1188 lines
49 KiB
Python
1188 lines
49 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 EnergyFlowDiagramCollection:
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@staticmethod
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def __init__():
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""""Initializes EnergyFlowDiagramCollection"""
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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, energy_flow_diagram_id, name "
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" FROM tbl_energy_flow_diagrams_nodes")
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cursor.execute(query)
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rows_nodes = cursor.fetchall()
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query = (" SELECT id, name, uuid "
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" FROM tbl_meters ")
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cursor.execute(query)
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rows_meters = cursor.fetchall()
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meter_dict = dict()
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if rows_meters is not None and len(rows_meters) > 0:
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for row in rows_meters:
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meter_dict[row['uuid']] = {"type": 'meter',
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"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_offline_meters ")
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cursor.execute(query)
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rows_offline_meters = cursor.fetchall()
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offline_meter_dict = dict()
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if rows_offline_meters is not None and len(rows_offline_meters) > 0:
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for row in rows_offline_meters:
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offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
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"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_virtual_meters ")
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cursor.execute(query)
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rows_virtual_meters = cursor.fetchall()
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virtual_meter_dict = dict()
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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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virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
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"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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node_dict = dict()
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node_list_dict = dict()
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if rows_nodes is not None and len(rows_nodes) > 0:
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for row in rows_nodes:
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node_dict[row['id']] = row['name']
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if node_list_dict.get(row['energy_flow_diagram_id']) is None:
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node_list_dict[row['energy_flow_diagram_id']] = list()
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node_list_dict[row['energy_flow_diagram_id']].append({"id": row['id'], "name": row['name']})
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query = (" SELECT id, energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid "
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" FROM tbl_energy_flow_diagrams_links")
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cursor.execute(query)
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rows_links = cursor.fetchall()
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link_list_dict = dict()
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if rows_links is not None and len(rows_links) > 0:
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for row in rows_links:
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# find meter by uuid
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meter = meter_dict.get(row['meter_uuid'], None)
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if meter is None:
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meter = virtual_meter_dict.get(row['meter_uuid'], None)
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if meter is None:
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meter = offline_meter_dict.get(row['meter_uuid'], None)
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if link_list_dict.get(row['energy_flow_diagram_id']) is None:
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link_list_dict[row['energy_flow_diagram_id']] = list()
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link_list_dict[row['energy_flow_diagram_id']].append({"id": row['id'],
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"source_node": {
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"id": row['source_node_id'],
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"name": node_dict.get(row['source_node_id'])},
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"target_node": {
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"id": row['target_node_id'],
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"name": node_dict.get(row['target_node_id'])},
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"meter": meter})
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query = (" SELECT id, name, uuid "
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" FROM tbl_energy_flow_diagrams "
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" ORDER BY id ")
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cursor.execute(query)
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rows_energy_flow_diagrams = cursor.fetchall()
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result = list()
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if rows_energy_flow_diagrams is not None and len(rows_energy_flow_diagrams) > 0:
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for row in rows_energy_flow_diagrams:
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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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"nodes": node_list_dict.get(row['id'], None),
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"links": link_list_dict.get(row['id'], None), }
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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.body = 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_ENERGY_FLOW_DIAGRAM_NAME')
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name = str.strip(new_values['data']['name'])
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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_energy_flow_diagrams "
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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.BAD_REQUEST',
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description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE')
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add_values = (" INSERT INTO tbl_energy_flow_diagrams "
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" (name, uuid) "
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" VALUES (%s, %s) ")
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cursor.execute(add_values, (name,
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str(uuid.uuid4())))
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new_id = cursor.lastrowid
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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 = '/energyflowdiagrams/' + str(new_id)
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class EnergyFlowDiagramItem:
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@staticmethod
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def __init__():
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""""Initializes EnergyFlowDiagramItem"""
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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_ENERGY_FLOW_DIAGRAM_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, energy_flow_diagram_id, name "
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" FROM tbl_energy_flow_diagrams_nodes")
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cursor.execute(query)
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rows_nodes = cursor.fetchall()
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query = (" SELECT id, name, uuid "
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" FROM tbl_meters ")
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cursor.execute(query)
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rows_meters = cursor.fetchall()
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meter_dict = dict()
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if rows_meters is not None and len(rows_meters) > 0:
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for row in rows_meters:
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meter_dict[row['uuid']] = {"type": 'meter',
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"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_offline_meters ")
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cursor.execute(query)
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rows_offline_meters = cursor.fetchall()
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offline_meter_dict = dict()
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if rows_offline_meters is not None and len(rows_offline_meters) > 0:
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for row in rows_offline_meters:
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offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
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"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_virtual_meters ")
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cursor.execute(query)
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rows_virtual_meters = cursor.fetchall()
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virtual_meter_dict = dict()
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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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virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
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"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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node_dict = dict()
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node_list_dict = dict()
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if rows_nodes is not None and len(rows_nodes) > 0:
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for row in rows_nodes:
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node_dict[row['id']] = row['name']
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if node_list_dict.get(row['energy_flow_diagram_id']) is None:
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node_list_dict[row['energy_flow_diagram_id']] = list()
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node_list_dict[row['energy_flow_diagram_id']].append({"id": row['id'], "name": row['name']})
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query = (" SELECT id, energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid "
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" FROM tbl_energy_flow_diagrams_links")
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cursor.execute(query)
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rows_links = cursor.fetchall()
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link_list_dict = dict()
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if rows_links is not None and len(rows_links) > 0:
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for row in rows_links:
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# find meter by uuid
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meter = meter_dict.get(row['meter_uuid'], None)
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if meter is None:
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meter = virtual_meter_dict.get(row['meter_uuid'], None)
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if meter is None:
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meter = offline_meter_dict.get(row['meter_uuid'], None)
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if link_list_dict.get(row['energy_flow_diagram_id']) is None:
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link_list_dict[row['energy_flow_diagram_id']] = list()
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link_list_dict[row['energy_flow_diagram_id']].append({"id": row['id'],
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"source_node": {
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"id": row['source_node_id'],
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"name": node_dict.get(row['source_node_id'])},
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"target_node": {
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"id": row['target_node_id'],
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"name": node_dict.get(row['target_node_id'])},
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"meter": meter})
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query = (" SELECT id, name, uuid "
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" FROM tbl_energy_flow_diagrams "
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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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cursor.close()
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cnx.disconnect()
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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.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
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else:
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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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"nodes": node_list_dict.get(row['id'], None),
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"links": link_list_dict.get(row['id'], None),
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}
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resp.body = json.dumps(meta_result)
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@staticmethod
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@user_logger
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def on_delete(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_ENERGY_FLOW_DIAGRAM_ID')
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor()
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# delete all associated nodes
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cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_nodes"
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" WHERE energy_flow_diagram_id = %s ", (id_,))
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cnx.commit()
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# delete all associated links
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cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_links"
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" WHERE energy_flow_diagram_id = %s ", (id_,))
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cnx.commit()
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cursor.execute(" DELETE FROM tbl_energy_flow_diagrams"
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" WHERE id = %s ", (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_204
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@staticmethod
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@user_logger
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def on_put(req, resp, id_):
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"""Handles PUT requests"""
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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_ENERGY_FLOW_DIAGRAM_ID')
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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.EXCEPTION', 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_ENERGY_FLOW_DIAGRAM_NAME')
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name = str.strip(new_values['data']['name'])
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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_energy_flow_diagrams "
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" WHERE id = %s ", (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_FLOW_DIAGRAM_NOT_FOUND')
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cursor.execute(" SELECT name "
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" FROM tbl_energy_flow_diagrams "
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" WHERE name = %s AND id != %s ", (name, id_))
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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.BAD_REQUEST',
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description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE')
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update_row = (" UPDATE tbl_energy_flow_diagrams "
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" SET name = %s "
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" WHERE id = %s ")
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cursor.execute(update_row, (name,
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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_200
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class EnergyFlowDiagramLinkCollection:
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@staticmethod
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def __init__():
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""""Initializes EnergyFlowDiagramLinkCollection"""
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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_ENERGY_FLOW_DIAGRAM_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 "
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" FROM tbl_energy_flow_diagrams_nodes ")
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cursor.execute(query)
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rows_nodes = cursor.fetchall()
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node_dict = dict()
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if rows_nodes is not None and len(rows_nodes) > 0:
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for row in rows_nodes:
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node_dict[row['id']] = {"id": row['id'],
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"name": row['name']}
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query = (" SELECT id, name, uuid "
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" FROM tbl_meters ")
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cursor.execute(query)
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rows_meters = cursor.fetchall()
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meter_dict = dict()
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if rows_meters is not None and len(rows_meters) > 0:
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for row in rows_meters:
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meter_dict[row['uuid']] = {"type": 'meter',
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"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_offline_meters ")
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cursor.execute(query)
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rows_offline_meters = cursor.fetchall()
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offline_meter_dict = dict()
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if rows_offline_meters is not None and len(rows_offline_meters) > 0:
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for row in rows_offline_meters:
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offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
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"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_virtual_meters ")
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cursor.execute(query)
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rows_virtual_meters = cursor.fetchall()
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virtual_meter_dict = dict()
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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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virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
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"id": row['id'],
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"name": row['name'],
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"uuid": row['uuid']}
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cursor.execute(" SELECT name "
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" FROM tbl_energy_flow_diagrams "
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" WHERE id = %s ", (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_FLOW_DIAGRAM_NOT_FOUND')
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query = (" SELECT id, source_node_id, target_node_id, meter_uuid "
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" FROM tbl_energy_flow_diagrams_links "
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" WHERE energy_flow_diagram_id = %s "
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" ORDER BY id ")
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cursor.execute(query, (id_, ))
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rows_links = cursor.fetchall()
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result = list()
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if rows_links is not None and len(rows_links) > 0:
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for row in rows_links:
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source_node = node_dict.get(row['source_node_id'], None)
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target_node = node_dict.get(row['target_node_id'], None)
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# find meter by uuid
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meter = meter_dict.get(row['meter_uuid'], None)
|
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if meter is None:
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meter = virtual_meter_dict.get(row['meter_uuid'], None)
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if meter is None:
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meter = offline_meter_dict.get(row['meter_uuid'], None)
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meta_result = {"id": row['id'],
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"source_node": source_node,
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"target_node": target_node,
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"meter": meter}
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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.body = json.dumps(result)
|
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|
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@staticmethod
|
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@user_logger
|
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def on_post(req, resp, id_):
|
|
"""Handles POST requests"""
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
try:
|
|
raw_json = req.stream.read().decode('utf-8')
|
|
except Exception as ex:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
|
|
|
|
new_values = json.loads(raw_json)
|
|
|
|
source_node_id = None
|
|
if 'source_node_id' in new_values['data'].keys():
|
|
if new_values['data']['source_node_id'] is not None and \
|
|
new_values['data']['source_node_id'] <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_SOURCE_NODE_ID')
|
|
source_node_id = new_values['data']['source_node_id']
|
|
|
|
target_node_id = None
|
|
if 'target_node_id' in new_values['data'].keys():
|
|
if new_values['data']['target_node_id'] is not None and \
|
|
new_values['data']['target_node_id'] <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_TARGET_NODE_ID')
|
|
target_node_id = new_values['data']['target_node_id']
|
|
|
|
meter_uuid = None
|
|
if 'meter_uuid' in new_values['data'].keys():
|
|
if new_values['data']['meter_uuid'] is not None and \
|
|
isinstance(new_values['data']['meter_uuid'], str) and \
|
|
len(str.strip(new_values['data']['meter_uuid'])) > 0:
|
|
meter_uuid = str.strip(new_values['data']['meter_uuid'])
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ", (id_,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE energy_flow_diagram_id = %s AND "
|
|
" source_node_id = %s AND target_node_id = %s ",
|
|
(id_, source_node_id, target_node_id,))
|
|
row = cursor.fetchone()
|
|
if row is not None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_IS_ALREADY_IN_USE')
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE id = %s ")
|
|
cursor.execute(query, (source_node_id,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.SOURCE_NODE_NOT_FOUND')
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE id = %s ")
|
|
cursor.execute(query, (target_node_id,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.TARGET_NODE_NOT_FOUND')
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_meters ")
|
|
cursor.execute(query)
|
|
rows_meters = cursor.fetchall()
|
|
|
|
meter_dict = dict()
|
|
if rows_meters is not None and len(rows_meters) > 0:
|
|
for row in rows_meters:
|
|
meter_dict[row['uuid']] = {"type": 'meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_offline_meters ")
|
|
cursor.execute(query)
|
|
rows_offline_meters = cursor.fetchall()
|
|
|
|
offline_meter_dict = dict()
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0:
|
|
for row in rows_offline_meters:
|
|
offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_virtual_meters ")
|
|
cursor.execute(query)
|
|
rows_virtual_meters = cursor.fetchall()
|
|
|
|
virtual_meter_dict = dict()
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0:
|
|
for row in rows_virtual_meters:
|
|
virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
# validate meter uuid
|
|
if meter_dict.get(meter_uuid) is None and \
|
|
virtual_meter_dict.get(meter_uuid) is None and \
|
|
offline_meter_dict.get(meter_uuid) is None:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_METER_UUID')
|
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_links "
|
|
" (energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid) "
|
|
" VALUES (%s, %s, %s, %s) ")
|
|
cursor.execute(add_values, (id_,
|
|
source_node_id,
|
|
target_node_id,
|
|
meter_uuid))
|
|
new_id = cursor.lastrowid
|
|
cnx.commit()
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_201
|
|
resp.location = '/energyflowdiagrams/' + str(id_) + 'links/' + str(new_id)
|
|
|
|
|
|
class EnergyFlowDiagramLinkItem:
|
|
@staticmethod
|
|
def __init__():
|
|
""""Initializes EnergyFlowDiagramLinkItem"""
|
|
pass
|
|
|
|
@staticmethod
|
|
def on_options(req, resp, id_, lid):
|
|
resp.status = falcon.HTTP_200
|
|
|
|
@staticmethod
|
|
def on_get(req, resp, id_, lid):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not lid.isdigit() or int(lid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes ")
|
|
cursor.execute(query)
|
|
rows_nodes = cursor.fetchall()
|
|
|
|
node_dict = dict()
|
|
if rows_nodes is not None and len(rows_nodes) > 0:
|
|
for row in rows_nodes:
|
|
node_dict[row['id']] = {"id": row['id'],
|
|
"name": row['name']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_meters ")
|
|
cursor.execute(query)
|
|
rows_meters = cursor.fetchall()
|
|
|
|
meter_dict = dict()
|
|
if rows_meters is not None and len(rows_meters) > 0:
|
|
for row in rows_meters:
|
|
meter_dict[row['uuid']] = {"type": 'meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_offline_meters ")
|
|
cursor.execute(query)
|
|
rows_offline_meters = cursor.fetchall()
|
|
|
|
offline_meter_dict = dict()
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0:
|
|
for row in rows_offline_meters:
|
|
offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_virtual_meters ")
|
|
cursor.execute(query)
|
|
rows_virtual_meters = cursor.fetchall()
|
|
|
|
virtual_meter_dict = dict()
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0:
|
|
for row in rows_virtual_meters:
|
|
virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, source_node_id, target_node_id, meter_uuid "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ")
|
|
cursor.execute(query, (id_, lid))
|
|
row = cursor.fetchone()
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
if row is None:
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH')
|
|
else:
|
|
source_node = node_dict.get(row['source_node_id'], None)
|
|
target_node = node_dict.get(row['target_node_id'], None)
|
|
# find meter by uuid
|
|
meter = meter_dict.get(row['meter_uuid'], None)
|
|
if meter is None:
|
|
meter = virtual_meter_dict.get(row['meter_uuid'], None)
|
|
if meter is None:
|
|
meter = offline_meter_dict.get(row['meter_uuid'], None)
|
|
|
|
meta_result = {"id": row['id'],
|
|
"source_node": source_node,
|
|
"target_node": target_node,
|
|
"meter": meter}
|
|
resp.body = json.dumps(meta_result)
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_delete(req, resp, id_, lid):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not lid.isdigit() or int(lid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor()
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ",
|
|
(id_,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ",
|
|
(id_, lid,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH')
|
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE id = %s ", (lid, ))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_204
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_put(req, resp, id_, lid):
|
|
"""Handles POST requests"""
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not lid.isdigit() or int(lid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID')
|
|
|
|
try:
|
|
raw_json = req.stream.read().decode('utf-8')
|
|
except Exception as ex:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
|
|
|
|
new_values = json.loads(raw_json)
|
|
|
|
source_node_id = None
|
|
if 'source_node_id' in new_values['data'].keys():
|
|
if new_values['data']['source_node_id'] is not None and \
|
|
new_values['data']['source_node_id'] <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_SOURCE_NODE_ID')
|
|
source_node_id = new_values['data']['source_node_id']
|
|
|
|
target_node_id = None
|
|
if 'target_node_id' in new_values['data'].keys():
|
|
if new_values['data']['target_node_id'] is not None and \
|
|
new_values['data']['target_node_id'] <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_TARGET_NODE_ID')
|
|
target_node_id = new_values['data']['target_node_id']
|
|
|
|
meter_uuid = None
|
|
if 'meter_uuid' in new_values['data'].keys():
|
|
if new_values['data']['meter_uuid'] is not None and \
|
|
isinstance(new_values['data']['meter_uuid'], str) and \
|
|
len(str.strip(new_values['data']['meter_uuid'])) > 0:
|
|
meter_uuid = str.strip(new_values['data']['meter_uuid'])
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ", (id_,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ",
|
|
(id_, lid,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH')
|
|
|
|
cursor.execute(" SELECT id "
|
|
" FROM tbl_energy_flow_diagrams_links "
|
|
" WHERE energy_flow_diagram_id = %s AND id != %s "
|
|
" AND source_node_id = %s AND target_node_id = %s ",
|
|
(id_, lid, source_node_id, target_node_id,))
|
|
row = cursor.fetchone()
|
|
if row is not None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_IS_ALREADY_IN_USE')
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE id = %s ")
|
|
cursor.execute(query, (source_node_id,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.SOURCE_NODE_NOT_FOUND')
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE id = %s ")
|
|
cursor.execute(query, (target_node_id,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.TARGET_NODE_NOT_FOUND')
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_meters ")
|
|
cursor.execute(query)
|
|
rows_meters = cursor.fetchall()
|
|
|
|
meter_dict = dict()
|
|
if rows_meters is not None and len(rows_meters) > 0:
|
|
for row in rows_meters:
|
|
meter_dict[row['uuid']] = {"type": 'meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_offline_meters ")
|
|
cursor.execute(query)
|
|
rows_offline_meters = cursor.fetchall()
|
|
|
|
offline_meter_dict = dict()
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0:
|
|
for row in rows_offline_meters:
|
|
offline_meter_dict[row['uuid']] = {"type": 'offline_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
query = (" SELECT id, name, uuid "
|
|
" FROM tbl_virtual_meters ")
|
|
cursor.execute(query)
|
|
rows_virtual_meters = cursor.fetchall()
|
|
|
|
virtual_meter_dict = dict()
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0:
|
|
for row in rows_virtual_meters:
|
|
virtual_meter_dict[row['uuid']] = {"type": 'virtual_meter',
|
|
"id": row['id'],
|
|
"name": row['name'],
|
|
"uuid": row['uuid']}
|
|
|
|
# validate meter uuid
|
|
if meter_dict.get(meter_uuid) is None and \
|
|
virtual_meter_dict.get(meter_uuid) is None and \
|
|
offline_meter_dict.get(meter_uuid) is None:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_METER_UUID')
|
|
|
|
add_values = (" UPDATE tbl_energy_flow_diagrams_links "
|
|
" SET source_node_id = %s, target_node_id = %s, meter_uuid = %s "
|
|
" WHERE id = %s ")
|
|
cursor.execute(add_values, (source_node_id,
|
|
target_node_id,
|
|
meter_uuid,
|
|
lid))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_200
|
|
|
|
|
|
class EnergyFlowDiagramNodeCollection:
|
|
@staticmethod
|
|
def __init__():
|
|
""""Initializes EnergyFlowDiagramNodeCollection"""
|
|
pass
|
|
|
|
@staticmethod
|
|
def on_options(req, resp, id_):
|
|
resp.status = falcon.HTTP_200
|
|
|
|
@staticmethod
|
|
def on_get(req, resp, id_):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" 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.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE energy_flow_diagram_id = %s "
|
|
" ORDER BY id ")
|
|
cursor.execute(query, (id_, ))
|
|
rows_nodes = cursor.fetchall()
|
|
|
|
result = list()
|
|
if rows_nodes is not None and len(rows_nodes) > 0:
|
|
for row in rows_nodes:
|
|
meta_result = {"id": row['id'],
|
|
"name": row['name']}
|
|
result.append(meta_result)
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
resp.body = json.dumps(result)
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_post(req, resp, id_):
|
|
"""Handles POST requests"""
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
try:
|
|
raw_json = req.stream.read().decode('utf-8')
|
|
except Exception as ex:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
|
|
|
|
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_ENERGY_FLOW_DIAGRAM_NODE_NAME')
|
|
name = str.strip(new_values['data']['name'])
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ", (id_,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE name = %s AND energy_flow_diagram_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.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE')
|
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_nodes "
|
|
" (energy_flow_diagram_id, name) "
|
|
" VALUES (%s, %s) ")
|
|
cursor.execute(add_values, (id_,
|
|
name))
|
|
new_id = cursor.lastrowid
|
|
cnx.commit()
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_201
|
|
resp.location = '/energyflowdiagrams/' + str(id_) + 'nodes/' + str(new_id)
|
|
|
|
|
|
class EnergyFlowDiagramNodeItem:
|
|
@staticmethod
|
|
def __init__():
|
|
""""Initializes EnergyFlowDiagramNodeItem"""
|
|
pass
|
|
|
|
@staticmethod
|
|
def on_options(req, resp, id_, nid):
|
|
resp.status = falcon.HTTP_200
|
|
|
|
@staticmethod
|
|
def on_get(req, resp, id_, nid):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not nid.isdigit() or int(nid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
query = (" SELECT id, name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ")
|
|
cursor.execute(query, (id_, nid))
|
|
row = cursor.fetchone()
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
if row is None:
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH')
|
|
else:
|
|
meta_result = {"id": row['id'],
|
|
"name": row['name']}
|
|
|
|
resp.body = json.dumps(meta_result)
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_delete(req, resp, id_, nid):
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not nid.isdigit() or int(nid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID')
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor()
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ",
|
|
(id_,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ",
|
|
(id_, nid,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH')
|
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE id = %s ", (nid, ))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_204
|
|
|
|
@staticmethod
|
|
@user_logger
|
|
def on_put(req, resp, id_, nid):
|
|
"""Handles POST requests"""
|
|
if not id_.isdigit() or int(id_) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID')
|
|
|
|
if not nid.isdigit() or int(nid) <= 0:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID')
|
|
|
|
try:
|
|
raw_json = req.stream.read().decode('utf-8')
|
|
except Exception as ex:
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
|
|
|
|
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_ENERGY_FLOW_DIAGRAM_NODE_NAME')
|
|
name = str.strip(new_values['data']['name'])
|
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db)
|
|
cursor = cnx.cursor(dictionary=True)
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams "
|
|
" WHERE id = %s ", (id_,))
|
|
if cursor.fetchone() is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ",
|
|
(id_, nid,))
|
|
row = cursor.fetchone()
|
|
if row is None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400,
|
|
title='API.NOT_FOUND',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH')
|
|
|
|
cursor.execute(" SELECT name "
|
|
" FROM tbl_energy_flow_diagrams_nodes "
|
|
" WHERE name = %s AND energy_flow_diagram_id = %s AND id != %s ", (name, id_, nid))
|
|
row = cursor.fetchone()
|
|
if row is not None:
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NAME_IS_ALREADY_IN_USE')
|
|
|
|
add_values = (" UPDATE tbl_energy_flow_diagrams_nodes "
|
|
" SET name = %s "
|
|
" WHERE id = %s ")
|
|
cursor.execute(add_values, (name,
|
|
nid))
|
|
cnx.commit()
|
|
|
|
cursor.close()
|
|
cnx.disconnect()
|
|
|
|
resp.status = falcon.HTTP_200
|
|
|