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from datetime import datetime, timedelta, timezone |
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from decimal import Decimal |
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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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from anytree import AnyNode, LevelOrderIter |
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import config |
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import excelexporters.metertracking |
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class Reporting: |
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@staticmethod |
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def __init__(): |
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""""Initializes Reporting""" |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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resp.status = falcon.HTTP_200 |
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#################################################################################################################### |
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# PROCEDURES |
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# Step 1: valid parameters |
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# Step 2: build a space tree |
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# Step 3: query all meters in the space tree |
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# Step 4: query start value and end value |
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# Step 5: construct the report |
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#################################################################################################################### |
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@staticmethod |
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def on_get(req, resp): |
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print(req.params) |
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space_id = req.params.get('spaceid') |
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energy_category = req.params.get('energyCategory') |
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reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime') |
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reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime') |
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language = req.params.get('language') |
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quick_mode = req.params.get('quickmode') |
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################################################################################################################ |
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# Step 1: valid parameters |
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################################################################################################################ |
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if space_id is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_SPACE_ID') |
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else: |
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space_id = str.strip(space_id) |
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if not space_id.isdigit() or int(space_id) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_SPACE_ID') |
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else: |
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space_id = int(space_id) |
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if energy_category is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_ENERGY_CATEGORY_ID') |
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else: |
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if energy_category == 'all': |
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energy_category_query = "" |
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energy_category_name = None |
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else: |
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energy_category = str.strip(energy_category) |
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if not energy_category.isdigit() or int(energy_category) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_ENERGY_CATEGORY_ID') |
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else: |
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cnx_system_db = mysql.connector.connect(**config.myems_system_db) |
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cursor_system_db = cnx_system_db.cursor() |
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energy_category_query = "AND m.energy_category_id = '" + energy_category + "' " |
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cursor_system_db.execute(" SELECT name " |
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" FROM tbl_energy_categories " |
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" WHERE id = %s ", (energy_category,)) |
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row = cursor_system_db.fetchone() |
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if row is None: |
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if cursor_system_db: |
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cursor_system_db.close() |
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if cnx_system_db: |
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cnx_system_db.close() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.ENERGY_CATEGORY_NOT_FOUND') |
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else: |
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energy_category_name = row[0] |
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timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
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if config.utc_offset[0] == '-': |
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timezone_offset = -timezone_offset |
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if reporting_period_start_datetime_local is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
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else: |
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reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local) |
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try: |
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reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local, |
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'%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
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reporting_start_datetime_utc = \ |
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reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - timedelta(minutes=timezone_offset) |
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# nomalize the start datetime |
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if config.minutes_to_count == 30 and reporting_start_datetime_utc.minute >= 30: |
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reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=30, second=0, microsecond=0) |
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else: |
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reporting_start_datetime_utc = reporting_start_datetime_utc.replace(minute=0, second=0, microsecond=0) |
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if reporting_period_end_datetime_local is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
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else: |
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reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local) |
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try: |
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reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local, |
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'%Y-%m-%dT%H:%M:%S') |
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except ValueError: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
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reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
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timedelta(minutes=timezone_offset) |
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if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
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if reporting_start_datetime_utc + timedelta(minutes=15) >= reporting_end_datetime_utc: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.THE_REPORTING_PERIOD_MUST_BE_LONGER_THAN_15_MINUTES') |
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# if turn quick mode on, do not return parameters data and excel file |
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is_quick_mode = False |
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if quick_mode is not None and \ |
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len(str.strip(quick_mode)) > 0 and \ |
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str.lower(str.strip(quick_mode)) in ('true', 't', 'on', 'yes', 'y'): |
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is_quick_mode = True |
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cnx_system_db = mysql.connector.connect(**config.myems_system_db) |
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cursor_system_db = cnx_system_db.cursor() |
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cnx_historical = mysql.connector.connect(**config.myems_historical_db) |
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cursor_historical = cnx_historical.cursor() |
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cursor_system_db.execute(" SELECT name " |
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" FROM tbl_spaces " |
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" WHERE id = %s ", (space_id,)) |
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row = cursor_system_db.fetchone() |
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if row is None: |
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if cursor_system_db: |
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cursor_system_db.close() |
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if cnx_system_db: |
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cnx_system_db.close() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.SPACE_NOT_FOUND') |
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else: |
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space_name = row[0] |
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################################################################################################################ |
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# Step 2: build a space tree |
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################################################################################################################ |
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query = (" SELECT id, name, parent_space_id " |
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" FROM tbl_spaces " |
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" ORDER BY id ") |
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cursor_system_db.execute(query) |
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rows_spaces = cursor_system_db.fetchall() |
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node_dict = dict() |
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if rows_spaces is not None and len(rows_spaces) > 0: |
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for row in rows_spaces: |
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parent_node = node_dict[row[2]] if row[2] is not None else None |
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node_dict[row[0]] = AnyNode(id=row[0], parent=parent_node, name=row[1]) |
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################################################################################################################ |
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# Step 3: query all meters in the space tree |
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################################################################################################################ |
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meter_dict = dict() |
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space_dict = dict() |
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for node in LevelOrderIter(node_dict[space_id]): |
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space_dict[node.id] = node.name |
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cursor_system_db.execute(" SELECT m.id, m.name AS meter_name, s.name AS space_name, " |
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" cc.name AS cost_center_name, ec.name AS energy_category_name, " |
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" m.description, m.uuid AS meter_uuid " |
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" FROM tbl_spaces s, tbl_spaces_meters sm, tbl_meters m, tbl_cost_centers cc, " |
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" tbl_energy_categories ec " |
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" WHERE s.id IN ( " + ', '.join(map(str, space_dict.keys())) + ") " |
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" AND sm.space_id = s.id AND sm.meter_id = m.id " |
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+ energy_category_query + |
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" AND m.cost_center_id = cc.id AND m.energy_category_id = ec.id ", ) |
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rows_meters = cursor_system_db.fetchall() |
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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[0]] = {"meter_name": row[1], |
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"space_name": row[2], |
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"cost_center_name": row[3], |
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"energy_category_name": row[4], |
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"description": row[5], |
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"meter_uuid": row[6]} |
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################################################################################################################ |
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# Step 4: query start value and end value |
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################################################################################################################ |
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integral_start_count = int(0) |
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integral_end_count = int(0) |
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integral_full_count = int(0) |
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is_integral_start_value = int(0) |
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for meter_id in meter_dict: |
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cursor_system_db.execute(" SELECT point_id " |
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" FROM tbl_meters_points mp, tbl_points p" |
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" WHERE p.id = mp.point_id AND p.object_type = 'ENERGY_VALUE' " |
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" AND meter_id = %s ", (meter_id, )) |
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rows_points_id = cursor_system_db.fetchall() |
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start_value = None |
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end_value = None |
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is_integral_start_value = False |
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if rows_points_id is not None and len(rows_points_id) > 0: |
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query_start_value = (" SELECT actual_value " |
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" FROM tbl_energy_value " |
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" where point_id in (" |
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+ ', '.join(map(lambda x: str(x[0]), rows_points_id)) + ") " |
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" AND utc_date_time BETWEEN %s AND %s " |
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" order by utc_date_time ASC LIMIT 0,1") |
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query_end_value = (" SELECT actual_value " |
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" FROM tbl_energy_value " |
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" where point_id in (" |
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+ ', '.join(map(lambda x: str(x[0]), rows_points_id)) + ") " |
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" AND utc_date_time BETWEEN %s AND %s " |
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" order by utc_date_time DESC LIMIT 0,1") |
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cursor_historical.execute(query_start_value, |
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(reporting_start_datetime_utc, |
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(reporting_start_datetime_utc + timedelta(minutes=15)), )) |
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row_start_value = cursor_historical.fetchone() |
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if row_start_value is not None: |
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start_value = row_start_value[0] |
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integral_start_count += int(1) |
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is_integral_start_value = True |
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242
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cursor_historical.execute(query_end_value, |
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((reporting_end_datetime_utc - timedelta(minutes=15)), |
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reporting_end_datetime_utc, )) |
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row_end_value = cursor_historical.fetchone() |
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if row_end_value is not None: |
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end_value = row_end_value[0] |
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integral_end_count += int(1) |
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if is_integral_start_value: |
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integral_full_count += int(1) |
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252
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253
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meter_dict[meter_id]['start_value'] = start_value |
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meter_dict[meter_id]['end_value'] = end_value |
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if start_value is not None and end_value is not None: |
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256
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meter_dict[meter_id]['difference_value'] = end_value - start_value |
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else: |
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258
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meter_dict[meter_id]['difference_value'] = None |
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260
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if cursor_system_db: |
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cursor_system_db.close() |
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if cnx_system_db: |
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cnx_system_db.close() |
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264
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265
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if cursor_historical: |
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266
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cursor_historical.close() |
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267
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if cnx_historical: |
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268
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cnx_historical.close() |
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269
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270
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################################################################################################################ |
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271
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# Step 5: construct the report |
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272
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################################################################################################################ |
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273
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meter_list = list() |
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274
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for meter_id, meter in meter_dict.items(): |
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275
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meter_list.append({ |
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276
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"id": meter_id, |
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277
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"meter_name": meter['meter_name'], |
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278
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"space_name": meter['space_name'], |
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279
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"cost_center_name": meter['cost_center_name'], |
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280
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"energy_category_name": meter['energy_category_name'], |
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281
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"description": meter['description'], |
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282
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"start_value": meter['start_value'], |
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283
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"end_value": meter['end_value'], |
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284
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|
|
"difference_value": meter['difference_value'], |
|
285
|
|
|
"meter_uuid": meter['meter_uuid'] |
|
286
|
|
|
}) |
|
287
|
|
|
|
|
288
|
|
|
meter_count = len(meter_list) |
|
289
|
|
|
start_integrity_rate = Decimal(integral_start_count / meter_count) if meter_count > 0 else None |
|
290
|
|
|
end_integrity_rate = Decimal(integral_end_count / meter_count) if meter_count > 0 else None |
|
291
|
|
|
full_integrity_rate = Decimal(integral_full_count / meter_count) if meter_count > 0 else None |
|
292
|
|
|
|
|
293
|
|
|
result = {'meters': meter_list, |
|
294
|
|
|
'start_integrity_rate': start_integrity_rate, |
|
295
|
|
|
'end_integrity_rate': end_integrity_rate, |
|
296
|
|
|
'full_integrity_rate': full_integrity_rate} |
|
297
|
|
|
# export result to Excel file and then encode the file to base64 string |
|
298
|
|
|
result['excel_bytes_base64'] = None |
|
299
|
|
|
if not is_quick_mode: |
|
300
|
|
|
result['excel_bytes_base64'] = \ |
|
301
|
|
|
excelexporters.metertracking.export(result, |
|
302
|
|
|
space_name, |
|
303
|
|
|
energy_category_name, |
|
304
|
|
|
reporting_period_start_datetime_local, |
|
305
|
|
|
reporting_period_end_datetime_local, |
|
306
|
|
|
language) |
|
307
|
|
|
resp.text = json.dumps(result) |
|
308
|
|
|
|
MyEMS /
myems
