feat: refine collected data overview and admin navigation

backend/app/api/v1/collected_data.py

@@ -214,21 +214,35 @@ async def list_collected_data(
 @router.get("/summary")
 async def get_data_summary(
     mode: str = Query("current", description="查询模式: current/history"),
+    source: Optional[str] = Query(None, description="数据源过滤"),
+    data_type: Optional[str] = Query(None, description="数据类型过滤"),
+    country: Optional[str] = Query(None, description="国家过滤"),
+    search: Optional[str] = Query(None, description="搜索名称"),
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
     """获取数据汇总统计"""
-    where_sql = "WHERE COALESCE(is_current, TRUE) = TRUE" if mode != "history" else ""
+    where_sql, params = build_where_clause(source, data_type, country, search)
+    if mode != "history":
+        where_sql = f"({where_sql}) AND COALESCE(is_current, TRUE) = TRUE"
+
+    overall_where_sql = "COALESCE(is_current, TRUE) = TRUE" if mode != "history" else "1=1"
+
+    overall_total_result = await db.execute(
+        text(f"SELECT COUNT(*) FROM collected_data WHERE {overall_where_sql}")
+    )
+    overall_total = overall_total_result.scalar() or 0
 
     # By source and data_type
     result = await db.execute(
-        text("""
+        text(f"""
         SELECT source, data_type, COUNT(*) as count
         FROM collected_data
-        """ + where_sql + """
+        WHERE {where_sql}
         GROUP BY source, data_type
         ORDER BY source, data_type
-    """)
+    """),
+        params,
     )
     rows = result.fetchall()
     source_name_map = await get_source_name_map(db)
@@ -248,18 +262,32 @@ async def get_data_summary(
 
     # Total by source
     source_totals = await db.execute(
-        text("""
+        text(f"""
         SELECT source, COUNT(*) as count
         FROM collected_data
-        """ + where_sql + """
+        WHERE {where_sql}
         GROUP BY source
         ORDER BY count DESC
-    """)
+    """),
+        params,
     )
     source_rows = source_totals.fetchall()
 
+    type_totals = await db.execute(
+        text(f"""
+        SELECT data_type, COUNT(*) as count
+        FROM collected_data
+        WHERE {where_sql}
+        GROUP BY data_type
+        ORDER BY count DESC, data_type
+    """),
+        params,
+    )
+    type_rows = type_totals.fetchall()
+
     return {
         "total_records": total,
+        "overall_total_records": overall_total,
         "by_source": by_source,
         "source_totals": [
             {
@@ -269,6 +297,13 @@ async def get_data_summary(
             }
             for row in source_rows
         ],
+        "type_totals": [
+            {
+                "data_type": row[0],
+                "count": row[1],
+            }
+            for row in type_rows
+        ],
     }