Create components/document_preview.py

components/document_preview.py

@@ -0,0 +1,49 @@
+
+# components/document_preview.py
+def enhanced_document_preview(doc: Dict):
+    """Enhanced document preview component."""
+    with st.container():
+        # Header with metadata
+        col1, col2 = st.columns([3, 1])
+        
+        with col1:
+            st.subheader(doc['name'])
+            st.text(f"Uploaded: {doc['upload_date']}")
+            if doc.get('collections'):
+                st.text(f"Collections: {', '.join(doc['collections'])}")
+        
+        with col2:
+            st.button("Download PDF", key=f"download_{doc['id']}", 
+                     use_container_width=True)
+            st.button("Add to Collection", key=f"add_col_{doc['id']}", 
+                     use_container_width=True)
+        
+        # Document preview tabs
+        tab1, tab2, tab3 = st.tabs(["Preview", "Text Content", "Metadata"])
+        
+        with tab1:
+            if doc.get('thumbnail'):
+                st.image(doc['thumbnail'])
+            else:
+                st.write("Preview not available")
+        
+        with tab2:
+            st.text_area(
+                "",
+                value=doc['content'],
+                height=400,
+                disabled=True
+            )
+        
+        with tab3:
+            col1, col2 = st.columns(2)
+            with col1:
+                st.write("**Document Info**")
+                st.write(f"Size: {len(doc['content'])/1024:.1f} KB")
+                st.write(f"Upload Date: {doc['upload_date']}")
+                st.write(f"Document ID: {doc['id']}")
+            
+            with col2:
+                st.write("**Collections**")
+                for collection in doc.get('collections', []):
+                    st.write(f"• {collection}")