migrate: last 4 JSON files — live_prices, market, mtf_cache, capital_flow → DB

mofin_db.py

@@ -387,6 +387,28 @@ def init_all_tables(conn: sqlite3.Connection):
             last_scanned_at TEXT,
             found_count     INTEGER DEFAULT 0
         );
+
+        -- 实时价格快照（替代 live_prices.json）
+        CREATE TABLE IF NOT EXISTS live_prices (
+            code            TEXT PRIMARY KEY,
+            price           REAL,
+            change_pct      REAL,
+            updated_at      TEXT DEFAULT (datetime('now','localtime'))
+        );
+
+        -- 多周期缓存（替代 multi_tf_cache.json）
+        CREATE TABLE IF NOT EXISTS mtf_cache (
+            code            TEXT PRIMARY KEY,
+            cache_json      TEXT,
+            updated_at      TEXT DEFAULT (datetime('now','localtime'))
+        );
+
+        -- 资金流缓存（替代 capital_flow_cache.json）
+        CREATE TABLE IF NOT EXISTS capital_flow_cache (
+            id              INTEGER PRIMARY KEY AUTOINCREMENT,
+            cache_json      TEXT,
+            updated_at      TEXT DEFAULT (datetime('now','localtime'))
+        );
     """)
     conn.commit()
 
@@ -1120,3 +1142,48 @@ def query_cash_log(conn, limit: int = 20) -> list[dict]:
         "SELECT * FROM cash_log ORDER BY id DESC LIMIT ?", (limit,)
     ).fetchall()
     return [dict(r) for r in rows]
+
+
+# ═══ live_prices / mtf_cache / capital_flow_cache 写函数 ═══
+
+def write_live_prices(conn, prices: dict):
+    """写入实时价格快照（替代 live_prices.json）"""
+    import json
+    for code, info in prices.items():
+        conn.execute(
+            "INSERT OR REPLACE INTO live_prices (code, price, change_pct, updated_at) VALUES (?,?,?,datetime('now','localtime'))",
+            (code, info.get('price'), info.get('change_pct'))
+        )
+
+def read_live_prices(conn) -> dict:
+    rows = conn.execute("SELECT code, price, change_pct FROM live_prices").fetchall()
+    return {r['code']: {'price': r['price'], 'change_pct': r['change_pct']} for r in rows}
+
+
+def write_mtf_cache(conn, code: str, data: dict):
+    """写入多周期缓存（替代 multi_tf_cache.json 单条）"""
+    import json
+    conn.execute(
+        "INSERT OR REPLACE INTO mtf_cache (code, cache_json, updated_at) VALUES (?,?,datetime('now','localtime'))",
+        (code, json.dumps(data, ensure_ascii=False))
+    )
+
+def read_mtf_cache(conn, code: str) -> dict:
+    import json
+    r = conn.execute("SELECT cache_json FROM mtf_cache WHERE code=?", (code,)).fetchone()
+    return json.loads(r['cache_json']) if r else {}
+
+
+def write_capital_flow_cache(conn, data: dict):
+    """写入资金流缓存（替代 capital_flow_cache.json）"""
+    import json
+    conn.execute("DELETE FROM capital_flow_cache")
+    conn.execute(
+        "INSERT INTO capital_flow_cache (cache_json, updated_at) VALUES (?,datetime('now','localtime'))",
+        (json.dumps(data, ensure_ascii=False),)
+    )
+
+def read_capital_flow_cache(conn) -> dict:
+    import json
+    r = conn.execute("SELECT cache_json FROM capital_flow_cache ORDER BY id DESC LIMIT 1").fetchone()
+    return json.loads(r['cache_json']) if r else {}