123 lines
4.5 KiB
Python
123 lines
4.5 KiB
Python
from typing import List
|
|
|
|
from fastapi.logger import logger
|
|
from timescaledb.schemas.scheme import SchemeRepository
|
|
from timescaledb.schemas.realtime import RealtimeRepository
|
|
import timescaledb.timescaledb_info as timescaledb_info
|
|
from datetime import datetime, timedelta
|
|
from timescaledb.schemas.scada import ScadaRepository
|
|
import psycopg
|
|
import time
|
|
|
|
# 内部使用存储类
|
|
|
|
|
|
class InternalStorage:
|
|
@staticmethod
|
|
def store_realtime_simulation(
|
|
node_result_list: List[dict],
|
|
link_result_list: List[dict],
|
|
result_start_time: str,
|
|
db_name: str = None,
|
|
max_retries: int = 3,
|
|
):
|
|
"""存储实时模拟结果"""
|
|
for attempt in range(max_retries):
|
|
try:
|
|
conn_string = (
|
|
timescaledb_info.get_pgconn_string(db_name=db_name)
|
|
if db_name
|
|
else timescaledb_info.get_pgconn_string()
|
|
)
|
|
with psycopg.Connection.connect(conn_string) as conn:
|
|
RealtimeRepository.store_realtime_simulation_result_sync(
|
|
conn, node_result_list, link_result_list, result_start_time
|
|
)
|
|
break # 成功
|
|
except Exception as e:
|
|
logger.error(f"存储尝试 {attempt + 1} 失败: {e}")
|
|
if attempt < max_retries - 1:
|
|
time.sleep(1) # 重试前等待
|
|
else:
|
|
raise # 达到最大重试次数后抛出异常
|
|
|
|
@staticmethod
|
|
def store_scheme_simulation(
|
|
scheme_type: str,
|
|
scheme_name: str,
|
|
node_result_list: List[dict],
|
|
link_result_list: List[dict],
|
|
result_start_time: str,
|
|
num_periods: int = 1,
|
|
db_name: str = None,
|
|
max_retries: int = 3,
|
|
):
|
|
"""存储方案模拟结果"""
|
|
for attempt in range(max_retries):
|
|
try:
|
|
conn_string = (
|
|
timescaledb_info.get_pgconn_string(db_name=db_name)
|
|
if db_name
|
|
else timescaledb_info.get_pgconn_string()
|
|
)
|
|
with psycopg.Connection.connect(conn_string) as conn:
|
|
SchemeRepository.store_scheme_simulation_result_sync(
|
|
conn,
|
|
scheme_type,
|
|
scheme_name,
|
|
node_result_list,
|
|
link_result_list,
|
|
result_start_time,
|
|
num_periods,
|
|
)
|
|
break # 成功
|
|
except Exception as e:
|
|
logger.error(f"存储尝试 {attempt + 1} 失败: {e}")
|
|
if attempt < max_retries - 1:
|
|
time.sleep(1) # 重试前等待
|
|
else:
|
|
raise # 达到最大重试次数后抛出异常
|
|
|
|
@staticmethod
|
|
def query_scada_by_ids_time(
|
|
device_ids: List[str],
|
|
query_time: str,
|
|
db_name: str = None,
|
|
max_retries: int = 3,
|
|
) -> dict:
|
|
"""查询指定时间点的 SCADA 数据"""
|
|
|
|
# 解析时间，假设是北京时间
|
|
beijing_time = datetime.fromisoformat(query_time)
|
|
start_time = beijing_time - timedelta(seconds=1)
|
|
end_time = beijing_time + timedelta(seconds=1)
|
|
|
|
for attempt in range(max_retries):
|
|
try:
|
|
conn_string = (
|
|
timescaledb_info.get_pgconn_string(db_name=db_name)
|
|
if db_name
|
|
else timescaledb_info.get_pgconn_string()
|
|
)
|
|
with psycopg.Connection.connect(conn_string) as conn:
|
|
rows = ScadaRepository.get_scada_by_ids_time_range_sync(
|
|
conn, device_ids, start_time, end_time
|
|
)
|
|
# 处理结果，返回每个 device_id 的第一个值
|
|
result = {}
|
|
for device_id in device_ids:
|
|
device_rows = [
|
|
row for row in rows if row["device_id"] == device_id
|
|
]
|
|
if device_rows:
|
|
result[device_id] = device_rows[0]["monitored_value"]
|
|
else:
|
|
result[device_id] = None
|
|
return result
|
|
except Exception as e:
|
|
logger.error(f"查询尝试 {attempt + 1} 失败: {e}")
|
|
if attempt < max_retries - 1:
|
|
time.sleep(1)
|
|
else:
|
|
raise
|