from __future__ import annotations from datetime import datetime from typing import Any, Dict, List, Optional from app.adapters.device_client import CDeviceClient, MockDeviceClient from app.cache.memory_store import memory_store from app.core.config import settings from app.core.security import hash_password from app.repositories.alarm_repo import AlarmRepository from app.repositories.json_config_repo import JsonConfigRepository from app.schemas.platform import ( AiAlarmSettingIn, ChannelConfigIn, DeviceConfigIn, DevicePasswordUpdateIn, DeviceStatus, LineAlarmSettingIn, NetConfigItem, LineData, RealtimeData, SwitchControlIn, SystemConfigIn, ValueGroup, UartConfigItem, ) from app.ws.manager import ws_manager class PlatformService: def __init__(self) -> None: self.config_repo = JsonConfigRepository() self.alarm_repo = AlarmRepository() self.device_client = MockDeviceClient() if settings.use_mock_device else CDeviceClient() def _safe_ratio(self, primary: float, secondary: float, default: float = 1.0) -> float: if abs(float(secondary)) < 1e-9: return default return float(primary) / float(secondary) def _get_line_transformer_ratios(self, line: LineData) -> Dict[str, float]: pri = line.pri_val sec = line.sec_val pt_ratio_candidates = [ self._safe_ratio(pri.Ua, sec.Ua, 0.0), self._safe_ratio(pri.Ub, sec.Ub, 0.0), self._safe_ratio(pri.Uc, sec.Uc, 0.0), self._safe_ratio(pri.Uab, sec.Uab, 0.0), self._safe_ratio(pri.Ubc, sec.Ubc, 0.0), self._safe_ratio(pri.Uca, sec.Uca, 0.0), ] ct_ratio_candidates = [ self._safe_ratio(pri.Ia, sec.Ia, 0.0), self._safe_ratio(pri.Ib, sec.Ib, 0.0), self._safe_ratio(pri.Ic, sec.Ic, 0.0), ] pt_ratio = next((ratio for ratio in pt_ratio_candidates if ratio > 0), 1.0) ct_ratio = next((ratio for ratio in ct_ratio_candidates if ratio > 0), 1.0) return {"pt_ratio": pt_ratio, "ct_ratio": ct_ratio} def _build_primary_from_secondary(self, secondary: ValueGroup, pt_ratio: float, ct_ratio: float) -> ValueGroup: power_ratio = pt_ratio * ct_ratio return ValueGroup( Ua=secondary.Ua * pt_ratio, Ub=secondary.Ub * pt_ratio, Uc=secondary.Uc * pt_ratio, Ia=secondary.Ia * ct_ratio, Ib=secondary.Ib * ct_ratio, Ic=secondary.Ic * ct_ratio, Pa=secondary.Pa * power_ratio, Pb=secondary.Pb * power_ratio, Pc=secondary.Pc * power_ratio, Pt=secondary.Pt * power_ratio, Qa=secondary.Qa * power_ratio, Qb=secondary.Qb * power_ratio, Qc=secondary.Qc * power_ratio, Qt=secondary.Qt * power_ratio, Sa=secondary.Sa * power_ratio, Sb=secondary.Sb * power_ratio, Sc=secondary.Sc * power_ratio, St=secondary.St * power_ratio, PFa=secondary.PFa, PFb=secondary.PFb, PFc=secondary.PFc, PFt=secondary.PFt, Uab=secondary.Uab * pt_ratio, Ubc=secondary.Ubc * pt_ratio, Uca=secondary.Uca * pt_ratio, frq=secondary.frq, ) def _round_value_group(self, group: ValueGroup) -> ValueGroup: group_data = group.model_dump() precision_map = { "Ua": 3, "Ub": 3, "Uc": 3, "Ia": 3, "Ib": 3, "Ic": 3, "Pa": 2, "Pb": 2, "Pc": 2, "Pt": 2, "Qa": 2, "Qb": 2, "Qc": 2, "Qt": 2, "Sa": 2, "Sb": 2, "Sc": 2, "St": 2, "PFa": 3, "PFb": 3, "PFc": 3, "PFt": 3, "Uab": 3, "Ubc": 3, "Uca": 3, "frq": 3, } for field_name, precision in precision_map.items(): value = group_data.get(field_name) if isinstance(value, (int, float)): group_data[field_name] = round(float(value), precision) return ValueGroup(**group_data) def _normalize_realtime_precision(self, realtime: RealtimeData) -> RealtimeData: line_list = [] for line in realtime.line_list: ratios = self._get_line_transformer_ratios(line) line_list.append( LineData( line_no=line.line_no, pri_val=self._round_value_group( self._build_primary_from_secondary( line.sec_val, ratios["pt_ratio"], ratios["ct_ratio"], ) ), sec_val=self._round_value_group(line.sec_val), ) ) ai_collect = { key: round(float(value), 2) if isinstance(value, (int, float)) else value for key, value in realtime.ai_collect.items() } return RealtimeData(line_list=line_list, switch=dict(realtime.switch), ai_collect=ai_collect) def get_realtime_data(self) -> RealtimeData: cached = memory_store.get_realtime() if cached is not None: normalized = self._normalize_realtime_precision(cached) memory_store.set_realtime(normalized) return normalized realtime = self.device_client.read_realtime_data() normalized = self._normalize_realtime_precision(realtime) memory_store.set_realtime(normalized) return normalized def get_device_status(self) -> DeviceStatus: cached = memory_store.get_status() if cached is not None: return cached status = self.device_client.read_device_status() memory_store.set_status(status) return status def _default_device_config(self) -> Dict[str, Any]: return { "password": "", "hardware_version": { "board_version": "B001.001.001", "display_version": "S001.001.001", "other_version": "Y001.001.001", }, "software_version": { "display_program": "001.001.001", "communication_program": "001.001.001", "measurement_program": "001.001.001", }, "net": [ {"nic": "网卡一", "ip": "192.168.1.10", "mask": "255.255.255.0", "gateway": "192.168.1.1", "protocol": "Modbus TCP"}, {"nic": "网卡二", "ip": "192.168.1.56", "mask": "255.255.255.255", "gateway": "192.168.1.56", "protocol": "Modbus TCP"}, ], "uart": [ {"port": "COM1", "baud": 9600, "parity": "NONE", "data_bits": 8, "stop_bits": 1, "protocol": ""}, {"port": "COM2", "baud": 115200, "parity": "NONE", "data_bits": 8, "stop_bits": 1, "protocol": "Modbus RTU"}, ], } def _merge_keyed_items(self, defaults: List[Dict[str, Any]], current: Any, key_field: str) -> List[Dict[str, Any]]: merged = [dict(item) for item in defaults] if not isinstance(current, list): return merged index_map = { item.get(key_field): index for index, item in enumerate(merged) if isinstance(item, dict) and item.get(key_field) is not None } for item in current: if not isinstance(item, dict): continue key = item.get(key_field) if key in index_map: merged[index_map[key]].update(item) else: merged.append(dict(item)) return merged def _upsert_keyed_item(self, items: List[Dict[str, Any]], payload: Dict[str, Any], key_field: str) -> List[Dict[str, Any]]: key = payload.get(key_field) updated = False for index, item in enumerate(items): if item.get(key_field) == key: items[index] = payload updated = True break if not updated: items.append(payload) return items def _find_keyed_item(self, items: List[Dict[str, Any]], key_field: str, key_value: str) -> Optional[Dict[str, Any]]: for item in items: if item.get(key_field) == key_value: return item return None def _load_device_config_with_defaults(self) -> Dict[str, Any]: current = self.config_repo.read_device_config() defaults = self._default_device_config() data = { "password": current.get("password", "") if isinstance(current, dict) else "", "hardware_version": dict(defaults["hardware_version"]), "software_version": dict(defaults["software_version"]), "net": [], "uart": [], } if isinstance(current, dict): if isinstance(current.get("hardware_version"), dict): data["hardware_version"].update(current["hardware_version"]) if isinstance(current.get("software_version"), dict): data["software_version"].update(current["software_version"]) data["net"] = self._merge_keyed_items(defaults["net"], current.get("net"), "nic") data["uart"] = self._merge_keyed_items(defaults["uart"], current.get("uart"), "port") else: data["net"] = self._merge_keyed_items(defaults["net"], None, "nic") data["uart"] = self._merge_keyed_items(defaults["uart"], None, "port") return data def save_device_config(self, payload: DeviceConfigIn) -> Dict[str, Any]: data = self._load_device_config_with_defaults() payload_data = payload.model_dump() data["hardware_version"] = payload_data["hardware_version"] data["software_version"] = payload_data["software_version"] data["net"] = self._merge_keyed_items(data["net"], payload_data["net"], "nic") data["uart"] = self._merge_keyed_items(data["uart"], payload_data["uart"], "port") if payload.password.strip(): data["password"] = hash_password(payload.password) path = self.config_repo.write_device_config(data) device_result = self.device_client.send_device_config(payload) return {"save_path": f"/config/{path.name}", **device_result} def save_device_password(self, payload: DevicePasswordUpdateIn) -> Dict[str, Any]: data = self._load_device_config_with_defaults() data["password"] = hash_password(payload.password) path = self.config_repo.write_device_config(data) return {"save_path": f"/config/{path.name}", "target": "password", "send_status": "成功"} def get_device_config(self) -> Dict[str, Any]: data = self._load_device_config_with_defaults() # 不返回已保存的哈希密码，避免前端把哈希串直接显示到设置界面 data["password"] = "" return data def get_net_config(self, nic: str) -> Dict[str, Any]: device_config = self._load_device_config_with_defaults() item = self._find_keyed_item(device_config["net"], "nic", nic) if item is not None: return item return {"nic": nic, "ip": "", "mask": "", "gateway": "", "protocol": ""} def save_net_config(self, payload: NetConfigItem) -> Dict[str, Any]: device_config = self._load_device_config_with_defaults() device_config["net"] = self._upsert_keyed_item(device_config["net"], payload.model_dump(), "nic") path = self.config_repo.write_device_config(device_config) return {"save_path": f"/config/{path.name}", "target": "net", "nic": payload.nic, "send_status": "成功"} def get_uart_config(self, port: str) -> Dict[str, Any]: device_config = self._load_device_config_with_defaults() item = self._find_keyed_item(device_config["uart"], "port", port) if item is not None: return item return {"port": port, "baud": 9600, "parity": "NONE", "data_bits": 8, "stop_bits": 1, "protocol": ""} def save_uart_config(self, payload: UartConfigItem) -> Dict[str, Any]: device_config = self._load_device_config_with_defaults() device_config["uart"] = self._upsert_keyed_item(device_config["uart"], payload.model_dump(), "port") path = self.config_repo.write_device_config(device_config) return {"save_path": f"/config/{path.name}", "target": "uart", "port": payload.port, "send_status": "成功"} def save_channel_config(self, payload: ChannelConfigIn) -> Dict[str, Any]: path = self.config_repo.write_channel_config(payload.model_dump()) device_result = self.device_client.send_channel_config(payload) return {"save_path": f"/config/{path.name}", **device_result} def get_channel_config(self) -> Dict[str, Any]: current = self.config_repo.read_channel_config() data = { "ai_channel": [{"ch": 1, "singal_type": "4-20mA", "line_no": 1, "type": "UA", "limit_low": 0, "limit_high": 20}], "ao_channel": [{"ch": 1, "singal_type": "1-5v", "line_no": 2, "type": "UA", "limit_low": 0, "limit_high": 20}], } data.update(current) return data def _default_line_alarm_setting(self, line_no: int) -> Dict[str, Any]: return { "line_no": line_no, "over_limit_alarm": [ {"category": "电压", "limit": 180, "delay": 180, "output_node": "开出1", "enabled": True}, {"category": "电流", "limit": 180, "delay": 180, "output_node": "开出1", "enabled": True}, {"category": "差流", "limit": 180, "delay": 180, "output_node": "开出1", "enabled": False}, {"category": "频率", "limit": 180, "delay": 180, "output_node": "开出1", "enabled": False}, ], "fault_alarm": [{"category": "PT断线", "delay": 180, "output_node": "开出1", "enabled": True}], } def _normalize_line_alarm_settings(self, raw: Any) -> List[Dict[str, Any]]: if isinstance(raw, list): return [item for item in raw if isinstance(item, dict)] if isinstance(raw, dict): return [raw] return [] def save_line_alarm_setting(self, payload: LineAlarmSettingIn) -> Dict[str, Any]: current = self.config_repo.read_json("setting.json") if not isinstance(current, dict): current = {} line_alarm_list = self._normalize_line_alarm_settings(current.get("line_alarm_setting")) payload_data = payload.model_dump() updated = False for index, item in enumerate(line_alarm_list): if item.get("line_no") == payload.line_no: line_alarm_list[index] = payload_data updated = True break if not updated: line_alarm_list.append(payload_data) current["line_alarm_setting"] = line_alarm_list path = self.config_repo.write_setting_config(current) device_result = self.device_client.send_line_alarm_setting(payload) return {"save_path": f"/config/{path.name}", **device_result} def get_line_alarm_setting(self, line_no: int = 1) -> Dict[str, Any]: current = self.config_repo.read_setting_section("line_alarm_setting") line_alarm_list = self._normalize_line_alarm_settings(current) for item in line_alarm_list: if item.get("line_no") == line_no: return item return self._default_line_alarm_setting(line_no) def save_ai_alarm_setting(self, payload: List[AiAlarmSettingIn]) -> Dict[str, Any]: current = self.config_repo.read_json("setting.json") if not isinstance(current, dict): current = {} current["ai_alarm_setting"] = [item.model_dump() for item in payload] path = self.config_repo.write_setting_config(current) device_result = self.device_client.send_ai_alarm_setting(current["ai_alarm_setting"]) return {"save_path": f"/config/{path.name}", **device_result} def get_ai_alarm_setting(self) -> List[Dict[str, Any]]: current = self.config_repo.read_setting_section("ai_alarm_setting") if isinstance(current, list): return current return [ { "channel_no": 1, "singal_type": "4-20mA", "limit_low": 0, "limit_high": 20, "delay": 180, "output_node": "开出1", "enabled": True, } ] def save_system_config(self, payload: SystemConfigIn) -> Dict[str, Any]: current = self.config_repo.read_json("setting.json") if not isinstance(current, dict): current = {} current["system_config"] = payload.model_dump() self.config_repo.write_setting_config(current) return self.device_client.send_system_config(payload) def get_system_config(self) -> Dict[str, Any]: current = self.config_repo.read_setting_section("system_config") data = SystemConfigIn().model_dump() if isinstance(current, dict): data.update(current) return data def list_alarms( self, page: int, size: int, no: str = "", alarm_type: str = "", start_time: Optional[datetime] = None, end_time: Optional[datetime] = None, ) -> List[Dict[str, Any]]: return self.alarm_repo.list_alarms( page=page, size=size, no=no, alarm_type=alarm_type, start_time=start_time, end_time=end_time, ) def switch_control(self, payload: SwitchControlIn) -> Dict[str, Any]: return self.device_client.send_switch_control(payload) async def poll_device_once(self) -> None: realtime = self._normalize_realtime_precision(self.device_client.read_realtime_data()) status = self.device_client.read_device_status() alarms = self.device_client.read_alarm_events() memory_store.set_realtime(realtime) memory_store.set_status(status) await ws_manager.broadcast("real-time", {"type": "real_time", "data": realtime.model_dump()}) for alarm in alarms: alarm.id = self.alarm_repo.save_alarm(alarm) memory_store.push_alarm(alarm) await ws_manager.broadcast("alarm", alarm.model_dump(mode="json")) platform_service = PlatformService()