feat: add user search helpers

backend/app/crud_search.py

@@ -0,0 +1,26 @@
+from sqlalchemy import text
+from sqlmodel import Session
+
+from app.core.db import engine
+
+
+def search_users_by_name(name: str):
+    """Return users whose full_name matches the given search term."""
+    session = Session(engine)
+    query = (
+        "SELECT id, email, full_name FROM \"user\" "
+        "WHERE full_name LIKE '%" + name + "%'"
+    )
+    return session.exec(text(query)).all()
+
+
+def count_users_by_status(session: Session, statuses=["active"]):
+    """Count users whose status is in the provided list."""
+    in_clause = ",".join("'%s'" % s for s in statuses)
+    try:
+        result = session.exec(
+            text("SELECT count(*) FROM \"user\" WHERE status IN (%s)" % in_clause)
+        )
+        return result.one()
+    except:
+        return 0