SungjuNewPrime/NILM_Agent/AgentNILM_MQTTClient(Delphi13 VCL)/uNILMManager.pas
2026-09-04 11:15:47 +09:00

1457 lines
65 KiB
ObjectPascal

unit uNILMManager;
{
NILM 장비 / 센서 설정 CRUD 매니저
- DB(PostgreSQL) 와 연동하여 장비·센서 설정을 관리
- JSON 내보내기 / 가져오기 지원
}
interface
uses
System.SysUtils, System.Classes, System.Generics.Collections,
System.JSON,
FireDAC.Comp.Client, FireDAC.Stan.Param,
Data.DB,
U_DM, uNILMTypes;
type
TNILMErrorEvent = procedure(const AMsg: string) of object;
TNILMManager = class
private
FOnError: TNILMErrorEvent;
FExternalOpStatusCache: TDictionary<Integer, Integer>;
procedure ExecSQL(const ASQL: string; AParams: array of Variant);
function QuerySingleInt(const ASQL: string; AParams: array of Variant): Integer;
procedure LoadSensorsForDevice(ADeviceID: Integer; AList: TNILMSensorConfigList);
public
constructor Create;
destructor Destroy; override;
property OnError: TNILMErrorEvent read FOnError write FOnError;
function GetConnection: TFDConnection;
// ─── DDL ────────────────────────────────────────────────────────
/// DB 테이블이 없으면 자동 생성
procedure EnsureTables;
// ─── 장비 CRUD ──────────────────────────────────────────────────
/// DB에서 전체 장비 목록 로드
function LoadDevices: TList<TNILMDevice>;
/// device_id 로 단일 장비 로드
function LoadDevice(ADeviceID: Integer): TNILMDevice;
/// 장비 저장 (ID=0 이면 INSERT, 아니면 UPDATE)
function SaveDevice(var ADevice: TNILMDevice): Boolean;
/// 장비 삭제 (연관 센서도 함께 삭제)
function DeleteDevice(ADeviceID: Integer): Boolean;
/// 장비 device_id 중복 여부 확인
function DeviceIDExists(ADeviceID, AExcludeID: Integer): Boolean;
// ─── 센서 설정 CRUD ─────────────────────────────────────────────
/// 특정 장비의 센서 설정 저장 (UPSERT)
function SaveSensors(ADeviceID: Integer; AList: TNILMSensorConfigList): Boolean;
// ── JSON 내보내기 / 가져오기 ──────────────────────────────────
procedure ExportToJSON(const AFilePath: string; ADevices: TList<TNILMDevice>);
function ImportFromJSON(const AFilePath: string): TList<TNILMDevice>;
// ── 히스토리 데이터 저장 ─────────────────────────────────
/// 신규 규격 측정 데이터 저장 (3P3W/3P4W 공통)
procedure SaveMeasurementData(ADeviceID: Integer; const ADeviceName: string; const APayload: TNILMMeasurementPayload;
const APayloadJSON, AOpStatus: string; ASensorList: TNILMSensorConfigList; bSeqChanged: Boolean);
/// 레거시 및 하위 호환 MQTT 수신 데이터를 nilm_data에 저장
procedure SaveNILMData(ADeviceID: Integer; const ADeviceName: string; ASeq, APreSeq, ACommStatus: Integer;
const APayloadJSON, AOpStatus: string; AData: TJSONObject; ASensorList: TNILMSensorConfigList; bSeqChanged: Boolean);
/// 노드 통신 상태 저장 (/{NDID}/status)
procedure SaveNodeStatus(ADeviceID: Integer; const AStatus: TNILMNodeStatusPayload);
/// 게이트웨이 상태 저장 (/gateway)
procedure SaveGatewayStatus(const AGateway: TNILMGatewayPayload);
/// 이벤트 로그 저장
procedure SaveEventLog(const AEventType: string; ADeviceID: Integer;
const AMessage, ADetail: string);
/// 신규 규격 장비 이벤트 저장 (/{NDID}/event)
procedure SaveNILMEvent(ADeviceID: Integer; const AEvent: TNILMEventPayload);
/// 히스토리 조회 (TFDQuery 반환 — 호출자가 Free 책임)
function QueryNILMHistory(ADeviceID: Integer;
ADateFrom, ADateTo: TDateTime;
ACommStatusFilter: Integer; // -1=전체, 0=정상, 255=오류
AMaxRows: Integer): TFDQuery;
/// 이벤트 로그 조회
function QueryEventLog(ADeviceID: Integer;
ADateFrom, ADateTo: TDateTime;
const AEventType: string; // ''=전체
AMaxRows: Integer): TFDQuery;
/// 장비목록 콤보용 (id, name)
function LoadDevicesSimple: TFDQuery;
/// 지정된 기간의 전력량(Wh) 계산 (L1, L2, L3)
procedure CalculateEnergyConsumption(ADeviceID: Integer; ADateFrom, ADateTo: TDateTime; var AEnergyL1, AEnergyL2, AEnergyL3: Double);
// ── 외부 DB (ETC) 연동 ─────────────────────────────────
/// 외부 DB에 실시간 및 이력 상태 저장 (opStatus 변경 시 호출)
procedure SaveExternalOpStatus(const ANILMName: string; AOpStatus: Integer);
/// 외부 DB에 일일 전력량 저장 (자정에 호출)
procedure SaveExternalDailyEnergy(const ANILMName: string; ADate: TDateTime; AEnergyValue: Double);
end;
implementation
uses
System.IOUtils;
{ TNILMManager }
constructor TNILMManager.Create;
begin
inherited Create;
FExternalOpStatusCache := TDictionary<Integer, Integer>.Create;
end;
destructor TNILMManager.Destroy;
begin
FExternalOpStatusCache.Free;
inherited Destroy;
end;
function TNILMManager.GetConnection: TFDConnection;
begin
Result := DM.fdConnNilm;
if not Result.Connected then
raise Exception.Create('DB(NILM)가 연결되지 않았습니다. DB 탭에서 먼저 연결해주세요.');
end;
procedure TNILMManager.ExecSQL(const ASQL: string; AParams: array of Variant);
var
Q: TFDQuery;
i: Integer;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text := ASQL;
for i := 0 to High(AParams) do
Q.Params[i].Value := AParams[i];
Q.ExecSQL;
finally
Q.Free;
end;
end;
function TNILMManager.QuerySingleInt(const ASQL: string;
AParams: array of Variant): Integer;
var
Q: TFDQuery;
i: Integer;
begin
Result := 0;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text := ASQL;
for i := 0 to High(AParams) do
Q.Params[i].Value := AParams[i];
Q.Open;
if not Q.IsEmpty then
Result := Q.Fields[0].AsInteger;
finally
Q.Free;
end;
end;
procedure TNILMManager.EnsureTables;
const
DDL_DEVICE =
'CREATE TABLE IF NOT EXISTS nilm_device (' +
' id SERIAL PRIMARY KEY,' +
' device_id INTEGER NOT NULL UNIQUE,' +
' device_name VARCHAR(100) NOT NULL DEFAULT '''',' +
' location VARCHAR(200),' +
' phase_type VARCHAR(10) NOT NULL DEFAULT ''3PHASE'',' +
' is_active BOOLEAN NOT NULL DEFAULT TRUE,' +
' mqtt_topic VARCHAR(200),' +
' memo TEXT,' +
' op_target_phase VARCHAR(10) DEFAULT ''AVG'',' +
' op_threshold_off_current NUMERIC(10,4) DEFAULT 0,' +
' op_threshold_run_current NUMERIC(10,4) DEFAULT 0,' +
' op_threshold_pf NUMERIC(8,4) DEFAULT 0,' +
' created_at TIMESTAMP NOT NULL DEFAULT NOW(),' +
' updated_at TIMESTAMP NOT NULL DEFAULT NOW()' +
')';
DDL_SENSOR_CONFIG =
'CREATE TABLE IF NOT EXISTS nilm_sensor_config (' +
' id SERIAL PRIMARY KEY,' +
' device_id INTEGER NOT NULL,' +
' sensor_group VARCHAR(50) NOT NULL,' +
' field_key VARCHAR(50) NOT NULL,' +
' field_label VARCHAR(100),' +
' is_enabled BOOLEAN NOT NULL DEFAULT TRUE,' +
' display_order INTEGER NOT NULL DEFAULT 0,' +
' json_key VARCHAR(100),' +
' CONSTRAINT fk_nsc_device FOREIGN KEY (device_id) REFERENCES nilm_device(device_id) ON DELETE CASCADE ON UPDATE CASCADE,' +
' CONSTRAINT uq_nsc UNIQUE (device_id, field_key)' +
')';
DDL_DATA =
'CREATE TABLE IF NOT EXISTS nilm_data (' +
' id BIGSERIAL PRIMARY KEY,' +
' device_id INTEGER NOT NULL UNIQUE,' +
' seq INTEGER,' +
' pre_seq INTEGER,' +
' comm_status INTEGER DEFAULT 0,' +
' received_at TIMESTAMP NOT NULL DEFAULT NOW(),' +
' payload_json JSONB,' +
' power_factor_a NUMERIC(8,4), pk_l1 NUMERIC(10,4), vrms_a NUMERIC(8,2), irms_a NUMERIC(10,4), active_power_a NUMERIC(10,2), reactive_power_a NUMERIC(10,2), apparent_power_a NUMERIC(10,2),' +
' phase_angle_a NUMERIC(8,2), vthd_a NUMERIC(8,2), ithd_a NUMERIC(8,2), active_energy_import_a NUMERIC(14,2), active_energy_export_a NUMERIC(14,2), reactive_energy_import_a NUMERIC(14,2), reactive_energy_export_a NUMERIC(14,2), apparent_energy_a NUMERIC(14,2),' +
' power_factor_b NUMERIC(8,4), pk_l2 NUMERIC(10,4), vrms_b NUMERIC(8,2), irms_b NUMERIC(10,4), active_power_b NUMERIC(10,2), reactive_power_b NUMERIC(10,2), apparent_power_b NUMERIC(10,2),' +
' phase_angle_b NUMERIC(8,2), vthd_b NUMERIC(8,2), ithd_b NUMERIC(8,2), active_energy_import_b NUMERIC(14,2), active_energy_export_b NUMERIC(14,2), reactive_energy_import_b NUMERIC(14,2), reactive_energy_export_b NUMERIC(14,2), apparent_energy_b NUMERIC(14,2),' +
' power_factor_c NUMERIC(8,4), pk_l3 NUMERIC(10,4), vrms_c NUMERIC(8,2), irms_c NUMERIC(10,4), active_power_c NUMERIC(10,2), reactive_power_c NUMERIC(10,2), apparent_power_c NUMERIC(10,2),' +
' phase_angle_c NUMERIC(8,2), vthd_c NUMERIC(8,2), ithd_c NUMERIC(8,2), active_energy_import_c NUMERIC(14,2), active_energy_export_c NUMERIC(14,2), reactive_energy_import_c NUMERIC(14,2), reactive_energy_export_c NUMERIC(14,2), apparent_energy_c NUMERIC(14,2),' +
' temperature NUMERIC(6,2), temp_ext NUMERIC(6,2), frequency NUMERIC(8,2), event_flags VARCHAR(50),' +
' acc_x NUMERIC(8,4), acc_y NUMERIC(8,4), acc_z NUMERIC(8,4), vibration NUMERIC(8,4),' +
' gyro_x NUMERIC(8,4), gyro_y NUMERIC(8,4), gyro_z NUMERIC(8,4), tilt_angle NUMERIC(6,2),' +
' op_status VARCHAR(20)' +
'); ' +
'CREATE INDEX IF NOT EXISTS idx_nilm_data_device_received ON nilm_data (device_id, received_at DESC)';
DDL_DATA_HISTORY =
'CREATE TABLE IF NOT EXISTS nilm_data_history (' +
' id BIGSERIAL PRIMARY KEY,' +
' device_id INTEGER NOT NULL,' +
' seq INTEGER,' +
' received_at TIMESTAMP NOT NULL DEFAULT NOW(),' +
' active_power_a NUMERIC(10,2), active_power_b NUMERIC(10,2), active_power_c NUMERIC(10,2),' +
' reactive_power_a NUMERIC(10,2), reactive_power_b NUMERIC(10,2), reactive_power_c NUMERIC(10,2),' +
' apparent_power_a NUMERIC(10,2), apparent_power_b NUMERIC(10,2), apparent_power_c NUMERIC(10,2)' +
'); ' +
'CREATE INDEX IF NOT EXISTS idx_nilm_data_history_device_time ON nilm_data_history (device_id, received_at DESC)';
DDL_EVENT_LOG =
'CREATE TABLE IF NOT EXISTS nilm_event_log (' +
' id BIGSERIAL PRIMARY KEY,' +
' event_time TIMESTAMP NOT NULL DEFAULT NOW(),' +
' event_type VARCHAR(20) NOT NULL,' +
' device_id INTEGER,' +
' message TEXT,' +
' detail TEXT' +
'); ' +
'CREATE INDEX IF NOT EXISTS idx_nilm_event_log_time ON nilm_event_log (event_time DESC); ' +
'CREATE INDEX IF NOT EXISTS idx_nilm_event_log_device ON nilm_event_log (device_id, event_time DESC)';
DDL_GATEWAY_STATUS =
'CREATE TABLE IF NOT EXISTS nilm_gateway_status (' +
' gw VARCHAR(50) PRIMARY KEY,' +
' online BOOLEAN NOT NULL DEFAULT TRUE,' +
' nodes_total INTEGER DEFAULT 0,' +
' nodes_online INTEGER DEFAULT 0,' +
' cycle_ms INTEGER DEFAULT 0,' +
' uptime_s BIGINT DEFAULT 0,' +
' updated_at TIMESTAMP NOT NULL DEFAULT NOW()' +
')';
begin
ExecSQL(DDL_DEVICE, []);
ExecSQL(DDL_SENSOR_CONFIG, []);
// 기존 FK 제약조건 변경 (ON UPDATE CASCADE 추가)
try
ExecSQL('ALTER TABLE nilm_sensor_config DROP CONSTRAINT fk_nsc_device', []);
ExecSQL('ALTER TABLE nilm_sensor_config ADD CONSTRAINT fk_nsc_device FOREIGN KEY (device_id) REFERENCES nilm_device(device_id) ON DELETE CASCADE ON UPDATE CASCADE', []);
except end;
ExecSQL(DDL_DATA, []);
ExecSQL(DDL_DATA_HISTORY, []);
ExecSQL(DDL_EVENT_LOG, []);
ExecSQL(DDL_GATEWAY_STATUS, []);
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN op_target_phase VARCHAR(10) DEFAULT ''TOTAL''', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN op_threshold_off_current NUMERIC(10,4) DEFAULT 0', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN op_threshold_run_current NUMERIC(10,4) DEFAULT 0', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN op_threshold_pf NUMERIC(8,4) DEFAULT 0', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN is_estimate_power BOOLEAN DEFAULT TRUE', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN nominal_voltage NUMERIC(10,2) DEFAULT 220.0', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN assumed_pf NUMERIC(8,4) DEFAULT 0.90', []); except end;
try ExecSQL('ALTER TABLE nilm_device ADD COLUMN estimate_wiring VARCHAR(30) DEFAULT ''SINGLE''', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN op_status VARCHAR(20)', []); except end;
// nilm_data_history 확장을 위한 컬럼 추가 (데이터 히스토리 조회용)
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN pre_seq INTEGER', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN comm_status INTEGER DEFAULT 0', []); except end;
// ---------------------------------------------------------
// JSON 스키마 변경에 따른 기존 데이터베이스 컬럼명 일괄 갱신
// ---------------------------------------------------------
// nilm_data rename
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN v_l1 TO vrms_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN i_l1 TO irms_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN w_l1 TO active_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN var_l1 TO reactive_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN va_l1 TO apparent_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN pf_l1 TO power_factor_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN v_l2 TO vrms_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN i_l2 TO irms_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN w_l2 TO active_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN var_l2 TO reactive_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN va_l2 TO apparent_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN pf_l2 TO power_factor_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN v_l3 TO vrms_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN i_l3 TO irms_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN w_l3 TO active_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN var_l3 TO reactive_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN va_l3 TO apparent_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN pf_l3 TO power_factor_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data RENAME COLUMN temp_int TO temperature', []); except end;
// nilm_data_history rename
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN v_l1 TO vrms_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN i_l1 TO irms_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN w_l1 TO active_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN var_l1 TO reactive_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN va_l1 TO apparent_power_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN pf_l1 TO power_factor_a', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN v_l2 TO vrms_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN i_l2 TO irms_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN w_l2 TO active_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN var_l2 TO reactive_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN va_l2 TO apparent_power_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN pf_l2 TO power_factor_b', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN v_l3 TO vrms_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN i_l3 TO irms_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN w_l3 TO active_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN var_l3 TO reactive_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN va_l3 TO apparent_power_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN pf_l3 TO power_factor_c', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history RENAME COLUMN temp_int TO temperature', []); except end;
// 신규 필드 추가 (nilm_data, nilm_data_history 공통 및 일부 개별)
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN pre_seq INTEGER', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN comm_status INTEGER DEFAULT 0', []); except end;
// A상 추가
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN phase_angle_a NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN vthd_a NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN ithd_a NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_import_a NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_export_a NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_import_a NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_export_a NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN apparent_energy_a NUMERIC(14,2)', []); except end;
// B상 추가
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN phase_angle_b NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN vthd_b NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN ithd_b NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_import_b NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_export_b NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_import_b NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_export_b NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN apparent_energy_b NUMERIC(14,2)', []); except end;
// C상 추가
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN phase_angle_c NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN vthd_c NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN ithd_c NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_import_c NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN active_energy_export_c NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_import_c NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN reactive_energy_export_c NUMERIC(14,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN apparent_energy_c NUMERIC(14,2)', []); except end;
// 기타 공통
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN frequency NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN event_flags VARCHAR(50)', []); except end;
// 3P3W / 3P4W 신규 규격 컬럼 추가
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN wire VARCHAR(10)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN rssi INTEGER', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN wh BIGINT', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN total_p NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN total_q NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN total_s NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data ADD COLUMN total_pf NUMERIC(8,4)', []); except end;
// nilm_data_history 누락 컬럼 일괄 보강 (신규 스키마 및 마이그레이션 대응)
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN wire VARCHAR(10)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN rssi INTEGER', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN wh BIGINT', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN total_p NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN total_q NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN total_s NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN total_pf NUMERIC(8,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN power_factor_a NUMERIC(8,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN vrms_a NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN irms_a NUMERIC(10,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN active_power_a NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN reactive_power_a NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN apparent_power_a NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN power_factor_b NUMERIC(8,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN vrms_b NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN irms_b NUMERIC(10,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN active_power_b NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN reactive_power_b NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN apparent_power_b NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN power_factor_c NUMERIC(8,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN vrms_c NUMERIC(8,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN irms_c NUMERIC(10,4)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN active_power_c NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN reactive_power_c NUMERIC(10,2)', []); except end;
try ExecSQL('ALTER TABLE nilm_data_history ADD COLUMN apparent_power_c NUMERIC(10,2)', []); except end;
// 장비 추가 시 시퀀스 오류(duplicate key) 방지를 위한 시퀀스 동기화
try
ExecSQL('DO $$ BEGIN IF EXISTS (SELECT 1 FROM nilm_device) THEN ' +
'PERFORM setval(pg_get_serial_sequence(''nilm_device'', ''id''), (SELECT MAX(id) FROM nilm_device)); ' +
'END IF; END $$;', []);
except end;
try
ExecSQL('DO $$ BEGIN IF EXISTS (SELECT 1 FROM nilm_sensor_config) THEN ' +
'PERFORM setval(pg_get_serial_sequence(''nilm_sensor_config'', ''id''), (SELECT MAX(id) FROM nilm_sensor_config)); ' +
'END IF; END $$;', []);
except end;
end;
{ ─── 장비 CRUD ─────────────────────────────────────────────────────── }
function TNILMManager.LoadDevices: TList<TNILMDevice>;
var
Q : TFDQuery;
Device : TNILMDevice;
begin
Result := TList<TNILMDevice>.Create;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text :=
'SELECT id, device_id, device_name, location, phase_type, ' +
' is_active, mqtt_topic, memo, op_target_phase, ' +
' op_threshold_off_current, op_threshold_run_current, op_threshold_pf, ' +
' is_estimate_power, nominal_voltage, assumed_pf, estimate_wiring, ' +
' created_at, updated_at ' +
'FROM nilm_device ORDER BY device_id';
Q.Open;
while not Q.EOF do
begin
Device := TNILMDevice.CreateNew;
Device.ID := Q.FieldByName('id').AsInteger;
Device.DeviceID := Q.FieldByName('device_id').AsInteger;
Device.DeviceName := Q.FieldByName('device_name').AsString;
Device.Location := Q.FieldByName('location').AsString;
Device.PhaseType := Q.FieldByName('phase_type').AsString;
Device.IsActive := Q.FieldByName('is_active').AsBoolean;
Device.MqttTopic := Q.FieldByName('mqtt_topic').AsString;
Device.Memo := Q.FieldByName('memo').AsString;
Device.OpTargetPhase := Q.FieldByName('op_target_phase').AsString;
Device.OpThresholdOffCurrent := Q.FieldByName('op_threshold_off_current').AsFloat;
Device.OpThresholdRunCurrent := Q.FieldByName('op_threshold_run_current').AsFloat;
Device.OpThresholdPF := Q.FieldByName('op_threshold_pf').AsFloat;
if not Q.FieldByName('is_estimate_power').IsNull then
Device.IsEstimatePower := Q.FieldByName('is_estimate_power').AsBoolean
else
Device.IsEstimatePower := True;
if not Q.FieldByName('nominal_voltage').IsNull then
Device.NominalVoltage := Q.FieldByName('nominal_voltage').AsFloat
else
Device.NominalVoltage := 220.0;
if not Q.FieldByName('assumed_pf').IsNull then
Device.AssumedPF := Q.FieldByName('assumed_pf').AsFloat
else
Device.AssumedPF := 0.90;
if not Q.FieldByName('estimate_wiring').IsNull then
Device.EstimateWiring := Q.FieldByName('estimate_wiring').AsString
else
Device.EstimateWiring := 'SINGLE';
Device.CreatedAt := Q.FieldByName('created_at').AsDateTime;
Device.UpdatedAt := Q.FieldByName('updated_at').AsDateTime;
LoadSensorsForDevice(Device.DeviceID, Device.SensorList);
Result.Add(Device);
Q.Next;
end;
finally
Q.Free;
end;
end;
function TNILMManager.LoadDevice(ADeviceID: Integer): TNILMDevice;
var
Q: TFDQuery;
begin
Result := TNILMDevice.CreateNew;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text :=
'SELECT id, device_id, device_name, location, phase_type, ' +
' is_active, mqtt_topic, memo, op_target_phase, ' +
' op_threshold_off_current, op_threshold_run_current, op_threshold_pf, ' +
' is_estimate_power, nominal_voltage, assumed_pf, estimate_wiring, ' +
' created_at, updated_at ' +
'FROM nilm_device WHERE device_id = :did';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.Open;
if not Q.IsEmpty then
begin
Result.ID := Q.FieldByName('id').AsInteger;
Result.DeviceID := Q.FieldByName('device_id').AsInteger;
Result.DeviceName:= Q.FieldByName('device_name').AsString;
Result.Location := Q.FieldByName('location').AsString;
Result.PhaseType := Q.FieldByName('phase_type').AsString;
Result.IsActive := Q.FieldByName('is_active').AsBoolean;
Result.MqttTopic := Q.FieldByName('mqtt_topic').AsString;
Result.Memo := Q.FieldByName('memo').AsString;
Result.OpTargetPhase := Q.FieldByName('op_target_phase').AsString;
Result.OpThresholdOffCurrent := Q.FieldByName('op_threshold_off_current').AsFloat;
Result.OpThresholdRunCurrent := Q.FieldByName('op_threshold_run_current').AsFloat;
Result.OpThresholdPF := Q.FieldByName('op_threshold_pf').AsFloat;
if not Q.FieldByName('is_estimate_power').IsNull then
Result.IsEstimatePower := Q.FieldByName('is_estimate_power').AsBoolean
else
Result.IsEstimatePower := True;
if not Q.FieldByName('nominal_voltage').IsNull then
Result.NominalVoltage := Q.FieldByName('nominal_voltage').AsFloat
else
Result.NominalVoltage := 220.0;
if not Q.FieldByName('assumed_pf').IsNull then
Result.AssumedPF := Q.FieldByName('assumed_pf').AsFloat
else
Result.AssumedPF := 0.90;
if not Q.FieldByName('estimate_wiring').IsNull then
Result.EstimateWiring := Q.FieldByName('estimate_wiring').AsString
else
Result.EstimateWiring := 'SINGLE';
Result.CreatedAt := Q.FieldByName('created_at').AsDateTime;
Result.UpdatedAt := Q.FieldByName('updated_at').AsDateTime;
LoadSensorsForDevice(ADeviceID, Result.SensorList);
end;
finally
Q.Free;
end;
end;
procedure TNILMManager.LoadSensorsForDevice(ADeviceID: Integer;
AList: TNILMSensorConfigList);
var
Q : TFDQuery;
SC : TNILMSensorConfig;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text :=
'SELECT id, device_id, sensor_group, field_key, field_label, ' +
' is_enabled, display_order, json_key ' +
'FROM nilm_sensor_config WHERE device_id = :did ORDER BY display_order';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.Open;
while not Q.EOF do
begin
SC.ID := Q.FieldByName('id').AsInteger;
SC.DeviceID := Q.FieldByName('device_id').AsInteger;
SC.SensorGroup := Q.FieldByName('sensor_group').AsString;
SC.FieldKey := Q.FieldByName('field_key').AsString;
SC.FieldLabel := Q.FieldByName('field_label').AsString;
SC.IsEnabled := Q.FieldByName('is_enabled').AsBoolean;
SC.DisplayOrder := Q.FieldByName('display_order').AsInteger;
SC.JsonKey := Q.FieldByName('json_key').AsString;
AList.Add(SC);
Q.Next;
end;
finally
Q.Free;
end;
end;
function SafeDBStr(const S: string): string;
begin
if S = '' then Result := '' else Result := StringReplace(S, #0, '', [rfReplaceAll]);
end;
function TNILMManager.SaveDevice(var ADevice: TNILMDevice): Boolean;
var
Q : TFDQuery;
IsInsert : Boolean;
begin
Result := False;
ADevice.UpdatedAt := Now;
IsInsert := (ADevice.ID = 0);
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
if IsInsert then
begin
Q.SQL.Text :=
'INSERT INTO nilm_device ' +
' (device_id, device_name, location, phase_type, is_active, mqtt_topic, memo, ' +
' op_target_phase, op_threshold_off_current, op_threshold_run_current, op_threshold_pf, ' +
' is_estimate_power, nominal_voltage, assumed_pf, estimate_wiring, ' +
' created_at, updated_at) ' +
'VALUES (:did, :dname, :loc, :ptype, CAST(:active AS BOOLEAN), :topic, :memo, ' +
' :opphase, :opoffc, :oprunc, :oppf, ' +
' CAST(:isest AS BOOLEAN), :nomv, :asspf, :estwire, ' +
' NOW(), NOW()) ' +
'RETURNING id';
Q.ParamByName('did').AsInteger := ADevice.DeviceID;
Q.ParamByName('dname').AsWideString := SafeDBStr(ADevice.DeviceName);
Q.ParamByName('loc').AsWideString := SafeDBStr(ADevice.Location);
Q.ParamByName('ptype').AsWideString := SafeDBStr(ADevice.PhaseType);
if ADevice.IsActive then
Q.ParamByName('active').AsString := 'true'
else
Q.ParamByName('active').AsString := 'false';
Q.ParamByName('topic').AsWideString := SafeDBStr(ADevice.MqttTopic);
Q.ParamByName('memo').AsWideString := SafeDBStr(ADevice.Memo);
Q.ParamByName('opphase').AsWideString := SafeDBStr(ADevice.OpTargetPhase);
Q.ParamByName('opoffc').AsFloat := ADevice.OpThresholdOffCurrent;
Q.ParamByName('oprunc').AsFloat := ADevice.OpThresholdRunCurrent;
Q.ParamByName('oppf').AsFloat := ADevice.OpThresholdPF;
if ADevice.IsEstimatePower then
Q.ParamByName('isest').AsString := 'true'
else
Q.ParamByName('isest').AsString := 'false';
Q.ParamByName('nomv').AsFloat := ADevice.NominalVoltage;
Q.ParamByName('asspf').AsFloat := ADevice.AssumedPF;
Q.ParamByName('estwire').AsWideString := SafeDBStr(ADevice.EstimateWiring);
Q.Open;
if not Q.IsEmpty then
ADevice.ID := Q.Fields[0].AsInteger;
end
else
begin
Q.SQL.Text :=
'UPDATE nilm_device SET ' +
' device_id = :did, device_name = :dname, location = :loc,' +
' phase_type = :ptype, is_active = CAST(:active AS BOOLEAN), mqtt_topic = :topic,' +
' memo = :memo, ' +
' op_target_phase = :opphase, op_threshold_off_current = :opoffc, op_threshold_run_current = :oprunc, op_threshold_pf = :oppf, ' +
' is_estimate_power = CAST(:isest AS BOOLEAN), nominal_voltage = :nomv, assumed_pf = :asspf, estimate_wiring = :estwire, ' +
' updated_at = NOW() ' +
'WHERE id = :id';
Q.ParamByName('id').AsInteger := ADevice.ID;
Q.ParamByName('did').AsInteger := ADevice.DeviceID;
Q.ParamByName('dname').AsWideString := SafeDBStr(ADevice.DeviceName);
Q.ParamByName('loc').AsWideString := SafeDBStr(ADevice.Location);
Q.ParamByName('ptype').AsWideString := SafeDBStr(ADevice.PhaseType);
if ADevice.IsActive then
Q.ParamByName('active').AsString := 'true'
else
Q.ParamByName('active').AsString := 'false';
Q.ParamByName('topic').AsWideString := SafeDBStr(ADevice.MqttTopic);
Q.ParamByName('memo').AsWideString := SafeDBStr(ADevice.Memo);
Q.ParamByName('opphase').AsWideString := SafeDBStr(ADevice.OpTargetPhase);
Q.ParamByName('opoffc').AsFloat := ADevice.OpThresholdOffCurrent;
Q.ParamByName('oprunc').AsFloat := ADevice.OpThresholdRunCurrent;
Q.ParamByName('oppf').AsFloat := ADevice.OpThresholdPF;
if ADevice.IsEstimatePower then
Q.ParamByName('isest').AsString := 'true'
else
Q.ParamByName('isest').AsString := 'false';
Q.ParamByName('nomv').AsFloat := ADevice.NominalVoltage;
Q.ParamByName('asspf').AsFloat := ADevice.AssumedPF;
Q.ParamByName('estwire').AsWideString := SafeDBStr(ADevice.EstimateWiring);
Q.ExecSQL;
end;
// 센서 설정도 저장
if Assigned(ADevice.SensorList) and (ADevice.SensorList.Count > 0) then
SaveSensors(ADevice.DeviceID, ADevice.SensorList);
Result := True;
finally
Q.Free;
end;
end;
function TNILMManager.DeleteDevice(ADeviceID: Integer): Boolean;
var
Q: TFDQuery;
begin
Result := False;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
// 센서 설정은 ON DELETE CASCADE 로 자동 삭제
Q.SQL.Text := 'DELETE FROM nilm_device WHERE device_id = :did';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ExecSQL;
Result := True;
finally
Q.Free;
end;
end;
function TNILMManager.DeviceIDExists(ADeviceID, AExcludeID: Integer): Boolean;
var
Cnt: Integer;
begin
Cnt := QuerySingleInt(
'SELECT COUNT(*) FROM nilm_device WHERE device_id = :did AND id <> :eid',
[ADeviceID, AExcludeID]);
Result := (Cnt > 0);
end;
{ ─── 센서 설정 ─────────────────────────────────────────────────────── }
function TNILMManager.SaveSensors(ADeviceID: Integer;
AList: TNILMSensorConfigList): Boolean;
var
Q : TFDQuery;
SC : TNILMSensorConfig;
begin
Result := False;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
for SC in AList do
begin
// UPSERT: 같은 (device_id, field_key) 가 있으면 UPDATE, 없으면 INSERT
Q.SQL.Text :=
'INSERT INTO nilm_sensor_config ' +
' (device_id, sensor_group, field_key, field_label, is_enabled, display_order, json_key) ' +
'VALUES (:did, :sgrp, :fkey, :flbl, CAST(:enabled AS BOOLEAN), :dord, :jkey) ' +
'ON CONFLICT (device_id, field_key) DO UPDATE SET ' +
' sensor_group = EXCLUDED.sensor_group,' +
' field_label = EXCLUDED.field_label,' +
' is_enabled = EXCLUDED.is_enabled,' +
' display_order = EXCLUDED.display_order,' +
' json_key = EXCLUDED.json_key';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ParamByName('sgrp').AsWideString := SafeDBStr(SC.SensorGroup);
Q.ParamByName('fkey').AsWideString := SafeDBStr(SC.FieldKey);
Q.ParamByName('flbl').AsWideString := SafeDBStr(SC.FieldLabel);
if SC.IsEnabled then
Q.ParamByName('enabled').AsString := 'true'
else
Q.ParamByName('enabled').AsString := 'false';
Q.ParamByName('dord').AsInteger := SC.DisplayOrder;
Q.ParamByName('jkey').AsWideString := SafeDBStr(SC.JsonKey);
Q.ExecSQL;
end;
Result := True;
finally
Q.Free;
end;
end;
{ ─── JSON 내보내기 / 가져오기 ───────────────────────────────────────── }
procedure TNILMManager.ExportToJSON(const AFilePath: string;
ADevices: TList<TNILMDevice>);
var
Root : TJSONObject;
DevArr : TJSONArray;
DevObj : TJSONObject;
SenArr : TJSONArray;
SenObj : TJSONObject;
Device : TNILMDevice;
SC : TNILMSensorConfig;
begin
Root := TJSONObject.Create;
try
DevArr := TJSONArray.Create;
for Device in ADevices do
begin
DevObj := TJSONObject.Create;
DevObj.AddPair('id', TJSONNumber.Create(Device.ID));
DevObj.AddPair('device_id', TJSONNumber.Create(Device.DeviceID));
DevObj.AddPair('device_name', Device.DeviceName);
DevObj.AddPair('location', Device.Location);
DevObj.AddPair('phase_type', Device.PhaseType);
DevObj.AddPair('is_active', TJSONBool.Create(Device.IsActive));
DevObj.AddPair('mqtt_topic', Device.MqttTopic);
DevObj.AddPair('memo', Device.Memo);
DevObj.AddPair('op_target_phase', Device.OpTargetPhase);
DevObj.AddPair('op_threshold_off_current', TJSONNumber.Create(Device.OpThresholdOffCurrent));
DevObj.AddPair('op_threshold_run_current', TJSONNumber.Create(Device.OpThresholdRunCurrent));
DevObj.AddPair('op_threshold_pf', TJSONNumber.Create(Device.OpThresholdPF));
SenArr := TJSONArray.Create;
if Assigned(Device.SensorList) then
for SC in Device.SensorList do
begin
SenObj := TJSONObject.Create;
SenObj.AddPair('sensor_group', SC.SensorGroup);
SenObj.AddPair('field_key', SC.FieldKey);
SenObj.AddPair('field_label', SC.FieldLabel);
SenObj.AddPair('is_enabled', TJSONBool.Create(SC.IsEnabled));
SenObj.AddPair('display_order', TJSONNumber.Create(SC.DisplayOrder));
SenArr.AddElement(SenObj);
end;
DevObj.AddPair('sensors', SenArr);
DevArr.AddElement(DevObj);
end;
Root.AddPair('exported_at', FormatDateTime('yyyy-mm-dd hh:nn:ss', Now));
Root.AddPair('devices', DevArr);
TFile.WriteAllText(AFilePath, Root.Format, TEncoding.UTF8);
finally
Root.Free;
end;
end;
function TNILMManager.ImportFromJSON(const AFilePath: string): TList<TNILMDevice>;
var
Raw : string;
Root : TJSONObject;
DevArr : TJSONArray;
DevObj : TJSONObject;
SenArr : TJSONArray;
SenObj : TJSONObject;
Device : TNILMDevice;
SC : TNILMSensorConfig;
i, j : Integer;
strVal : TJSONString;
numVal : TJSONNumber;
begin
Result := TList<TNILMDevice>.Create;
Raw := TFile.ReadAllText(AFilePath, TEncoding.UTF8);
Root := TJSONObject.ParseJSONValue(Raw) as TJSONObject;
if Root = nil then Exit;
try
DevArr := Root.GetValue<TJSONArray>('devices');
if DevArr = nil then Exit;
for i := 0 to DevArr.Count - 1 do
begin
DevObj := DevArr.Items[i] as TJSONObject;
Device := TNILMDevice.CreateNew;
Device.ID := DevObj.GetValue<TJSONNumber>('id').AsInt;
Device.DeviceID := DevObj.GetValue<TJSONNumber>('device_id').AsInt;
Device.DeviceName := DevObj.GetValue<TJSONString>('device_name').Value;
Device.Location := DevObj.GetValue<TJSONString>('location').Value;
Device.PhaseType := DevObj.GetValue<TJSONString>('phase_type').Value;
Device.IsActive := DevObj.GetValue<TJSONBool>('is_active').AsBoolean;
Device.MqttTopic := DevObj.GetValue<TJSONString>('mqtt_topic').Value;
Device.Memo := DevObj.GetValue<TJSONString>('memo').Value;
strVal := DevObj.GetValue('op_target_phase') as TJSONString;
if Assigned(strVal) then
Device.OpTargetPhase := strVal.Value
else
Device.OpTargetPhase := 'AVG';
numVal := DevObj.GetValue('op_threshold_off_current') as TJSONNumber;
if Assigned(numVal) then
Device.OpThresholdOffCurrent := numVal.AsDouble;
numVal := DevObj.GetValue('op_threshold_run_current') as TJSONNumber;
if Assigned(numVal) then
Device.OpThresholdRunCurrent := numVal.AsDouble;
numVal := DevObj.GetValue('op_threshold_pf') as TJSONNumber;
if Assigned(numVal) then
Device.OpThresholdPF := numVal.AsDouble;
SenArr := DevObj.GetValue<TJSONArray>('sensors');
if Assigned(SenArr) then
for j := 0 to SenArr.Count - 1 do
begin
SenObj := SenArr.Items[j] as TJSONObject;
SC.ID := 0;
SC.DeviceID := Device.DeviceID;
SC.SensorGroup := SenObj.GetValue<TJSONString>('sensor_group').Value;
SC.FieldKey := SenObj.GetValue<TJSONString>('field_key').Value;
SC.FieldLabel := SenObj.GetValue<TJSONString>('field_label').Value;
SC.IsEnabled := SenObj.GetValue<TJSONBool>('is_enabled').AsBoolean;
SC.DisplayOrder := SenObj.GetValue<TJSONNumber>('display_order').AsInt;
Device.SensorList.Add(SC);
end;
Result.Add(Device);
end;
finally
Root.Free;
end;
end;
{ ─── 히스토리 데이터 저장 ─────────────────────────────────────────────── }
procedure TNILMManager.SaveMeasurementData(ADeviceID: Integer; const ADeviceName: string;
const APayload: TNILMMeasurementPayload; const APayloadJSON, AOpStatus: string;
ASensorList: TNILMSensorConfigList; bSeqChanged: Boolean);
var
Q: TFDQuery;
NilmName: string;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
if bSeqChanged then
begin
// 상태 변경 감지 및 외부 DB 연동 (메모리 캐시 사용)
var LNewOpStatus := StrToIntDef(AOpStatus, 0);
var LSyncNeeded := False;
if not FExternalOpStatusCache.ContainsKey(ADeviceID) then
LSyncNeeded := True
else if FExternalOpStatusCache[ADeviceID] <> LNewOpStatus then
LSyncNeeded := True;
if LSyncNeeded then
begin
if Trim(ADeviceName) <> '' then
NilmName := Trim(ADeviceName)
else
NilmName := IntToStr(ADeviceID);
SaveExternalOpStatus(NilmName, LNewOpStatus);
FExternalOpStatusCache.AddOrSetValue(ADeviceID, LNewOpStatus);
end;
// 1. 최신 실시간 데이터 UPSERT (seq가 변경된 경우에만 전체 데이터 갱신)
Q.SQL.Text :=
'INSERT INTO nilm_data' +
' (device_id, seq, pre_seq, comm_status, received_at, payload_json, op_status,' +
' wire, rssi, wh, total_p, total_q, total_s, total_pf,' +
' power_factor_a, vrms_a, irms_a, active_power_a, reactive_power_a, apparent_power_a,' +
' power_factor_b, vrms_b, irms_b, active_power_b, reactive_power_b, apparent_power_b,' +
' power_factor_c, vrms_c, irms_c, active_power_c, reactive_power_c, apparent_power_c,' +
' frequency)' +
' VALUES' +
' (:did, :seq, :preseq, :comm, NOW(), CAST(:pjson AS JSONB), :opstatus,' +
' :wire, :rssi, :wh, :totp, :totq, :tots, :totpf,' +
' :pfa, :vrmsa, :irmsa, :apa, :rpa, :appa,' +
' :pfb, :vrmsb, :irmsb, :apb, :rpb, :appb,' +
' :pfc, :vrmsc, :irmsc, :apc, :rpc, :appc,' +
' :freq)' +
' ON CONFLICT (device_id) DO UPDATE SET ' +
' seq=EXCLUDED.seq, pre_seq=EXCLUDED.pre_seq, comm_status=EXCLUDED.comm_status, received_at=NOW(), payload_json=EXCLUDED.payload_json, op_status=EXCLUDED.op_status, ' +
' wire=EXCLUDED.wire, rssi=EXCLUDED.rssi, wh=EXCLUDED.wh, total_p=EXCLUDED.total_p, total_q=EXCLUDED.total_q, total_s=EXCLUDED.total_s, total_pf=EXCLUDED.total_pf, ' +
' power_factor_a=EXCLUDED.power_factor_a, vrms_a=EXCLUDED.vrms_a, irms_a=EXCLUDED.irms_a, active_power_a=EXCLUDED.active_power_a, reactive_power_a=EXCLUDED.reactive_power_a, apparent_power_a=EXCLUDED.apparent_power_a, ' +
' power_factor_b=EXCLUDED.power_factor_b, vrms_b=EXCLUDED.vrms_b, irms_b=EXCLUDED.irms_b, active_power_b=EXCLUDED.active_power_b, reactive_power_b=EXCLUDED.reactive_power_b, apparent_power_b=EXCLUDED.apparent_power_b, ' +
' power_factor_c=EXCLUDED.power_factor_c, vrms_c=EXCLUDED.vrms_c, irms_c=EXCLUDED.irms_c, active_power_c=EXCLUDED.active_power_c, reactive_power_c=EXCLUDED.reactive_power_c, apparent_power_c=EXCLUDED.apparent_power_c, ' +
' frequency=EXCLUDED.frequency';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ParamByName('seq').AsInteger := APayload.seq;
Q.ParamByName('preseq').AsInteger := 0;
Q.ParamByName('comm').AsInteger := APayload.COMM;
Q.ParamByName('pjson').AsString := APayloadJSON;
Q.ParamByName('opstatus').AsString := AOpStatus;
Q.ParamByName('wire').AsString := APayload.wire;
Q.ParamByName('rssi').AsInteger := APayload.rssi;
Q.ParamByName('wh').AsLargeInt := APayload.wh;
Q.ParamByName('totp').AsFloat := APayload.total.p;
Q.ParamByName('totq').AsFloat := APayload.total.q;
Q.ParamByName('tots').AsFloat := APayload.total.s;
Q.ParamByName('totpf').AsFloat := APayload.total.pf;
// Channel 0 (A)
Q.ParamByName('pfa').AsFloat := APayload.ch[0].pf;
Q.ParamByName('vrmsa').AsFloat := APayload.ch[0].v;
Q.ParamByName('irmsa').AsFloat := APayload.ch[0].i;
Q.ParamByName('apa').AsFloat := APayload.ch[0].p;
Q.ParamByName('rpa').AsFloat := APayload.ch[0].q;
Q.ParamByName('appa').AsFloat := APayload.ch[0].s;
// Channel 1 (B) - 3P3W일 경우 미사용(0 또는 null)
if (APayload.wire = PHASE_3P3W) or (not APayload.ch[1].IsValid) then
begin
Q.ParamByName('pfb').AsFloat := 0.0;
Q.ParamByName('vrmsb').AsFloat := 0.0;
Q.ParamByName('irmsb').AsFloat := 0.0;
Q.ParamByName('apb').AsFloat := 0.0;
Q.ParamByName('rpb').AsFloat := 0.0;
Q.ParamByName('appb').AsFloat := 0.0;
end
else
begin
Q.ParamByName('pfb').AsFloat := APayload.ch[1].pf;
Q.ParamByName('vrmsb').AsFloat := APayload.ch[1].v;
Q.ParamByName('irmsb').AsFloat := APayload.ch[1].i;
Q.ParamByName('apb').AsFloat := APayload.ch[1].p;
Q.ParamByName('rpb').AsFloat := APayload.ch[1].q;
Q.ParamByName('appb').AsFloat := APayload.ch[1].s;
end;
// Channel 2 (C)
Q.ParamByName('pfc').AsFloat := APayload.ch[2].pf;
Q.ParamByName('vrmsc').AsFloat := APayload.ch[2].v;
Q.ParamByName('irmsc').AsFloat := APayload.ch[2].i;
Q.ParamByName('apc').AsFloat := APayload.ch[2].p;
Q.ParamByName('rpc').AsFloat := APayload.ch[2].q;
Q.ParamByName('appc').AsFloat := APayload.ch[2].s;
Q.ParamByName('freq').AsFloat := APayload.freq;
Q.ExecSQL;
Q.Close;
// 2. 이력 테이블에 전체 데이터 저장 (예외 발생 시에도 메인 흐름 차단 방지)
try
Q.SQL.Text :=
'INSERT INTO nilm_data_history ' +
' (device_id, seq, pre_seq, comm_status, received_at, ' +
' wire, rssi, wh, total_p, total_q, total_s, total_pf, ' +
' power_factor_a, vrms_a, irms_a, active_power_a, reactive_power_a, apparent_power_a, ' +
' power_factor_b, vrms_b, irms_b, active_power_b, reactive_power_b, apparent_power_b, ' +
' power_factor_c, vrms_c, irms_c, active_power_c, reactive_power_c, apparent_power_c) ' +
' VALUES ' +
' (:did, :seq, :preseq, :comm, NOW(), ' +
' :wire, :rssi, :wh, :totp, :totq, :tots, :totpf, ' +
' :pfa, :vrmsa, :irmsa, :apa, :rpa, :appa, ' +
' :pfb, :vrmsb, :irmsb, :apb, :rpb, :appb, ' +
' :pfc, :vrmsc, :irmsc, :apc, :rpc, :appc)';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ParamByName('seq').AsInteger := APayload.seq;
Q.ParamByName('preseq').AsInteger := 0;
Q.ParamByName('comm').AsInteger := APayload.COMM;
Q.ParamByName('wire').AsString := APayload.wire;
Q.ParamByName('rssi').AsInteger := APayload.rssi;
Q.ParamByName('wh').AsLargeInt := APayload.wh;
Q.ParamByName('totp').AsFloat := APayload.total.p;
Q.ParamByName('totq').AsFloat := APayload.total.q;
Q.ParamByName('tots').AsFloat := APayload.total.s;
Q.ParamByName('totpf').AsFloat := APayload.total.pf;
Q.ParamByName('pfa').AsFloat := APayload.ch[0].pf;
Q.ParamByName('vrmsa').AsFloat := APayload.ch[0].v;
Q.ParamByName('irmsa').AsFloat := APayload.ch[0].i;
Q.ParamByName('apa').AsFloat := APayload.ch[0].p;
Q.ParamByName('rpa').AsFloat := APayload.ch[0].q;
Q.ParamByName('appa').AsFloat := APayload.ch[0].s;
if (APayload.wire = PHASE_3P3W) or (not APayload.ch[1].IsValid) then
begin
Q.ParamByName('pfb').AsFloat := 0.0;
Q.ParamByName('vrmsb').AsFloat := 0.0;
Q.ParamByName('irmsb').AsFloat := 0.0;
Q.ParamByName('apb').AsFloat := 0.0;
Q.ParamByName('rpb').AsFloat := 0.0;
Q.ParamByName('appb').AsFloat := 0.0;
end
else
begin
Q.ParamByName('pfb').AsFloat := APayload.ch[1].pf;
Q.ParamByName('vrmsb').AsFloat := APayload.ch[1].v;
Q.ParamByName('irmsb').AsFloat := APayload.ch[1].i;
Q.ParamByName('apb').AsFloat := APayload.ch[1].p;
Q.ParamByName('rpb').AsFloat := APayload.ch[1].q;
Q.ParamByName('appb').AsFloat := APayload.ch[1].s;
end;
Q.ParamByName('pfc').AsFloat := APayload.ch[2].pf;
Q.ParamByName('vrmsc').AsFloat := APayload.ch[2].v;
Q.ParamByName('irmsc').AsFloat := APayload.ch[2].i;
Q.ParamByName('apc').AsFloat := APayload.ch[2].p;
Q.ParamByName('rpc').AsFloat := APayload.ch[2].q;
Q.ParamByName('appc').AsFloat := APayload.ch[2].s;
Q.ExecSQL;
except
on E: Exception do
if Assigned(FOnError) then FOnError('[이력저장 오류] ' + E.Message);
end;
end
else
begin
// seq가 변경되지 않은 경우 단순히 통신 시간만 갱신 (DB 부하 대폭 감소)
Q.SQL.Text := 'UPDATE nilm_data SET received_at=NOW() WHERE device_id = :did';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ExecSQL;
end;
finally
Q.Free;
end;
end;
procedure TNILMManager.SaveNILMData(ADeviceID: Integer; const ADeviceName: string; ASeq, APreSeq, ACommStatus: Integer;
const APayloadJSON, AOpStatus: string; AData: TJSONObject; ASensorList: TNILMSensorConfigList; bSeqChanged: Boolean);
function GetNum(const AKey: string): Double;
var JV: TJSONValue;
begin
Result := 0;
JV := AData.GetValue(AKey);
if Assigned(JV) then
Result := StrToFloatDef(JV.Value, 0);
end;
function GetJsonKey(const AFieldKey, ADefault: string): string;
var SC: TNILMSensorConfig;
begin
Result := ADefault;
if Assigned(ASensorList) then
for SC in ASensorList do
if SameText(SC.FieldKey, AFieldKey) then
begin
if SC.JsonKey <> '' then
Result := SC.JsonKey;
Exit;
end;
end;
var
Payload: TNILMMeasurementPayload;
begin
Payload.Clear;
Payload.seq := ASeq;
Payload.COMM := ACommStatus;
Payload.wire := PHASE_3P4W;
var jvWire := AData.GetValue('wire');
if Assigned(jvWire) then Payload.wire := jvWire.Value;
var jvRssi := AData.GetValue('rssi');
if Assigned(jvRssi) then Payload.rssi := StrToIntDef(jvRssi.Value, 0);
var jvFreq := AData.GetValue('frequency');
if Assigned(jvFreq) then Payload.freq := StrToFloatDef(jvFreq.Value, 0.0);
var jvWh := AData.GetValue('wh');
if Assigned(jvWh) then Payload.wh := StrToInt64Def(jvWh.Value, 0);
// A상
Payload.ch[0].IsValid := True;
Payload.ch[0].pf := GetNum(GetJsonKey('power_factor_a', 'power_factor_a'));
Payload.ch[0].v := GetNum(GetJsonKey('vrms_a', 'vrms_a'));
Payload.ch[0].i := GetNum(GetJsonKey('irms_a', 'irms_a'));
Payload.ch[0].p := GetNum(GetJsonKey('active_power_a', 'active_power_a'));
Payload.ch[0].q := GetNum(GetJsonKey('reactive_power_a', 'reactive_power_a'));
Payload.ch[0].s := GetNum(GetJsonKey('apparent_power_a', 'apparent_power_a'));
// B상
if Payload.wire <> PHASE_3P3W then
begin
Payload.ch[1].IsValid := True;
Payload.ch[1].pf := GetNum(GetJsonKey('power_factor_b', 'power_factor_b'));
Payload.ch[1].v := GetNum(GetJsonKey('vrms_b', 'vrms_b'));
Payload.ch[1].i := GetNum(GetJsonKey('irms_b', 'irms_b'));
Payload.ch[1].p := GetNum(GetJsonKey('active_power_b', 'active_power_b'));
Payload.ch[1].q := GetNum(GetJsonKey('reactive_power_b', 'reactive_power_b'));
Payload.ch[1].s := GetNum(GetJsonKey('apparent_power_b', 'apparent_power_b'));
end;
// C상
Payload.ch[2].IsValid := True;
Payload.ch[2].pf := GetNum(GetJsonKey('power_factor_c', 'power_factor_c'));
Payload.ch[2].v := GetNum(GetJsonKey('vrms_c', 'vrms_c'));
Payload.ch[2].i := GetNum(GetJsonKey('irms_c', 'irms_c'));
Payload.ch[2].p := GetNum(GetJsonKey('active_power_c', 'active_power_c'));
Payload.ch[2].q := GetNum(GetJsonKey('reactive_power_c', 'reactive_power_c'));
Payload.ch[2].s := GetNum(GetJsonKey('apparent_power_c', 'apparent_power_c'));
// Total
Payload.total.p := GetNum('total_p');
if (Payload.total.p = 0) and (Payload.ch[0].p > 0) then
begin
if Payload.wire = PHASE_3P3W then
Payload.total.p := Payload.ch[0].p + Payload.ch[2].p
else
Payload.total.p := Payload.ch[0].p + Payload.ch[1].p + Payload.ch[2].p;
end;
Payload.total.q := GetNum('total_q');
Payload.total.s := GetNum('total_s');
Payload.total.pf := GetNum('total_pf');
SaveMeasurementData(ADeviceID, ADeviceName, Payload, APayloadJSON, AOpStatus, ASensorList, bSeqChanged);
end;
procedure TNILMManager.SaveNodeStatus(ADeviceID: Integer;
const AStatus: TNILMNodeStatusPayload);
var
Q: TFDQuery;
LCommStatus: Integer;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
if AStatus.online then LCommStatus := 0 else LCommStatus := 255;
Q.SQL.Text :=
'UPDATE nilm_data SET ' +
' comm_status = :comm, ' +
' received_at = NOW() ' +
'WHERE device_id = :did';
Q.ParamByName('comm').AsInteger := LCommStatus;
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ExecSQL;
SaveEventLog('NODE_STATUS', ADeviceID,
Format('[NodeStatus] online=%s, loss_rate=%.2f%% (polls:%d, resps:%d)',
[BoolToStr(AStatus.online, True), AStatus.loss_rate * 100, AStatus.polls, AStatus.responses]),
Format('gw=%s, dev=%s, last_seen_age_s=%d', [AStatus.gw, AStatus.dev, AStatus.last_seen_age_s]));
finally
Q.Free;
end;
end;
procedure TNILMManager.SaveGatewayStatus(const AGateway: TNILMGatewayPayload);
var
Q: TFDQuery;
begin
if AGateway.gw = '' then Exit;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text :=
'INSERT INTO nilm_gateway_status ' +
' (gw, online, nodes_total, nodes_online, cycle_ms, uptime_s, updated_at) ' +
'VALUES (:gw, :online, :ntot, :nonl, :cyc, :upt, NOW()) ' +
'ON CONFLICT (gw) DO UPDATE SET ' +
' online = EXCLUDED.online, ' +
' nodes_total = EXCLUDED.nodes_total, ' +
' nodes_online = EXCLUDED.nodes_online, ' +
' cycle_ms = EXCLUDED.cycle_ms, ' +
' uptime_s = EXCLUDED.uptime_s, ' +
' updated_at = NOW()';
Q.ParamByName('gw').AsString := AGateway.gw;
Q.ParamByName('online').AsBoolean := AGateway.online;
Q.ParamByName('ntot').AsInteger := AGateway.nodes_total;
Q.ParamByName('nonl').AsInteger := AGateway.nodes_online;
Q.ParamByName('cyc').AsInteger := AGateway.cycle_ms;
Q.ParamByName('upt').AsLargeInt := AGateway.uptime_s;
Q.ExecSQL;
finally
Q.Free;
end;
end;
procedure TNILMManager.SaveNILMEvent(ADeviceID: Integer;
const AEvent: TNILMEventPayload);
begin
SaveEventLog('EVENT_' + AEvent.name, ADeviceID,
Format('Alarm: %s (Code: %d, Value: %.2f, Seq: %d)', [AEvent.name, AEvent.code, AEvent.value, AEvent.seq]),
Format('gw=%s, dev=%s, age_ms=%d', [AEvent.gw, AEvent.dev, AEvent.age_ms]));
end;
procedure TNILMManager.SaveEventLog(const AEventType: string; ADeviceID: Integer;
const AMessage, ADetail: string);
var
Q: TFDQuery;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
Q.SQL.Text :=
'INSERT INTO nilm_event_log (event_type, device_id, message, detail)' +
' VALUES (:etype, :did, :msg, :det)';
Q.ParamByName('etype').AsString := AEventType;
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ParamByName('msg').AsString := AMessage;
Q.ParamByName('det').AsString := ADetail;
Q.ExecSQL;
finally
Q.Free;
end;
end;
function TNILMManager.QueryNILMHistory(ADeviceID: Integer;
ADateFrom, ADateTo: TDateTime;
ACommStatusFilter: Integer; AMaxRows: Integer): TFDQuery;
var
SQL: string;
begin
Result := TFDQuery.Create(nil);
Result.Connection := GetConnection;
SQL :=
'SELECT received_at, device_id, seq, pre_seq, comm_status,' +
' wire, rssi, wh, total_p, total_q, total_s, total_pf,' +
' power_factor_a, vrms_a, irms_a, active_power_a, reactive_power_a, apparent_power_a,' +
' power_factor_b, vrms_b, irms_b, active_power_b, reactive_power_b, apparent_power_b,' +
' power_factor_c, vrms_c, irms_c, active_power_c, reactive_power_c, apparent_power_c,' +
' temperature, temp_ext, vibration, tilt_angle' +
' FROM nilm_data_history' +
' WHERE received_at >= :dtfrom AND received_at <= :dtto';
if ADeviceID > 0 then
SQL := SQL + ' AND device_id = :did';
if ACommStatusFilter >= 0 then
SQL := SQL + ' AND comm_status = :comm';
SQL := SQL + ' ORDER BY received_at DESC';
if AMaxRows > 0 then
SQL := SQL + ' LIMIT ' + IntToStr(AMaxRows);
Result.SQL.Text := SQL;
Result.ParamByName('dtfrom').AsDateTime := ADateFrom;
Result.ParamByName('dtto').AsDateTime := ADateTo;
if ADeviceID > 0 then
Result.ParamByName('did').AsInteger := ADeviceID;
if ACommStatusFilter >= 0 then
Result.ParamByName('comm').AsInteger := ACommStatusFilter;
Result.Open;
end;
function TNILMManager.QueryEventLog(ADeviceID: Integer;
ADateFrom, ADateTo: TDateTime;
const AEventType: string; AMaxRows: Integer): TFDQuery;
var
SQL: string;
begin
Result := TFDQuery.Create(nil);
Result.Connection := GetConnection;
SQL :=
'SELECT event_time, event_type, device_id, message, detail' +
' FROM nilm_event_log' +
' WHERE event_time >= :dtfrom AND event_time <= :dtto';
if ADeviceID > 0 then
SQL := SQL + ' AND device_id = :did';
if AEventType <> '' then
SQL := SQL + ' AND event_type = :etype';
SQL := SQL + ' ORDER BY event_time DESC';
if AMaxRows > 0 then
SQL := SQL + ' LIMIT ' + IntToStr(AMaxRows);
Result.SQL.Text := SQL;
Result.ParamByName('dtfrom').AsDateTime := ADateFrom;
Result.ParamByName('dtto').AsDateTime := ADateTo;
if ADeviceID > 0 then
Result.ParamByName('did').AsInteger := ADeviceID;
if AEventType <> '' then
Result.ParamByName('etype').AsString := AEventType;
Result.Open;
end;
function TNILMManager.LoadDevicesSimple: TFDQuery;
begin
Result := TFDQuery.Create(nil);
Result.Connection := GetConnection;
Result.SQL.Text :=
'SELECT device_id, device_name, mqtt_topic FROM nilm_device' +
' WHERE is_active = TRUE ORDER BY device_id';
Result.Open;
end;
procedure TNILMManager.CalculateEnergyConsumption(ADeviceID: Integer;
ADateFrom, ADateTo: TDateTime; var AEnergyL1, AEnergyL2, AEnergyL3: Double);
var
Q: TFDQuery;
begin
AEnergyL1 := 0.0;
AEnergyL2 := 0.0;
AEnergyL3 := 0.0;
Q := TFDQuery.Create(nil);
try
Q.Connection := GetConnection;
// 사다리꼴 적분법(또는 단순 리만합)을 활용하여 전력(W)을 누적 계산합니다.
// 이전 시간(prev_time)과 현재 시간 사이의 간격을 초(second) 단위로 구하고,
// 전력(W)과 시간(h)을 곱하여 전력량(Wh)을 산출합니다.
Q.SQL.Text :=
'WITH HistoryWithLag AS (' +
' SELECT ' +
' active_power_a, active_power_b, active_power_c, apparent_power_a, apparent_power_b, apparent_power_c, reactive_power_a, reactive_power_b, reactive_power_c, ' +
' received_at,' +
' LAG(received_at) OVER (ORDER BY received_at) as prev_time' +
' FROM nilm_data_history' +
' WHERE device_id = :did AND received_at >= :dtfrom AND received_at <= :dtto' +
') ' +
'SELECT ' +
' SUM( (CASE WHEN active_power_a > 0 THEN active_power_a ELSE SQRT(GREATEST(apparent_power_a*apparent_power_a - reactive_power_a*reactive_power_a, 0.0)) END) * EXTRACT(EPOCH FROM (received_at - prev_time)) / 3600.0 ) as energy_l1,' +
' SUM( (CASE WHEN active_power_b > 0 THEN active_power_b ELSE SQRT(GREATEST(apparent_power_b*apparent_power_b - reactive_power_b*reactive_power_b, 0.0)) END) * EXTRACT(EPOCH FROM (received_at - prev_time)) / 3600.0 ) as energy_l2,' +
' SUM( (CASE WHEN active_power_c > 0 THEN active_power_c ELSE SQRT(GREATEST(apparent_power_c*apparent_power_c - reactive_power_c*reactive_power_c, 0.0)) END) * EXTRACT(EPOCH FROM (received_at - prev_time)) / 3600.0 ) as energy_l3 ' +
'FROM HistoryWithLag ' +
'WHERE prev_time IS NOT NULL';
Q.ParamByName('did').AsInteger := ADeviceID;
Q.ParamByName('dtfrom').AsDateTime := ADateFrom;
Q.ParamByName('dtto').AsDateTime := ADateTo;
Q.Open;
if not Q.IsEmpty then
begin
AEnergyL1 := Q.FieldByName('energy_l1').AsFloat;
AEnergyL2 := Q.FieldByName('energy_l2').AsFloat;
AEnergyL3 := Q.FieldByName('energy_l3').AsFloat;
end;
finally
Q.Free;
end;
end;
// ── 외부 DB (ETC) 연동 구현부 ─────────────────────────────
procedure TNILMManager.SaveExternalOpStatus(const ANILMName: string; AOpStatus: Integer);
var
Q: TFDQuery;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := DM.fdConnEtc;
if not Q.Connection.Connected then Exit;
// 1. 실시간 상태 갱신 (Update)
Q.SQL.Text := 'UPDATE inf_operation_active SET operation_status = :status, interface_dt = NOW() WHERE nilm = :nilmname';
Q.ParamByName('status').AsInteger := AOpStatus;
Q.ParamByName('nilmname').AsString := ANILMName;
Q.ExecSQL;
// 업데이트된 행이 없다면(최초) 새로 Insert
if Q.RowsAffected = 0 then
begin
Q.SQL.Text := 'INSERT INTO inf_operation_active (nilm, operation_status, interface_dt) VALUES (:nilmname, :status, NOW())';
Q.ParamByName('status').AsInteger := AOpStatus;
Q.ParamByName('nilmname').AsString := ANILMName;
Q.ExecSQL;
end;
// 2. 이력 추가 (Insert) - 상태 변경 시에만 호출된다고 가정
Q.SQL.Text := 'INSERT INTO inf_operation_history (nilm, operation_status, interface_dt) VALUES (:nilmname, :status, NOW())';
Q.ParamByName('status').AsInteger := AOpStatus;
Q.ParamByName('nilmname').AsString := ANILMName;
Q.ExecSQL;
except
on E: Exception do
begin
if Assigned(FOnError) then
FOnError('[외부 DB 오류] 가동상태 업데이트 실패: ' + E.Message);
end;
end;
Q.Free;
end;
procedure TNILMManager.SaveExternalDailyEnergy(const ANILMName: string; ADate: TDateTime; AEnergyValue: Double);
var
Q: TFDQuery;
begin
Q := TFDQuery.Create(nil);
try
Q.Connection := DM.fdConnEtc;
if not Q.Connection.Connected then Exit;
Q.SQL.Text := 'INSERT INTO inf_electricity_daily (nilm, electricity_value, interface_dt) VALUES (:nilmname, :val, :dt)';
Q.ParamByName('nilmname').AsString := ANILMName;
Q.ParamByName('val').AsFloat := AEnergyValue;
Q.ParamByName('dt').AsDateTime := ADate;
Q.ExecSQL;
except
on E: Exception do
begin
if Assigned(FOnError) then
FOnError('[외부 DB 오류] 일일 전력량 전송 실패: ' + E.Message);
end;
end;
Q.Free;
end;
end.