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from datetime import datetime, timedelta, timezone |
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from decimal import Decimal |
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import falcon |
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import mysql.connector |
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import simplejson as json |
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import config |
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import excelexporters.virtualmetercost |
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from core import utilities |
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from core.useractivity import access_control, api_key_control |
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View Code Duplication |
class Reporting: |
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def __init__(self): |
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""""Initializes Reporting""" |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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_ = req |
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resp.status = falcon.HTTP_200 |
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#################################################################################################################### |
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# PROCEDURES |
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# Step 1: valid parameters |
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# Step 2: query the virtual meter and energy category |
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# Step 3: query base period energy consumption |
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# Step 4: query base period energy cost |
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# Step 5: query reporting period energy consumption |
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# Step 6: query reporting period energy cost |
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# Step 7: query tariff data |
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# Step 8: construct the report |
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#################################################################################################################### |
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@staticmethod |
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def on_get(req, resp): |
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if 'API-KEY' not in req.headers or \ |
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not isinstance(req.headers['API-KEY'], str) or \ |
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len(str.strip(req.headers['API-KEY'])) == 0: |
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access_control(req) |
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else: |
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api_key_control(req) |
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print(req.params) |
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virtual_meter_id = req.params.get('virtualmeterid') |
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period_type = req.params.get('periodtype') |
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base_period_start_datetime_local = req.params.get('baseperiodstartdatetime') |
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base_period_end_datetime_local = req.params.get('baseperiodenddatetime') |
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reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime') |
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reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime') |
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language = req.params.get('language') |
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quick_mode = req.params.get('quickmode') |
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################################################################################################################ |
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# Step 1: valid parameters |
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################################################################################################################ |
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if virtual_meter_id is None: |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_VIRTUAL_METER_ID') |
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else: |
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virtual_meter_id = str.strip(virtual_meter_id) |
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if not virtual_meter_id.isdigit() or int(virtual_meter_id) <= 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_VIRTUAL_METER_ID') |
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if period_type is None: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PERIOD_TYPE') |
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else: |
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period_type = str.strip(period_type) |
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if period_type not in ['hourly', 'daily', 'weekly', 'monthly', 'yearly']: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PERIOD_TYPE') |
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timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
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if config.utc_offset[0] == '-': |
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timezone_offset = -timezone_offset |
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base_start_datetime_utc = None |
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if base_period_start_datetime_local is not None and len(str.strip(base_period_start_datetime_local)) > 0: |
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base_period_start_datetime_local = str.strip(base_period_start_datetime_local) |
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try: |
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base_start_datetime_utc = datetime.strptime(base_period_start_datetime_local, '%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_BASE_PERIOD_START_DATETIME") |
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base_start_datetime_utc = \ |
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base_start_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset) |
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# nomalize the start datetime |
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if config.minutes_to_count == 30 and base_start_datetime_utc.minute >= 30: |
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base_start_datetime_utc = base_start_datetime_utc.replace(minute=30, second=0, microsecond=0) |
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else: |
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base_start_datetime_utc = base_start_datetime_utc.replace(minute=0, second=0, microsecond=0) |
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base_end_datetime_utc = None |
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if base_period_end_datetime_local is not None and len(str.strip(base_period_end_datetime_local)) > 0: |
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base_period_end_datetime_local = str.strip(base_period_end_datetime_local) |
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try: |
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base_end_datetime_utc = datetime.strptime(base_period_end_datetime_local, '%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_BASE_PERIOD_END_DATETIME") |
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base_end_datetime_utc = \ |
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base_end_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset) |
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if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \ |
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base_start_datetime_utc >= base_end_datetime_utc: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_BASE_PERIOD_END_DATETIME') |
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if reporting_period_start_datetime_local is None: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
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else: |
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reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local) |
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try: |
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reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local, |
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'%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
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reporting_start_datetime_utc = \ |
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reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset) |
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# nomalize the start datetime |
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if config.minutes_to_count == 30 and reporting_start_datetime_utc.minute >= 30: |
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reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=30, second=0, microsecond=0) |
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else: |
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reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=0, second=0, microsecond=0) |
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if reporting_period_end_datetime_local is None: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
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else: |
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reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local) |
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try: |
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reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local, |
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'%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
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reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
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timedelta(minutes=timezone_offset) |
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if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
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# if turn quick mode on, do not return parameters data and excel file |
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is_quick_mode = False |
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if quick_mode is not None and \ |
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len(str.strip(quick_mode)) > 0 and \ |
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str.lower(str.strip(quick_mode)) in ('true', 't', 'on', 'yes', 'y'): |
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is_quick_mode = True |
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trans = utilities.get_translation(language) |
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trans.install() |
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_ = trans.gettext |
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################################################################################################################ |
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# Step 2: query the virtual meter and energy category |
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################################################################################################################ |
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cnx_system = mysql.connector.connect(**config.myems_system_db) |
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cursor_system = cnx_system.cursor() |
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cnx_energy = mysql.connector.connect(**config.myems_energy_db) |
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cursor_energy = cnx_energy.cursor() |
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cnx_billing = mysql.connector.connect(**config.myems_billing_db) |
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cursor_billing = cnx_billing.cursor() |
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cursor_system.execute(" SELECT m.id, m.name, m.cost_center_id, m.energy_category_id, " |
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" ec.name, ec.unit_of_measure, ec.kgce, ec.kgco2e " |
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" FROM tbl_virtual_meters m, tbl_energy_categories ec " |
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" WHERE m.id = %s AND m.energy_category_id = ec.id ", (virtual_meter_id,)) |
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row_virtual_meter = cursor_system.fetchone() |
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if row_virtual_meter is None: |
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if cursor_system: |
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cursor_system.close() |
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if cnx_system: |
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cnx_system.close() |
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if cursor_energy: |
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cursor_energy.close() |
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if cnx_energy: |
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cnx_energy.close() |
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if cursor_billing: |
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cursor_billing.close() |
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if cnx_billing: |
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cnx_billing.close() |
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raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.VIRTUAL_METER_NOT_FOUND') |
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virtual_meter = dict() |
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virtual_meter['id'] = row_virtual_meter[0] |
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virtual_meter['name'] = row_virtual_meter[1] |
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virtual_meter['cost_center_id'] = row_virtual_meter[2] |
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virtual_meter['energy_category_id'] = row_virtual_meter[3] |
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virtual_meter['energy_category_name'] = row_virtual_meter[4] |
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virtual_meter['unit_of_measure'] = config.currency_unit |
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virtual_meter['kgce'] = row_virtual_meter[6] |
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virtual_meter['kgco2e'] = row_virtual_meter[7] |
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################################################################################################################ |
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# Step 3: query base period energy consumption |
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################################################################################################################ |
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query = (" SELECT start_datetime_utc, actual_value " |
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" FROM tbl_virtual_meter_hourly " |
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" WHERE virtual_meter_id = %s " |
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" AND start_datetime_utc >= %s " |
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" AND start_datetime_utc < %s " |
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" ORDER BY start_datetime_utc ") |
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cursor_energy.execute(query, (virtual_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
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rows_virtual_meter_hourly = cursor_energy.fetchall() |
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rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
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base_start_datetime_utc, |
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base_end_datetime_utc, |
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period_type) |
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base = dict() |
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base['timestamps'] = list() |
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base['values'] = list() |
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base['total_in_category'] = Decimal(0.0) |
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base['total_in_kgce'] = Decimal(0.0) |
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base['total_in_kgco2e'] = Decimal(0.0) |
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for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
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current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
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timedelta(minutes=timezone_offset) |
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if period_type == 'hourly': |
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current_datetime = current_datetime_local.isoformat()[0:19] |
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elif period_type == 'daily': |
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current_datetime = current_datetime_local.isoformat()[0:10] |
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elif period_type == 'weekly': |
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current_datetime = current_datetime_local.isoformat()[0:10] |
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elif period_type == 'monthly': |
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current_datetime = current_datetime_local.isoformat()[0:7] |
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elif period_type == 'yearly': |
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current_datetime = current_datetime_local.isoformat()[0:4] |
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actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
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else row_virtual_meter_periodically[1] |
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base['timestamps'].append(current_datetime) |
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base['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
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base['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
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################################################################################################################ |
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# Step 4: query base period energy cost |
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################################################################################################################ |
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query = (" SELECT start_datetime_utc, actual_value " |
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" FROM tbl_virtual_meter_hourly " |
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" WHERE virtual_meter_id = %s " |
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" AND start_datetime_utc >= %s " |
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" AND start_datetime_utc < %s " |
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" ORDER BY start_datetime_utc ") |
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cursor_billing.execute(query, (virtual_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
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rows_virtual_meter_hourly = cursor_billing.fetchall() |
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rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
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base_start_datetime_utc, |
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base_end_datetime_utc, |
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period_type) |
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base['values'] = list() |
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base['total_in_category'] = Decimal(0.0) |
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for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
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actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
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else row_virtual_meter_periodically[1] |
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269
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base['values'].append(actual_value) |
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270
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base['total_in_category'] += actual_value |
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272
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################################################################################################################ |
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273
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# Step 5: query reporting period energy consumption |
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274
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################################################################################################################ |
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275
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query = (" SELECT start_datetime_utc, actual_value " |
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276
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" FROM tbl_virtual_meter_hourly " |
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277
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" WHERE virtual_meter_id = %s " |
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" AND start_datetime_utc >= %s " |
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279
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" AND start_datetime_utc < %s " |
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280
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" ORDER BY start_datetime_utc ") |
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281
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cursor_billing.execute(query, (virtual_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
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282
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rows_virtual_meter_hourly = cursor_billing.fetchall() |
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283
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284
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rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
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285
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reporting_start_datetime_utc, |
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286
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reporting_end_datetime_utc, |
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287
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period_type) |
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288
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reporting = dict() |
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289
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reporting['timestamps'] = list() |
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290
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reporting['values'] = list() |
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291
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reporting['rates'] = list() |
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292
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reporting['total_in_category'] = Decimal(0.0) |
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293
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reporting['total_in_kgce'] = Decimal(0.0) |
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294
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reporting['total_in_kgco2e'] = Decimal(0.0) |
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295
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|
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|
|
296
|
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for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
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297
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current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
298
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|
|
timedelta(minutes=timezone_offset) |
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299
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|
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if period_type == 'hourly': |
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300
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current_datetime = current_datetime_local.isoformat()[0:19] |
|
301
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elif period_type == 'daily': |
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302
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current_datetime = current_datetime_local.isoformat()[0:10] |
|
303
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elif period_type == 'weekly': |
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304
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current_datetime = current_datetime_local.isoformat()[0:10] |
|
305
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elif period_type == 'monthly': |
|
306
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|
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current_datetime = current_datetime_local.isoformat()[0:7] |
|
307
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|
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elif period_type == 'yearly': |
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308
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current_datetime = current_datetime_local.isoformat()[0:4] |
|
309
|
|
|
|
|
310
|
|
|
actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
311
|
|
|
else row_virtual_meter_periodically[1] |
|
312
|
|
|
|
|
313
|
|
|
reporting['timestamps'].append(current_datetime) |
|
314
|
|
|
reporting['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
|
315
|
|
|
reporting['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
|
316
|
|
|
|
|
317
|
|
|
################################################################################################################ |
|
318
|
|
|
# Step 6: query reporting period energy cost |
|
319
|
|
|
################################################################################################################ |
|
320
|
|
|
query = (" SELECT start_datetime_utc, actual_value " |
|
321
|
|
|
" FROM tbl_virtual_meter_hourly " |
|
322
|
|
|
" WHERE virtual_meter_id = %s " |
|
323
|
|
|
" AND start_datetime_utc >= %s " |
|
324
|
|
|
" AND start_datetime_utc < %s " |
|
325
|
|
|
" ORDER BY start_datetime_utc ") |
|
326
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|
|
cursor_billing.execute(query, (virtual_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
327
|
|
|
rows_virtual_meter_hourly = cursor_billing.fetchall() |
|
328
|
|
|
|
|
329
|
|
|
rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
330
|
|
|
reporting_start_datetime_utc, |
|
331
|
|
|
reporting_end_datetime_utc, |
|
332
|
|
|
period_type) |
|
333
|
|
|
|
|
334
|
|
|
for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
335
|
|
|
actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
336
|
|
|
else row_virtual_meter_periodically[1] |
|
337
|
|
|
|
|
338
|
|
|
reporting['values'].append(actual_value) |
|
339
|
|
|
reporting['total_in_category'] += actual_value |
|
340
|
|
|
|
|
341
|
|
|
for index, value in enumerate(reporting['values']): |
|
342
|
|
|
if index < len(base['values']) and base['values'][index] != 0 and value != 0: |
|
343
|
|
|
reporting['rates'].append((value - base['values'][index]) / base['values'][index]) |
|
344
|
|
|
else: |
|
345
|
|
|
reporting['rates'].append(None) |
|
346
|
|
|
|
|
347
|
|
|
################################################################################################################ |
|
348
|
|
|
# Step 7: query tariff data |
|
349
|
|
|
################################################################################################################ |
|
350
|
|
|
parameters_data = dict() |
|
351
|
|
|
parameters_data['names'] = list() |
|
352
|
|
|
parameters_data['timestamps'] = list() |
|
353
|
|
|
parameters_data['values'] = list() |
|
354
|
|
|
if config.is_tariff_appended and is_quick_mode: |
|
355
|
|
|
tariff_dict = utilities.get_energy_category_tariffs(virtual_meter['cost_center_id'], |
|
356
|
|
|
virtual_meter['energy_category_id'], |
|
357
|
|
|
reporting_start_datetime_utc, |
|
358
|
|
|
reporting_end_datetime_utc) |
|
359
|
|
|
tariff_timestamp_list = list() |
|
360
|
|
|
tariff_value_list = list() |
|
361
|
|
|
for k, v in tariff_dict.items(): |
|
362
|
|
|
# convert k from utc to local |
|
363
|
|
|
k = k + timedelta(minutes=timezone_offset) |
|
364
|
|
|
tariff_timestamp_list.append(k.isoformat()[0:19]) |
|
365
|
|
|
tariff_value_list.append(v) |
|
366
|
|
|
|
|
367
|
|
|
parameters_data['names'].append(_('Tariff') + '-' + virtual_meter['energy_category_name']) |
|
368
|
|
|
parameters_data['timestamps'].append(tariff_timestamp_list) |
|
369
|
|
|
parameters_data['values'].append(tariff_value_list) |
|
370
|
|
|
|
|
371
|
|
|
################################################################################################################ |
|
372
|
|
|
# Step 8: construct the report |
|
373
|
|
|
################################################################################################################ |
|
374
|
|
|
if cursor_system: |
|
375
|
|
|
cursor_system.close() |
|
376
|
|
|
if cnx_system: |
|
377
|
|
|
cnx_system.close() |
|
378
|
|
|
|
|
379
|
|
|
if cursor_energy: |
|
380
|
|
|
cursor_energy.close() |
|
381
|
|
|
if cnx_energy: |
|
382
|
|
|
cnx_energy.close() |
|
383
|
|
|
|
|
384
|
|
|
if cursor_billing: |
|
385
|
|
|
cursor_billing.close() |
|
386
|
|
|
if cnx_billing: |
|
387
|
|
|
cnx_billing.close() |
|
388
|
|
|
|
|
389
|
|
|
result = { |
|
390
|
|
|
"virtual_meter": { |
|
391
|
|
|
"cost_center_id": virtual_meter['cost_center_id'], |
|
392
|
|
|
"energy_category_id": virtual_meter['energy_category_id'], |
|
393
|
|
|
"energy_category_name": virtual_meter['energy_category_name'], |
|
394
|
|
|
"unit_of_measure": config.currency_unit, |
|
395
|
|
|
"kgce": virtual_meter['kgce'], |
|
396
|
|
|
"kgco2e": virtual_meter['kgco2e'], |
|
397
|
|
|
}, |
|
398
|
|
|
"base_period": { |
|
399
|
|
|
"total_in_category": base['total_in_category'], |
|
400
|
|
|
"total_in_kgce": base['total_in_kgce'], |
|
401
|
|
|
"total_in_kgco2e": base['total_in_kgco2e'], |
|
402
|
|
|
"timestamps": base['timestamps'], |
|
403
|
|
|
"values": base['values'], |
|
404
|
|
|
}, |
|
405
|
|
|
"reporting_period": { |
|
406
|
|
|
"increment_rate": |
|
407
|
|
|
(reporting['total_in_category'] - base['total_in_category']) / base['total_in_category'] |
|
408
|
|
|
if base['total_in_category'] != Decimal(0.0) else None, |
|
409
|
|
|
"total_in_category": reporting['total_in_category'], |
|
410
|
|
|
"total_in_kgce": reporting['total_in_kgce'], |
|
411
|
|
|
"total_in_kgco2e": reporting['total_in_kgco2e'], |
|
412
|
|
|
"timestamps": reporting['timestamps'], |
|
413
|
|
|
"values": reporting['values'], |
|
414
|
|
|
"rates": reporting['rates'], |
|
415
|
|
|
}, |
|
416
|
|
|
"parameters": { |
|
417
|
|
|
"names": parameters_data['names'], |
|
418
|
|
|
"timestamps": parameters_data['timestamps'], |
|
419
|
|
|
"values": parameters_data['values'] |
|
420
|
|
|
}, |
|
421
|
|
|
} |
|
422
|
|
|
|
|
423
|
|
|
# export result to Excel file and then encode the file to base64 string |
|
424
|
|
|
if not is_quick_mode: |
|
425
|
|
|
result['excel_bytes_base64'] = \ |
|
426
|
|
|
excelexporters.virtualmetercost.export(result, |
|
427
|
|
|
virtual_meter['name'], |
|
428
|
|
|
base_period_start_datetime_local, |
|
429
|
|
|
base_period_end_datetime_local, |
|
430
|
|
|
reporting_period_start_datetime_local, |
|
431
|
|
|
reporting_period_end_datetime_local, |
|
432
|
|
|
period_type, |
|
433
|
|
|
language) |
|
434
|
|
|
|
|
435
|
|
|
resp.text = json.dumps(result) |
|
436
|
|
|
|
MyEMS /
myems
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