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import uuid |
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from datetime import datetime, timedelta |
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import falcon |
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import mysql.connector |
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import simplejson as json |
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import redis |
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from core.useractivity import user_logger, admin_control, access_control, api_key_control |
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import config |
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def clear_energy_flow_diagram_cache(diagram_id=None): |
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""" |
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Clear energy flow diagram-related cache after data modification |
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Args: |
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diagram_id: Energy flow diagram ID (optional, for specific diagram cache) |
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""" |
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# Check if Redis is enabled |
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if not config.redis.get('is_enabled', False): |
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return |
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redis_client = None |
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try: |
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redis_client = redis.Redis( |
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host=config.redis['host'], |
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port=config.redis['port'], |
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password=config.redis['password'] if config.redis['password'] else None, |
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db=config.redis['db'], |
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decode_responses=True, |
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socket_connect_timeout=2, |
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socket_timeout=2 |
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) |
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redis_client.ping() |
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# Clear energy flow diagram list cache (all search query variations) |
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list_cache_key_pattern = 'energyflowdiagram:list:*' |
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matching_keys = redis_client.keys(list_cache_key_pattern) |
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if matching_keys: |
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redis_client.delete(*matching_keys) |
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# Clear specific diagram cache if diagram_id is provided |
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if diagram_id: |
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item_cache_key = f'energyflowdiagram:item:{diagram_id}' |
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redis_client.delete(item_cache_key) |
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link_list_cache_key = f'energyflowdiagram:links:{diagram_id}' |
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redis_client.delete(link_list_cache_key) |
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node_list_cache_key = f'energyflowdiagram:nodes:{diagram_id}' |
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redis_client.delete(node_list_cache_key) |
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export_cache_key = f'energyflowdiagram:export:{diagram_id}' |
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redis_client.delete(export_cache_key) |
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# Clear link item cache |
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link_item_cache_key_pattern = f'energyflowdiagram:link:{diagram_id}:*' |
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matching_link_keys = redis_client.keys(link_item_cache_key_pattern) |
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if matching_link_keys: |
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redis_client.delete(*matching_link_keys) |
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# Clear node item cache |
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node_item_cache_key_pattern = f'energyflowdiagram:node:{diagram_id}:*' |
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matching_node_keys = redis_client.keys(node_item_cache_key_pattern) |
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if matching_node_keys: |
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redis_client.delete(*matching_node_keys) |
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except Exception: |
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# If cache clear fails, ignore and continue |
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pass |
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class EnergyFlowDiagramCollection: |
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""" |
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Energy Flow Diagram Collection Resource |
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This class handles CRUD operations for energy flow diagram collection. |
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It provides endpoints for listing all energy flow diagrams and creating new ones. |
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Energy flow diagrams represent visual representations of energy flows between |
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different nodes in the energy management system, showing how energy moves |
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through various components like meters, equipment, and spaces. |
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""" |
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def __init__(self): |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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""" |
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Handle OPTIONS request for CORS preflight |
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Args: |
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req: Falcon request object |
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resp: Falcon response object |
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""" |
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_ = req |
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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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""" |
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Handle GET requests to retrieve all energy flow diagrams |
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Returns a list of all energy flow diagrams with their complete structure including: |
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- Diagram ID, name, and UUID |
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- Associated nodes (energy flow points) |
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- Links between nodes with meter associations |
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- Meter information (regular, offline, and virtual meters) |
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Args: |
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req: Falcon request object |
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resp: Falcon response object |
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""" |
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# Check authentication method (API key or session) |
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if 'API-KEY' not in req.headers or \ |
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not isinstance(req.headers['API-KEY'], str) or \ |
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len(str.strip(req.headers['API-KEY'])) == 0: |
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access_control(req) |
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else: |
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api_key_control(req) |
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search_query = req.get_param('q', default=None) |
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if search_query is not None: |
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search_query = search_query.strip() |
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else: |
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search_query = '' |
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# Redis cache key |
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cache_key = f'energyflowdiagram:list:{search_query}' |
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cache_expire = 28800 # 8 hours in seconds (long-term cache) |
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# Try to get from Redis cache (only if Redis is enabled) |
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redis_client = None |
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if config.redis.get('is_enabled', False): |
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try: |
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redis_client = redis.Redis( |
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host=config.redis['host'], |
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port=config.redis['port'], |
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password=config.redis['password'] if config.redis['password'] else None, |
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db=config.redis['db'], |
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decode_responses=True, |
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socket_connect_timeout=2, |
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socket_timeout=2 |
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) |
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redis_client.ping() |
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cached_result = redis_client.get(cache_key) |
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if cached_result: |
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resp.text = cached_result |
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return |
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except Exception: |
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# If Redis connection fails, continue to database query |
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pass |
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# Cache miss or Redis error - query database |
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# Connect to database |
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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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# Query to retrieve all regular meters for reference |
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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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# Build meter dictionary for quick lookup by UUID |
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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[2]] = {"type": 'meter', |
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"id": row[0], |
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"name": row[1], |
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"uuid": row[2]} |
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# Query to retrieve all offline meters for reference |
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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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# Build offline meter dictionary for quick lookup by UUID |
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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[2]] = {"type": 'offline_meter', |
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"id": row[0], |
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"name": row[1], |
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"uuid": row[2]} |
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# Query to retrieve all virtual meters for reference |
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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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# Build virtual meter dictionary for quick lookup by UUID |
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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[2]] = {"type": 'virtual_meter', |
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"id": row[0], |
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"name": row[1], |
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"uuid": row[2]} |
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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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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[0]] = row[2] |
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if node_list_dict.get(row[1]) is None: |
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node_list_dict[row[1]] = list() |
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node_list_dict[row[1]].append({"id": row[0], "name": row[2]}) |
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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[4], None) |
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if meter is None: |
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meter = virtual_meter_dict.get(row[4], None) |
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if meter is None: |
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meter = offline_meter_dict.get(row[4], None) |
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if link_list_dict.get(row[1]) is None: |
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link_list_dict[row[1]] = list() |
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link_list_dict[row[1]].append({"id": row[0], |
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"source_node": { |
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"id": row[2], |
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"name": node_dict.get(row[2])}, |
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"target_node": { |
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"id": row[3], |
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"name": node_dict.get(row[3])}, |
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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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params=[] |
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if search_query: |
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query += " WHERE name LIKE %s" |
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params = [f'%{search_query}%'] |
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query += " ORDER BY id " |
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cursor.execute(query,params) |
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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[0], |
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"name": row[1], |
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"uuid": row[2], |
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"nodes": node_list_dict.get(row[0], None), |
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"links": link_list_dict.get(row[0], None), } |
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result.append(meta_result) |
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cursor.close() |
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cnx.close() |
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# Store result in Redis cache |
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result_json = json.dumps(result) |
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if redis_client: |
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try: |
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redis_client.setex(cache_key, cache_expire, result_json) |
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except Exception: |
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# If cache store fails, ignore and continue |
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pass |
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resp.text = result_json |
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@staticmethod |
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@user_logger |
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def on_post(req, resp): |
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""" |
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Handle POST requests to create a new energy flow diagram |
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Creates a new energy flow diagram with the provided name. |
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The diagram will be empty initially and nodes/links can be added separately. |
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Args: |
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req: Falcon request object containing diagram data |
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resp: Falcon response object |
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""" |
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admin_control(req) |
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try: |
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raw_json = req.stream.read().decode('utf-8') |
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except UnicodeDecodeError as ex: |
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print("Failed to decode request") |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_ENCODING') |
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except Exception as ex: |
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print("Unexpected error reading request stream") |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.FAILED_TO_READ_REQUEST_STREAM') |
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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(status=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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311
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|
312
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|
|
cursor.execute(" SELECT name " |
|
313
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|
|
" FROM tbl_energy_flow_diagrams " |
|
314
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|
|
" WHERE name = %s ", (name,)) |
|
315
|
|
|
if cursor.fetchone() is not None: |
|
316
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|
|
cursor.close() |
|
317
|
|
|
cnx.close() |
|
318
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|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
319
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|
|
description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE') |
|
320
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|
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|
|
321
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams " |
|
322
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|
|
" (name, uuid) " |
|
323
|
|
|
" VALUES (%s, %s) ") |
|
324
|
|
|
cursor.execute(add_values, (name, |
|
325
|
|
|
str(uuid.uuid4()))) |
|
326
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|
|
new_id = cursor.lastrowid |
|
327
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|
cnx.commit() |
|
328
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|
|
cursor.close() |
|
329
|
|
|
cnx.close() |
|
330
|
|
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|
|
331
|
|
|
# Clear cache after creating new diagram |
|
332
|
|
|
clear_energy_flow_diagram_cache() |
|
333
|
|
|
|
|
334
|
|
|
resp.status = falcon.HTTP_201 |
|
335
|
|
|
resp.location = '/energyflowdiagrams/' + str(new_id) |
|
336
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|
|
337
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|
|
338
|
|
|
class EnergyFlowDiagramItem: |
|
339
|
|
|
""" |
|
340
|
|
|
Energy Flow Diagram Item Resource |
|
341
|
|
|
|
|
342
|
|
|
This class handles CRUD operations for individual energy flow diagrams. |
|
343
|
|
|
It provides endpoints for retrieving, updating, and deleting specific |
|
344
|
|
|
energy flow diagrams by their ID. |
|
345
|
|
|
""" |
|
346
|
|
|
def __init__(self): |
|
347
|
|
|
pass |
|
348
|
|
|
|
|
349
|
|
|
@staticmethod |
|
350
|
|
|
def on_options(req, resp, id_): |
|
351
|
|
|
_ = req |
|
352
|
|
|
resp.status = falcon.HTTP_200 |
|
353
|
|
|
_ = id_ |
|
354
|
|
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|
|
355
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
356
|
|
|
def on_get(req, resp, id_): |
|
357
|
|
|
if 'API-KEY' not in req.headers or \ |
|
358
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
359
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
360
|
|
|
access_control(req) |
|
361
|
|
|
else: |
|
362
|
|
|
api_key_control(req) |
|
363
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
364
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
365
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
366
|
|
|
|
|
367
|
|
|
# Redis cache key |
|
368
|
|
|
cache_key = f'energyflowdiagram:item:{id_}' |
|
369
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
370
|
|
|
|
|
371
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
372
|
|
|
redis_client = None |
|
373
|
|
|
if config.redis.get('is_enabled', False): |
|
374
|
|
|
try: |
|
375
|
|
|
redis_client = redis.Redis( |
|
376
|
|
|
host=config.redis['host'], |
|
377
|
|
|
port=config.redis['port'], |
|
378
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
379
|
|
|
db=config.redis['db'], |
|
380
|
|
|
decode_responses=True, |
|
381
|
|
|
socket_connect_timeout=2, |
|
382
|
|
|
socket_timeout=2 |
|
383
|
|
|
) |
|
384
|
|
|
redis_client.ping() |
|
385
|
|
|
cached_result = redis_client.get(cache_key) |
|
386
|
|
|
if cached_result: |
|
387
|
|
|
resp.text = cached_result |
|
388
|
|
|
return |
|
389
|
|
|
except Exception: |
|
390
|
|
|
# If Redis connection fails, continue to database query |
|
391
|
|
|
pass |
|
392
|
|
|
|
|
393
|
|
|
# Cache miss or Redis error - query database |
|
394
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
395
|
|
|
cursor = cnx.cursor() |
|
396
|
|
|
|
|
397
|
|
|
query = (" SELECT id, name, uuid " |
|
398
|
|
|
" FROM tbl_meters ") |
|
399
|
|
|
cursor.execute(query) |
|
400
|
|
|
rows_meters = cursor.fetchall() |
|
401
|
|
|
|
|
402
|
|
|
meter_dict = dict() |
|
403
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
404
|
|
|
for row in rows_meters: |
|
405
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
406
|
|
|
"id": row[0], |
|
407
|
|
|
"name": row[1], |
|
408
|
|
|
"uuid": row[2]} |
|
409
|
|
|
|
|
410
|
|
|
query = (" SELECT id, name, uuid " |
|
411
|
|
|
" FROM tbl_offline_meters ") |
|
412
|
|
|
cursor.execute(query) |
|
413
|
|
|
rows_offline_meters = cursor.fetchall() |
|
414
|
|
|
|
|
415
|
|
|
offline_meter_dict = dict() |
|
416
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
417
|
|
|
for row in rows_offline_meters: |
|
418
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
419
|
|
|
"id": row[0], |
|
420
|
|
|
"name": row[1], |
|
421
|
|
|
"uuid": row[2]} |
|
422
|
|
|
|
|
423
|
|
|
query = (" SELECT id, name, uuid " |
|
424
|
|
|
" FROM tbl_virtual_meters ") |
|
425
|
|
|
cursor.execute(query) |
|
426
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
427
|
|
|
|
|
428
|
|
|
virtual_meter_dict = dict() |
|
429
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
430
|
|
|
for row in rows_virtual_meters: |
|
431
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
432
|
|
|
"id": row[0], |
|
433
|
|
|
"name": row[1], |
|
434
|
|
|
"uuid": row[2]} |
|
435
|
|
|
|
|
436
|
|
|
query = (" SELECT id, energy_flow_diagram_id, name " |
|
437
|
|
|
" FROM tbl_energy_flow_diagrams_nodes") |
|
438
|
|
|
cursor.execute(query) |
|
439
|
|
|
rows_nodes = cursor.fetchall() |
|
440
|
|
|
|
|
441
|
|
|
node_dict = dict() |
|
442
|
|
|
node_list_dict = dict() |
|
443
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
444
|
|
|
for row in rows_nodes: |
|
445
|
|
|
node_dict[row[0]] = row[2] |
|
446
|
|
|
if node_list_dict.get(row[1]) is None: |
|
447
|
|
|
node_list_dict[row[1]] = list() |
|
448
|
|
|
node_list_dict[row[1]].append({"id": row[0], "name": row[2]}) |
|
449
|
|
|
|
|
450
|
|
|
query = (" SELECT id, energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid " |
|
451
|
|
|
" FROM tbl_energy_flow_diagrams_links") |
|
452
|
|
|
cursor.execute(query) |
|
453
|
|
|
rows_links = cursor.fetchall() |
|
454
|
|
|
|
|
455
|
|
|
link_list_dict = dict() |
|
456
|
|
|
if rows_links is not None and len(rows_links) > 0: |
|
457
|
|
|
for row in rows_links: |
|
458
|
|
|
# find meter by uuid |
|
459
|
|
|
meter = meter_dict.get(row[4], None) |
|
460
|
|
|
if meter is None: |
|
461
|
|
|
meter = virtual_meter_dict.get(row[4], None) |
|
462
|
|
|
if meter is None: |
|
463
|
|
|
meter = offline_meter_dict.get(row[4], None) |
|
464
|
|
|
|
|
465
|
|
|
if link_list_dict.get(row[1]) is None: |
|
466
|
|
|
link_list_dict[row[1]] = list() |
|
467
|
|
|
link_list_dict[row[1]].append({"id": row[0], |
|
468
|
|
|
"source_node": { |
|
469
|
|
|
"id": row[2], |
|
470
|
|
|
"name": node_dict.get(row[2])}, |
|
471
|
|
|
"target_node": { |
|
472
|
|
|
"id": row[3], |
|
473
|
|
|
"name": node_dict.get(row[3])}, |
|
474
|
|
|
"meter": meter}) |
|
475
|
|
|
|
|
476
|
|
|
query = (" SELECT id, name, uuid " |
|
477
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
478
|
|
|
" WHERE id = %s ") |
|
479
|
|
|
cursor.execute(query, (id_,)) |
|
480
|
|
|
row = cursor.fetchone() |
|
481
|
|
|
cursor.close() |
|
482
|
|
|
cnx.close() |
|
483
|
|
|
|
|
484
|
|
|
if row is None: |
|
485
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
486
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
487
|
|
|
else: |
|
488
|
|
|
meta_result = {"id": row[0], |
|
489
|
|
|
"name": row[1], |
|
490
|
|
|
"uuid": row[2], |
|
491
|
|
|
"nodes": node_list_dict.get(row[0], None), |
|
492
|
|
|
"links": link_list_dict.get(row[0], None), |
|
493
|
|
|
} |
|
494
|
|
|
|
|
495
|
|
|
# Store result in Redis cache |
|
496
|
|
|
result_json = json.dumps(meta_result) |
|
497
|
|
|
if redis_client: |
|
498
|
|
|
try: |
|
499
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
500
|
|
|
except Exception: |
|
501
|
|
|
# If cache store fails, ignore and continue |
|
502
|
|
|
pass |
|
503
|
|
|
|
|
504
|
|
|
resp.text = result_json |
|
505
|
|
|
|
|
506
|
|
|
@staticmethod |
|
507
|
|
|
@user_logger |
|
508
|
|
|
def on_delete(req, resp, id_): |
|
509
|
|
|
admin_control(req) |
|
510
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
511
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
512
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
513
|
|
|
|
|
514
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
515
|
|
|
cursor = cnx.cursor() |
|
516
|
|
|
|
|
517
|
|
|
# check relation with spaces |
|
518
|
|
|
cursor.execute(" SELECT id " |
|
519
|
|
|
" FROM tbl_spaces_energy_flow_diagrams " |
|
520
|
|
|
" WHERE energy_flow_diagram_id = %s ", (id_,)) |
|
521
|
|
|
rows_spaces = cursor.fetchall() |
|
522
|
|
|
if rows_spaces is not None and len(rows_spaces) > 0: |
|
523
|
|
|
cursor.close() |
|
524
|
|
|
cnx.close() |
|
525
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
526
|
|
|
title='API.BAD_REQUEST', |
|
527
|
|
|
description='API.THERE_IS_RELATION_WITH_SPACES') |
|
528
|
|
|
|
|
529
|
|
|
# delete all associated nodes |
|
530
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_nodes" |
|
531
|
|
|
" WHERE energy_flow_diagram_id = %s ", (id_,)) |
|
532
|
|
|
cnx.commit() |
|
533
|
|
|
|
|
534
|
|
|
# delete all associated links |
|
535
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_links" |
|
536
|
|
|
" WHERE energy_flow_diagram_id = %s ", (id_,)) |
|
537
|
|
|
cnx.commit() |
|
538
|
|
|
|
|
539
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams" |
|
540
|
|
|
" WHERE id = %s ", (id_,)) |
|
541
|
|
|
cnx.commit() |
|
542
|
|
|
|
|
543
|
|
|
cursor.close() |
|
544
|
|
|
cnx.close() |
|
545
|
|
|
|
|
546
|
|
|
# Clear cache after deleting diagram |
|
547
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
548
|
|
|
|
|
549
|
|
|
resp.status = falcon.HTTP_204 |
|
550
|
|
|
|
|
551
|
|
|
@staticmethod |
|
552
|
|
|
@user_logger |
|
553
|
|
|
def on_put(req, resp, id_): |
|
554
|
|
|
"""Handles PUT requests""" |
|
555
|
|
|
admin_control(req) |
|
556
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
557
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
558
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
559
|
|
|
try: |
|
560
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
561
|
|
|
except UnicodeDecodeError as ex: |
|
562
|
|
|
print("Failed to decode request") |
|
563
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
564
|
|
|
title='API.BAD_REQUEST', |
|
565
|
|
|
description='API.INVALID_ENCODING') |
|
566
|
|
|
except Exception as ex: |
|
567
|
|
|
print("Unexpected error reading request stream") |
|
568
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
569
|
|
|
title='API.BAD_REQUEST', |
|
570
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
571
|
|
|
|
|
572
|
|
|
new_values = json.loads(raw_json) |
|
573
|
|
|
|
|
574
|
|
|
if 'name' not in new_values['data'].keys() or \ |
|
575
|
|
|
not isinstance(new_values['data']['name'], str) or \ |
|
576
|
|
|
len(str.strip(new_values['data']['name'])) == 0: |
|
577
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
578
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NAME') |
|
579
|
|
|
name = str.strip(new_values['data']['name']) |
|
580
|
|
|
|
|
581
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
582
|
|
|
cursor = cnx.cursor() |
|
583
|
|
|
|
|
584
|
|
|
cursor.execute(" SELECT name " |
|
585
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
586
|
|
|
" WHERE id = %s ", (id_,)) |
|
587
|
|
|
if cursor.fetchone() is None: |
|
588
|
|
|
cursor.close() |
|
589
|
|
|
cnx.close() |
|
590
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
591
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
592
|
|
|
|
|
593
|
|
|
cursor.execute(" SELECT name " |
|
594
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
595
|
|
|
" WHERE name = %s AND id != %s ", (name, id_)) |
|
596
|
|
|
if cursor.fetchone() is not None: |
|
597
|
|
|
cursor.close() |
|
598
|
|
|
cnx.close() |
|
599
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
600
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE') |
|
601
|
|
|
|
|
602
|
|
|
update_row = (" UPDATE tbl_energy_flow_diagrams " |
|
603
|
|
|
" SET name = %s " |
|
604
|
|
|
" WHERE id = %s ") |
|
605
|
|
|
cursor.execute(update_row, (name, |
|
606
|
|
|
id_)) |
|
607
|
|
|
cnx.commit() |
|
608
|
|
|
|
|
609
|
|
|
cursor.close() |
|
610
|
|
|
cnx.close() |
|
611
|
|
|
|
|
612
|
|
|
# Clear cache after updating diagram |
|
613
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
614
|
|
|
|
|
615
|
|
|
resp.status = falcon.HTTP_200 |
|
616
|
|
|
|
|
617
|
|
|
|
|
618
|
|
|
class EnergyFlowDiagramLinkCollection: |
|
619
|
|
|
def __init__(self): |
|
620
|
|
|
pass |
|
621
|
|
|
|
|
622
|
|
|
@staticmethod |
|
623
|
|
|
def on_options(req, resp, id_): |
|
624
|
|
|
_ = req |
|
625
|
|
|
resp.status = falcon.HTTP_200 |
|
626
|
|
|
_ = id_ |
|
627
|
|
|
|
|
628
|
|
|
@staticmethod |
|
629
|
|
|
def on_get(req, resp, id_): |
|
630
|
|
|
if 'API-KEY' not in req.headers or \ |
|
631
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
632
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
633
|
|
|
access_control(req) |
|
634
|
|
|
else: |
|
635
|
|
|
api_key_control(req) |
|
636
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
637
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
638
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
639
|
|
|
|
|
640
|
|
|
# Redis cache key |
|
641
|
|
|
cache_key = f'energyflowdiagram:links:{id_}' |
|
642
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
643
|
|
|
|
|
644
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
645
|
|
|
redis_client = None |
|
646
|
|
|
if config.redis.get('is_enabled', False): |
|
647
|
|
|
try: |
|
648
|
|
|
redis_client = redis.Redis( |
|
649
|
|
|
host=config.redis['host'], |
|
650
|
|
|
port=config.redis['port'], |
|
651
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
652
|
|
|
db=config.redis['db'], |
|
653
|
|
|
decode_responses=True, |
|
654
|
|
|
socket_connect_timeout=2, |
|
655
|
|
|
socket_timeout=2 |
|
656
|
|
|
) |
|
657
|
|
|
redis_client.ping() |
|
658
|
|
|
cached_result = redis_client.get(cache_key) |
|
659
|
|
|
if cached_result: |
|
660
|
|
|
resp.text = cached_result |
|
661
|
|
|
return |
|
662
|
|
|
except Exception: |
|
663
|
|
|
# If Redis connection fails, continue to database query |
|
664
|
|
|
pass |
|
665
|
|
|
|
|
666
|
|
|
# Cache miss or Redis error - query database |
|
667
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
668
|
|
|
cursor = cnx.cursor() |
|
669
|
|
|
|
|
670
|
|
|
query = (" SELECT id, name " |
|
671
|
|
|
" FROM tbl_energy_flow_diagrams_nodes ") |
|
672
|
|
|
cursor.execute(query) |
|
673
|
|
|
rows_nodes = cursor.fetchall() |
|
674
|
|
|
|
|
675
|
|
|
node_dict = dict() |
|
676
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
677
|
|
|
for row in rows_nodes: |
|
678
|
|
|
node_dict[row[0]] = {"id": row[0], |
|
679
|
|
|
"name": row[1]} |
|
680
|
|
|
|
|
681
|
|
|
query = (" SELECT id, name, uuid " |
|
682
|
|
|
" FROM tbl_meters ") |
|
683
|
|
|
cursor.execute(query) |
|
684
|
|
|
rows_meters = cursor.fetchall() |
|
685
|
|
|
|
|
686
|
|
|
meter_dict = dict() |
|
687
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
688
|
|
|
for row in rows_meters: |
|
689
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
690
|
|
|
"id": row[0], |
|
691
|
|
|
"name": row[1], |
|
692
|
|
|
"uuid": row[2]} |
|
693
|
|
|
|
|
694
|
|
|
query = (" SELECT id, name, uuid " |
|
695
|
|
|
" FROM tbl_offline_meters ") |
|
696
|
|
|
cursor.execute(query) |
|
697
|
|
|
rows_offline_meters = cursor.fetchall() |
|
698
|
|
|
|
|
699
|
|
|
offline_meter_dict = dict() |
|
700
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
701
|
|
|
for row in rows_offline_meters: |
|
702
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
703
|
|
|
"id": row[0], |
|
704
|
|
|
"name": row[1], |
|
705
|
|
|
"uuid": row[2]} |
|
706
|
|
|
|
|
707
|
|
|
query = (" SELECT id, name, uuid " |
|
708
|
|
|
" FROM tbl_virtual_meters ") |
|
709
|
|
|
cursor.execute(query) |
|
710
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
711
|
|
|
|
|
712
|
|
|
virtual_meter_dict = dict() |
|
713
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
714
|
|
|
for row in rows_virtual_meters: |
|
715
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
716
|
|
|
"id": row[0], |
|
717
|
|
|
"name": row[1], |
|
718
|
|
|
"uuid": row[2]} |
|
719
|
|
|
|
|
720
|
|
|
cursor.execute(" SELECT name " |
|
721
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
722
|
|
|
" WHERE id = %s ", (id_,)) |
|
723
|
|
|
if cursor.fetchone() is None: |
|
724
|
|
|
cursor.close() |
|
725
|
|
|
cnx.close() |
|
726
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
727
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
728
|
|
|
|
|
729
|
|
|
query = (" SELECT id, source_node_id, target_node_id, meter_uuid " |
|
730
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
731
|
|
|
" WHERE energy_flow_diagram_id = %s " |
|
732
|
|
|
" ORDER BY id ") |
|
733
|
|
|
cursor.execute(query, (id_, )) |
|
734
|
|
|
rows_links = cursor.fetchall() |
|
735
|
|
|
|
|
736
|
|
|
result = list() |
|
737
|
|
|
if rows_links is not None and len(rows_links) > 0: |
|
738
|
|
|
for row in rows_links: |
|
739
|
|
|
source_node = node_dict.get(row[1], None) |
|
740
|
|
|
target_node = node_dict.get(row[2], None) |
|
741
|
|
|
# find meter by uuid |
|
742
|
|
|
meter = meter_dict.get(row[3], None) |
|
743
|
|
|
if meter is None: |
|
744
|
|
|
meter = virtual_meter_dict.get(row[3], None) |
|
745
|
|
|
if meter is None: |
|
746
|
|
|
meter = offline_meter_dict.get(row[3], None) |
|
747
|
|
|
|
|
748
|
|
|
meta_result = {"id": row[0], |
|
749
|
|
|
"source_node": source_node, |
|
750
|
|
|
"target_node": target_node, |
|
751
|
|
|
"meter": meter} |
|
752
|
|
|
result.append(meta_result) |
|
753
|
|
|
|
|
754
|
|
|
cursor.close() |
|
755
|
|
|
cnx.close() |
|
756
|
|
|
|
|
757
|
|
|
# Store result in Redis cache |
|
758
|
|
|
result_json = json.dumps(result) |
|
759
|
|
|
if redis_client: |
|
760
|
|
|
try: |
|
761
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
762
|
|
|
except Exception: |
|
763
|
|
|
# If cache store fails, ignore and continue |
|
764
|
|
|
pass |
|
765
|
|
|
|
|
766
|
|
|
resp.text = result_json |
|
767
|
|
|
|
|
768
|
|
|
@staticmethod |
|
769
|
|
|
@user_logger |
|
770
|
|
|
def on_post(req, resp, id_): |
|
771
|
|
|
"""Handles POST requests""" |
|
772
|
|
|
admin_control(req) |
|
773
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
774
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
775
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
776
|
|
|
try: |
|
777
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
778
|
|
|
except UnicodeDecodeError as ex: |
|
779
|
|
|
print("Failed to decode request") |
|
780
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
781
|
|
|
title='API.BAD_REQUEST', |
|
782
|
|
|
description='API.INVALID_ENCODING') |
|
783
|
|
|
except Exception as ex: |
|
784
|
|
|
print("Unexpected error reading request stream") |
|
785
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
786
|
|
|
title='API.BAD_REQUEST', |
|
787
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
788
|
|
|
|
|
789
|
|
|
new_values = json.loads(raw_json) |
|
790
|
|
|
|
|
791
|
|
|
source_node_id = None |
|
792
|
|
|
if 'source_node_id' in new_values['data'].keys(): |
|
793
|
|
|
if new_values['data']['source_node_id'] is not None and \ |
|
794
|
|
|
new_values['data']['source_node_id'] <= 0: |
|
795
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
796
|
|
|
description='API.INVALID_SOURCE_NODE_ID') |
|
797
|
|
|
source_node_id = new_values['data']['source_node_id'] |
|
798
|
|
|
|
|
799
|
|
|
target_node_id = None |
|
800
|
|
|
if 'target_node_id' in new_values['data'].keys(): |
|
801
|
|
|
if new_values['data']['target_node_id'] is not None and \ |
|
802
|
|
|
new_values['data']['target_node_id'] <= 0: |
|
803
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
804
|
|
|
description='API.INVALID_TARGET_NODE_ID') |
|
805
|
|
|
target_node_id = new_values['data']['target_node_id'] |
|
806
|
|
|
|
|
807
|
|
|
meter_uuid = None |
|
808
|
|
|
if 'meter_uuid' in new_values['data'].keys(): |
|
809
|
|
|
if new_values['data']['meter_uuid'] is not None and \ |
|
810
|
|
|
isinstance(new_values['data']['meter_uuid'], str) and \ |
|
811
|
|
|
len(str.strip(new_values['data']['meter_uuid'])) > 0: |
|
812
|
|
|
meter_uuid = str.strip(new_values['data']['meter_uuid']) |
|
813
|
|
|
|
|
814
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
815
|
|
|
cursor = cnx.cursor() |
|
816
|
|
|
|
|
817
|
|
|
cursor.execute(" SELECT name " |
|
818
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
819
|
|
|
" WHERE id = %s ", (id_,)) |
|
820
|
|
|
if cursor.fetchone() is None: |
|
821
|
|
|
cursor.close() |
|
822
|
|
|
cnx.close() |
|
823
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
824
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
825
|
|
|
|
|
826
|
|
|
cursor.execute(" SELECT id " |
|
827
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
828
|
|
|
" WHERE energy_flow_diagram_id = %s AND " |
|
829
|
|
|
" source_node_id = %s AND target_node_id = %s ", |
|
830
|
|
|
(id_, source_node_id, target_node_id,)) |
|
831
|
|
|
row = cursor.fetchone() |
|
832
|
|
|
if row is not None: |
|
833
|
|
|
cursor.close() |
|
834
|
|
|
cnx.close() |
|
835
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
836
|
|
|
title='API.NOT_FOUND', |
|
837
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_IS_ALREADY_IN_USE') |
|
838
|
|
|
|
|
839
|
|
|
query = (" SELECT id, name " |
|
840
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
841
|
|
|
" WHERE id = %s ") |
|
842
|
|
|
cursor.execute(query, (source_node_id,)) |
|
843
|
|
|
if cursor.fetchone() is None: |
|
844
|
|
|
cursor.close() |
|
845
|
|
|
cnx.close() |
|
846
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
847
|
|
|
description='API.SOURCE_NODE_NOT_FOUND') |
|
848
|
|
|
|
|
849
|
|
|
query = (" SELECT id, name " |
|
850
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
851
|
|
|
" WHERE id = %s ") |
|
852
|
|
|
cursor.execute(query, (target_node_id,)) |
|
853
|
|
|
if cursor.fetchone() is None: |
|
854
|
|
|
cursor.close() |
|
855
|
|
|
cnx.close() |
|
856
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
857
|
|
|
description='API.TARGET_NODE_NOT_FOUND') |
|
858
|
|
|
|
|
859
|
|
|
query = (" SELECT id, name, uuid " |
|
860
|
|
|
" FROM tbl_meters ") |
|
861
|
|
|
cursor.execute(query) |
|
862
|
|
|
rows_meters = cursor.fetchall() |
|
863
|
|
|
|
|
864
|
|
|
meter_dict = dict() |
|
865
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
866
|
|
|
for row in rows_meters: |
|
867
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
868
|
|
|
"id": row[0], |
|
869
|
|
|
"name": row[1], |
|
870
|
|
|
"uuid": row[2]} |
|
871
|
|
|
|
|
872
|
|
|
query = (" SELECT id, name, uuid " |
|
873
|
|
|
" FROM tbl_offline_meters ") |
|
874
|
|
|
cursor.execute(query) |
|
875
|
|
|
rows_offline_meters = cursor.fetchall() |
|
876
|
|
|
|
|
877
|
|
|
offline_meter_dict = dict() |
|
878
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
879
|
|
|
for row in rows_offline_meters: |
|
880
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
881
|
|
|
"id": row[0], |
|
882
|
|
|
"name": row[1], |
|
883
|
|
|
"uuid": row[2]} |
|
884
|
|
|
|
|
885
|
|
|
query = (" SELECT id, name, uuid " |
|
886
|
|
|
" FROM tbl_virtual_meters ") |
|
887
|
|
|
cursor.execute(query) |
|
888
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
889
|
|
|
|
|
890
|
|
|
virtual_meter_dict = dict() |
|
891
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
892
|
|
|
for row in rows_virtual_meters: |
|
893
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
894
|
|
|
"id": row[0], |
|
895
|
|
|
"name": row[1], |
|
896
|
|
|
"uuid": row[2]} |
|
897
|
|
|
|
|
898
|
|
|
# validate meter uuid |
|
899
|
|
|
if meter_dict.get(meter_uuid) is None and \ |
|
900
|
|
|
virtual_meter_dict.get(meter_uuid) is None and \ |
|
901
|
|
|
offline_meter_dict.get(meter_uuid) is None: |
|
902
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
903
|
|
|
description='API.INVALID_METER_UUID') |
|
904
|
|
|
|
|
905
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_links " |
|
906
|
|
|
" (energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid) " |
|
907
|
|
|
" VALUES (%s, %s, %s, %s) ") |
|
908
|
|
|
cursor.execute(add_values, (id_, |
|
909
|
|
|
source_node_id, |
|
910
|
|
|
target_node_id, |
|
911
|
|
|
meter_uuid)) |
|
912
|
|
|
new_id = cursor.lastrowid |
|
913
|
|
|
cnx.commit() |
|
914
|
|
|
cursor.close() |
|
915
|
|
|
cnx.close() |
|
916
|
|
|
|
|
917
|
|
|
# Clear cache after creating new link |
|
918
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
919
|
|
|
|
|
920
|
|
|
resp.status = falcon.HTTP_201 |
|
921
|
|
|
resp.location = '/energyflowdiagrams/' + str(id_) + 'links/' + str(new_id) |
|
922
|
|
|
|
|
923
|
|
|
|
|
924
|
|
|
class EnergyFlowDiagramLinkItem: |
|
925
|
|
|
def __init__(self): |
|
926
|
|
|
pass |
|
927
|
|
|
|
|
928
|
|
|
@staticmethod |
|
929
|
|
|
def on_options(req, resp, id_, lid): |
|
930
|
|
|
_ = req |
|
931
|
|
|
resp.status = falcon.HTTP_200 |
|
932
|
|
|
_ = id_ |
|
933
|
|
|
|
|
934
|
|
|
@staticmethod |
|
935
|
|
|
def on_get(req, resp, id_, lid): |
|
936
|
|
|
access_control(req) |
|
937
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
938
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
939
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
940
|
|
|
|
|
941
|
|
|
if not lid.isdigit() or int(lid) <= 0: |
|
942
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
943
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID') |
|
944
|
|
|
|
|
945
|
|
|
# Redis cache key |
|
946
|
|
|
cache_key = f'energyflowdiagram:link:{id_}:{lid}' |
|
947
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
948
|
|
|
|
|
949
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
950
|
|
|
redis_client = None |
|
951
|
|
|
if config.redis.get('is_enabled', False): |
|
952
|
|
|
try: |
|
953
|
|
|
redis_client = redis.Redis( |
|
954
|
|
|
host=config.redis['host'], |
|
955
|
|
|
port=config.redis['port'], |
|
956
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
957
|
|
|
db=config.redis['db'], |
|
958
|
|
|
decode_responses=True, |
|
959
|
|
|
socket_connect_timeout=2, |
|
960
|
|
|
socket_timeout=2 |
|
961
|
|
|
) |
|
962
|
|
|
redis_client.ping() |
|
963
|
|
|
cached_result = redis_client.get(cache_key) |
|
964
|
|
|
if cached_result: |
|
965
|
|
|
resp.text = cached_result |
|
966
|
|
|
return |
|
967
|
|
|
except Exception: |
|
968
|
|
|
# If Redis connection fails, continue to database query |
|
969
|
|
|
pass |
|
970
|
|
|
|
|
971
|
|
|
# Cache miss or Redis error - query database |
|
972
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
973
|
|
|
cursor = cnx.cursor() |
|
974
|
|
|
|
|
975
|
|
|
query = (" SELECT id, name " |
|
976
|
|
|
" FROM tbl_energy_flow_diagrams_nodes ") |
|
977
|
|
|
cursor.execute(query) |
|
978
|
|
|
rows_nodes = cursor.fetchall() |
|
979
|
|
|
|
|
980
|
|
|
node_dict = dict() |
|
981
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
982
|
|
|
for row in rows_nodes: |
|
983
|
|
|
node_dict[row[0]] = {"id": row[0], |
|
984
|
|
|
"name": row[1]} |
|
985
|
|
|
|
|
986
|
|
|
query = (" SELECT id, name, uuid " |
|
987
|
|
|
" FROM tbl_meters ") |
|
988
|
|
|
cursor.execute(query) |
|
989
|
|
|
rows_meters = cursor.fetchall() |
|
990
|
|
|
|
|
991
|
|
|
meter_dict = dict() |
|
992
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
993
|
|
|
for row in rows_meters: |
|
994
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
995
|
|
|
"id": row[0], |
|
996
|
|
|
"name": row[1], |
|
997
|
|
|
"uuid": row[2]} |
|
998
|
|
|
|
|
999
|
|
|
query = (" SELECT id, name, uuid " |
|
1000
|
|
|
" FROM tbl_offline_meters ") |
|
1001
|
|
|
cursor.execute(query) |
|
1002
|
|
|
rows_offline_meters = cursor.fetchall() |
|
1003
|
|
|
|
|
1004
|
|
|
offline_meter_dict = dict() |
|
1005
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
1006
|
|
|
for row in rows_offline_meters: |
|
1007
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
1008
|
|
|
"id": row[0], |
|
1009
|
|
|
"name": row[1], |
|
1010
|
|
|
"uuid": row[2]} |
|
1011
|
|
|
|
|
1012
|
|
|
query = (" SELECT id, name, uuid " |
|
1013
|
|
|
" FROM tbl_virtual_meters ") |
|
1014
|
|
|
cursor.execute(query) |
|
1015
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
1016
|
|
|
|
|
1017
|
|
|
virtual_meter_dict = dict() |
|
1018
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
1019
|
|
|
for row in rows_virtual_meters: |
|
1020
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
1021
|
|
|
"id": row[0], |
|
1022
|
|
|
"name": row[1], |
|
1023
|
|
|
"uuid": row[2]} |
|
1024
|
|
|
|
|
1025
|
|
|
query = (" SELECT id, source_node_id, target_node_id, meter_uuid " |
|
1026
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1027
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ") |
|
1028
|
|
|
cursor.execute(query, (id_, lid)) |
|
1029
|
|
|
row = cursor.fetchone() |
|
1030
|
|
|
cursor.close() |
|
1031
|
|
|
cnx.close() |
|
1032
|
|
|
|
|
1033
|
|
|
if row is None: |
|
1034
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
1035
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH') |
|
1036
|
|
|
else: |
|
1037
|
|
|
source_node = node_dict.get(row[1], None) |
|
1038
|
|
|
target_node = node_dict.get(row[2], None) |
|
1039
|
|
|
# find meter by uuid |
|
1040
|
|
|
meter = meter_dict.get(row[3], None) |
|
1041
|
|
|
if meter is None: |
|
1042
|
|
|
meter = virtual_meter_dict.get(row[3], None) |
|
1043
|
|
|
if meter is None: |
|
1044
|
|
|
meter = offline_meter_dict.get(row[3], None) |
|
1045
|
|
|
|
|
1046
|
|
|
meta_result = {"id": row[0], |
|
1047
|
|
|
"source_node": source_node, |
|
1048
|
|
|
"target_node": target_node, |
|
1049
|
|
|
"meter": meter} |
|
1050
|
|
|
|
|
1051
|
|
|
# Store result in Redis cache |
|
1052
|
|
|
result_json = json.dumps(meta_result) |
|
1053
|
|
|
if redis_client: |
|
1054
|
|
|
try: |
|
1055
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
1056
|
|
|
except Exception: |
|
1057
|
|
|
# If cache store fails, ignore and continue |
|
1058
|
|
|
pass |
|
1059
|
|
|
|
|
1060
|
|
|
resp.text = result_json |
|
1061
|
|
|
|
|
1062
|
|
|
@staticmethod |
|
1063
|
|
|
@user_logger |
|
1064
|
|
|
def on_delete(req, resp, id_, lid): |
|
1065
|
|
|
admin_control(req) |
|
1066
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1067
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1068
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1069
|
|
|
|
|
1070
|
|
|
if not lid.isdigit() or int(lid) <= 0: |
|
1071
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1072
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID') |
|
1073
|
|
|
|
|
1074
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1075
|
|
|
cursor = cnx.cursor() |
|
1076
|
|
|
|
|
1077
|
|
|
cursor.execute(" SELECT name " |
|
1078
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1079
|
|
|
" WHERE id = %s ", |
|
1080
|
|
|
(id_,)) |
|
1081
|
|
|
row = cursor.fetchone() |
|
1082
|
|
|
if row is None: |
|
1083
|
|
|
cursor.close() |
|
1084
|
|
|
cnx.close() |
|
1085
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1086
|
|
|
title='API.NOT_FOUND', |
|
1087
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1088
|
|
|
|
|
1089
|
|
|
cursor.execute(" SELECT id " |
|
1090
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1091
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ", |
|
1092
|
|
|
(id_, lid,)) |
|
1093
|
|
|
row = cursor.fetchone() |
|
1094
|
|
|
if row is None: |
|
1095
|
|
|
cursor.close() |
|
1096
|
|
|
cnx.close() |
|
1097
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1098
|
|
|
title='API.NOT_FOUND', |
|
1099
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH') |
|
1100
|
|
|
|
|
1101
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_links " |
|
1102
|
|
|
" WHERE id = %s ", (lid, )) |
|
1103
|
|
|
cnx.commit() |
|
1104
|
|
|
|
|
1105
|
|
|
cursor.close() |
|
1106
|
|
|
cnx.close() |
|
1107
|
|
|
|
|
1108
|
|
|
# Clear cache after deleting link |
|
1109
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
1110
|
|
|
|
|
1111
|
|
|
resp.status = falcon.HTTP_204 |
|
1112
|
|
|
|
|
1113
|
|
|
@staticmethod |
|
1114
|
|
|
@user_logger |
|
1115
|
|
|
def on_put(req, resp, id_, lid): |
|
1116
|
|
|
"""Handles PUT requests""" |
|
1117
|
|
|
admin_control(req) |
|
1118
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1119
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1120
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1121
|
|
|
|
|
1122
|
|
|
if not lid.isdigit() or int(lid) <= 0: |
|
1123
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1124
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_LINK_ID') |
|
1125
|
|
|
|
|
1126
|
|
|
try: |
|
1127
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
1128
|
|
|
except UnicodeDecodeError as ex: |
|
1129
|
|
|
print("Failed to decode request") |
|
1130
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1131
|
|
|
title='API.BAD_REQUEST', |
|
1132
|
|
|
description='API.INVALID_ENCODING') |
|
1133
|
|
|
except Exception as ex: |
|
1134
|
|
|
print("Unexpected error reading request stream") |
|
1135
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1136
|
|
|
title='API.BAD_REQUEST', |
|
1137
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
1138
|
|
|
|
|
1139
|
|
|
new_values = json.loads(raw_json) |
|
1140
|
|
|
|
|
1141
|
|
|
source_node_id = None |
|
1142
|
|
|
if 'source_node_id' in new_values['data'].keys(): |
|
1143
|
|
|
if new_values['data']['source_node_id'] is not None and \ |
|
1144
|
|
|
new_values['data']['source_node_id'] <= 0: |
|
1145
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1146
|
|
|
description='API.INVALID_SOURCE_NODE_ID') |
|
1147
|
|
|
source_node_id = new_values['data']['source_node_id'] |
|
1148
|
|
|
|
|
1149
|
|
|
target_node_id = None |
|
1150
|
|
|
if 'target_node_id' in new_values['data'].keys(): |
|
1151
|
|
|
if new_values['data']['target_node_id'] is not None and \ |
|
1152
|
|
|
new_values['data']['target_node_id'] <= 0: |
|
1153
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1154
|
|
|
description='API.INVALID_TARGET_NODE_ID') |
|
1155
|
|
|
target_node_id = new_values['data']['target_node_id'] |
|
1156
|
|
|
|
|
1157
|
|
|
meter_uuid = None |
|
1158
|
|
|
if 'meter_uuid' in new_values['data'].keys(): |
|
1159
|
|
|
if new_values['data']['meter_uuid'] is not None and \ |
|
1160
|
|
|
isinstance(new_values['data']['meter_uuid'], str) and \ |
|
1161
|
|
|
len(str.strip(new_values['data']['meter_uuid'])) > 0: |
|
1162
|
|
|
meter_uuid = str.strip(new_values['data']['meter_uuid']) |
|
1163
|
|
|
|
|
1164
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1165
|
|
|
cursor = cnx.cursor() |
|
1166
|
|
|
|
|
1167
|
|
|
cursor.execute(" SELECT name " |
|
1168
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1169
|
|
|
" WHERE id = %s ", (id_,)) |
|
1170
|
|
|
if cursor.fetchone() is None: |
|
1171
|
|
|
cursor.close() |
|
1172
|
|
|
cnx.close() |
|
1173
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
1174
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1175
|
|
|
|
|
1176
|
|
|
cursor.execute(" SELECT id " |
|
1177
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1178
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ", |
|
1179
|
|
|
(id_, lid,)) |
|
1180
|
|
|
row = cursor.fetchone() |
|
1181
|
|
|
if row is None: |
|
1182
|
|
|
cursor.close() |
|
1183
|
|
|
cnx.close() |
|
1184
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1185
|
|
|
title='API.NOT_FOUND', |
|
1186
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_NOT_FOUND_OR_NOT_MATCH') |
|
1187
|
|
|
|
|
1188
|
|
|
cursor.execute(" SELECT id " |
|
1189
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1190
|
|
|
" WHERE energy_flow_diagram_id = %s AND id != %s " |
|
1191
|
|
|
" AND source_node_id = %s AND target_node_id = %s ", |
|
1192
|
|
|
(id_, lid, source_node_id, target_node_id,)) |
|
1193
|
|
|
row = cursor.fetchone() |
|
1194
|
|
|
if row is not None: |
|
1195
|
|
|
cursor.close() |
|
1196
|
|
|
cnx.close() |
|
1197
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1198
|
|
|
title='API.NOT_FOUND', |
|
1199
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_IS_ALREADY_IN_USE') |
|
1200
|
|
|
|
|
1201
|
|
|
query = (" SELECT id, name " |
|
1202
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1203
|
|
|
" WHERE id = %s ") |
|
1204
|
|
|
cursor.execute(query, (source_node_id,)) |
|
1205
|
|
|
if cursor.fetchone() is None: |
|
1206
|
|
|
cursor.close() |
|
1207
|
|
|
cnx.close() |
|
1208
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1209
|
|
|
description='API.SOURCE_NODE_NOT_FOUND') |
|
1210
|
|
|
|
|
1211
|
|
|
query = (" SELECT id, name " |
|
1212
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1213
|
|
|
" WHERE id = %s ") |
|
1214
|
|
|
cursor.execute(query, (target_node_id,)) |
|
1215
|
|
|
if cursor.fetchone() is None: |
|
1216
|
|
|
cursor.close() |
|
1217
|
|
|
cnx.close() |
|
1218
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1219
|
|
|
description='API.TARGET_NODE_NOT_FOUND') |
|
1220
|
|
|
|
|
1221
|
|
|
query = (" SELECT id, name, uuid " |
|
1222
|
|
|
" FROM tbl_meters ") |
|
1223
|
|
|
cursor.execute(query) |
|
1224
|
|
|
rows_meters = cursor.fetchall() |
|
1225
|
|
|
|
|
1226
|
|
|
meter_dict = dict() |
|
1227
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
1228
|
|
|
for row in rows_meters: |
|
1229
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
1230
|
|
|
"id": row[0], |
|
1231
|
|
|
"name": row[1], |
|
1232
|
|
|
"uuid": row[2]} |
|
1233
|
|
|
|
|
1234
|
|
|
query = (" SELECT id, name, uuid " |
|
1235
|
|
|
" FROM tbl_offline_meters ") |
|
1236
|
|
|
cursor.execute(query) |
|
1237
|
|
|
rows_offline_meters = cursor.fetchall() |
|
1238
|
|
|
|
|
1239
|
|
|
offline_meter_dict = dict() |
|
1240
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
1241
|
|
|
for row in rows_offline_meters: |
|
1242
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
1243
|
|
|
"id": row[0], |
|
1244
|
|
|
"name": row[1], |
|
1245
|
|
|
"uuid": row[2]} |
|
1246
|
|
|
|
|
1247
|
|
|
query = (" SELECT id, name, uuid " |
|
1248
|
|
|
" FROM tbl_virtual_meters ") |
|
1249
|
|
|
cursor.execute(query) |
|
1250
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
1251
|
|
|
|
|
1252
|
|
|
virtual_meter_dict = dict() |
|
1253
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
1254
|
|
|
for row in rows_virtual_meters: |
|
1255
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
1256
|
|
|
"id": row[0], |
|
1257
|
|
|
"name": row[1], |
|
1258
|
|
|
"uuid": row[2]} |
|
1259
|
|
|
|
|
1260
|
|
|
# validate meter uuid |
|
1261
|
|
|
if meter_dict.get(meter_uuid) is None and \ |
|
1262
|
|
|
virtual_meter_dict.get(meter_uuid) is None and \ |
|
1263
|
|
|
offline_meter_dict.get(meter_uuid) is None: |
|
1264
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1265
|
|
|
description='API.INVALID_METER_UUID') |
|
1266
|
|
|
|
|
1267
|
|
|
add_values = (" UPDATE tbl_energy_flow_diagrams_links " |
|
1268
|
|
|
" SET source_node_id = %s, target_node_id = %s, meter_uuid = %s " |
|
1269
|
|
|
" WHERE id = %s ") |
|
1270
|
|
|
cursor.execute(add_values, (source_node_id, |
|
1271
|
|
|
target_node_id, |
|
1272
|
|
|
meter_uuid, |
|
1273
|
|
|
lid)) |
|
1274
|
|
|
cnx.commit() |
|
1275
|
|
|
|
|
1276
|
|
|
cursor.close() |
|
1277
|
|
|
cnx.close() |
|
1278
|
|
|
|
|
1279
|
|
|
# Clear cache after updating link |
|
1280
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
1281
|
|
|
|
|
1282
|
|
|
resp.status = falcon.HTTP_200 |
|
1283
|
|
|
|
|
1284
|
|
|
|
|
1285
|
|
|
class EnergyFlowDiagramNodeCollection: |
|
1286
|
|
|
def __init__(self): |
|
1287
|
|
|
pass |
|
1288
|
|
|
|
|
1289
|
|
|
@staticmethod |
|
1290
|
|
|
def on_options(req, resp, id_): |
|
1291
|
|
|
_ = req |
|
1292
|
|
|
resp.status = falcon.HTTP_200 |
|
1293
|
|
|
_ = id_ |
|
1294
|
|
|
|
|
1295
|
|
|
@staticmethod |
|
1296
|
|
|
def on_get(req, resp, id_): |
|
1297
|
|
|
if 'API-KEY' not in req.headers or \ |
|
1298
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
1299
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
1300
|
|
|
access_control(req) |
|
1301
|
|
|
else: |
|
1302
|
|
|
api_key_control(req) |
|
1303
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1304
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1305
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1306
|
|
|
|
|
1307
|
|
|
# Redis cache key |
|
1308
|
|
|
cache_key = f'energyflowdiagram:nodes:{id_}' |
|
1309
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
1310
|
|
|
|
|
1311
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
1312
|
|
|
redis_client = None |
|
1313
|
|
|
if config.redis.get('is_enabled', False): |
|
1314
|
|
|
try: |
|
1315
|
|
|
redis_client = redis.Redis( |
|
1316
|
|
|
host=config.redis['host'], |
|
1317
|
|
|
port=config.redis['port'], |
|
1318
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
1319
|
|
|
db=config.redis['db'], |
|
1320
|
|
|
decode_responses=True, |
|
1321
|
|
|
socket_connect_timeout=2, |
|
1322
|
|
|
socket_timeout=2 |
|
1323
|
|
|
) |
|
1324
|
|
|
redis_client.ping() |
|
1325
|
|
|
cached_result = redis_client.get(cache_key) |
|
1326
|
|
|
if cached_result: |
|
1327
|
|
|
resp.text = cached_result |
|
1328
|
|
|
return |
|
1329
|
|
|
except Exception: |
|
1330
|
|
|
# If Redis connection fails, continue to database query |
|
1331
|
|
|
pass |
|
1332
|
|
|
|
|
1333
|
|
|
# Cache miss or Redis error - query database |
|
1334
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1335
|
|
|
cursor = cnx.cursor() |
|
1336
|
|
|
|
|
1337
|
|
|
cursor.execute(" SELECT name " |
|
1338
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1339
|
|
|
" WHERE id = %s ", (id_,)) |
|
1340
|
|
|
if cursor.fetchone() is None: |
|
1341
|
|
|
cursor.close() |
|
1342
|
|
|
cnx.close() |
|
1343
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
1344
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1345
|
|
|
|
|
1346
|
|
|
query = (" SELECT id, name " |
|
1347
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1348
|
|
|
" WHERE energy_flow_diagram_id = %s " |
|
1349
|
|
|
" ORDER BY id ") |
|
1350
|
|
|
cursor.execute(query, (id_, )) |
|
1351
|
|
|
rows_nodes = cursor.fetchall() |
|
1352
|
|
|
|
|
1353
|
|
|
result = list() |
|
1354
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
1355
|
|
|
for row in rows_nodes: |
|
1356
|
|
|
meta_result = {"id": row[0], |
|
1357
|
|
|
"name": row[1]} |
|
1358
|
|
|
result.append(meta_result) |
|
1359
|
|
|
|
|
1360
|
|
|
cursor.close() |
|
1361
|
|
|
cnx.close() |
|
1362
|
|
|
|
|
1363
|
|
|
# Store result in Redis cache |
|
1364
|
|
|
result_json = json.dumps(result) |
|
1365
|
|
|
if redis_client: |
|
1366
|
|
|
try: |
|
1367
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
1368
|
|
|
except Exception: |
|
1369
|
|
|
# If cache store fails, ignore and continue |
|
1370
|
|
|
pass |
|
1371
|
|
|
|
|
1372
|
|
|
resp.text = result_json |
|
1373
|
|
|
|
|
1374
|
|
|
@staticmethod |
|
1375
|
|
|
@user_logger |
|
1376
|
|
|
def on_post(req, resp, id_): |
|
1377
|
|
|
"""Handles POST requests""" |
|
1378
|
|
|
admin_control(req) |
|
1379
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1380
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1381
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1382
|
|
|
try: |
|
1383
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
1384
|
|
|
except UnicodeDecodeError as ex: |
|
1385
|
|
|
print("Failed to decode request") |
|
1386
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1387
|
|
|
title='API.BAD_REQUEST', |
|
1388
|
|
|
description='API.INVALID_ENCODING') |
|
1389
|
|
|
except Exception as ex: |
|
1390
|
|
|
print("Unexpected error reading request stream") |
|
1391
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1392
|
|
|
title='API.BAD_REQUEST', |
|
1393
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
1394
|
|
|
|
|
1395
|
|
|
new_values = json.loads(raw_json) |
|
1396
|
|
|
|
|
1397
|
|
|
if 'name' not in new_values['data'].keys() or \ |
|
1398
|
|
|
not isinstance(new_values['data']['name'], str) or \ |
|
1399
|
|
|
len(str.strip(new_values['data']['name'])) == 0: |
|
1400
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1401
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_NAME') |
|
1402
|
|
|
name = str.strip(new_values['data']['name']) |
|
1403
|
|
|
|
|
1404
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1405
|
|
|
cursor = cnx.cursor() |
|
1406
|
|
|
|
|
1407
|
|
|
cursor.execute(" SELECT name " |
|
1408
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1409
|
|
|
" WHERE id = %s ", (id_,)) |
|
1410
|
|
|
if cursor.fetchone() is None: |
|
1411
|
|
|
cursor.close() |
|
1412
|
|
|
cnx.close() |
|
1413
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
1414
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1415
|
|
|
|
|
1416
|
|
|
cursor.execute(" SELECT name " |
|
1417
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1418
|
|
|
" WHERE name = %s AND energy_flow_diagram_id = %s ", (name, id_)) |
|
1419
|
|
|
if cursor.fetchone() is not None: |
|
1420
|
|
|
cursor.close() |
|
1421
|
|
|
cnx.close() |
|
1422
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1423
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE') |
|
1424
|
|
|
|
|
1425
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_nodes " |
|
1426
|
|
|
" (energy_flow_diagram_id, name) " |
|
1427
|
|
|
" VALUES (%s, %s) ") |
|
1428
|
|
|
cursor.execute(add_values, (id_, |
|
1429
|
|
|
name)) |
|
1430
|
|
|
new_id = cursor.lastrowid |
|
1431
|
|
|
cnx.commit() |
|
1432
|
|
|
cursor.close() |
|
1433
|
|
|
cnx.close() |
|
1434
|
|
|
|
|
1435
|
|
|
# Clear cache after creating new node |
|
1436
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
1437
|
|
|
|
|
1438
|
|
|
resp.status = falcon.HTTP_201 |
|
1439
|
|
|
resp.location = '/energyflowdiagrams/' + str(id_) + 'nodes/' + str(new_id) |
|
1440
|
|
|
|
|
1441
|
|
|
|
|
1442
|
|
|
class EnergyFlowDiagramNodeItem: |
|
1443
|
|
|
def __init__(self): |
|
1444
|
|
|
pass |
|
1445
|
|
|
|
|
1446
|
|
|
@staticmethod |
|
1447
|
|
|
def on_options(req, resp, id_, nid): |
|
1448
|
|
|
_ = req |
|
1449
|
|
|
resp.status = falcon.HTTP_200 |
|
1450
|
|
|
_ = id_ |
|
1451
|
|
|
|
|
1452
|
|
|
@staticmethod |
|
1453
|
|
|
def on_get(req, resp, id_, nid): |
|
1454
|
|
|
access_control(req) |
|
1455
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1456
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1457
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1458
|
|
|
|
|
1459
|
|
|
if not nid.isdigit() or int(nid) <= 0: |
|
1460
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1461
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID') |
|
1462
|
|
|
|
|
1463
|
|
|
# Redis cache key |
|
1464
|
|
|
cache_key = f'energyflowdiagram:node:{id_}:{nid}' |
|
1465
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
1466
|
|
|
|
|
1467
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
1468
|
|
|
redis_client = None |
|
1469
|
|
|
if config.redis.get('is_enabled', False): |
|
1470
|
|
|
try: |
|
1471
|
|
|
redis_client = redis.Redis( |
|
1472
|
|
|
host=config.redis['host'], |
|
1473
|
|
|
port=config.redis['port'], |
|
1474
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
1475
|
|
|
db=config.redis['db'], |
|
1476
|
|
|
decode_responses=True, |
|
1477
|
|
|
socket_connect_timeout=2, |
|
1478
|
|
|
socket_timeout=2 |
|
1479
|
|
|
) |
|
1480
|
|
|
redis_client.ping() |
|
1481
|
|
|
cached_result = redis_client.get(cache_key) |
|
1482
|
|
|
if cached_result: |
|
1483
|
|
|
resp.text = cached_result |
|
1484
|
|
|
return |
|
1485
|
|
|
except Exception: |
|
1486
|
|
|
# If Redis connection fails, continue to database query |
|
1487
|
|
|
pass |
|
1488
|
|
|
|
|
1489
|
|
|
# Cache miss or Redis error - query database |
|
1490
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1491
|
|
|
cursor = cnx.cursor() |
|
1492
|
|
|
|
|
1493
|
|
|
query = (" SELECT id, name " |
|
1494
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1495
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ") |
|
1496
|
|
|
cursor.execute(query, (id_, nid)) |
|
1497
|
|
|
row = cursor.fetchone() |
|
1498
|
|
|
cursor.close() |
|
1499
|
|
|
cnx.close() |
|
1500
|
|
|
|
|
1501
|
|
|
if row is None: |
|
1502
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
1503
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH') |
|
1504
|
|
|
else: |
|
1505
|
|
|
meta_result = {"id": row[0], |
|
1506
|
|
|
"name": row[1]} |
|
1507
|
|
|
|
|
1508
|
|
|
# Store result in Redis cache |
|
1509
|
|
|
result_json = json.dumps(meta_result) |
|
1510
|
|
|
if redis_client: |
|
1511
|
|
|
try: |
|
1512
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
1513
|
|
|
except Exception: |
|
1514
|
|
|
# If cache store fails, ignore and continue |
|
1515
|
|
|
pass |
|
1516
|
|
|
|
|
1517
|
|
|
resp.text = result_json |
|
1518
|
|
|
|
|
1519
|
|
|
@staticmethod |
|
1520
|
|
|
@user_logger |
|
1521
|
|
|
def on_delete(req, resp, id_, nid): |
|
1522
|
|
|
admin_control(req) |
|
1523
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1524
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1525
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1526
|
|
|
|
|
1527
|
|
|
if not nid.isdigit() or int(nid) <= 0: |
|
1528
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1529
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID') |
|
1530
|
|
|
|
|
1531
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1532
|
|
|
cursor = cnx.cursor() |
|
1533
|
|
|
|
|
1534
|
|
|
cursor.execute(" SELECT name " |
|
1535
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1536
|
|
|
" WHERE id = %s ", |
|
1537
|
|
|
(id_,)) |
|
1538
|
|
|
row = cursor.fetchone() |
|
1539
|
|
|
if row is None: |
|
1540
|
|
|
cursor.close() |
|
1541
|
|
|
cnx.close() |
|
1542
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1543
|
|
|
title='API.NOT_FOUND', |
|
1544
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1545
|
|
|
|
|
1546
|
|
|
cursor.execute(" SELECT name " |
|
1547
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1548
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ", |
|
1549
|
|
|
(id_, nid,)) |
|
1550
|
|
|
row = cursor.fetchone() |
|
1551
|
|
|
if row is None: |
|
1552
|
|
|
cursor.close() |
|
1553
|
|
|
cnx.close() |
|
1554
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1555
|
|
|
title='API.NOT_FOUND', |
|
1556
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH') |
|
1557
|
|
|
|
|
1558
|
|
|
# check relation with links |
|
1559
|
|
|
cursor.execute(" SELECT id " |
|
1560
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1561
|
|
|
" WHERE energy_flow_diagram_id = %s AND " |
|
1562
|
|
|
" (source_node_id = %s OR target_node_id = %s) ", (id_, nid, nid)) |
|
1563
|
|
|
rows_links = cursor.fetchall() |
|
1564
|
|
|
if rows_links is not None and len(rows_links) > 0: |
|
1565
|
|
|
cursor.close() |
|
1566
|
|
|
cnx.close() |
|
1567
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1568
|
|
|
title='API.BAD_REQUEST', |
|
1569
|
|
|
description='API.THERE_IS_RELATION_WITH_LINKS') |
|
1570
|
|
|
|
|
1571
|
|
|
cursor.execute(" DELETE FROM tbl_energy_flow_diagrams_nodes " |
|
1572
|
|
|
" WHERE id = %s ", (nid, )) |
|
1573
|
|
|
cnx.commit() |
|
1574
|
|
|
|
|
1575
|
|
|
cursor.close() |
|
1576
|
|
|
cnx.close() |
|
1577
|
|
|
|
|
1578
|
|
|
# Clear cache after deleting node |
|
1579
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
1580
|
|
|
|
|
1581
|
|
|
resp.status = falcon.HTTP_204 |
|
1582
|
|
|
|
|
1583
|
|
|
@staticmethod |
|
1584
|
|
|
@user_logger |
|
1585
|
|
|
def on_put(req, resp, id_, nid): |
|
1586
|
|
|
"""Handles PUT requests""" |
|
1587
|
|
|
admin_control(req) |
|
1588
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1589
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1590
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1591
|
|
|
|
|
1592
|
|
|
if not nid.isdigit() or int(nid) <= 0: |
|
1593
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1594
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_ID') |
|
1595
|
|
|
|
|
1596
|
|
|
try: |
|
1597
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
1598
|
|
|
except UnicodeDecodeError as ex: |
|
1599
|
|
|
print("Failed to decode request") |
|
1600
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1601
|
|
|
title='API.BAD_REQUEST', |
|
1602
|
|
|
description='API.INVALID_ENCODING') |
|
1603
|
|
|
except Exception as ex: |
|
1604
|
|
|
print("Unexpected error reading request stream") |
|
1605
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1606
|
|
|
title='API.BAD_REQUEST', |
|
1607
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
1608
|
|
|
|
|
1609
|
|
|
new_values = json.loads(raw_json) |
|
1610
|
|
|
|
|
1611
|
|
|
if 'name' not in new_values['data'].keys() or \ |
|
1612
|
|
|
not isinstance(new_values['data']['name'], str) or \ |
|
1613
|
|
|
len(str.strip(new_values['data']['name'])) == 0: |
|
1614
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1615
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_NAME') |
|
1616
|
|
|
name = str.strip(new_values['data']['name']) |
|
1617
|
|
|
|
|
1618
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1619
|
|
|
cursor = cnx.cursor() |
|
1620
|
|
|
|
|
1621
|
|
|
cursor.execute(" SELECT name " |
|
1622
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1623
|
|
|
" WHERE id = %s ", (id_,)) |
|
1624
|
|
|
if cursor.fetchone() is None: |
|
1625
|
|
|
cursor.close() |
|
1626
|
|
|
cnx.close() |
|
1627
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
1628
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1629
|
|
|
|
|
1630
|
|
|
cursor.execute(" SELECT name " |
|
1631
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1632
|
|
|
" WHERE energy_flow_diagram_id = %s AND id = %s ", |
|
1633
|
|
|
(id_, nid,)) |
|
1634
|
|
|
row = cursor.fetchone() |
|
1635
|
|
|
if row is None: |
|
1636
|
|
|
cursor.close() |
|
1637
|
|
|
cnx.close() |
|
1638
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1639
|
|
|
title='API.NOT_FOUND', |
|
1640
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NOT_FOUND_OR_NOT_MATCH') |
|
1641
|
|
|
|
|
1642
|
|
|
cursor.execute(" SELECT name " |
|
1643
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1644
|
|
|
" WHERE name = %s AND energy_flow_diagram_id = %s AND id != %s ", (name, id_, nid)) |
|
1645
|
|
|
row = cursor.fetchone() |
|
1646
|
|
|
if row is not None: |
|
1647
|
|
|
cursor.close() |
|
1648
|
|
|
cnx.close() |
|
1649
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1650
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NODE_NAME_IS_ALREADY_IN_USE') |
|
1651
|
|
|
|
|
1652
|
|
|
add_values = (" UPDATE tbl_energy_flow_diagrams_nodes " |
|
1653
|
|
|
" SET name = %s " |
|
1654
|
|
|
" WHERE id = %s ") |
|
1655
|
|
|
cursor.execute(add_values, (name, |
|
1656
|
|
|
nid)) |
|
1657
|
|
|
cnx.commit() |
|
1658
|
|
|
|
|
1659
|
|
|
cursor.close() |
|
1660
|
|
|
cnx.close() |
|
1661
|
|
|
|
|
1662
|
|
|
# Clear cache after updating node |
|
1663
|
|
|
clear_energy_flow_diagram_cache(diagram_id=id_) |
|
1664
|
|
|
|
|
1665
|
|
|
resp.status = falcon.HTTP_200 |
|
1666
|
|
|
|
|
1667
|
|
|
|
|
1668
|
|
|
class EnergyFlowDiagramExport: |
|
1669
|
|
|
def __init__(self): |
|
1670
|
|
|
pass |
|
1671
|
|
|
|
|
1672
|
|
|
@staticmethod |
|
1673
|
|
|
def on_options(req, resp, id_): |
|
1674
|
|
|
_ = req |
|
1675
|
|
|
resp.status = falcon.HTTP_200 |
|
1676
|
|
|
_ = id_ |
|
1677
|
|
|
|
|
1678
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
1679
|
|
|
def on_get(req, resp, id_): |
|
1680
|
|
|
if 'API-KEY' not in req.headers or \ |
|
1681
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
1682
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
1683
|
|
|
access_control(req) |
|
1684
|
|
|
else: |
|
1685
|
|
|
api_key_control(req) |
|
1686
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
1687
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1688
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
1689
|
|
|
|
|
1690
|
|
|
# Redis cache key |
|
1691
|
|
|
cache_key = f'energyflowdiagram:export:{id_}' |
|
1692
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
1693
|
|
|
|
|
1694
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
1695
|
|
|
redis_client = None |
|
1696
|
|
|
if config.redis.get('is_enabled', False): |
|
1697
|
|
|
try: |
|
1698
|
|
|
redis_client = redis.Redis( |
|
1699
|
|
|
host=config.redis['host'], |
|
1700
|
|
|
port=config.redis['port'], |
|
1701
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
1702
|
|
|
db=config.redis['db'], |
|
1703
|
|
|
decode_responses=True, |
|
1704
|
|
|
socket_connect_timeout=2, |
|
1705
|
|
|
socket_timeout=2 |
|
1706
|
|
|
) |
|
1707
|
|
|
redis_client.ping() |
|
1708
|
|
|
cached_result = redis_client.get(cache_key) |
|
1709
|
|
|
if cached_result: |
|
1710
|
|
|
resp.text = cached_result |
|
1711
|
|
|
return |
|
1712
|
|
|
except Exception: |
|
1713
|
|
|
# If Redis connection fails, continue to database query |
|
1714
|
|
|
pass |
|
1715
|
|
|
|
|
1716
|
|
|
# Cache miss or Redis error - query database |
|
1717
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1718
|
|
|
cursor = cnx.cursor() |
|
1719
|
|
|
|
|
1720
|
|
|
query = (" SELECT id, name, uuid " |
|
1721
|
|
|
" FROM tbl_meters ") |
|
1722
|
|
|
cursor.execute(query) |
|
1723
|
|
|
rows_meters = cursor.fetchall() |
|
1724
|
|
|
|
|
1725
|
|
|
meter_dict = dict() |
|
1726
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
1727
|
|
|
for row in rows_meters: |
|
1728
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
1729
|
|
|
"id": row[0], |
|
1730
|
|
|
"name": row[1], |
|
1731
|
|
|
"uuid": row[2]} |
|
1732
|
|
|
|
|
1733
|
|
|
query = (" SELECT id, name, uuid " |
|
1734
|
|
|
" FROM tbl_offline_meters ") |
|
1735
|
|
|
cursor.execute(query) |
|
1736
|
|
|
rows_offline_meters = cursor.fetchall() |
|
1737
|
|
|
|
|
1738
|
|
|
offline_meter_dict = dict() |
|
1739
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
1740
|
|
|
for row in rows_offline_meters: |
|
1741
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
1742
|
|
|
"id": row[0], |
|
1743
|
|
|
"name": row[1], |
|
1744
|
|
|
"uuid": row[2]} |
|
1745
|
|
|
|
|
1746
|
|
|
query = (" SELECT id, name, uuid " |
|
1747
|
|
|
" FROM tbl_virtual_meters ") |
|
1748
|
|
|
cursor.execute(query) |
|
1749
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
1750
|
|
|
|
|
1751
|
|
|
virtual_meter_dict = dict() |
|
1752
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
1753
|
|
|
for row in rows_virtual_meters: |
|
1754
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
1755
|
|
|
"id": row[0], |
|
1756
|
|
|
"name": row[1], |
|
1757
|
|
|
"uuid": row[2]} |
|
1758
|
|
|
|
|
1759
|
|
|
query = (" SELECT id, energy_flow_diagram_id, name " |
|
1760
|
|
|
" FROM tbl_energy_flow_diagrams_nodes") |
|
1761
|
|
|
cursor.execute(query) |
|
1762
|
|
|
rows_nodes = cursor.fetchall() |
|
1763
|
|
|
|
|
1764
|
|
|
node_dict = dict() |
|
1765
|
|
|
node_list_dict = dict() |
|
1766
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
1767
|
|
|
for row in rows_nodes: |
|
1768
|
|
|
node_dict[row[0]] = row[2] |
|
1769
|
|
|
if node_list_dict.get(row[1]) is None: |
|
1770
|
|
|
node_list_dict[row[1]] = list() |
|
1771
|
|
|
node_list_dict[row[1]].append({"id": row[0], "name": row[2]}) |
|
1772
|
|
|
|
|
1773
|
|
|
query = (" SELECT id, energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid " |
|
1774
|
|
|
" FROM tbl_energy_flow_diagrams_links") |
|
1775
|
|
|
cursor.execute(query) |
|
1776
|
|
|
rows_links = cursor.fetchall() |
|
1777
|
|
|
|
|
1778
|
|
|
link_list_dict = dict() |
|
1779
|
|
|
if rows_links is not None and len(rows_links) > 0: |
|
1780
|
|
|
for row in rows_links: |
|
1781
|
|
|
# find meter by uuid |
|
1782
|
|
|
meter = meter_dict.get(row[4], None) |
|
1783
|
|
|
if meter is None: |
|
1784
|
|
|
meter = virtual_meter_dict.get(row[4], None) |
|
1785
|
|
|
if meter is None: |
|
1786
|
|
|
meter = offline_meter_dict.get(row[4], None) |
|
1787
|
|
|
|
|
1788
|
|
|
if link_list_dict.get(row[1]) is None: |
|
1789
|
|
|
link_list_dict[row[1]] = list() |
|
1790
|
|
|
link_list_dict[row[1]].append({"id": row[0], |
|
1791
|
|
|
"source_node": { |
|
1792
|
|
|
"id": row[2], |
|
1793
|
|
|
"name": node_dict.get(row[2])}, |
|
1794
|
|
|
"target_node": { |
|
1795
|
|
|
"id": row[3], |
|
1796
|
|
|
"name": node_dict.get(row[3])}, |
|
1797
|
|
|
"meter": meter}) |
|
1798
|
|
|
|
|
1799
|
|
|
query = (" SELECT id, name, uuid " |
|
1800
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1801
|
|
|
" WHERE id = %s ") |
|
1802
|
|
|
cursor.execute(query, (id_,)) |
|
1803
|
|
|
row = cursor.fetchone() |
|
1804
|
|
|
cursor.close() |
|
1805
|
|
|
cnx.close() |
|
1806
|
|
|
|
|
1807
|
|
|
if row is None: |
|
1808
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
1809
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1810
|
|
|
else: |
|
1811
|
|
|
meta_result = {"id": row[0], |
|
1812
|
|
|
"name": row[1], |
|
1813
|
|
|
"uuid": row[2], |
|
1814
|
|
|
"nodes": node_list_dict.get(row[0], None), |
|
1815
|
|
|
"links": link_list_dict.get(row[0], None), |
|
1816
|
|
|
} |
|
1817
|
|
|
|
|
1818
|
|
|
# Store result in Redis cache |
|
1819
|
|
|
result_json = json.dumps(meta_result) |
|
1820
|
|
|
if redis_client: |
|
1821
|
|
|
try: |
|
1822
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
1823
|
|
|
except Exception: |
|
1824
|
|
|
# If cache store fails, ignore and continue |
|
1825
|
|
|
pass |
|
1826
|
|
|
|
|
1827
|
|
|
resp.text = result_json |
|
1828
|
|
|
|
|
1829
|
|
|
|
|
1830
|
|
|
class EnergyFlowDiagramImport: |
|
1831
|
|
|
def __init__(self): |
|
1832
|
|
|
pass |
|
1833
|
|
|
|
|
1834
|
|
|
@staticmethod |
|
1835
|
|
|
def on_options(req, resp): |
|
1836
|
|
|
_ = req |
|
1837
|
|
|
resp.status = falcon.HTTP_200 |
|
1838
|
|
|
|
|
1839
|
|
|
@staticmethod |
|
1840
|
|
|
@user_logger |
|
1841
|
|
|
def on_post(req, resp): |
|
1842
|
|
|
"""Handles POST requests""" |
|
1843
|
|
|
admin_control(req) |
|
1844
|
|
|
try: |
|
1845
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
1846
|
|
|
except UnicodeDecodeError as ex: |
|
1847
|
|
|
print("Failed to decode request") |
|
1848
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1849
|
|
|
title='API.BAD_REQUEST', |
|
1850
|
|
|
description='API.INVALID_ENCODING') |
|
1851
|
|
|
except Exception as ex: |
|
1852
|
|
|
print("Unexpected error reading request stream") |
|
1853
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1854
|
|
|
title='API.BAD_REQUEST', |
|
1855
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
1856
|
|
|
|
|
1857
|
|
|
new_values = json.loads(raw_json) |
|
1858
|
|
|
|
|
1859
|
|
|
if 'name' not in new_values.keys() or \ |
|
1860
|
|
|
not isinstance(new_values['name'], str) or \ |
|
1861
|
|
|
len(str.strip(new_values['name'])) == 0: |
|
1862
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1863
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NAME') |
|
1864
|
|
|
name = str.strip(new_values['name']) |
|
1865
|
|
|
|
|
1866
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
1867
|
|
|
cursor = cnx.cursor() |
|
1868
|
|
|
|
|
1869
|
|
|
cursor.execute(" SELECT name " |
|
1870
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1871
|
|
|
" WHERE name = %s ", (name,)) |
|
1872
|
|
|
if cursor.fetchone() is not None: |
|
1873
|
|
|
cursor.close() |
|
1874
|
|
|
cnx.close() |
|
1875
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1876
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE') |
|
1877
|
|
|
|
|
1878
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams " |
|
1879
|
|
|
" (name, uuid) " |
|
1880
|
|
|
" VALUES (%s, %s) ") |
|
1881
|
|
|
cursor.execute(add_values, (name, |
|
1882
|
|
|
str(uuid.uuid4()))) |
|
1883
|
|
|
new_id = cursor.lastrowid |
|
1884
|
|
|
for node in new_values['nodes']: |
|
1885
|
|
|
if 'name' not in node.keys() or \ |
|
1886
|
|
|
not isinstance(node['name'], str) or \ |
|
1887
|
|
|
len(str.strip(node['name'])) == 0: |
|
1888
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1889
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_NODE_NAME') |
|
1890
|
|
|
name = str.strip(node['name']) |
|
1891
|
|
|
|
|
1892
|
|
|
cursor.execute(" SELECT name " |
|
1893
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1894
|
|
|
" WHERE id = %s ", (new_id,)) |
|
1895
|
|
|
if cursor.fetchone() is None: |
|
1896
|
|
|
cursor.close() |
|
1897
|
|
|
cnx.close() |
|
1898
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
1899
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1900
|
|
|
|
|
1901
|
|
|
cursor.execute(" SELECT name " |
|
1902
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1903
|
|
|
" WHERE name = %s AND energy_flow_diagram_id = %s ", (name, new_id)) |
|
1904
|
|
|
if cursor.fetchone() is not None: |
|
1905
|
|
|
cursor.close() |
|
1906
|
|
|
cnx.close() |
|
1907
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1908
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NAME_IS_ALREADY_IN_USE') |
|
1909
|
|
|
|
|
1910
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_nodes " |
|
1911
|
|
|
" (energy_flow_diagram_id, name) " |
|
1912
|
|
|
" VALUES (%s, %s) ") |
|
1913
|
|
|
cursor.execute(add_values, (new_id, |
|
1914
|
|
|
name)) |
|
1915
|
|
|
for link in new_values['links']: |
|
1916
|
|
|
source_node_id = None |
|
1917
|
|
|
if 'id' in link['source_node'].keys(): |
|
1918
|
|
|
if link['source_node']['id'] is not None and \ |
|
1919
|
|
|
link['source_node']['id'] <= 0: |
|
1920
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1921
|
|
|
description='API.INVALID_SOURCE_NODE_ID') |
|
1922
|
|
|
source_node_id = link['source_node']['id'] |
|
1923
|
|
|
|
|
1924
|
|
|
target_node_id = None |
|
1925
|
|
|
if 'id' in link['target_node'].keys(): |
|
1926
|
|
|
if link['target_node']['id'] is not None and \ |
|
1927
|
|
|
link['target_node']['id'] <= 0: |
|
1928
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1929
|
|
|
description='API.INVALID_TARGET_NODE_ID') |
|
1930
|
|
|
target_node_id = link['target_node']['id'] |
|
1931
|
|
|
|
|
1932
|
|
|
meter_uuid = None |
|
1933
|
|
|
if 'uuid' in link['meter'].keys(): |
|
1934
|
|
|
if link['meter']['uuid'] is not None and \ |
|
1935
|
|
|
isinstance(link['meter']['uuid'], str) and \ |
|
1936
|
|
|
len(str.strip(link['meter']['uuid'])) > 0: |
|
1937
|
|
|
meter_uuid = str.strip(link['meter']['uuid']) |
|
1938
|
|
|
|
|
1939
|
|
|
cursor.execute(" SELECT name " |
|
1940
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
1941
|
|
|
" WHERE id = %s ", (new_id,)) |
|
1942
|
|
|
if cursor.fetchone() is None: |
|
1943
|
|
|
cursor.close() |
|
1944
|
|
|
cnx.close() |
|
1945
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
1946
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
1947
|
|
|
|
|
1948
|
|
|
cursor.execute(" SELECT id " |
|
1949
|
|
|
" FROM tbl_energy_flow_diagrams_links " |
|
1950
|
|
|
" WHERE energy_flow_diagram_id = %s AND " |
|
1951
|
|
|
" source_node_id = %s AND target_node_id = %s ", |
|
1952
|
|
|
(new_id, source_node_id, target_node_id,)) |
|
1953
|
|
|
row = cursor.fetchone() |
|
1954
|
|
|
if row is not None: |
|
1955
|
|
|
cursor.close() |
|
1956
|
|
|
cnx.close() |
|
1957
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
1958
|
|
|
title='API.NOT_FOUND', |
|
1959
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_LINK_IS_ALREADY_IN_USE') |
|
1960
|
|
|
|
|
1961
|
|
|
query = (" SELECT id, name " |
|
1962
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1963
|
|
|
" WHERE id = %s ") |
|
1964
|
|
|
cursor.execute(query, (source_node_id,)) |
|
1965
|
|
|
if cursor.fetchone() is None: |
|
1966
|
|
|
cursor.close() |
|
1967
|
|
|
cnx.close() |
|
1968
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1969
|
|
|
description='API.SOURCE_NODE_NOT_FOUND') |
|
1970
|
|
|
|
|
1971
|
|
|
query = (" SELECT id, name " |
|
1972
|
|
|
" FROM tbl_energy_flow_diagrams_nodes " |
|
1973
|
|
|
" WHERE id = %s ") |
|
1974
|
|
|
cursor.execute(query, (target_node_id,)) |
|
1975
|
|
|
if cursor.fetchone() is None: |
|
1976
|
|
|
cursor.close() |
|
1977
|
|
|
cnx.close() |
|
1978
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
1979
|
|
|
description='API.TARGET_NODE_NOT_FOUND') |
|
1980
|
|
|
|
|
1981
|
|
|
query = (" SELECT id, name, uuid " |
|
1982
|
|
|
" FROM tbl_meters ") |
|
1983
|
|
|
cursor.execute(query) |
|
1984
|
|
|
rows_meters = cursor.fetchall() |
|
1985
|
|
|
|
|
1986
|
|
|
meter_dict = dict() |
|
1987
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
1988
|
|
|
for row in rows_meters: |
|
1989
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
1990
|
|
|
"id": row[0], |
|
1991
|
|
|
"name": row[1], |
|
1992
|
|
|
"uuid": row[2]} |
|
1993
|
|
|
|
|
1994
|
|
|
query = (" SELECT id, name, uuid " |
|
1995
|
|
|
" FROM tbl_offline_meters ") |
|
1996
|
|
|
cursor.execute(query) |
|
1997
|
|
|
rows_offline_meters = cursor.fetchall() |
|
1998
|
|
|
|
|
1999
|
|
|
offline_meter_dict = dict() |
|
2000
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
2001
|
|
|
for row in rows_offline_meters: |
|
2002
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
2003
|
|
|
"id": row[0], |
|
2004
|
|
|
"name": row[1], |
|
2005
|
|
|
"uuid": row[2]} |
|
2006
|
|
|
|
|
2007
|
|
|
query = (" SELECT id, name, uuid " |
|
2008
|
|
|
" FROM tbl_virtual_meters ") |
|
2009
|
|
|
cursor.execute(query) |
|
2010
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
2011
|
|
|
|
|
2012
|
|
|
virtual_meter_dict = dict() |
|
2013
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
2014
|
|
|
for row in rows_virtual_meters: |
|
2015
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
2016
|
|
|
"id": row[0], |
|
2017
|
|
|
"name": row[1], |
|
2018
|
|
|
"uuid": row[2]} |
|
2019
|
|
|
|
|
2020
|
|
|
# validate meter uuid |
|
2021
|
|
|
if meter_dict.get(meter_uuid) is None and \ |
|
2022
|
|
|
virtual_meter_dict.get(meter_uuid) is None and \ |
|
2023
|
|
|
offline_meter_dict.get(meter_uuid) is None: |
|
2024
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
2025
|
|
|
description='API.INVALID_METER_UUID') |
|
2026
|
|
|
|
|
2027
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_links " |
|
2028
|
|
|
" (energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid) " |
|
2029
|
|
|
" VALUES (%s, %s, %s, %s) ") |
|
2030
|
|
|
cursor.execute(add_values, (new_id, |
|
2031
|
|
|
source_node_id, |
|
2032
|
|
|
target_node_id, |
|
2033
|
|
|
meter_uuid)) |
|
2034
|
|
|
cnx.commit() |
|
2035
|
|
|
cursor.close() |
|
2036
|
|
|
cnx.close() |
|
2037
|
|
|
|
|
2038
|
|
|
# Clear cache after importing diagram |
|
2039
|
|
|
clear_energy_flow_diagram_cache() |
|
2040
|
|
|
|
|
2041
|
|
|
resp.status = falcon.HTTP_201 |
|
2042
|
|
|
resp.location = '/energyflowdiagrams/' + str(new_id) |
|
2043
|
|
|
|
|
2044
|
|
|
|
|
2045
|
|
|
class EnergyFlowDiagramClone: |
|
2046
|
|
|
def __init__(self): |
|
2047
|
|
|
pass |
|
2048
|
|
|
|
|
2049
|
|
|
@staticmethod |
|
2050
|
|
|
def on_options(req, resp, id_): |
|
2051
|
|
|
_ = req |
|
2052
|
|
|
resp.status = falcon.HTTP_200 |
|
2053
|
|
|
_ = id_ |
|
2054
|
|
|
|
|
2055
|
|
|
@staticmethod |
|
2056
|
|
|
@user_logger |
|
2057
|
|
|
def on_post(req, resp, id_): |
|
2058
|
|
|
admin_control(req) |
|
2059
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
2060
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
2061
|
|
|
description='API.INVALID_ENERGY_FLOW_DIAGRAM_ID') |
|
2062
|
|
|
|
|
2063
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
2064
|
|
|
cursor = cnx.cursor() |
|
2065
|
|
|
|
|
2066
|
|
|
query = (" SELECT id, name, uuid " |
|
2067
|
|
|
" FROM tbl_meters ") |
|
2068
|
|
|
cursor.execute(query) |
|
2069
|
|
|
rows_meters = cursor.fetchall() |
|
2070
|
|
|
|
|
2071
|
|
|
meter_dict = dict() |
|
2072
|
|
|
if rows_meters is not None and len(rows_meters) > 0: |
|
2073
|
|
|
for row in rows_meters: |
|
2074
|
|
|
meter_dict[row[2]] = {"type": 'meter', |
|
2075
|
|
|
"id": row[0], |
|
2076
|
|
|
"name": row[1], |
|
2077
|
|
|
"uuid": row[2]} |
|
2078
|
|
|
|
|
2079
|
|
|
query = (" SELECT id, name, uuid " |
|
2080
|
|
|
" FROM tbl_offline_meters ") |
|
2081
|
|
|
cursor.execute(query) |
|
2082
|
|
|
rows_offline_meters = cursor.fetchall() |
|
2083
|
|
|
|
|
2084
|
|
|
offline_meter_dict = dict() |
|
2085
|
|
|
if rows_offline_meters is not None and len(rows_offline_meters) > 0: |
|
2086
|
|
|
for row in rows_offline_meters: |
|
2087
|
|
|
offline_meter_dict[row[2]] = {"type": 'offline_meter', |
|
2088
|
|
|
"id": row[0], |
|
2089
|
|
|
"name": row[1], |
|
2090
|
|
|
"uuid": row[2]} |
|
2091
|
|
|
|
|
2092
|
|
|
query = (" SELECT id, name, uuid " |
|
2093
|
|
|
" FROM tbl_virtual_meters ") |
|
2094
|
|
|
cursor.execute(query) |
|
2095
|
|
|
rows_virtual_meters = cursor.fetchall() |
|
2096
|
|
|
|
|
2097
|
|
|
virtual_meter_dict = dict() |
|
2098
|
|
|
if rows_virtual_meters is not None and len(rows_virtual_meters) > 0: |
|
2099
|
|
|
for row in rows_virtual_meters: |
|
2100
|
|
|
virtual_meter_dict[row[2]] = {"type": 'virtual_meter', |
|
2101
|
|
|
"id": row[0], |
|
2102
|
|
|
"name": row[1], |
|
2103
|
|
|
"uuid": row[2]} |
|
2104
|
|
|
|
|
2105
|
|
|
query = (" SELECT id, energy_flow_diagram_id, name " |
|
2106
|
|
|
" FROM tbl_energy_flow_diagrams_nodes") |
|
2107
|
|
|
cursor.execute(query) |
|
2108
|
|
|
rows_nodes = cursor.fetchall() |
|
2109
|
|
|
|
|
2110
|
|
|
node_dict = dict() |
|
2111
|
|
|
node_list_dict = dict() |
|
2112
|
|
|
if rows_nodes is not None and len(rows_nodes) > 0: |
|
2113
|
|
|
for row in rows_nodes: |
|
2114
|
|
|
node_dict[row[0]] = row[2] |
|
2115
|
|
|
if node_list_dict.get(row[1]) is None: |
|
2116
|
|
|
node_list_dict[row[1]] = list() |
|
2117
|
|
|
node_list_dict[row[1]].append({"id": row[0], "name": row[2]}) |
|
2118
|
|
|
|
|
2119
|
|
|
query = (" SELECT id, energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid " |
|
2120
|
|
|
" FROM tbl_energy_flow_diagrams_links") |
|
2121
|
|
|
cursor.execute(query) |
|
2122
|
|
|
rows_links = cursor.fetchall() |
|
2123
|
|
|
|
|
2124
|
|
|
link_list_dict = dict() |
|
2125
|
|
|
if rows_links is not None and len(rows_links) > 0: |
|
2126
|
|
|
for row in rows_links: |
|
2127
|
|
|
# find meter by uuid |
|
2128
|
|
|
meter = meter_dict.get(row[4], None) |
|
2129
|
|
|
if meter is None: |
|
2130
|
|
|
meter = virtual_meter_dict.get(row[4], None) |
|
2131
|
|
|
if meter is None: |
|
2132
|
|
|
meter = offline_meter_dict.get(row[4], None) |
|
2133
|
|
|
|
|
2134
|
|
|
if link_list_dict.get(row[1]) is None: |
|
2135
|
|
|
link_list_dict[row[1]] = list() |
|
2136
|
|
|
link_list_dict[row[1]].append({"id": row[0], |
|
2137
|
|
|
"source_node": { |
|
2138
|
|
|
"id": row[2], |
|
2139
|
|
|
"name": node_dict.get(row[2])}, |
|
2140
|
|
|
"target_node": { |
|
2141
|
|
|
"id": row[3], |
|
2142
|
|
|
"name": node_dict.get(row[3])}, |
|
2143
|
|
|
"meter": meter}) |
|
2144
|
|
|
|
|
2145
|
|
|
query = (" SELECT id, name, uuid " |
|
2146
|
|
|
" FROM tbl_energy_flow_diagrams " |
|
2147
|
|
|
" WHERE id = %s ") |
|
2148
|
|
|
cursor.execute(query, (id_,)) |
|
2149
|
|
|
row = cursor.fetchone() |
|
2150
|
|
|
|
|
2151
|
|
|
if row is None: |
|
2152
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
2153
|
|
|
description='API.ENERGY_FLOW_DIAGRAM_NOT_FOUND') |
|
2154
|
|
|
else: |
|
2155
|
|
|
meta_result = {"id": row[0], |
|
2156
|
|
|
"name": row[1], |
|
2157
|
|
|
"uuid": row[2], |
|
2158
|
|
|
"nodes": node_list_dict.get(row[0], None), |
|
2159
|
|
|
"links": link_list_dict.get(row[0], None), |
|
2160
|
|
|
} |
|
2161
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
2162
|
|
|
if config.utc_offset[0] == '-': |
|
2163
|
|
|
timezone_offset = -timezone_offset |
|
2164
|
|
|
new_name = (str.strip(meta_result['name']) + |
|
2165
|
|
|
(datetime.utcnow() + timedelta(minutes=timezone_offset)).isoformat(sep='-', timespec='seconds')) |
|
2166
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams " |
|
2167
|
|
|
" (name, uuid) " |
|
2168
|
|
|
" VALUES (%s, %s) ") |
|
2169
|
|
|
cursor.execute(add_values, (new_name, |
|
2170
|
|
|
str(uuid.uuid4()))) |
|
2171
|
|
|
new_id = cursor.lastrowid |
|
2172
|
|
|
if meta_result['nodes'] is not None and len(meta_result['nodes']) > 0: |
|
2173
|
|
|
for node in meta_result['nodes']: |
|
2174
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_nodes " |
|
2175
|
|
|
" (energy_flow_diagram_id, name) " |
|
2176
|
|
|
" VALUES (%s, %s) ") |
|
2177
|
|
|
cursor.execute(add_values, (new_id, |
|
2178
|
|
|
node['name'])) |
|
2179
|
|
|
if meta_result['links'] is not None and len(meta_result['links']) > 0: |
|
2180
|
|
|
for link in meta_result['links']: |
|
2181
|
|
|
if link['meter'] is None: |
|
2182
|
|
|
continue |
|
2183
|
|
|
add_values = (" INSERT INTO tbl_energy_flow_diagrams_links " |
|
2184
|
|
|
" (energy_flow_diagram_id, source_node_id, target_node_id, meter_uuid) " |
|
2185
|
|
|
" VALUES (%s, %s, %s, %s) ") |
|
2186
|
|
|
cursor.execute(add_values, (new_id, |
|
2187
|
|
|
link['source_node']['id'], |
|
2188
|
|
|
link['target_node']['id'], |
|
2189
|
|
|
link['meter']['uuid'])) |
|
2190
|
|
|
cnx.commit() |
|
2191
|
|
|
cursor.close() |
|
2192
|
|
|
cnx.close() |
|
2193
|
|
|
|
|
2194
|
|
|
# Clear cache after cloning diagram |
|
2195
|
|
|
clear_energy_flow_diagram_cache() |
|
2196
|
|
|
|
|
2197
|
|
|
resp.status = falcon.HTTP_201 |
|
2198
|
|
|
resp.location = '/energyflowdiagrams/' + str(new_id) |
|
2199
|
|
|
|
|
2200
|
|
|
|
MyEMS /
myems
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