     load_workbook_with_possible_passwords,
     copy_excel_file,
@@ -49,9 +51,16 @@ with st.sidebar:
         ("Excel", "Word"),
         help="Select the type of files you want to process"
     )
+    
+    processing_mode = st.radio(
+        "Choose processing mode:",
+        ("File Upload", "Directory Processing"),
+        help="Process uploaded files or select directories"
+    )
 
 # Main content area
-if file_type == "Excel":
+if processing_mode == "File Upload":
+    if file_type == "Excel":
     st.header("Excel File Processing")
     
     col1, col2 = st.columns(2)
@@ -159,17 +168,106 @@ if uploaded_files:
                 mime="application/zip",
             )
 
+    else:  # Directory Processing
+        st.header("Directory Processing")
+        
+        col1, col2 = st.columns(2)
+        
+        with col1:
+            source_dir = st.text_input("Source Directory Path", 
+                                     help="Enter the full path to the directory containing files to process")
+            
+            dest_dir = st.text_input("Destination Directory Path",
+                                    help="Enter the full path where processed files will be saved")
+        
+        with col2:
+            if file_type == "Excel":
+                password_option = st.radio(
+                    "Password Option:",
+                    ("No Password", "Password File")
+                )
+                
+                passwords = []
+                if password_option == "Password File":
+                    password_path = st.text_input("Password File Path", 
+                                                help="Enter the full path to the text file containing passwords")
+                    if password_path and os.path.exists(password_path):
+                        with open(password_path, 'r', encoding='utf-8') as pf:
+                            passwords = [line.strip() for line in pf if line.strip()]
+                        st.info(f"Loaded {len(passwords)} passwords from file")
+        
+        if source_dir and dest_dir and st.button("Process Directory", type="primary"):
+            if not os.path.exists(source_dir):
+                st.error(f"Source directory does not exist: {source_dir}")
+            elif not os.path.exists(os.path.dirname(dest_dir)):
+                st.error(f"Parent of destination directory does not exist: {os.path.dirname(dest_dir)}")
+            else:
+                os.makedirs(dest_dir, exist_ok=True)
+                
+                # Get all files recursively
+                if file_type == "Excel":
+                    files = glob.glob(os.path.join(source_dir, "**/*.xlsx"), recursive=True)
+                    files.extend(glob.glob(os.path.join(source_dir, "**/*.xlsm"), recursive=True))
+                else:  # Word
+                    files = glob.glob(os.path.join(source_dir, "**/*.docx"), recursive=True)
+                    files.extend(glob.glob(os.path.join(source_dir, "**/*.docm"), recursive=True))
+                
+                if not files:
+                    st.warning(f"No {file_type} files found in the source directory")
+                else:
+                    progress_bar = st.progress(0)
+                    status_text = st.empty()
+                    
+                    for idx, source_path in enumerate(files):
+                        try:
+                            # Create a container for each file
+                            relative_path = os.path.relpath(source_path, source_dir)
+                            dest_path = os.path.join(dest_dir, relative_path)
+                            
+                            with st.expander(f"Processing {relative_path}", expanded=True):
+                                st.write(f"📝 Processing {relative_path}...")
+                                
+                                # Create destination directory if needed
+                                os.makedirs(os.path.dirname(dest_path), exist_ok=True)
+                                
+                                # Process based on file type
+                                if file_type == "Excel":
+                                    copy_excel_file(source_path, dest_path, passwords)
+                                else:  # Word
+                                    remove_all_protection_tags(source_path, dest_path)
+                                
+                                st.success("✅ Processing complete!")
+                            
+                            # Update progress
+                            progress = (idx + 1) / len(files)
+                            progress_bar.progress(progress)
+                            status_text.text(f"Processed {idx + 1} of {len(files)} files")
+                            
+                        except Exception as e:
+                            st.error(f"❌ Error processing {relative_path}: {str(e)}")
+                    
+                    progress_bar.empty()
+                    status_text.text("✨ All processing complete!")
+                    
+                    # Show the output directory
+                    st.success(f"Processed files are saved in: {dest_dir}")
+
 # Footer
 st.sidebar.markdown("---")
 st.sidebar.markdown("### Instructions")
 st.sidebar.markdown("""
-1. Select file type (Excel or Word)
-2. Upload your files by dragging them or clicking the upload area
-3. For Excel files:
-   - Choose password option if needed
-   - Enter password or upload password file
-4. Click the Process button
-5. Download each processed file
+1. Choose processing mode:
+   - File Upload: Process files via web upload
+   - Directory Processing: Process files from local directories
+2. Select file type (Excel or Word)
+3. For File Upload:
+   - Upload your files
+   - Set password options if needed
+4. For Directory Processing:
+   - Enter source and destination paths
+   - Provide password file path if needed
+5. Click Process button
+6. Monitor progress and check results
 """)
 
 st.sidebar.markdown("---")