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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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View Code Duplication |
def clear_sensor_cache(sensor_id=None): |
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""" |
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Clear sensor-related cache after data modification |
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Args: |
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sensor_id: Sensor ID (optional, for specific sensor 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 sensor list cache (all search query variations) |
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list_cache_key_pattern = 'sensor: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 sensor item cache if sensor_id is provided |
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if sensor_id: |
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item_cache_key = f'sensor:item:{sensor_id}' |
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redis_client.delete(item_cache_key) |
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point_cache_key = f'sensor:point:{sensor_id}' |
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redis_client.delete(point_cache_key) |
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export_cache_key = f'sensor:export:{sensor_id}' |
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redis_client.delete(export_cache_key) |
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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 SensorCollection: |
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""" |
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Sensor Collection Resource |
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This class handles CRUD operations for sensor collection. |
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It provides endpoints for listing all sensors and creating new sensors. |
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Sensors represent data collection devices in the energy management system. |
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""" |
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def __init__(self): |
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"""Initialize SensorCollection""" |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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"""Handle OPTIONS requests for CORS preflight""" |
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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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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'sensor: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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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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query = (" SELECT id, name, uuid, description " |
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" FROM tbl_sensors ") |
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params = [] |
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if search_query: |
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query += " WHERE name LIKE %s OR description LIKE %s " |
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params = [f'%{search_query}%', f'%{search_query}%'] |
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query += " ORDER BY id " |
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cursor.execute(query, params) |
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rows_sensors = cursor.fetchall() |
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result = list() |
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if rows_sensors is not None and len(rows_sensors) > 0: |
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for row in rows_sensors: |
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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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"description": row[3]} |
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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 set fails, ignore and continue |
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pass |
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resp.text = result_json |
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View Code Duplication |
@staticmethod |
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@user_logger |
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def on_post(req, resp): |
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"""Handles POST requests""" |
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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_SENSOR_NAME') |
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name = str.strip(new_values['data']['name']) |
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if 'description' in new_values['data'].keys() and \ |
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new_values['data']['description'] is not None and \ |
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len(str(new_values['data']['description'])) > 0: |
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description = str.strip(new_values['data']['description']) |
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else: |
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description = None |
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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT name " |
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" FROM tbl_sensors " |
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" WHERE name = %s ", (name,)) |
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if cursor.fetchone() is not None: |
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cursor.close() |
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cnx.close() |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.SENSOR_NAME_IS_ALREADY_IN_USE') |
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add_values = (" INSERT INTO tbl_sensors " |
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" (name, uuid, description) " |
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" VALUES (%s, %s, %s) ") |
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cursor.execute(add_values, (name, |
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str(uuid.uuid4()), |
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description)) |
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new_id = cursor.lastrowid |
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cnx.commit() |
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cursor.close() |
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cnx.close() |
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# Clear cache after creating new sensor |
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clear_sensor_cache() |
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resp.status = falcon.HTTP_201 |
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resp.location = '/sensors/' + str(new_id) |
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class SensorItem: |
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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, id_): |
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_ = req |
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resp.status = falcon.HTTP_200 |
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_ = id_ |
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@staticmethod |
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def on_get(req, resp, id_): |
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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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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_SENSOR_ID') |
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# Redis cache key |
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cache_key = f'sensor:item:{id_}' |
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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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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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query = (" SELECT id, name, uuid, description " |
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" FROM tbl_sensors " |
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" WHERE id = %s ") |
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cursor.execute(query, (id_,)) |
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row = cursor.fetchone() |
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cursor.close() |
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cnx.close() |
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if row is None: |
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raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.SENSOR_NOT_FOUND') |
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else: |
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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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"description": row[3]} |
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# Store result in Redis cache |
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result_json = json.dumps(meta_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 set 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_delete(req, resp, id_): |
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admin_control(req) |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_SENSOR_ID') |
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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT name " |
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" FROM tbl_sensors " |
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" WHERE id = %s ", (id_,)) |
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if cursor.fetchone() is None: |
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cursor.close() |
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cnx.close() |
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raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.SENSOR_NOT_FOUND') |
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# check relation with spaces |
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|
|
cursor.execute(" SELECT id " |
|
320
|
|
|
" FROM tbl_spaces_sensors " |
|
321
|
|
|
" WHERE sensor_id = %s ", (id_,)) |
|
322
|
|
|
rows_spaces = cursor.fetchall() |
|
323
|
|
|
if rows_spaces is not None and len(rows_spaces) > 0: |
|
324
|
|
|
cursor.close() |
|
325
|
|
|
cnx.close() |
|
326
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
327
|
|
|
title='API.BAD_REQUEST', |
|
328
|
|
|
description='API.THERE_IS_RELATION_WITH_SPACES') |
|
329
|
|
|
|
|
330
|
|
|
# check relation with tenants |
|
331
|
|
|
cursor.execute(" SELECT id " |
|
332
|
|
|
" FROM tbl_tenants_sensors " |
|
333
|
|
|
" WHERE sensor_id = %s ", (id_,)) |
|
334
|
|
|
rows_tenants = cursor.fetchall() |
|
335
|
|
|
if rows_tenants is not None and len(rows_tenants) > 0: |
|
336
|
|
|
cursor.close() |
|
337
|
|
|
cnx.close() |
|
338
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
339
|
|
|
title='API.BAD_REQUEST', |
|
340
|
|
|
description='API.THERE_IS_RELATION_WITH_TENANTS') |
|
341
|
|
|
|
|
342
|
|
|
# check relation with stores |
|
343
|
|
|
cursor.execute(" SELECT store_id " |
|
344
|
|
|
" FROM tbl_stores_sensors " |
|
345
|
|
|
" WHERE sensor_id = %s ", (id_,)) |
|
346
|
|
|
rows_stores = cursor.fetchall() |
|
347
|
|
|
if rows_stores is not None and len(rows_stores) > 0: |
|
348
|
|
|
cursor.close() |
|
349
|
|
|
cnx.close() |
|
350
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
351
|
|
|
title='API.BAD_REQUEST', |
|
352
|
|
|
description='API.THERE_IS_RELATION_WITH_STORES') |
|
353
|
|
|
|
|
354
|
|
|
# check relation with microgrid |
|
355
|
|
|
cursor.execute(" SELECT id " |
|
356
|
|
|
" FROM tbl_microgrids_sensors " |
|
357
|
|
|
" WHERE sensor_id = %s ", (id_,)) |
|
358
|
|
|
rows_microgrid = cursor.fetchall() |
|
359
|
|
|
if rows_microgrid is not None and len(rows_microgrid) > 0: |
|
360
|
|
|
cursor.close() |
|
361
|
|
|
cnx.close() |
|
362
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
363
|
|
|
title='API.BAD_REQUEST', |
|
364
|
|
|
description='API.THERE_IS_RELATION_WITH_MICROGRIDS') |
|
365
|
|
|
|
|
366
|
|
|
# check relation with shopfloors |
|
367
|
|
|
cursor.execute(" SELECT id " |
|
368
|
|
|
" FROM tbl_shopfloors_sensors " |
|
369
|
|
|
" WHERE sensor_id = %s ", (id_,)) |
|
370
|
|
|
rows_shopfloor = cursor.fetchall() |
|
371
|
|
|
if rows_shopfloor is not None and len(rows_shopfloor) > 0: |
|
372
|
|
|
cursor.close() |
|
373
|
|
|
cnx.close() |
|
374
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
375
|
|
|
title='API.BAD_REQUEST', |
|
376
|
|
|
description='API.THERE_IS_RELATION_WITH_SHOPFLOORS') |
|
377
|
|
|
|
|
378
|
|
|
# delete relation with points |
|
379
|
|
|
cursor.execute(" DELETE FROM tbl_sensors_points WHERE sensor_id = %s ", (id_,)) |
|
380
|
|
|
|
|
381
|
|
|
cursor.execute(" DELETE FROM tbl_sensors WHERE id = %s ", (id_,)) |
|
382
|
|
|
cnx.commit() |
|
383
|
|
|
|
|
384
|
|
|
cursor.close() |
|
385
|
|
|
cnx.close() |
|
386
|
|
|
|
|
387
|
|
|
# Clear cache after deleting sensor |
|
388
|
|
|
clear_sensor_cache(sensor_id=id_) |
|
389
|
|
|
|
|
390
|
|
|
resp.status = falcon.HTTP_204 |
|
391
|
|
|
|
|
392
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
393
|
|
|
@user_logger |
|
394
|
|
|
def on_put(req, resp, id_): |
|
395
|
|
|
"""Handles PUT requests""" |
|
396
|
|
|
admin_control(req) |
|
397
|
|
|
try: |
|
398
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
399
|
|
|
except UnicodeDecodeError as ex: |
|
400
|
|
|
print("Failed to decode request") |
|
401
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
402
|
|
|
title='API.BAD_REQUEST', |
|
403
|
|
|
description='API.INVALID_ENCODING') |
|
404
|
|
|
except Exception as ex: |
|
405
|
|
|
print("Unexpected error reading request stream") |
|
406
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
407
|
|
|
title='API.BAD_REQUEST', |
|
408
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
409
|
|
|
|
|
410
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
411
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
412
|
|
|
description='API.INVALID_SENSOR_ID') |
|
413
|
|
|
|
|
414
|
|
|
new_values = json.loads(raw_json) |
|
415
|
|
|
|
|
416
|
|
|
if 'name' not in new_values['data'].keys() or \ |
|
417
|
|
|
not isinstance(new_values['data']['name'], str) or \ |
|
418
|
|
|
len(str.strip(new_values['data']['name'])) == 0: |
|
419
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
420
|
|
|
description='API.INVALID_SENSOR_NAME') |
|
421
|
|
|
name = str.strip(new_values['data']['name']) |
|
422
|
|
|
|
|
423
|
|
|
if 'description' in new_values['data'].keys() and \ |
|
424
|
|
|
new_values['data']['description'] is not None and \ |
|
425
|
|
|
len(str(new_values['data']['description'])) > 0: |
|
426
|
|
|
description = str.strip(new_values['data']['description']) |
|
427
|
|
|
else: |
|
428
|
|
|
description = None |
|
429
|
|
|
|
|
430
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
431
|
|
|
cursor = cnx.cursor() |
|
432
|
|
|
|
|
433
|
|
|
cursor.execute(" SELECT name " |
|
434
|
|
|
" FROM tbl_sensors " |
|
435
|
|
|
" WHERE id = %s ", (id_,)) |
|
436
|
|
|
if cursor.fetchone() is None: |
|
437
|
|
|
cursor.close() |
|
438
|
|
|
cnx.close() |
|
439
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
440
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
441
|
|
|
|
|
442
|
|
|
cursor.execute(" SELECT name " |
|
443
|
|
|
" FROM tbl_sensors " |
|
444
|
|
|
" WHERE name = %s AND id != %s ", (name, id_)) |
|
445
|
|
|
if cursor.fetchone() is not None: |
|
446
|
|
|
cursor.close() |
|
447
|
|
|
cnx.close() |
|
448
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
449
|
|
|
description='API.SENSOR_NAME_IS_ALREADY_IN_USE') |
|
450
|
|
|
|
|
451
|
|
|
update_row = (" UPDATE tbl_sensors " |
|
452
|
|
|
" SET name = %s, description = %s " |
|
453
|
|
|
" WHERE id = %s ") |
|
454
|
|
|
cursor.execute(update_row, (name, |
|
455
|
|
|
description, |
|
456
|
|
|
id_,)) |
|
457
|
|
|
cnx.commit() |
|
458
|
|
|
|
|
459
|
|
|
cursor.close() |
|
460
|
|
|
cnx.close() |
|
461
|
|
|
|
|
462
|
|
|
# Clear cache after updating sensor |
|
463
|
|
|
clear_sensor_cache(sensor_id=id_) |
|
464
|
|
|
|
|
465
|
|
|
resp.status = falcon.HTTP_200 |
|
466
|
|
|
|
|
467
|
|
|
|
|
468
|
|
|
class SensorPointCollection: |
|
469
|
|
|
def __init__(self): |
|
470
|
|
|
pass |
|
471
|
|
|
|
|
472
|
|
|
@staticmethod |
|
473
|
|
|
def on_options(req, resp, id_): |
|
474
|
|
|
_ = req |
|
475
|
|
|
resp.status = falcon.HTTP_200 |
|
476
|
|
|
_ = id_ |
|
477
|
|
|
|
|
478
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
479
|
|
|
def on_get(req, resp, id_): |
|
480
|
|
|
if 'API-KEY' not in req.headers or \ |
|
481
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
482
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
483
|
|
|
access_control(req) |
|
484
|
|
|
else: |
|
485
|
|
|
api_key_control(req) |
|
486
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
487
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
488
|
|
|
description='API.INVALID_SENSOR_ID') |
|
489
|
|
|
|
|
490
|
|
|
# Redis cache key |
|
491
|
|
|
cache_key = f'sensor:point:{id_}' |
|
492
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
493
|
|
|
|
|
494
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
495
|
|
|
redis_client = None |
|
496
|
|
|
if config.redis.get('is_enabled', False): |
|
497
|
|
|
try: |
|
498
|
|
|
redis_client = redis.Redis( |
|
499
|
|
|
host=config.redis['host'], |
|
500
|
|
|
port=config.redis['port'], |
|
501
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
502
|
|
|
db=config.redis['db'], |
|
503
|
|
|
decode_responses=True, |
|
504
|
|
|
socket_connect_timeout=2, |
|
505
|
|
|
socket_timeout=2 |
|
506
|
|
|
) |
|
507
|
|
|
redis_client.ping() |
|
508
|
|
|
cached_result = redis_client.get(cache_key) |
|
509
|
|
|
if cached_result: |
|
510
|
|
|
resp.text = cached_result |
|
511
|
|
|
return |
|
512
|
|
|
except Exception: |
|
513
|
|
|
# If Redis connection fails, continue to database query |
|
514
|
|
|
pass |
|
515
|
|
|
|
|
516
|
|
|
# Cache miss or Redis error - query database |
|
517
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
518
|
|
|
cursor = cnx.cursor() |
|
519
|
|
|
|
|
520
|
|
|
cursor.execute(" SELECT name " |
|
521
|
|
|
" FROM tbl_sensors " |
|
522
|
|
|
" WHERE id = %s ", (id_,)) |
|
523
|
|
|
if cursor.fetchone() is None: |
|
524
|
|
|
cursor.close() |
|
525
|
|
|
cnx.close() |
|
526
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
527
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
528
|
|
|
|
|
529
|
|
|
query = (" SELECT p.id, p.name, " |
|
530
|
|
|
" ds.id, ds.name, ds.uuid, " |
|
531
|
|
|
" p.address " |
|
532
|
|
|
" FROM tbl_points p, tbl_sensors_points sp, tbl_data_sources ds " |
|
533
|
|
|
" WHERE sp.sensor_id = %s AND p.id = sp.point_id AND p.data_source_id = ds.id " |
|
534
|
|
|
" ORDER BY p.name ") |
|
535
|
|
|
cursor.execute(query, (id_,)) |
|
536
|
|
|
rows = cursor.fetchall() |
|
537
|
|
|
|
|
538
|
|
|
result = list() |
|
539
|
|
|
if rows is not None and len(rows) > 0: |
|
540
|
|
|
for row in rows: |
|
541
|
|
|
meta_result = {"id": row[0], "name": row[1], |
|
542
|
|
|
"data_source": {"id": row[2], "name": row[3], "uuid": row[4]}, |
|
543
|
|
|
"address": row[5]} |
|
544
|
|
|
result.append(meta_result) |
|
545
|
|
|
|
|
546
|
|
|
cursor.close() |
|
547
|
|
|
cnx.close() |
|
548
|
|
|
|
|
549
|
|
|
# Store result in Redis cache |
|
550
|
|
|
result_json = json.dumps(result) |
|
551
|
|
|
if redis_client: |
|
552
|
|
|
try: |
|
553
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
554
|
|
|
except Exception: |
|
555
|
|
|
# If cache set fails, ignore and continue |
|
556
|
|
|
pass |
|
557
|
|
|
|
|
558
|
|
|
resp.text = result_json |
|
559
|
|
|
|
|
560
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
561
|
|
|
@user_logger |
|
562
|
|
|
def on_post(req, resp, id_): |
|
563
|
|
|
"""Handles POST requests""" |
|
564
|
|
|
admin_control(req) |
|
565
|
|
|
try: |
|
566
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
567
|
|
|
except UnicodeDecodeError as ex: |
|
568
|
|
|
print("Failed to decode request") |
|
569
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
570
|
|
|
title='API.BAD_REQUEST', |
|
571
|
|
|
description='API.INVALID_ENCODING') |
|
572
|
|
|
except Exception as ex: |
|
573
|
|
|
print("Unexpected error reading request stream") |
|
574
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
575
|
|
|
title='API.BAD_REQUEST', |
|
576
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
577
|
|
|
|
|
578
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
579
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
580
|
|
|
description='API.INVALID_SENSOR_ID') |
|
581
|
|
|
|
|
582
|
|
|
new_values = json.loads(raw_json) |
|
583
|
|
|
|
|
584
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
585
|
|
|
cursor = cnx.cursor() |
|
586
|
|
|
|
|
587
|
|
|
cursor.execute(" SELECT name " |
|
588
|
|
|
" from tbl_sensors " |
|
589
|
|
|
" WHERE id = %s ", (id_,)) |
|
590
|
|
|
if cursor.fetchone() is None: |
|
591
|
|
|
cursor.close() |
|
592
|
|
|
cnx.close() |
|
593
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
594
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
595
|
|
|
|
|
596
|
|
|
cursor.execute(" SELECT name " |
|
597
|
|
|
" FROM tbl_points " |
|
598
|
|
|
" WHERE id = %s ", (new_values['data']['point_id'],)) |
|
599
|
|
|
if cursor.fetchone() is None: |
|
600
|
|
|
cursor.close() |
|
601
|
|
|
cnx.close() |
|
602
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
603
|
|
|
description='API.POINT_NOT_FOUND') |
|
604
|
|
|
|
|
605
|
|
|
query = (" SELECT id " |
|
606
|
|
|
" FROM tbl_sensors_points " |
|
607
|
|
|
" WHERE sensor_id = %s AND point_id = %s") |
|
608
|
|
|
cursor.execute(query, (id_, new_values['data']['point_id'],)) |
|
609
|
|
|
if cursor.fetchone() is not None: |
|
610
|
|
|
cursor.close() |
|
611
|
|
|
cnx.close() |
|
612
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR', |
|
613
|
|
|
description='API.SENSOR_POINT_RELATION_EXISTS') |
|
614
|
|
|
|
|
615
|
|
|
add_row = (" INSERT INTO tbl_sensors_points (sensor_id, point_id) " |
|
616
|
|
|
" VALUES (%s, %s) ") |
|
617
|
|
|
cursor.execute(add_row, (id_, new_values['data']['point_id'],)) |
|
618
|
|
|
cnx.commit() |
|
619
|
|
|
cursor.close() |
|
620
|
|
|
cnx.close() |
|
621
|
|
|
|
|
622
|
|
|
# Clear cache after adding sensor point |
|
623
|
|
|
clear_sensor_cache(sensor_id=id_) |
|
624
|
|
|
|
|
625
|
|
|
resp.status = falcon.HTTP_201 |
|
626
|
|
|
resp.location = '/sensors/' + str(id_) + '/points/' + str(new_values['data']['point_id']) |
|
627
|
|
|
|
|
628
|
|
|
|
|
629
|
|
|
class SensorPointItem: |
|
630
|
|
|
def __init__(self): |
|
631
|
|
|
pass |
|
632
|
|
|
|
|
633
|
|
|
@staticmethod |
|
634
|
|
|
def on_options(req, resp, id_, pid): |
|
635
|
|
|
_ = req |
|
636
|
|
|
resp.status = falcon.HTTP_200 |
|
637
|
|
|
_ = id_ |
|
638
|
|
|
|
|
639
|
|
|
@staticmethod |
|
640
|
|
|
@user_logger |
|
641
|
|
|
def on_delete(req, resp, id_, pid): |
|
642
|
|
|
admin_control(req) |
|
643
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
644
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
645
|
|
|
description='API.INVALID_SENSOR_ID') |
|
646
|
|
|
|
|
647
|
|
|
if not pid.isdigit() or int(pid) <= 0: |
|
648
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
649
|
|
|
description='API.INVALID_POINT_ID') |
|
650
|
|
|
|
|
651
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
652
|
|
|
cursor = cnx.cursor() |
|
653
|
|
|
|
|
654
|
|
|
cursor.execute(" SELECT name " |
|
655
|
|
|
" FROM tbl_sensors " |
|
656
|
|
|
" WHERE id = %s ", (id_,)) |
|
657
|
|
|
if cursor.fetchone() is None: |
|
658
|
|
|
cursor.close() |
|
659
|
|
|
cnx.close() |
|
660
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
661
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
662
|
|
|
|
|
663
|
|
|
cursor.execute(" SELECT name " |
|
664
|
|
|
" FROM tbl_points " |
|
665
|
|
|
" WHERE id = %s ", (pid,)) |
|
666
|
|
|
if cursor.fetchone() is None: |
|
667
|
|
|
cursor.close() |
|
668
|
|
|
cnx.close() |
|
669
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
670
|
|
|
description='API.POINT_NOT_FOUND') |
|
671
|
|
|
|
|
672
|
|
|
cursor.execute(" SELECT id " |
|
673
|
|
|
" FROM tbl_sensors_points " |
|
674
|
|
|
" WHERE sensor_id = %s AND point_id = %s ", (id_, pid)) |
|
675
|
|
|
if cursor.fetchone() is None: |
|
676
|
|
|
cursor.close() |
|
677
|
|
|
cnx.close() |
|
678
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
679
|
|
|
description='API.SENSOR_POINT_RELATION_NOT_FOUND') |
|
680
|
|
|
|
|
681
|
|
|
cursor.execute(" DELETE FROM tbl_sensors_points WHERE sensor_id = %s AND point_id = %s ", (id_, pid)) |
|
682
|
|
|
cnx.commit() |
|
683
|
|
|
|
|
684
|
|
|
cursor.close() |
|
685
|
|
|
cnx.close() |
|
686
|
|
|
|
|
687
|
|
|
# Clear cache after deleting sensor point |
|
688
|
|
|
clear_sensor_cache(sensor_id=id_) |
|
689
|
|
|
|
|
690
|
|
|
resp.status = falcon.HTTP_204 |
|
691
|
|
|
|
|
692
|
|
|
|
|
693
|
|
|
class SensorExport: |
|
694
|
|
|
def __init__(self): |
|
695
|
|
|
pass |
|
696
|
|
|
|
|
697
|
|
|
@staticmethod |
|
698
|
|
|
def on_options(req, resp, id_): |
|
699
|
|
|
_ = req |
|
700
|
|
|
resp.status = falcon.HTTP_200 |
|
701
|
|
|
_ = id_ |
|
702
|
|
|
|
|
703
|
|
|
@staticmethod |
|
704
|
|
|
def on_get(req, resp, id_): |
|
705
|
|
|
if 'API-KEY' not in req.headers or \ |
|
706
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
707
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
708
|
|
|
access_control(req) |
|
709
|
|
|
else: |
|
710
|
|
|
api_key_control(req) |
|
711
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
712
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
713
|
|
|
description='API.INVALID_SENSOR_ID') |
|
714
|
|
|
|
|
715
|
|
|
# Redis cache key |
|
716
|
|
|
cache_key = f'sensor:export:{id_}' |
|
717
|
|
|
cache_expire = 28800 # 8 hours in seconds (long-term cache) |
|
718
|
|
|
|
|
719
|
|
|
# Try to get from Redis cache (only if Redis is enabled) |
|
720
|
|
|
redis_client = None |
|
721
|
|
|
if config.redis.get('is_enabled', False): |
|
722
|
|
|
try: |
|
723
|
|
|
redis_client = redis.Redis( |
|
724
|
|
|
host=config.redis['host'], |
|
725
|
|
|
port=config.redis['port'], |
|
726
|
|
|
password=config.redis['password'] if config.redis['password'] else None, |
|
727
|
|
|
db=config.redis['db'], |
|
728
|
|
|
decode_responses=True, |
|
729
|
|
|
socket_connect_timeout=2, |
|
730
|
|
|
socket_timeout=2 |
|
731
|
|
|
) |
|
732
|
|
|
redis_client.ping() |
|
733
|
|
|
cached_result = redis_client.get(cache_key) |
|
734
|
|
|
if cached_result: |
|
735
|
|
|
resp.text = cached_result |
|
736
|
|
|
return |
|
737
|
|
|
except Exception: |
|
738
|
|
|
# If Redis connection fails, continue to database query |
|
739
|
|
|
pass |
|
740
|
|
|
|
|
741
|
|
|
# Cache miss or Redis error - query database |
|
742
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
743
|
|
|
cursor = cnx.cursor() |
|
744
|
|
|
|
|
745
|
|
|
query = (" SELECT id, name, uuid, description " |
|
746
|
|
|
" FROM tbl_sensors " |
|
747
|
|
|
" WHERE id = %s ") |
|
748
|
|
|
cursor.execute(query, (id_,)) |
|
749
|
|
|
row = cursor.fetchone() |
|
750
|
|
|
|
|
751
|
|
View Code Duplication |
if row is None: |
|
|
|
|
|
|
752
|
|
|
cursor.close() |
|
753
|
|
|
cnx.close() |
|
754
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
755
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
756
|
|
|
else: |
|
757
|
|
|
meta_result = {"id": row[0], |
|
758
|
|
|
"name": row[1], |
|
759
|
|
|
"uuid": row[2], |
|
760
|
|
|
"description": row[3], |
|
761
|
|
|
"points": None} |
|
762
|
|
|
query = (" SELECT p.id, p.name " |
|
763
|
|
|
" FROM tbl_points p, tbl_sensors_points sp " |
|
764
|
|
|
" WHERE sp.sensor_id = %s AND p.id = sp.point_id " |
|
765
|
|
|
" ORDER BY p.id ") |
|
766
|
|
|
cursor.execute(query, (id_,)) |
|
767
|
|
|
rows = cursor.fetchall() |
|
768
|
|
|
result = list() |
|
769
|
|
|
if rows is not None and len(rows) > 0: |
|
770
|
|
|
for row in rows: |
|
771
|
|
|
point_result = {"id": row[0], "name": row[1]} |
|
772
|
|
|
result.append(point_result) |
|
773
|
|
|
meta_result['points'] = result |
|
774
|
|
|
cursor.close() |
|
775
|
|
|
cnx.close() |
|
776
|
|
|
|
|
777
|
|
|
# Store result in Redis cache |
|
778
|
|
|
result_json = json.dumps(meta_result) |
|
779
|
|
|
if redis_client: |
|
780
|
|
|
try: |
|
781
|
|
|
redis_client.setex(cache_key, cache_expire, result_json) |
|
782
|
|
|
except Exception: |
|
783
|
|
|
# If cache set fails, ignore and continue |
|
784
|
|
|
pass |
|
785
|
|
|
|
|
786
|
|
|
resp.text = result_json |
|
787
|
|
|
|
|
788
|
|
|
|
|
789
|
|
|
class SensorImport: |
|
790
|
|
|
def __init__(self): |
|
791
|
|
|
pass |
|
792
|
|
|
|
|
793
|
|
|
@staticmethod |
|
794
|
|
|
def on_options(req, resp): |
|
795
|
|
|
_ = req |
|
796
|
|
|
resp.status = falcon.HTTP_200 |
|
797
|
|
|
|
|
798
|
|
|
@staticmethod |
|
799
|
|
|
@user_logger |
|
800
|
|
|
def on_post(req, resp): |
|
801
|
|
|
"""Handles POST requests""" |
|
802
|
|
|
admin_control(req) |
|
803
|
|
|
try: |
|
804
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
805
|
|
|
except UnicodeDecodeError as ex: |
|
806
|
|
|
print("Failed to decode request") |
|
807
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
808
|
|
|
title='API.BAD_REQUEST', |
|
809
|
|
|
description='API.INVALID_ENCODING') |
|
810
|
|
|
except Exception as ex: |
|
811
|
|
|
print("Unexpected error reading request stream") |
|
812
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
813
|
|
|
title='API.BAD_REQUEST', |
|
814
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
815
|
|
|
|
|
816
|
|
|
new_values = json.loads(raw_json) |
|
817
|
|
|
|
|
818
|
|
|
if 'name' not in new_values.keys() or \ |
|
819
|
|
|
not isinstance(new_values['name'], str) or \ |
|
820
|
|
|
len(str.strip(new_values['name'])) == 0: |
|
821
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
822
|
|
|
description='API.INVALID_SENSOR_NAME') |
|
823
|
|
|
name = str.strip(new_values['name']) |
|
824
|
|
|
|
|
825
|
|
|
if 'description' in new_values.keys() and \ |
|
826
|
|
|
new_values['description'] is not None and \ |
|
827
|
|
|
len(str(new_values['description'])) > 0: |
|
828
|
|
|
description = str.strip(new_values['description']) |
|
829
|
|
|
else: |
|
830
|
|
|
description = None |
|
831
|
|
|
|
|
832
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
833
|
|
|
cursor = cnx.cursor() |
|
834
|
|
|
|
|
835
|
|
|
cursor.execute(" SELECT name " |
|
836
|
|
|
" FROM tbl_sensors " |
|
837
|
|
|
" WHERE name = %s ", (name,)) |
|
838
|
|
|
if cursor.fetchone() is not None: |
|
839
|
|
|
cursor.close() |
|
840
|
|
|
cnx.close() |
|
841
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
842
|
|
|
description='API.SENSOR_NAME_IS_ALREADY_IN_USE') |
|
843
|
|
|
|
|
844
|
|
|
add_values = (" INSERT INTO tbl_sensors " |
|
845
|
|
|
" (name, uuid, description) " |
|
846
|
|
|
" VALUES (%s, %s, %s) ") |
|
847
|
|
|
cursor.execute(add_values, (name, |
|
848
|
|
|
str(uuid.uuid4()), |
|
849
|
|
|
description)) |
|
850
|
|
|
new_id = cursor.lastrowid |
|
851
|
|
|
if 'points' in new_values.keys() and \ |
|
852
|
|
|
new_values['points'] is not None and \ |
|
853
|
|
|
len(new_values['points']) > 0: |
|
854
|
|
|
for point in new_values['points']: |
|
855
|
|
|
if 'id' in point and isinstance(point['id'], int): |
|
856
|
|
|
cursor.execute(" SELECT name " |
|
857
|
|
|
" FROM tbl_points " |
|
858
|
|
|
" WHERE id = %s ", (point['id'],)) |
|
859
|
|
|
if cursor.fetchone() is None: |
|
860
|
|
|
cursor.close() |
|
861
|
|
|
cnx.close() |
|
862
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
863
|
|
|
description='API.POINT_NOT_FOUND') |
|
864
|
|
|
|
|
865
|
|
|
add_row = (" INSERT INTO tbl_sensors_points (sensor_id, point_id) " |
|
866
|
|
|
" VALUES (%s, %s) ") |
|
867
|
|
|
cursor.execute(add_row, (new_id, point['id'],)) |
|
868
|
|
|
else: |
|
869
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.NOT_FOUND', |
|
870
|
|
|
description='API.INVALID_POINT_ID') |
|
871
|
|
|
cnx.commit() |
|
872
|
|
|
cursor.close() |
|
873
|
|
|
cnx.close() |
|
874
|
|
|
|
|
875
|
|
|
# Clear cache after importing sensor |
|
876
|
|
|
clear_sensor_cache() |
|
877
|
|
|
|
|
878
|
|
|
resp.status = falcon.HTTP_201 |
|
879
|
|
|
resp.location = '/sensors/' + str(new_id) |
|
880
|
|
|
|
|
881
|
|
|
|
|
882
|
|
|
class SensorClone: |
|
883
|
|
|
|
|
884
|
|
|
def __init__(self): |
|
885
|
|
|
pass |
|
886
|
|
|
|
|
887
|
|
|
@staticmethod |
|
888
|
|
|
def on_options(req, resp, id_): |
|
889
|
|
|
_ = req |
|
890
|
|
|
resp.status = falcon.HTTP_200 |
|
891
|
|
|
_ = id_ |
|
892
|
|
|
|
|
893
|
|
|
@staticmethod |
|
894
|
|
|
@user_logger |
|
895
|
|
|
def on_post(req, resp, id_): |
|
896
|
|
|
admin_control(req) |
|
897
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
898
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
899
|
|
|
description='API.INVALID_SENSOR_ID') |
|
900
|
|
|
|
|
901
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
902
|
|
|
cursor = cnx.cursor() |
|
903
|
|
|
|
|
904
|
|
|
query = (" SELECT id, name, uuid, description " |
|
905
|
|
|
" FROM tbl_sensors " |
|
906
|
|
|
" WHERE id = %s ") |
|
907
|
|
|
cursor.execute(query, (id_,)) |
|
908
|
|
|
row = cursor.fetchone() |
|
909
|
|
View Code Duplication |
if row is None: |
|
|
|
|
|
|
910
|
|
|
cursor.close() |
|
911
|
|
|
cnx.close() |
|
912
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
913
|
|
|
description='API.SENSOR_NOT_FOUND') |
|
914
|
|
|
else: |
|
915
|
|
|
meta_result = {"id": row[0], |
|
916
|
|
|
"name": row[1], |
|
917
|
|
|
"uuid": row[2], |
|
918
|
|
|
"description": row[3], |
|
919
|
|
|
"points": None} |
|
920
|
|
|
|
|
921
|
|
|
query = (" SELECT p.id, p.name " |
|
922
|
|
|
" FROM tbl_points p, tbl_sensors_points sp " |
|
923
|
|
|
" WHERE sp.sensor_id = %s AND p.id = sp.point_id " |
|
924
|
|
|
" ORDER BY p.id ") |
|
925
|
|
|
cursor.execute(query, (id_,)) |
|
926
|
|
|
rows = cursor.fetchall() |
|
927
|
|
|
result = list() |
|
928
|
|
|
if rows is not None and len(rows) > 0: |
|
929
|
|
|
for row in rows: |
|
930
|
|
|
point_result = {"id": row[0], "name": row[1]} |
|
931
|
|
|
result.append(point_result) |
|
932
|
|
|
meta_result['points'] = result |
|
933
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
934
|
|
|
if config.utc_offset[0] == '-': |
|
935
|
|
|
timezone_offset = -timezone_offset |
|
936
|
|
|
new_name = (str.strip(meta_result['name']) + |
|
937
|
|
|
(datetime.utcnow() + timedelta(minutes=timezone_offset)).isoformat(sep='-', timespec='seconds')) |
|
938
|
|
|
|
|
939
|
|
|
add_values = (" INSERT INTO tbl_sensors " |
|
940
|
|
|
" (name, uuid, description) " |
|
941
|
|
|
" VALUES (%s, %s, %s) ") |
|
942
|
|
|
cursor.execute(add_values, (new_name, |
|
943
|
|
|
str(uuid.uuid4()), |
|
944
|
|
|
meta_result['description'])) |
|
945
|
|
|
new_id = cursor.lastrowid |
|
946
|
|
|
if meta_result['points'] is not None and len(meta_result['points']) > 0: |
|
947
|
|
|
for point in meta_result['points']: |
|
948
|
|
|
cursor.execute(" SELECT name " |
|
949
|
|
|
" FROM tbl_points " |
|
950
|
|
|
" WHERE id = %s ", (point['id'],)) |
|
951
|
|
|
if cursor.fetchone() is None: |
|
952
|
|
|
cursor.close() |
|
953
|
|
|
cnx.close() |
|
954
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
955
|
|
|
description='API.POINT_NOT_FOUND') |
|
956
|
|
|
|
|
957
|
|
|
add_row = (" INSERT INTO tbl_sensors_points (sensor_id, point_id) " |
|
958
|
|
|
" VALUES (%s, %s) ") |
|
959
|
|
|
cursor.execute(add_row, (new_id, point['id'],)) |
|
960
|
|
|
|
|
961
|
|
|
cnx.commit() |
|
962
|
|
|
cursor.close() |
|
963
|
|
|
cnx.close() |
|
964
|
|
|
|
|
965
|
|
|
# Clear cache after cloning sensor |
|
966
|
|
|
clear_sensor_cache() |
|
967
|
|
|
|
|
968
|
|
|
resp.status = falcon.HTTP_201 |
|
969
|
|
|
resp.location = '/sensors/' + str(new_id) |
|
970
|
|
|
|
MyEMS /
myems
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