myems-api/reports/storeenergyitem.py
import re
from datetime import datetime, timedelta, timezone
from decimal import Decimal
import falcon
import mysql.connector
import simplejson as json
import config
import excelexporters.storeenergyitem
from core import utilities
from core.useractivity import access_control, api_key_control
class Reporting:
@staticmethod
def __init__():
"""Initializes Class"""
pass
@staticmethod
def on_options(req, resp):
resp.status = falcon.HTTP_200
####################################################################################################################
# PROCEDURES
# Step 1: valid parameters
# Step 2: query the store
# Step 3: query energy items
# Step 4: query associated sensors
# Step 5: query associated points
# Step 6: query base period energy input
# Step 7: query reporting period energy input
# Step 8: query tariff data
# Step 9: query associated sensors and points data
# Step 10: construct the report
####################################################################################################################
@staticmethod
def on_get(req, resp):
if 'API-KEY' not in req.headers or \
not isinstance(req.headers['API-KEY'], str) or \
len(str.strip(req.headers['API-KEY'])) == 0:
access_control(req)
else:
api_key_control(req)
print(req.params)
store_id = req.params.get('storeid')
store_uuid = req.params.get('storeuuid')
period_type = req.params.get('periodtype')
base_period_start_datetime_local = req.params.get('baseperiodstartdatetime')
base_period_end_datetime_local = req.params.get('baseperiodenddatetime')
reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime')
reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime')
language = req.params.get('language')
quick_mode = req.params.get('quickmode')
################################################################################################################
# Step 1: valid parameters
################################################################################################################
if store_id is None and store_uuid is None:
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.INVALID_STORE_ID')
if store_id is not None:
store_id = str.strip(store_id)
if not store_id.isdigit() or int(store_id) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.INVALID_STORE_ID')
if store_uuid is not None:
regex = re.compile(r'^[a-f0-9]{8}-?[a-f0-9]{4}-?4[a-f0-9]{3}-?[89ab][a-f0-9]{3}-?[a-f0-9]{12}\Z', re.I)
match = regex.match(str.strip(store_uuid))
if not bool(match):
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.INVALID_STORE_UUID')
if period_type is None:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_PERIOD_TYPE')
else:
period_type = str.strip(period_type)
if period_type not in ['hourly', 'daily', 'weekly', 'monthly', 'yearly']:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_PERIOD_TYPE')
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
if config.utc_offset[0] == '-':
timezone_offset = -timezone_offset
base_start_datetime_utc = None
if base_period_start_datetime_local is not None and len(str.strip(base_period_start_datetime_local)) > 0:
base_period_start_datetime_local = str.strip(base_period_start_datetime_local)
try:
base_start_datetime_utc = datetime.strptime(base_period_start_datetime_local, '%Y-%m-%dT%H:%M:%S')
except ValueError:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_BASE_PERIOD_START_DATETIME")
base_start_datetime_utc = \
base_start_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset)
# nomalize the start datetime
if config.minutes_to_count == 30 and base_start_datetime_utc.minute >= 30:
base_start_datetime_utc = base_start_datetime_utc.replace(minute=30, second=0, microsecond=0)
else:
base_start_datetime_utc = base_start_datetime_utc.replace(minute=0, second=0, microsecond=0)
base_end_datetime_utc = None
if base_period_end_datetime_local is not None and len(str.strip(base_period_end_datetime_local)) > 0:
base_period_end_datetime_local = str.strip(base_period_end_datetime_local)
try:
base_end_datetime_utc = datetime.strptime(base_period_end_datetime_local, '%Y-%m-%dT%H:%M:%S')
except ValueError:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_BASE_PERIOD_END_DATETIME")
base_end_datetime_utc = \
base_end_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset)
if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \
base_start_datetime_utc >= base_end_datetime_utc:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_BASE_PERIOD_END_DATETIME')
if reporting_period_start_datetime_local is None:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_REPORTING_PERIOD_START_DATETIME")
else:
reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local)
try:
reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local,
'%Y-%m-%dT%H:%M:%S')
except ValueError:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_REPORTING_PERIOD_START_DATETIME")
reporting_start_datetime_utc = \
reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset)
# nomalize the start datetime
if config.minutes_to_count == 30 and reporting_start_datetime_utc.minute >= 30:
reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=30, second=0, microsecond=0)
else:
reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=0, second=0, microsecond=0)
if reporting_period_end_datetime_local is None:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_REPORTING_PERIOD_END_DATETIME")
else:
reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local)
try:
reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local,
'%Y-%m-%dT%H:%M:%S').replace(tzinfo=timezone.utc) - \
timedelta(minutes=timezone_offset)
except ValueError:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description="API.INVALID_REPORTING_PERIOD_END_DATETIME")
if reporting_start_datetime_utc >= reporting_end_datetime_utc:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_REPORTING_PERIOD_END_DATETIME')
# if turn quick mode on, do not return parameters data and excel file
is_quick_mode = False
if quick_mode is not None and \
len(str.strip(quick_mode)) > 0 and \
str.lower(str.strip(quick_mode)) in ('true', 't', 'on', 'yes', 'y'):
is_quick_mode = True
trans = utilities.get_translation(language)
trans.install()
_ = trans.gettext
################################################################################################################
# Step 2: query the store
################################################################################################################
cnx_system = mysql.connector.connect(**config.myems_system_db)
cursor_system = cnx_system.cursor()
cnx_energy = mysql.connector.connect(**config.myems_energy_db)
cursor_energy = cnx_energy.cursor()
cnx_historical = mysql.connector.connect(**config.myems_historical_db)
cursor_historical = cnx_historical.cursor()
if store_id is not None:
cursor_system.execute(" SELECT id, name, area, cost_center_id "
" FROM tbl_stores "
" WHERE id = %s ", (store_id,))
row_store = cursor_system.fetchone()
elif store_uuid is not None:
cursor_system.execute(" SELECT id, name, area, cost_center_id "
" FROM tbl_stores "
" WHERE uuid = %s ", (store_uuid,))
row_store = cursor_system.fetchone()
if row_store is None:
if cursor_system:
cursor_system.close()
if cnx_system:
cnx_system.close()
if cursor_energy:
cursor_energy.close()
if cnx_energy:
cnx_energy.close()
if cursor_historical:
cursor_historical.close()
if cnx_historical:
cnx_historical.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', description='API.STORE_NOT_FOUND')
store = dict()
store['id'] = row_store[0]
store['name'] = row_store[1]
store['area'] = row_store[2]
store['cost_center_id'] = row_store[3]
################################################################################################################
# Step 3: query energy items
################################################################################################################
energy_item_set = set()
# query energy items in base period
cursor_energy.execute(" SELECT DISTINCT(energy_item_id) "
" FROM tbl_store_input_item_hourly "
" WHERE store_id = %s "
" AND start_datetime_utc >= %s "
" AND start_datetime_utc < %s ",
(store['id'], base_start_datetime_utc, base_end_datetime_utc))
rows_energy_items = cursor_energy.fetchall()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row_item in rows_energy_items:
energy_item_set.add(row_item[0])
# query energy items in reporting period
cursor_energy.execute(" SELECT DISTINCT(energy_item_id) "
" FROM tbl_store_input_item_hourly "
" WHERE store_id = %s "
" AND start_datetime_utc >= %s "
" AND start_datetime_utc < %s ",
(store['id'], reporting_start_datetime_utc, reporting_end_datetime_utc))
rows_energy_items = cursor_energy.fetchall()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row_item in rows_energy_items:
energy_item_set.add(row_item[0])
# query all energy items in base period and reporting period
cursor_system.execute(" SELECT ei.id, ei.name, ei.energy_category_id, "
" ec.name AS energy_category_name, ec.unit_of_measure, ec.kgce, ec.kgco2e "
" FROM tbl_energy_items ei, tbl_energy_categories ec "
" WHERE ei.energy_category_id = ec.id "
" ORDER BY ei.id ", )
rows_energy_items = cursor_system.fetchall()
if rows_energy_items is None or len(rows_energy_items) == 0:
if cursor_system:
cursor_system.close()
if cnx_system:
cnx_system.close()
if cursor_energy:
cursor_energy.close()
if cnx_energy:
cnx_energy.close()
if cursor_historical:
cursor_historical.close()
if cnx_historical:
cnx_historical.close()
raise falcon.HTTPError(status=falcon.HTTP_404,
title='API.NOT_FOUND',
description='API.ENERGY_ITEM_NOT_FOUND')
energy_item_dict = dict()
for row_energy_item in rows_energy_items:
if row_energy_item[0] in energy_item_set:
energy_item_dict[row_energy_item[0]] = {"name": row_energy_item[1],
"energy_category_id": row_energy_item[2],
"energy_category_name": row_energy_item[3],
"unit_of_measure": row_energy_item[4],
"kgce": row_energy_item[5],
"kgco2e": row_energy_item[6]}
################################################################################################################
# Step 4: query associated sensors
################################################################################################################
point_list = list()
cursor_system.execute(" SELECT p.id, p.name, p.units, p.object_type "
" FROM tbl_stores st, tbl_sensors se, tbl_stores_sensors ss, "
" tbl_points p, tbl_sensors_points sp "
" WHERE st.id = %s AND st.id = ss.store_id AND ss.sensor_id = se.id "
" AND se.id = sp.sensor_id AND sp.point_id = p.id "
" ORDER BY p.id ", (store['id'],))
rows_points = cursor_system.fetchall()
if rows_points is not None and len(rows_points) > 0:
for row in rows_points:
point_list.append({"id": row[0], "name": row[1], "units": row[2], "object_type": row[3]})
################################################################################################################
# Step 5: query associated points
################################################################################################################
cursor_system.execute(" SELECT p.id, p.name, p.units, p.object_type "
" FROM tbl_stores s, tbl_stores_points sp, tbl_points p "
" WHERE s.id = %s AND s.id = sp.store_id AND sp.point_id = p.id "
" ORDER BY p.id ", (store['id'],))
rows_points = cursor_system.fetchall()
if rows_points is not None and len(rows_points) > 0:
for row in rows_points:
point_list.append({"id": row[0], "name": row[1], "units": row[2], "object_type": row[3]})
################################################################################################################
# Step 6: query base period energy input
################################################################################################################
base = dict()
if energy_item_set is not None and len(energy_item_set) > 0:
for energy_item_id in energy_item_set:
base[energy_item_id] = dict()
base[energy_item_id]['timestamps'] = list()
base[energy_item_id]['values'] = list()
base[energy_item_id]['subtotal'] = Decimal(0.0)
cursor_energy.execute(" SELECT start_datetime_utc, actual_value "
" FROM tbl_store_input_item_hourly "
" WHERE store_id = %s "
" AND energy_item_id = %s "
" AND start_datetime_utc >= %s "
" AND start_datetime_utc < %s "
" ORDER BY start_datetime_utc ",
(store['id'],
energy_item_id,
base_start_datetime_utc,
base_end_datetime_utc))
rows_store_hourly = cursor_energy.fetchall()
rows_store_periodically = utilities.aggregate_hourly_data_by_period(rows_store_hourly,
base_start_datetime_utc,
base_end_datetime_utc,
period_type)
for row_store_periodically in rows_store_periodically:
current_datetime_local = row_store_periodically[0].replace(tzinfo=timezone.utc) + \
timedelta(minutes=timezone_offset)
if period_type == 'hourly':
current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S')
elif period_type == 'daily':
current_datetime = current_datetime_local.strftime('%Y-%m-%d')
elif period_type == 'weekly':
current_datetime = current_datetime_local.strftime('%Y-%m-%d')
elif period_type == 'monthly':
current_datetime = current_datetime_local.strftime('%Y-%m')
elif period_type == 'yearly':
current_datetime = current_datetime_local.strftime('%Y')
actual_value = Decimal(0.0) if row_store_periodically[1] is None else row_store_periodically[1]
base[energy_item_id]['timestamps'].append(current_datetime)
base[energy_item_id]['values'].append(actual_value)
base[energy_item_id]['subtotal'] += actual_value
################################################################################################################
# Step 7: query reporting period energy input
################################################################################################################
reporting = dict()
if energy_item_set is not None and len(energy_item_set) > 0:
for energy_item_id in energy_item_set:
reporting[energy_item_id] = dict()
reporting[energy_item_id]['timestamps'] = list()
reporting[energy_item_id]['values'] = list()
reporting[energy_item_id]['subtotal'] = Decimal(0.0)
reporting[energy_item_id]['toppeak'] = Decimal(0.0)
reporting[energy_item_id]['onpeak'] = Decimal(0.0)
reporting[energy_item_id]['midpeak'] = Decimal(0.0)
reporting[energy_item_id]['offpeak'] = Decimal(0.0)
cursor_energy.execute(" SELECT start_datetime_utc, actual_value "
" FROM tbl_store_input_item_hourly "
" WHERE store_id = %s "
" AND energy_item_id = %s "
" AND start_datetime_utc >= %s "
" AND start_datetime_utc < %s "
" ORDER BY start_datetime_utc ",
(store['id'],
energy_item_id,
reporting_start_datetime_utc,
reporting_end_datetime_utc))
rows_store_hourly = cursor_energy.fetchall()
rows_store_periodically = utilities.aggregate_hourly_data_by_period(rows_store_hourly,
reporting_start_datetime_utc,
reporting_end_datetime_utc,
period_type)
for row_store_periodically in rows_store_periodically:
current_datetime_local = row_store_periodically[0].replace(tzinfo=timezone.utc) + \
timedelta(minutes=timezone_offset)
if period_type == 'hourly':
current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S')
elif period_type == 'daily':
current_datetime = current_datetime_local.strftime('%Y-%m-%d')
elif period_type == 'weekly':
current_datetime = current_datetime_local.strftime('%Y-%m-%d')
elif period_type == 'monthly':
current_datetime = current_datetime_local.strftime('%Y-%m')
elif period_type == 'yearly':
current_datetime = current_datetime_local.strftime('%Y')
actual_value = Decimal(0.0) if row_store_periodically[1] is None else row_store_periodically[1]
reporting[energy_item_id]['timestamps'].append(current_datetime)
reporting[energy_item_id]['values'].append(actual_value)
reporting[energy_item_id]['subtotal'] += actual_value
energy_category_tariff_dict = \
utilities.get_energy_category_peak_types(store['cost_center_id'],
energy_item_dict[energy_item_id]['energy_category_id'],
reporting_start_datetime_utc,
reporting_end_datetime_utc)
for row in rows_store_hourly:
peak_type = energy_category_tariff_dict.get(row[0], None)
if peak_type == 'toppeak':
reporting[energy_item_id]['toppeak'] += row[1]
elif peak_type == 'onpeak':
reporting[energy_item_id]['onpeak'] += row[1]
elif peak_type == 'midpeak':
reporting[energy_item_id]['midpeak'] += row[1]
elif peak_type == 'offpeak':
reporting[energy_item_id]['offpeak'] += row[1]
################################################################################################################
# Step 8: query tariff data
################################################################################################################
parameters_data = dict()
parameters_data['names'] = list()
parameters_data['timestamps'] = list()
parameters_data['values'] = list()
if config.is_tariff_appended and energy_item_set is not None and len(energy_item_set) > 0 and not is_quick_mode:
for energy_item_id in energy_item_set:
energy_category_tariff_dict = \
utilities.get_energy_category_tariffs(store['cost_center_id'],
energy_item_dict[energy_item_id]['energy_category_id'],
reporting_start_datetime_utc,
reporting_end_datetime_utc)
tariff_timestamp_list = list()
tariff_value_list = list()
for k, v in energy_category_tariff_dict.items():
# convert k from utc to local
k = k + timedelta(minutes=timezone_offset)
tariff_timestamp_list.append(k.isoformat()[0:19][0:19])
tariff_value_list.append(v)
parameters_data['names'].append(_('Tariff') + '-' + energy_item_dict[energy_item_id]['name'])
parameters_data['timestamps'].append(tariff_timestamp_list)
parameters_data['values'].append(tariff_value_list)
################################################################################################################
# Step 9: query associated sensors and points data
################################################################################################################
if not is_quick_mode:
for point in point_list:
point_values = []
point_timestamps = []
if point['object_type'] == 'ENERGY_VALUE':
query = (" SELECT utc_date_time, actual_value "
" FROM tbl_energy_value "
" WHERE point_id = %s "
" AND utc_date_time BETWEEN %s AND %s "
" ORDER BY utc_date_time ")
cursor_historical.execute(query, (point['id'],
reporting_start_datetime_utc,
reporting_end_datetime_utc))
rows = cursor_historical.fetchall()
if rows is not None and len(rows) > 0:
for row in rows:
current_datetime_local = row[0].replace(tzinfo=timezone.utc) + \
timedelta(minutes=timezone_offset)
current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S')
point_timestamps.append(current_datetime)
point_values.append(row[1])
elif point['object_type'] == 'ANALOG_VALUE':
query = (" SELECT utc_date_time, actual_value "
" FROM tbl_analog_value "
" WHERE point_id = %s "
" AND utc_date_time BETWEEN %s AND %s "
" ORDER BY utc_date_time ")
cursor_historical.execute(query, (point['id'],
reporting_start_datetime_utc,
reporting_end_datetime_utc))
rows = cursor_historical.fetchall()
if rows is not None and len(rows) > 0:
for row in rows:
current_datetime_local = row[0].replace(tzinfo=timezone.utc) + \
timedelta(minutes=timezone_offset)
current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S')
point_timestamps.append(current_datetime)
point_values.append(row[1])
elif point['object_type'] == 'DIGITAL_VALUE':
query = (" SELECT utc_date_time, actual_value "
" FROM tbl_digital_value "
" WHERE point_id = %s "
" AND utc_date_time BETWEEN %s AND %s "
" ORDER BY utc_date_time ")
cursor_historical.execute(query, (point['id'],
reporting_start_datetime_utc,
reporting_end_datetime_utc))
rows = cursor_historical.fetchall()
if rows is not None and len(rows) > 0:
for row in rows:
current_datetime_local = row[0].replace(tzinfo=timezone.utc) + \
timedelta(minutes=timezone_offset)
current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S')
point_timestamps.append(current_datetime)
point_values.append(row[1])
parameters_data['names'].append(point['name'] + ' (' + point['units'] + ')')
parameters_data['timestamps'].append(point_timestamps)
parameters_data['values'].append(point_values)
################################################################################################################
# Step 10: construct the report
################################################################################################################
if cursor_system:
cursor_system.close()
if cnx_system:
cnx_system.close()
if cursor_energy:
cursor_energy.close()
if cnx_energy:
cnx_energy.close()
if cursor_historical:
cursor_historical.close()
if cnx_historical:
cnx_historical.close()
result = dict()
result['store'] = dict()
result['store']['name'] = store['name']
result['store']['area'] = store['area']
result['base_period'] = dict()
result['base_period']['names'] = list()
result['base_period']['units'] = list()
result['base_period']['timestamps'] = list()
result['base_period']['values'] = list()
result['base_period']['subtotals'] = list()
if energy_item_set is not None and len(energy_item_set) > 0:
for energy_item_id in energy_item_set:
result['base_period']['names'].append(energy_item_dict[energy_item_id]['name'])
result['base_period']['units'].append(energy_item_dict[energy_item_id]['unit_of_measure'])
result['base_period']['timestamps'].append(base[energy_item_id]['timestamps'])
result['base_period']['values'].append(base[energy_item_id]['values'])
result['base_period']['subtotals'].append(base[energy_item_id]['subtotal'])
result['reporting_period'] = dict()
result['reporting_period']['names'] = list()
result['reporting_period']['energy_item_ids'] = list()
result['reporting_period']['energy_category_names'] = list()
result['reporting_period']['energy_category_ids'] = list()
result['reporting_period']['units'] = list()
result['reporting_period']['timestamps'] = list()
result['reporting_period']['values'] = list()
result['reporting_period']['rates'] = list()
result['reporting_period']['subtotals'] = list()
result['reporting_period']['subtotals_per_unit_area'] = list()
result['reporting_period']['toppeaks'] = list()
result['reporting_period']['onpeaks'] = list()
result['reporting_period']['midpeaks'] = list()
result['reporting_period']['offpeaks'] = list()
result['reporting_period']['increment_rates'] = list()
if energy_item_set is not None and len(energy_item_set) > 0:
for energy_item_id in energy_item_set:
result['reporting_period']['names'].append(energy_item_dict[energy_item_id]['name'])
result['reporting_period']['energy_item_ids'].append(energy_item_id)
result['reporting_period']['energy_category_names'].append(
energy_item_dict[energy_item_id]['energy_category_name'])
result['reporting_period']['energy_category_ids'].append(
energy_item_dict[energy_item_id]['energy_category_id'])
result['reporting_period']['units'].append(energy_item_dict[energy_item_id]['unit_of_measure'])
result['reporting_period']['timestamps'].append(reporting[energy_item_id]['timestamps'])
result['reporting_period']['values'].append(reporting[energy_item_id]['values'])
result['reporting_period']['subtotals'].append(reporting[energy_item_id]['subtotal'])
result['reporting_period']['subtotals_per_unit_area'].append(
reporting[energy_item_id]['subtotal'] / store['area'] if store['area'] > 0.0 else None)
result['reporting_period']['toppeaks'].append(reporting[energy_item_id]['toppeak'])
result['reporting_period']['onpeaks'].append(reporting[energy_item_id]['onpeak'])
result['reporting_period']['midpeaks'].append(reporting[energy_item_id]['midpeak'])
result['reporting_period']['offpeaks'].append(reporting[energy_item_id]['offpeak'])
result['reporting_period']['increment_rates'].append(
(reporting[energy_item_id]['subtotal'] - base[energy_item_id]['subtotal']) /
base[energy_item_id]['subtotal']
if base[energy_item_id]['subtotal'] > 0.0 else None)
rate = list()
for index, value in enumerate(reporting[energy_item_id]['values']):
if index < len(base[energy_item_id]['values']) \
and base[energy_item_id]['values'][index] != 0 and value != 0:
rate.append((value - base[energy_item_id]['values'][index])
/ base[energy_item_id]['values'][index])
else:
rate.append(None)
result['reporting_period']['rates'].append(rate)
result['parameters'] = {
"names": parameters_data['names'],
"timestamps": parameters_data['timestamps'],
"values": parameters_data['values']
}
# export result to Excel file and then encode the file to base64 string
if not is_quick_mode:
result['excel_bytes_base64'] = excelexporters.storeenergyitem.export(result,
store['name'],
base_period_start_datetime_local,
base_period_end_datetime_local,
reporting_period_start_datetime_local,
reporting_period_end_datetime_local,
period_type,
language)
resp.text = json.dumps(result)