Create saved_searches.py

saved_searches.py

@@ -1,10 +1,67 @@
-from collections import deque
+import json
+import os
+from datetime import datetime
+from typing import List, Dict
+
+SAVE_PATH = "saved_searches.json"
+MAX_SAVED = 25
+
+
+def _load() -> List[Dict]:
+    if not os.path.exists(SAVE_PATH):
+        return []
+    try:
+        with open(SAVE_PATH, "r") as f:
+            return json.load(f)
+    except Exception:
+        return []
+
+
+def _save(data: List[Dict]):
+    try:
+        with open(SAVE_PATH, "w") as f:
+            json.dump(data, f, indent=2)
+    except Exception:
+        pass
 
-MAX_SAVED = 20
-_saved = deque(maxlen=MAX_SAVED)
 
 def save(query: str, extended: bool):
-    _saved.appendleft({"query": query, "extended": extended})
+    """
+    Persist a saved search (privacy-safe, local only).
+    """
+    if not query.strip():
+        return
+
+    data = _load()
+
+    entry = {
+        "query": query,
+        "extended": bool(extended),
+        "timestamp": datetime.utcnow().isoformat() + "Z",
+    }
+
+    data.insert(0, entry)
+    data = data[:MAX_SAVED]
+
+    _save(data)
+
+
+def render() -> str:
+    """
+    Render saved searches as markdown for Gradio.
+    """
+    data = _load()
+
+    if not data:
+        return "_No saved searches yet._"
+
+    lines = ["### 💾 Saved Searches\n"]
+
+    for i, s in enumerate(data, start=1):
+        mode = "Extended" if s["extended"] else "Standard"
+        lines.append(
+            f"{i}. **{s['query']}**  \n"
+            f"   _Mode:_ {mode} · _Saved:_ {s['timestamp']}"
+        )
 
-def list_saved():
-    return list(_saved)
+    return "\n\n".join(lines)