900 lines
44 KiB
Python
900 lines
44 KiB
Python
import falcon
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import simplejson as json
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import mysql.connector
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import config
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import uuid
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from core.userlogger import user_logger
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class VirtualMeterCollection:
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@staticmethod
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def __init__():
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""""Initializes VirtualMeterCollection"""
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pass
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@staticmethod
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def on_options(req, resp):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp):
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, name, uuid "
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" FROM tbl_energy_categories ")
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cursor.execute(query)
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rows_energy_categories = cursor.fetchall()
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energy_category_dict = dict()
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if rows_energy_categories is not None and len(rows_energy_categories) > 0:
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for row in rows_energy_categories:
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energy_category_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid "
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" FROM tbl_energy_items ")
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cursor.execute(query)
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rows_energy_items = cursor.fetchall()
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energy_item_dict = dict()
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if rows_energy_items is not None and len(rows_energy_items) > 0:
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for row in rows_energy_items:
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energy_item_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid "
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" FROM tbl_cost_centers ")
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cursor.execute(query)
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rows_cost_centers = cursor.fetchall()
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cost_center_dict = dict()
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if rows_cost_centers is not None and len(rows_cost_centers) > 0:
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for row in rows_cost_centers:
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cost_center_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid, energy_category_id, is_counted, "
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" energy_item_id, cost_center_id, description "
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" FROM tbl_virtual_meters "
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" ORDER BY id ")
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cursor.execute(query)
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rows_virtual_meters = cursor.fetchall()
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result = list()
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if rows_virtual_meters is not None and len(rows_virtual_meters) > 0:
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for row in rows_virtual_meters:
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energy_category = energy_category_dict.get(row['energy_category_id'], None)
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energy_item = energy_item_dict.get(row['energy_item_id'], None)
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cost_center = cost_center_dict.get(row['cost_center_id'], None)
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meta_result = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid'],
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"energy_category": energy_category,
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"is_counted": True if row['is_counted'] else False,
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"energy_item": energy_item,
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"cost_center": cost_center,
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"description": row['description'],
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"expression": {}}
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expression = dict()
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query_expression = (" SELECT e.id, e.uuid, e.equation "
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" FROM tbl_expressions e "
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" WHERE e.virtual_meter_id = %s ")
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cursor.execute(query_expression, (row['id'],))
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row_expression = cursor.fetchone()
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if row_expression is not None:
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expression = {'id': row_expression['id'],
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'uuid': row_expression['uuid'],
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'equation': row_expression['equation'],
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'variables': []}
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query_variables = (" SELECT v.id, v.name, v.meter_type, v.meter_id "
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" FROM tbl_expressions e, tbl_variables v "
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" WHERE e.id = %s AND v.expression_id = e.id "
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" ORDER BY v.name ")
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cursor.execute(query_variables, (row_expression['id'],))
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rows_variables = cursor.fetchall()
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if rows_variables is not None:
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for row_variable in rows_variables:
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if row_variable['meter_type'].lower() == 'meter':
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query_meter = (" SELECT m.name "
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" FROM tbl_meters m "
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" WHERE m.id = %s ")
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cursor.execute(query_meter, (row_variable['meter_id'],))
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row_meter = cursor.fetchone()
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if row_meter is not None:
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expression['variables'].append({'id': row_variable['id'],
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'name': row_variable['name'],
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'meter_type': row_variable['meter_type'],
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'meter_id': row_variable['meter_id'],
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'meter_name': row_meter['name']})
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elif row_variable['meter_type'].lower() == 'offline_meter':
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query_meter = (" SELECT m.name "
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" FROM tbl_offline_meters m "
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" WHERE m.id = %s ")
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cursor.execute(query_meter, (row_variable['meter_id'],))
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row_meter = cursor.fetchone()
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if row_meter is not None:
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expression['variables'].append({'id': row_variable['id'],
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'name': row_variable['name'],
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'meter_type': row_variable['meter_type'],
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'meter_id': row_variable['meter_id'],
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'meter_name': row_meter['name']})
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elif row_variable['meter_type'].lower() == 'virtual_meter':
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query_meter = (" SELECT m.name "
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" FROM tbl_virtual_meters m "
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" WHERE m.id = %s ")
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cursor.execute(query_meter, (row_variable['meter_id'],))
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row_meter = cursor.fetchone()
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if row_meter is not None:
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expression['variables'].append({'id': row_variable['id'],
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'name': row_variable['name'],
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'meter_type': row_variable['meter_type'],
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'meter_id': row_variable['meter_id'],
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'meter_name': row_meter['name']})
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meta_result['expression'] = expression
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result.append(meta_result)
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cursor.close()
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cnx.disconnect()
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resp.text = json.dumps(result)
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@staticmethod
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@user_logger
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def on_post(req, resp):
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"""Handles POST requests"""
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try:
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raw_json = req.stream.read().decode('utf-8')
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except Exception as ex:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
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new_values = json.loads(raw_json)
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if 'name' not in new_values['data'].keys() or \
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not isinstance(new_values['data']['name'], str) or \
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len(str.strip(new_values['data']['name'])) == 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_VIRTUAL_METER_NAME')
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name = str.strip(new_values['data']['name'])
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if 'energy_category_id' not in new_values['data'].keys() or new_values['data']['energy_category_id'] <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_ENERGY_CATEGORY_ID')
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energy_category_id = new_values['data']['energy_category_id']
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if 'is_counted' not in new_values['data'].keys() or not isinstance(new_values['data']['is_counted'], bool):
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_IS_COUNTED_VALUE')
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is_counted = new_values['data']['is_counted']
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if 'cost_center_id' not in new_values['data'].keys() or \
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not isinstance(new_values['data']['cost_center_id'], int) or \
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new_values['data']['cost_center_id'] <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_COST_CENTER_ID')
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cost_center_id = new_values['data']['cost_center_id']
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if 'energy_item_id' in new_values['data'].keys() and \
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new_values['data']['energy_item_id'] is not None:
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if not isinstance(new_values['data']['energy_item_id'], int) or \
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new_values['data']['energy_item_id'] <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_ENERGY_ITEM_ID')
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energy_item_id = new_values['data']['energy_item_id']
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else:
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energy_item_id = None
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if 'description' in new_values['data'].keys() and \
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new_values['data']['description'] is not None and \
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len(str(new_values['data']['description'])) > 0:
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description = str.strip(new_values['data']['description'])
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else:
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description = None
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if 'expression' not in new_values['data'].keys():
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_EXPRESSION_OBJECT')
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if 'equation' not in new_values['data']['expression'].keys() \
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or len(new_values['data']['expression']['equation']) == 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_EQUATION_IN_EXPRESSION')
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# todo: validate equation with more rules
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if 'variables' not in new_values['data']['expression'].keys() \
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or len(new_values['data']['expression']['variables']) == 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.EMPTY_VARIABLES_ARRAY')
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for variable in new_values['data']['expression']['variables']:
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if 'name' not in variable.keys() or \
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len(variable['name']) == 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_VARIABLE_NAME')
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if 'meter_type' not in variable.keys() or \
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len(variable['meter_type']) == 0 or \
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variable['meter_type'].lower() not in ['meter', 'offline_meter', 'virtual_meter']:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_VARIABLE_METER_TYPE')
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if 'meter_id' not in variable.keys() or \
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variable['meter_id'] <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_VARIABLE_METER_ID')
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor()
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cursor.execute(" SELECT name "
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" FROM tbl_virtual_meters "
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" WHERE name = %s ", (name,))
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if cursor.fetchone() is not None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.VIRTUAL_METER_NAME_IS_ALREADY_IN_USE')
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cursor.execute(" SELECT name "
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" FROM tbl_energy_categories "
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" WHERE id = %s ",
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(energy_category_id,))
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if cursor.fetchone() is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.ENERGY_CATEGORY_NOT_FOUND')
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cursor.execute(" SELECT name "
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" FROM tbl_cost_centers "
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" WHERE id = %s ",
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(new_values['data']['cost_center_id'],))
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row = cursor.fetchone()
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if row is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.COST_CENTER_NOT_FOUND')
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if energy_item_id is not None:
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cursor.execute(" SELECT name, energy_category_id "
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" FROM tbl_energy_items "
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" WHERE id = %s ",
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(new_values['data']['energy_item_id'],))
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row = cursor.fetchone()
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if row is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.ENERGY_ITEM_NOT_FOUND')
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else:
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if row[1] != energy_category_id:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',
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description='API.ENERGY_ITEM_IS_NOT_BELONG_TO_ENERGY_CATEGORY')
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for variable in new_values['data']['expression']['variables']:
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if variable['meter_type'].lower() == 'meter':
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cursor.execute(" SELECT name "
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" FROM tbl_meters "
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" WHERE id = %s ", (variable['meter_id'],))
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if cursor.fetchone() is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404,
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title='API.NOT_FOUND',
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description='API.METER_OF_VARIABLE_NOT_FOUND')
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elif variable['meter_type'].lower() == 'offline_meter':
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cursor.execute(" SELECT name "
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" FROM tbl_offline_meters "
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" WHERE id = %s ", (variable['meter_id'],))
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if cursor.fetchone() is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404,
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title='API.NOT_FOUND',
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description='API.OFFLINE_METER_OF_VARIABLE_NOT_FOUND')
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elif variable['meter_type'].lower() == 'virtual_meter':
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cursor.execute(" SELECT name "
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" FROM tbl_virtual_meters "
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" WHERE id = %s ", (variable['meter_id'],))
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if cursor.fetchone() is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404,
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title='API.NOT_FOUND',
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description='API.VIRTUAL_METER_OF_VARIABLE_NOT_FOUND')
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add_values = (" INSERT INTO tbl_virtual_meters "
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" (name, uuid, energy_category_id, is_counted, "
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" cost_center_id, energy_item_id, description) "
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" VALUES (%s, %s, %s, %s, %s, %s, %s) ")
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cursor.execute(add_values, (name,
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str(uuid.uuid4()),
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energy_category_id,
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is_counted,
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cost_center_id,
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energy_item_id,
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description))
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new_id = cursor.lastrowid
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cnx.commit()
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cursor.execute(" SELECT id "
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" FROM tbl_expressions "
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" WHERE virtual_meter_id = %s ", (new_id,))
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row_expression = cursor.fetchone()
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if row_expression is not None:
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# delete variables
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cursor.execute(" DELETE FROM tbl_variables WHERE expression_id = %s ", (row_expression[0],))
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# delete expression
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cursor.execute(" DELETE FROM tbl_expressions WHERE id = %s ", (row_expression[0],))
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cnx.commit()
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# add expression
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add_values = (" INSERT INTO tbl_expressions (uuid, virtual_meter_id, equation) "
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" VALUES (%s, %s, %s) ")
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cursor.execute(add_values, (str(uuid.uuid4()),
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new_id,
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new_values['data']['expression']['equation'].lower()))
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new_expression_id = cursor.lastrowid
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cnx.commit()
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# add variables
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for variable in new_values['data']['expression']['variables']:
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add_values = (" INSERT INTO tbl_variables (name, expression_id, meter_type, meter_id) "
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" VALUES (%s, %s, %s, %s) ")
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cursor.execute(add_values, (variable['name'].lower(),
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new_expression_id,
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variable['meter_type'],
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variable['meter_id'],))
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cnx.commit()
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cursor.close()
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cnx.disconnect()
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resp.status = falcon.HTTP_201
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resp.location = '/virtualmeters/' + str(new_id)
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class VirtualMeterItem:
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@staticmethod
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def __init__():
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""""Initializes VirtualMeterItem"""
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pass
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@staticmethod
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def on_options(req, resp, id_):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp, id_):
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if not id_.isdigit() or int(id_) <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_VIRTUAL_METER_ID')
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, name, uuid "
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" FROM tbl_energy_categories ")
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cursor.execute(query)
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rows_energy_categories = cursor.fetchall()
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energy_category_dict = dict()
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if rows_energy_categories is not None and len(rows_energy_categories) > 0:
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for row in rows_energy_categories:
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energy_category_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid, energy_category_id "
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" FROM tbl_energy_items ")
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cursor.execute(query)
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rows_energy_items = cursor.fetchall()
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energy_item_dict = dict()
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if rows_energy_items is not None and len(rows_energy_items) > 0:
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for row in rows_energy_items:
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energy_item_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid "
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" FROM tbl_cost_centers ")
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cursor.execute(query)
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rows_cost_centers = cursor.fetchall()
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cost_center_dict = dict()
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if rows_cost_centers is not None and len(rows_cost_centers) > 0:
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for row in rows_cost_centers:
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cost_center_dict[row['id']] = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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query = (" SELECT id, name, uuid, energy_category_id, is_counted, "
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" energy_item_id, cost_center_id, description "
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" FROM tbl_virtual_meters "
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" WHERE id = %s ")
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cursor.execute(query, (id_,))
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row = cursor.fetchone()
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if row is None:
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.VIRTUAL_METER_NOT_FOUND')
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else:
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energy_category = energy_category_dict.get(row['energy_category_id'], None)
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energy_item = energy_item_dict.get(row['energy_item_id'], None)
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cost_center = cost_center_dict.get(row['cost_center_id'], None)
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meta_result = {"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid'],
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"energy_category": energy_category,
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"is_counted": True if row['is_counted'] else False,
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"energy_item": energy_item,
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"cost_center": cost_center,
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"description": row['description'],
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"expression": {}}
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expression = dict()
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query_expression = (" SELECT e.id, e.uuid, e.equation "
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" FROM tbl_expressions e "
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" WHERE e.virtual_meter_id = %s ")
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cursor.execute(query_expression, (id_,))
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row_expression = cursor.fetchone()
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if row_expression is not None:
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expression = {'id': row_expression['id'],
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'uuid': row_expression['uuid'],
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'equation': row_expression['equation'],
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'variables': []}
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query_variables = (" SELECT v.id, v.name, v.meter_type, v.meter_id "
|
|
" FROM tbl_expressions e, tbl_variables v "
|
|
" WHERE e.id = %s AND v.expression_id = e.id "
|
|
" ORDER BY v.name ")
|
|
cursor.execute(query_variables, (row_expression['id'],))
|
|
rows_variables = cursor.fetchall()
|
|
if rows_variables is not None:
|
|
for row_variable in rows_variables:
|
|
if row_variable['meter_type'].lower() == 'meter':
|
|
query_meter = (" SELECT m.name "
|
|
" FROM tbl_meters m "
|
|
" WHERE m.id = %s ")
|
|
cursor.execute(query_meter, (row_variable['meter_id'],))
|
|
row_meter = cursor.fetchone()
|
|
if row_meter is not None:
|
|
expression['variables'].append({'id': row_variable['id'],
|
|
'name': row_variable['name'],
|
|
'meter_type': row_variable['meter_type'],
|
|
'meter_id': row_variable['meter_id'],
|
|
'meter_name': row_meter['name']})
|
|
elif row_variable['meter_type'].lower() == 'offline_meter':
|
|
query_meter = (" SELECT m.name "
|
|
" FROM tbl_offline_meters m "
|
|
" WHERE m.id = %s ")
|
|
cursor.execute(query_meter, (row_variable['meter_id'],))
|
|
row_meter = cursor.fetchone()
|
|
if row_meter is not None:
|
|
expression['variables'].append({'id': row_variable['id'],
|
|
'name': row_variable['name'],
|
|
'meter_type': row_variable['meter_type'],
|
|
'meter_id': row_variable['meter_id'],
|
|
'meter_name': row_meter['name']})
|
|
elif row_variable['meter_type'].lower() == 'virtual_meter':
|
|
query_meter = (" SELECT m.name "
|
|
" FROM tbl_virtual_meters m "
|
|
" WHERE m.id = %s ")
|
|
cursor.execute(query_meter, (row_variable['meter_id'],))
|
|
row_meter = cursor.fetchone()
|
|
if row_meter is not None:
|
|
expression['variables'].append({'id': row_variable['id'],
|
|
'name': row_variable['name'],
|
|
'meter_type': row_variable['meter_type'],
|
|
'meter_id': row_variable['meter_id'],
|
|
'meter_name': row_meter['name']})
|
|
|
|
meta_result['expression'] = expression
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
resp.text = json.dumps(meta_result)
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_delete(req, resp, id_):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VIRTUAL_METER_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor()
|
|
|
|
cursor.execute(" SELECT uuid "
|
|
" FROM tbl_virtual_meters "
|
|
" WHERE id = %s ", (id_,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
|
|
description='API.VIRTUAL_METER_NOT_FOUND')
|
|
else:
|
|
virtual_meter_uuid = row[0]
|
|
|
|
# check relations with other virtual meters
|
|
cursor.execute(" SELECT vm.name "
|
|
" FROM tbl_variables va, tbl_expressions ex, tbl_virtual_meters vm "
|
|
" WHERE va.meter_id = %s AND va.meter_type = 'virtual_meter' AND va.expression_id = ex.id "
|
|
" AND ex.virtual_meter_id = vm.id ",
|
|
(id_,))
|
|
row_virtual_meter = cursor.fetchone()
|
|
if row_virtual_meter is not None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.BAD_REQUEST',
|
|
description='API.THERE_IS_RELATION_WITH_OTHER_VIRTUAL_METERS')
|
|
|
|
# check relation with spaces
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_spaces_virtual_meters "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
rows_spaces = cursor.fetchall()
|
|
if rows_spaces is not None and len(rows_spaces) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(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_virtual_meters "
|
|
" WHERE virtual_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.disconnect()
|
|
raise falcon.HTTPError(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",
|
|
(virtual_meter_uuid, virtual_meter_uuid,))
|
|
rows_combined_equipments = cursor.fetchall()
|
|
if rows_combined_equipments is not None and len(rows_combined_equipments) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.BAD_REQUEST',
|
|
description='API.THERE_IS_RELATION_WITH_COMBINED_EQUIPMENT_PARAMETERS')
|
|
|
|
# check relation with equipments
|
|
cursor.execute(" SELECT equipment_id "
|
|
" FROM tbl_equipments_virtual_meters "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
rows_equipments = cursor.fetchall()
|
|
if rows_equipments is not None and len(rows_equipments) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(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",
|
|
(virtual_meter_uuid, virtual_meter_uuid,))
|
|
rows_equipments = cursor.fetchall()
|
|
if rows_equipments is not None and len(rows_equipments) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.BAD_REQUEST',
|
|
description='API.THERE_IS_RELATION_WITH_EQUIPMENT_PARAMETERS')
|
|
|
|
# check relations with tenants
|
|
cursor.execute(" SELECT tenant_id "
|
|
" FROM tbl_tenants_virtual_meters "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
rows_tenants = cursor.fetchall()
|
|
if rows_tenants is not None and len(rows_tenants) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(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_virtual_meters "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
rows_stores = cursor.fetchall()
|
|
if rows_stores is not None and len(rows_stores) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(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_virtual_meters "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
rows_shopfloors = cursor.fetchall()
|
|
if rows_shopfloors is not None and len(rows_shopfloors) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.BAD_REQUEST',
|
|
description='API.THERE_IS_RELATION_WITH_SHOPFLOORS')
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_expressions "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
row_expression = cursor.fetchone()
|
|
if row_expression is not None:
|
|
# delete variables
|
|
cursor.execute(" DELETE FROM tbl_variables WHERE expression_id = %s ", (row_expression[0],))
|
|
# delete expression
|
|
cursor.execute(" DELETE FROM tbl_expressions WHERE id = %s ", (row_expression[0],))
|
|
cnx.commit()
|
|
|
|
# check relation with energy flow diagram links
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE meter_uuid = %s ", (virtual_meter_uuid,))
|
|
rows_links = cursor.fetchall()
|
|
if rows_links is not None and len(rows_links) > 0:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.BAD_REQUEST',
|
|
description='API.THERE_IS_RELATION_WITH_ENERGY_FLOW_DIAGRAM_LINKS')
|
|
|
|
cursor.execute(" DELETE FROM tbl_virtual_meters WHERE id = %s ", (id_,))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_204
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_put(req, resp, id_):
|
|
"""Handles PUT requests"""
|
|
try:
|
|
raw_json = req.stream.read().decode('utf-8')
|
|
except Exception as ex:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex)
|
|
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VIRTUAL_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(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VIRTUAL_METER_NAME')
|
|
name = str.strip(new_values['data']['name'])
|
|
|
|
if 'energy_category_id' not in new_values['data'].keys() or new_values['data']['energy_category_id'] <= 0:
|
|
raise falcon.HTTPError(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(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_IS_COUNTED_VALUE')
|
|
is_counted = new_values['data']['is_counted']
|
|
|
|
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(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(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
|
|
|
|
if 'expression' not in new_values['data'].keys():
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_EXPRESSION_OBJECT')
|
|
|
|
if 'equation' not in new_values['data']['expression'].keys() \
|
|
or len(new_values['data']['expression']['equation']) == 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_EQUATION_IN_EXPRESSION')
|
|
# todo: validate equation with more rules
|
|
|
|
if 'variables' not in new_values['data']['expression'].keys() \
|
|
or len(new_values['data']['expression']['variables']) == 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.EMPTY_VARIABLES_ARRAY')
|
|
|
|
for variable in new_values['data']['expression']['variables']:
|
|
if 'name' not in variable.keys() or \
|
|
len(variable['name']) == 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VARIABLE_NAME')
|
|
if 'meter_type' not in variable.keys() or \
|
|
len(variable['meter_type']) == 0 or \
|
|
variable['meter_type'].lower() not in ['meter', 'offline_meter', 'virtual_meter']:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VARIABLE_METER_TYPE')
|
|
if 'meter_id' not in variable.keys() or \
|
|
variable['meter_id'] <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_VARIABLE_METER_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor()
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_virtual_meters "
|
|
" WHERE id = %s ", (id_,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
|
|
description='API.VIRTUAL_METER_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_virtual_meters "
|
|
" WHERE name = %s AND id != %s ", (name, id_))
|
|
if cursor.fetchone() is not None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.VIRTUAL_METER_NAME_IS_ALREADY_IN_USE')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_categories "
|
|
" WHERE id = %s ",
|
|
(energy_category_id,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(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.disconnect()
|
|
raise falcon.HTTPError(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.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
|
|
description='API.ENERGY_ITEM_NOT_FOUND')
|
|
else:
|
|
if row[1] != energy_category_id:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.ENERGY_ITEM_IS_NOT_BELONG_TO_ENERGY_CATEGORY')
|
|
|
|
for variable in new_values['data']['expression']['variables']:
|
|
if variable['meter_type'].lower() == 'meter':
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_meters "
|
|
" WHERE id = %s ", (variable['meter_id'],))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404,
|
|
title='API.NOT_FOUND',
|
|
description='API.METER_OF_VARIABLE_NOT_FOUND')
|
|
elif variable['meter_type'].lower() == 'offline_meter':
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_offline_meters "
|
|
" WHERE id = %s ", (variable['meter_id'],))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404,
|
|
title='API.NOT_FOUND',
|
|
description='API.OFFLINE_METER_OF_VARIABLE_NOT_FOUND')
|
|
elif variable['meter_type'].lower() == 'virtual_meter':
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_virtual_meters "
|
|
" WHERE id = %s ", (variable['meter_id'],))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_404,
|
|
title='API.NOT_FOUND',
|
|
description='API.VIRTUAL_METER_OF_VARIABLE_NOT_FOUND')
|
|
|
|
update_row = (" UPDATE tbl_virtual_meters "
|
|
" SET name = %s, energy_category_id = %s, is_counted = %s, "
|
|
" cost_center_id = %s, energy_item_id = %s, description = %s "
|
|
" WHERE id = %s ")
|
|
cursor.execute(update_row, (name,
|
|
energy_category_id,
|
|
is_counted,
|
|
cost_center_id,
|
|
energy_item_id,
|
|
description,
|
|
id_,))
|
|
cnx.commit()
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_expressions "
|
|
" WHERE virtual_meter_id = %s ", (id_,))
|
|
row_expression = cursor.fetchone()
|
|
if row_expression is not None:
|
|
# delete variables
|
|
cursor.execute(" DELETE FROM tbl_variables WHERE expression_id = %s ", (row_expression[0],))
|
|
# delete expression
|
|
cursor.execute(" DELETE FROM tbl_expressions WHERE id = %s ", (row_expression[0],))
|
|
cnx.commit()
|
|
|
|
# add expression
|
|
add_values = (" INSERT INTO tbl_expressions (uuid, virtual_meter_id, equation) "
|
|
" VALUES (%s, %s, %s) ")
|
|
cursor.execute(add_values, (str(uuid.uuid4()),
|
|
id_,
|
|
new_values['data']['expression']['equation'].lower()))
|
|
new_expression_id = cursor.lastrowid
|
|
cnx.commit()
|
|
|
|
# add variables
|
|
for variable in new_values['data']['expression']['variables']:
|
|
add_values = (" INSERT INTO tbl_variables (name, expression_id, meter_type, meter_id) "
|
|
" VALUES (%s, %s, %s, %s) ")
|
|
cursor.execute(add_values, (variable['name'].lower(),
|
|
new_expression_id,
|
|
variable['meter_type'],
|
|
variable['meter_id'],))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_200
|
|
|