116 lines
4.8 KiB
Python
116 lines
4.8 KiB
Python
"""市場情報 AI 受控 fetch 的 MCP gate preview。
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這裡只計算外部 fetch 是否具備前置條件；不呼叫電商平台、不寫 DB、不掛排程。
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"""
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from services.market_intel.ai_controlled_service_compat import compatibility_flag
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from services.market_intel.mcp_readiness import build_mcp_readiness_plan
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_FETCH_PREREQUISITES_MET_KEY = compatibility_flag("fetch_prerequisites_met")
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_FETCH_GATE_OPEN_KEY = compatibility_flag("fetch_gate_open")
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def _status_value(runtime_status, name, default=False):
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if isinstance(runtime_status, dict):
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return runtime_status.get(name, default)
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return getattr(runtime_status, name, default)
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def build_mcp_fetch_gate_preview(
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runtime_status,
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*,
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fetch_requested=False,
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execute_readiness=False,
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readiness=None,
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):
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"""建立 AI 受控 fetch 前的 MCP gate；預設不做 health check、不連 DB。"""
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fetch_requested = bool(fetch_requested)
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execute_readiness = bool(execute_readiness)
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readiness = readiness or build_mcp_readiness_plan(
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execute_requested=execute_readiness,
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)
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readiness_checks = readiness.get("readiness_checks") or {}
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gate_checks = {
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"market_intel_enabled": bool(_status_value(runtime_status, "enabled")),
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"market_intel_crawler_enabled": bool(
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_status_value(runtime_status, "crawler_enabled")
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),
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"database_write_still_blocked": not bool(
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_status_value(runtime_status, "database_write_allowed")
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),
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"scheduler_detached": not bool(
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_status_value(runtime_status, "scheduler_attached")
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),
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"mcp_readiness_executed": bool(readiness.get("execute_requested")),
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"mcp_router_enabled": bool(readiness.get("router_enabled")),
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"external_mcp_complete": bool(readiness.get("external_mcp_complete")),
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"internal_mcp_complete": bool(readiness.get("internal_mcp_complete")),
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"market_intel_mcp_integrated": bool(
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readiness.get("market_intel_mcp_integrated")
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),
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"market_intel_tool_contract_ready": bool(
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readiness_checks.get("market_intel_tool_contract_ready")
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),
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"external_servers_all_healthy": bool(
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readiness_checks.get("external_servers_all_healthy")
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),
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}
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blocked_reasons = [
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key for key, passed in gate_checks.items()
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if not passed
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]
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if not fetch_requested:
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blocked_reasons.insert(0, "fetch_false_planned_only")
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prerequisites_met = not blocked_reasons
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network_request_allowed = bool(fetch_requested and prerequisites_met)
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return {
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"mode": (
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"mcp_fetch_gate_read_only"
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if execute_readiness
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else "mcp_fetch_gate_planned"
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),
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"fetch_requested": fetch_requested,
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"readiness_execute_requested": bool(readiness.get("execute_requested")),
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"ai_controlled_fetch_prerequisites_met": prerequisites_met,
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"ai_controlled_fetch_gate_open": network_request_allowed,
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_FETCH_PREREQUISITES_MET_KEY: prerequisites_met,
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_FETCH_GATE_OPEN_KEY: network_request_allowed,
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"network_request_allowed": network_request_allowed,
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"would_use_external_network": network_request_allowed,
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"gate_checks": gate_checks,
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"blocked_reasons": blocked_reasons,
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"operator_message": (
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"AI 受控 fetch 已通過 MCP gate；仍只允許公開頁面、限速、不得寫 DB。"
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if network_request_allowed
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else "AI 受控 fetch 仍被 MCP gate 阻擋；需 feature flags、MCP health、router 與 tool contract 全部通過。"
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),
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"required_sequence": [
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"MARKET_INTEL_ENABLED 與 MARKET_INTEL_CRAWLER_ENABLED 需由操作員明確開啟",
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"MCP deploy preflight 必須通過必要 env、compose、localhost port 與 fallback 檢查",
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"外部 MCP stack 四個 health endpoint 需全部 200",
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"MCP_ROUTER_ENABLED 只能在 health 全過後才打開",
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"AI controlled discovery fetch 才能進入公開頁面限速探測，且仍不得寫 DB",
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],
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"mcp_readiness_summary": {
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"mode": readiness.get("mode"),
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"router_enabled": bool(readiness.get("router_enabled")),
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"external_mcp_complete": bool(readiness.get("external_mcp_complete")),
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"internal_mcp_complete": bool(readiness.get("internal_mcp_complete")),
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"market_intel_mcp_integrated": bool(
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readiness.get("market_intel_mcp_integrated")
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),
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"blocked_reasons": readiness.get("blocked_reasons", []),
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},
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"database_session_created": False,
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"database_write_executed": False,
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"database_commit_executed": False,
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"external_network_executed": False,
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"scheduler_attached": False,
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"writes_executed": False,
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"would_write_database": False,
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}
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