myems-api/core/offlinemeter.py
import uuid
from datetime import datetime, timedelta
import falcon
import mysql.connector
import simplejson as json
from core.useractivity import user_logger, admin_control, access_control, api_key_control
import config
class OfflineMeterCollection:
def __init__(self):
"""Initializes OfflineMeterCollection"""
pass
@staticmethod
def on_options(req, resp):
resp.status = falcon.HTTP_200
@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)
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
query = (" SELECT id, name, uuid "
" FROM tbl_energy_categories ")
cursor.execute(query)
rows_energy_categories = cursor.fetchall()
energy_category_dict = dict()
if rows_energy_categories is not None and len(rows_energy_categories) > 0:
for row in rows_energy_categories:
energy_category_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_energy_items ")
cursor.execute(query)
rows_energy_items = cursor.fetchall()
energy_item_dict = dict()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row in rows_energy_items:
energy_item_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_cost_centers ")
cursor.execute(query)
rows_cost_centers = cursor.fetchall()
cost_center_dict = dict()
if rows_cost_centers is not None and len(rows_cost_centers) > 0:
for row in rows_cost_centers:
cost_center_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" energy_item_id, cost_center_id, description "
" FROM tbl_offline_meters "
" ORDER BY id ")
cursor.execute(query)
rows_meters = cursor.fetchall()
result = list()
if rows_meters is not None and len(rows_meters) > 0:
for row in rows_meters:
meta_result = {"id": row[0],
"name": row[1],
"uuid": row[2],
"energy_category": energy_category_dict.get(row[3], None),
"is_counted": True if row[4] else False,
"hourly_low_limit": row[5],
"hourly_high_limit": row[6],
"energy_item": energy_item_dict.get(row[7], None),
"cost_center": cost_center_dict.get(row[8], None),
"description": row[9]}
result.append(meta_result)
cursor.close()
cnx.close()
resp.text = json.dumps(result)
@staticmethod
@user_logger
def on_post(req, resp):
"""Handles POST requests"""
admin_control(req)
try:
raw_json = req.stream.read().decode('utf-8')
except Exception as ex:
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.FAILED_TO_READ_REQUEST_STREAM')
new_values = json.loads(raw_json)
if 'name' not in new_values['data'].keys() or \
not isinstance(new_values['data']['name'], str) or \
len(str.strip(new_values['data']['name'])) == 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_NAME')
name = str.strip(new_values['data']['name'])
if 'energy_category_id' not in new_values['data'].keys() or \
not isinstance(new_values['data']['energy_category_id'], int) or \
new_values['data']['energy_category_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_CATEGORY_ID')
energy_category_id = new_values['data']['energy_category_id']
if 'is_counted' not in new_values['data'].keys() or \
not isinstance(new_values['data']['is_counted'], bool):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_IS_COUNTED_VALUE')
is_counted = new_values['data']['is_counted']
if 'hourly_low_limit' not in new_values['data'].keys() or \
not (isinstance(new_values['data']['hourly_low_limit'], float) or
isinstance(new_values['data']['hourly_low_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_LOW_LIMIT_VALUE')
hourly_low_limit = new_values['data']['hourly_low_limit']
if 'hourly_high_limit' not in new_values['data'].keys() or \
not (isinstance(new_values['data']['hourly_high_limit'], float) or
isinstance(new_values['data']['hourly_high_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_HIGH_LIMIT_VALUE')
hourly_high_limit = new_values['data']['hourly_high_limit']
if 'cost_center_id' not in new_values['data'].keys() or \
not isinstance(new_values['data']['cost_center_id'], int) or \
new_values['data']['cost_center_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_COST_CENTER_ID')
cost_center_id = new_values['data']['cost_center_id']
if 'energy_item_id' in new_values['data'].keys() and \
new_values['data']['energy_item_id'] is not None:
if not isinstance(new_values['data']['energy_item_id'], int) or \
new_values['data']['energy_item_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_ITEM_ID')
energy_item_id = new_values['data']['energy_item_id']
else:
energy_item_id = None
if 'description' in new_values['data'].keys() and \
new_values['data']['description'] is not None and \
len(str(new_values['data']['description'])) > 0:
description = str.strip(new_values['data']['description'])
else:
description = None
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
cursor.execute(" SELECT name "
" FROM tbl_offline_meters "
" WHERE name = %s ", (name,))
if cursor.fetchone() is not None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.OFFLINE_METER_NAME_IS_ALREADY_IN_USE')
cursor.execute(" SELECT name "
" FROM tbl_energy_categories "
" WHERE id = %s ",
(new_values['data']['energy_category_id'],))
if cursor.fetchone() is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_CATEGORY_NOT_FOUND')
if energy_item_id is not None:
cursor.execute(" SELECT name, energy_category_id "
" FROM tbl_energy_items "
" WHERE id = %s ",
(new_values['data']['energy_item_id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_ITEM_NOT_FOUND')
else:
if row[1] != energy_category_id:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.BAD_REQUEST',
description='API.ENERGY_ITEM_IS_NOT_BELONG_TO_ENERGY_CATEGORY')
cursor.execute(" SELECT name "
" FROM tbl_cost_centers "
" WHERE id = %s ",
(new_values['data']['cost_center_id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.COST_CENTER_NOT_FOUND')
add_values = (" INSERT INTO tbl_offline_meters "
" (name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" cost_center_id, energy_item_id, description) "
" VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s) ")
cursor.execute(add_values, (name,
str(uuid.uuid4()),
energy_category_id,
is_counted,
hourly_low_limit,
hourly_high_limit,
cost_center_id,
energy_item_id,
description))
new_id = cursor.lastrowid
cnx.commit()
cursor.close()
cnx.close()
resp.status = falcon.HTTP_201
resp.location = '/offlinemeters/' + str(new_id)
class OfflineMeterItem:
def __init__(self):
"""Initializes OfflineMeterItem"""
pass
@staticmethod
def on_options(req, resp, id_):
resp.status = falcon.HTTP_200
@staticmethod
def on_get(req, resp, id_):
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)
if not id_.isdigit() or int(id_) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_ID')
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
query = (" SELECT id, name, uuid "
" FROM tbl_energy_categories ")
cursor.execute(query)
rows_energy_categories = cursor.fetchall()
energy_category_dict = dict()
if rows_energy_categories is not None and len(rows_energy_categories) > 0:
for row in rows_energy_categories:
energy_category_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_energy_items ")
cursor.execute(query)
rows_energy_items = cursor.fetchall()
energy_item_dict = dict()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row in rows_energy_items:
energy_item_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_cost_centers ")
cursor.execute(query)
rows_cost_centers = cursor.fetchall()
cost_center_dict = dict()
if rows_cost_centers is not None and len(rows_cost_centers) > 0:
for row in rows_cost_centers:
cost_center_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" energy_item_id, cost_center_id, description "
" FROM tbl_offline_meters "
" WHERE id = %s ")
cursor.execute(query, (id_,))
row = cursor.fetchone()
cursor.close()
cnx.close()
if row is None:
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.OFFLINE_METER_NOT_FOUND')
else:
meta_result = {"id": row[0],
"name": row[1],
"uuid": row[2],
"energy_category": energy_category_dict.get(row[3], None),
"is_counted": True if row[4] else False,
"hourly_low_limit": row[5],
"hourly_high_limit": row[6],
"energy_item": energy_item_dict.get(row[7], None),
"cost_center": cost_center_dict.get(row[8], None),
"description": row[9]}
resp.text = json.dumps(meta_result)
@staticmethod
@user_logger
def on_delete(req, resp, id_):
admin_control(req)
if not id_.isdigit() or int(id_) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_ID')
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
cursor.execute(" SELECT uuid "
" FROM tbl_offline_meters "
" WHERE id = %s ", (id_,))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.OFFLINE_METER_NOT_FOUND')
else:
offline_meter_uuid = row[0]
# check if this offline meter is being used by virtual meters
cursor.execute(" SELECT vm.name "
" FROM tbl_variables va, tbl_virtual_meters vm "
" WHERE va.meter_id = %s AND va.meter_type = 'offline_meter' AND va.virtual_meter_id = vm.id ",
(id_,))
row_virtual_meter = cursor.fetchone()
if row_virtual_meter is not None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THIS_OFFLINE_METER_IS_BEING_USED_BY_A_VIRTUAL_METER')
# check relation with spaces
cursor.execute(" SELECT id "
" FROM tbl_spaces_offline_meters "
" WHERE offline_meter_id = %s ", (id_,))
rows_companies = cursor.fetchall()
if rows_companies is not None and len(rows_companies) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_SPACES')
# check relation with combined equipments
cursor.execute(" SELECT combined_equipment_id "
" FROM tbl_combined_equipments_offline_meters "
" WHERE offline_meter_id = %s ",
(id_,))
rows_combined_equipments = cursor.fetchall()
if rows_combined_equipments is not None and len(rows_combined_equipments) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_COMBINED_EQUIPMENTS')
# check relation with combined equipment parameters
cursor.execute(" SELECT combined_equipment_id "
" FROM tbl_combined_equipments_parameters "
" WHERE numerator_meter_uuid = %s OR denominator_meter_uuid = %s",
(offline_meter_uuid, offline_meter_uuid,))
rows_combined_equipments = cursor.fetchall()
if rows_combined_equipments is not None and len(rows_combined_equipments) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_COMBINED_EQUIPMENT_PARAMETERS')
# check relations with tenants
cursor.execute(" SELECT tenant_id "
" FROM tbl_tenants_offline_meters "
" WHERE offline_meter_id = %s ", (id_,))
rows_tenants = cursor.fetchall()
if rows_tenants is not None and len(rows_tenants) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_TENANTS')
# check relations with stores
cursor.execute(" SELECT store_id "
" FROM tbl_stores_offline_meters "
" WHERE offline_meter_id = %s ", (id_,))
rows_stores = cursor.fetchall()
if rows_stores is not None and len(rows_stores) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_STORES')
# check relations with shopfloors
cursor.execute(" SELECT shopfloor_id "
" FROM tbl_shopfloors_offline_meters "
" WHERE offline_meter_id = %s ", (id_,))
rows_shopfloors = cursor.fetchall()
if rows_shopfloors is not None and len(rows_shopfloors) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_SHOPFLOORS')
# check relations with equipments
cursor.execute(" SELECT equipment_id "
" FROM tbl_equipments_offline_meters "
" WHERE offline_meter_id = %s ", (id_,))
rows_equipments = cursor.fetchall()
if rows_equipments is not None and len(rows_equipments) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_EQUIPMENTS')
# check relation with equipment parameters
cursor.execute(" SELECT equipment_id "
" FROM tbl_equipments_parameters "
" WHERE numerator_meter_uuid = %s OR denominator_meter_uuid = %s",
(offline_meter_uuid, offline_meter_uuid,))
rows_equipments = cursor.fetchall()
if rows_equipments is not None and len(rows_equipments) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_EQUIPMENT_PARAMETERS')
# check relation with energy flow diagram links
cursor.execute(" SELECT id "
" FROM tbl_energy_flow_diagrams_links "
" WHERE meter_uuid = %s ", (offline_meter_uuid,))
rows_links = cursor.fetchall()
if rows_links is not None and len(rows_links) > 0:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.THERE_IS_RELATION_WITH_ENERGY_FLOW_DIAGRAM_LINKS')
cursor.execute(" DELETE FROM tbl_offline_meters WHERE id = %s ", (id_,))
cnx.commit()
cursor.close()
cnx.close()
resp.status = falcon.HTTP_204
@staticmethod
@user_logger
def on_put(req, resp, id_):
"""Handles PUT requests"""
admin_control(req)
try:
raw_json = req.stream.read().decode('utf-8')
except Exception as ex:
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.FAILED_TO_READ_REQUEST_STREAM')
if not id_.isdigit() or int(id_) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_ID')
new_values = json.loads(raw_json)
if 'name' not in new_values['data'].keys() or \
not isinstance(new_values['data']['name'], str) or \
len(str.strip(new_values['data']['name'])) == 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_NAME')
name = str.strip(new_values['data']['name'])
if 'energy_category_id' not in new_values['data'].keys() or \
not isinstance(new_values['data']['energy_category_id'], int) or \
new_values['data']['energy_category_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_CATEGORY_ID')
energy_category_id = new_values['data']['energy_category_id']
if 'is_counted' not in new_values['data'].keys() or \
not isinstance(new_values['data']['is_counted'], bool):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_IS_COUNTED_VALUE')
is_counted = new_values['data']['is_counted']
if 'hourly_low_limit' not in new_values['data'].keys() or \
not (isinstance(new_values['data']['hourly_low_limit'], float) or
isinstance(new_values['data']['hourly_low_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_LOW_LIMIT_VALUE')
hourly_low_limit = new_values['data']['hourly_low_limit']
if 'hourly_high_limit' not in new_values['data'].keys() or \
not (isinstance(new_values['data']['hourly_high_limit'], float) or
isinstance(new_values['data']['hourly_high_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_HIGH_LIMIT_VALUE')
hourly_high_limit = new_values['data']['hourly_high_limit']
if 'cost_center_id' not in new_values['data'].keys() or \
not isinstance(new_values['data']['cost_center_id'], int) or \
new_values['data']['cost_center_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_COST_CENTER_ID')
cost_center_id = new_values['data']['cost_center_id']
if 'energy_item_id' in new_values['data'].keys() and \
new_values['data']['energy_item_id'] is not None:
if not isinstance(new_values['data']['energy_item_id'], int) or \
new_values['data']['energy_item_id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_ITEM_ID')
energy_item_id = new_values['data']['energy_item_id']
else:
energy_item_id = None
if 'description' in new_values['data'].keys() and \
new_values['data']['description'] is not None and \
len(str(new_values['data']['description'])) > 0:
description = str.strip(new_values['data']['description'])
else:
description = None
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
cursor.execute(" SELECT name "
" FROM tbl_offline_meters "
" WHERE id = %s ", (id_,))
if cursor.fetchone() is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.OFFLINE_METER_NOT_FOUND')
cursor.execute(" SELECT name "
" FROM tbl_offline_meters "
" WHERE name = %s AND id != %s ", (name, id_))
if cursor.fetchone() is not None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.OFFLINE_METER_NAME_IS_ALREADY_IN_USE')
cursor.execute(" SELECT name "
" FROM tbl_energy_categories "
" WHERE id = %s ",
(new_values['data']['energy_category_id'],))
if cursor.fetchone() is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_CATEGORY_NOT_FOUND')
cursor.execute(" SELECT name "
" FROM tbl_cost_centers "
" WHERE id = %s ",
(new_values['data']['cost_center_id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.COST_CENTER_NOT_FOUND')
if energy_item_id is not None:
cursor.execute(" SELECT name, energy_category_id "
" FROM tbl_energy_items "
" WHERE id = %s ",
(new_values['data']['energy_item_id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_ITEM_NOT_FOUND')
else:
if row[1] != energy_category_id:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.BAD_REQUEST',
description='API.ENERGY_ITEM_IS_NOT_BELONG_TO_ENERGY_CATEGORY')
update_row = (" UPDATE tbl_offline_meters "
" SET name = %s, energy_category_id = %s,"
" is_counted = %s, hourly_low_limit = %s, hourly_high_limit = %s, "
" cost_center_id = %s, energy_item_id = %s, description = %s "
" WHERE id = %s ")
cursor.execute(update_row, (name,
energy_category_id,
is_counted,
hourly_low_limit,
hourly_high_limit,
cost_center_id,
energy_item_id,
description,
id_,))
cnx.commit()
cursor.close()
cnx.close()
resp.status = falcon.HTTP_200
class OfflineMeterExport:
def __init__(self):
"""Initializes OfflineMeterExport"""
pass
@staticmethod
def on_options(req, resp, id_):
resp.status = falcon.HTTP_200
@staticmethod
def on_get(req, resp, id_):
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)
if not id_.isdigit() or int(id_) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_ID')
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
query = (" SELECT id, name, uuid "
" FROM tbl_energy_categories ")
cursor.execute(query)
rows_energy_categories = cursor.fetchall()
energy_category_dict = dict()
if rows_energy_categories is not None and len(rows_energy_categories) > 0:
for row in rows_energy_categories:
energy_category_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_energy_items ")
cursor.execute(query)
rows_energy_items = cursor.fetchall()
energy_item_dict = dict()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row in rows_energy_items:
energy_item_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_cost_centers ")
cursor.execute(query)
rows_cost_centers = cursor.fetchall()
cost_center_dict = dict()
if rows_cost_centers is not None and len(rows_cost_centers) > 0:
for row in rows_cost_centers:
cost_center_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" energy_item_id, cost_center_id, description "
" FROM tbl_offline_meters "
" WHERE id = %s ")
cursor.execute(query, (id_,))
row = cursor.fetchone()
cursor.close()
cnx.close()
if row is None:
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.OFFLINE_METER_NOT_FOUND')
else:
meta_result = {"id": row[0],
"name": row[1],
"uuid": row[2],
"energy_category": energy_category_dict.get(row[3], None),
"is_counted": True if row[4] else False,
"hourly_low_limit": row[5],
"hourly_high_limit": row[6],
"energy_item": energy_item_dict.get(row[7], None),
"cost_center": cost_center_dict.get(row[8], None),
"description": row[9]}
resp.text = json.dumps(meta_result)
class OfflineMeterImport:
def __init__(self):
"""Initializes OfflineMeterImport"""
pass
@staticmethod
def on_options(req, resp):
resp.status = falcon.HTTP_200
@staticmethod
@user_logger
def on_post(req, resp):
"""Handles POST requests"""
admin_control(req)
try:
raw_json = req.stream.read().decode('utf-8')
except Exception as ex:
raise falcon.HTTPError(status=falcon.HTTP_400,
title='API.BAD_REQUEST',
description='API.FAILED_TO_READ_REQUEST_STREAM')
new_values = json.loads(raw_json)
if 'name' not in new_values.keys() or \
not isinstance(new_values['name'], str) or \
len(str.strip(new_values['name'])) == 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_NAME')
name = str.strip(new_values['name'])
if 'id' not in new_values['energy_category'].keys() or \
not isinstance(new_values['energy_category']['id'], int) or \
new_values['energy_category']['id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_CATEGORY_ID')
energy_category_id = new_values['energy_category']['id']
if 'is_counted' not in new_values.keys() or \
not isinstance(new_values['is_counted'], bool):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_IS_COUNTED_VALUE')
is_counted = new_values['is_counted']
if 'hourly_low_limit' not in new_values.keys() or \
not (isinstance(new_values['hourly_low_limit'], float) or
isinstance(new_values['hourly_low_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_LOW_LIMIT_VALUE')
hourly_low_limit = new_values['hourly_low_limit']
if 'hourly_high_limit' not in new_values.keys() or \
not (isinstance(new_values['hourly_high_limit'], float) or
isinstance(new_values['hourly_high_limit'], int)):
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_HOURLY_HIGH_LIMIT_VALUE')
hourly_high_limit = new_values['hourly_high_limit']
if 'id' not in new_values['cost_center'].keys() or \
not isinstance(new_values['cost_center']['id'], int) or \
new_values['cost_center']['id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_COST_CENTER_ID')
cost_center_id = new_values['cost_center']['id']
if 'id' in new_values['energy_item'].keys() and \
new_values['energy_item']['id'] is not None:
if not isinstance(new_values['energy_item']['id'], int) or \
new_values['energy_item']['id'] <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_ENERGY_ITEM_ID')
energy_item_id = new_values['energy_item']['id']
else:
energy_item_id = None
if 'description' in new_values.keys() and \
new_values['description'] is not None and \
len(str(new_values['description'])) > 0:
description = str.strip(new_values['description'])
else:
description = None
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
cursor.execute(" SELECT name "
" FROM tbl_offline_meters "
" WHERE name = %s ", (name,))
if cursor.fetchone() is not None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.OFFLINE_METER_NAME_IS_ALREADY_IN_USE')
cursor.execute(" SELECT name "
" FROM tbl_energy_categories "
" WHERE id = %s ",
(new_values['energy_category']['id'],))
if cursor.fetchone() is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_CATEGORY_NOT_FOUND')
if energy_item_id is not None:
cursor.execute(" SELECT name, energy_category_id "
" FROM tbl_energy_items "
" WHERE id = %s ",
(new_values['energy_item']['id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.ENERGY_ITEM_NOT_FOUND')
else:
if row[1] != energy_category_id:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.BAD_REQUEST',
description='API.ENERGY_ITEM_IS_NOT_BELONG_TO_ENERGY_CATEGORY')
cursor.execute(" SELECT name "
" FROM tbl_cost_centers "
" WHERE id = %s ",
(new_values['cost_center']['id'],))
row = cursor.fetchone()
if row is None:
cursor.close()
cnx.close()
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.COST_CENTER_NOT_FOUND')
add_values = (" INSERT INTO tbl_offline_meters "
" (name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" cost_center_id, energy_item_id, description) "
" VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s) ")
cursor.execute(add_values, (name,
str(uuid.uuid4()),
energy_category_id,
is_counted,
hourly_low_limit,
hourly_high_limit,
cost_center_id,
energy_item_id,
description))
new_id = cursor.lastrowid
cnx.commit()
cursor.close()
cnx.close()
resp.status = falcon.HTTP_201
resp.location = '/offlinemeters/' + str(new_id)
class OfflineMeterClone:
def __init__(self):
"""Initializes OfflineMeterClone"""
pass
@staticmethod
def on_options(req, resp, id_):
resp.status = falcon.HTTP_200
@staticmethod
@user_logger
def on_post(req, resp, id_):
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)
if not id_.isdigit() or int(id_) <= 0:
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
description='API.INVALID_OFFLINE_METER_ID')
cnx = mysql.connector.connect(**config.myems_system_db)
cursor = cnx.cursor()
query = (" SELECT id, name, uuid "
" FROM tbl_energy_categories ")
cursor.execute(query)
rows_energy_categories = cursor.fetchall()
energy_category_dict = dict()
if rows_energy_categories is not None and len(rows_energy_categories) > 0:
for row in rows_energy_categories:
energy_category_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_energy_items ")
cursor.execute(query)
rows_energy_items = cursor.fetchall()
energy_item_dict = dict()
if rows_energy_items is not None and len(rows_energy_items) > 0:
for row in rows_energy_items:
energy_item_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid "
" FROM tbl_cost_centers ")
cursor.execute(query)
rows_cost_centers = cursor.fetchall()
cost_center_dict = dict()
if rows_cost_centers is not None and len(rows_cost_centers) > 0:
for row in rows_cost_centers:
cost_center_dict[row[0]] = {"id": row[0],
"name": row[1],
"uuid": row[2]}
query = (" SELECT id, name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" energy_item_id, cost_center_id, description "
" FROM tbl_offline_meters "
" WHERE id = %s ")
cursor.execute(query, (id_,))
row = cursor.fetchone()
if row is None:
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
description='API.OFFLINE_METER_NOT_FOUND')
else:
meta_result = {"id": row[0],
"name": row[1],
"uuid": row[2],
"energy_category": energy_category_dict.get(row[3], None),
"is_counted": True if row[4] else False,
"hourly_low_limit": row[5],
"hourly_high_limit": row[6],
"energy_item": energy_item_dict.get(row[7], None),
"cost_center": cost_center_dict.get(row[8], None),
"description": row[9]}
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
if config.utc_offset[0] == '-':
timezone_offset = -timezone_offset
new_name = (str.strip(meta_result['name'])
+ (datetime.now()
+ timedelta(minutes=timezone_offset)).isoformat(sep='-', timespec='seconds'))
add_values = (" INSERT INTO tbl_offline_meters "
" (name, uuid, energy_category_id, "
" is_counted, hourly_low_limit, hourly_high_limit, "
" cost_center_id, energy_item_id, description) "
" VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s) ")
cursor.execute(add_values, (new_name,
str(uuid.uuid4()),
meta_result['energy_category']['id'],
meta_result['is_counted'],
meta_result['hourly_low_limit'],
meta_result['hourly_high_limit'],
meta_result['cost_center']['id'],
meta_result['energy_item']['id'],
meta_result['description']))
new_id = cursor.lastrowid
cnx.commit()
cursor.close()
cnx.close()
resp.status = falcon.HTTP_201
resp.location = '/offlinemeters/' + str(new_id)