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import uuid |
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from datetime import datetime, timedelta, timezone |
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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 core.useractivity import user_logger, admin_control, access_control, api_key_control |
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import config |
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class TariffCollection: |
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""" |
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Tariff Collection Resource |
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This class handles CRUD operations for tariff collection. |
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It provides endpoints for listing all tariffs and creating new tariffs. |
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Tariffs define pricing structures for energy consumption in the energy management system. |
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""" |
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def __init__(self): |
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"""Initialize TariffCollection""" |
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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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cnx = mysql.connector.connect(**config.myems_system_db) |
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cursor = cnx.cursor() |
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query = (" SELECT t.id, t.name, t.uuid, " |
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" ec.id AS energy_category_id, ec.name AS energy_category_name, " |
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" t.tariff_type, t.unit_of_price, " |
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" t.valid_from_datetime_utc, t.valid_through_datetime_utc " |
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" FROM tbl_tariffs t, tbl_energy_categories ec " |
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" WHERE t.energy_category_id = ec.id ") |
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params = [] |
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if search_query: |
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query += " AND t.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 = cursor.fetchall() |
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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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result = list() |
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if rows is not None and len(rows) > 0: |
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for row in rows: |
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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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"energy_category": {"id": row[3], |
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"name": row[4]}, |
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"tariff_type": row[5], |
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"unit_of_price": row[6], |
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"valid_from": (row[7].replace(tzinfo=timezone.utc) |
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+ timedelta(minutes=timezone_offset)).isoformat()[0:19], |
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"valid_through": (row[8].replace(tzinfo=timezone.utc) |
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+ timedelta(minutes=timezone_offset)).isoformat()[0:19]} |
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if meta_result['tariff_type'] == 'timeofuse': |
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meta_result['timeofuse'] = list() |
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query = (" SELECT start_time_of_day, end_time_of_day, peak_type, price " |
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" FROM tbl_tariffs_timeofuses " |
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" WHERE tariff_id = %s " |
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" ORDER BY id") |
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cursor.execute(query, (meta_result['id'],)) |
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rows_timeofuses = cursor.fetchall() |
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if rows_timeofuses is not None and len(rows_timeofuses) > 0: |
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for row_timeofuse in rows_timeofuses: |
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meta_data = {"start_time_of_day": str(row_timeofuse[0]), |
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"end_time_of_day": str(row_timeofuse[1]), |
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"peak_type": row_timeofuse[2], |
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"price": row_timeofuse[3]} |
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meta_result['timeofuse'].append(meta_data) |
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else: |
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cursor.close() |
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cnx.close() |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.ERROR', |
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description='API.INVALID_TARIFF_TYPE') |
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result.append(meta_result) |
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cursor.close() |
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cnx.close() |
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resp.text = json.dumps(result) |
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@staticmethod |
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@user_logger |
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def on_post(req, resp): |
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"""Handles POST requests""" |
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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 Exception as ex: |
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print(str(ex)) |
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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_TARIFF_NAME') |
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name = str.strip(new_values['data']['name']) |
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if 'energy_category' not in new_values['data'].keys() or \ |
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'id' not in new_values['data']['energy_category'].keys() or \ |
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not isinstance(new_values['data']['energy_category']['id'], int) or \ |
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new_values['data']['energy_category']['id'] <= 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_ENERGY_CATEGORY_ID') |
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energy_category_id = new_values['data']['energy_category']['id'] |
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if 'tariff_type' not in new_values['data'].keys() \ |
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or str.strip(new_values['data']['tariff_type']) not in ('timeofuse',): |
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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_TARIFF_TYPE') |
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tariff_type = str.strip(new_values['data']['tariff_type']) |
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if new_values['data']['tariff_type'] == 'timeofuse': |
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if new_values['data']['timeofuse'] is None: |
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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_TARIFF_TIME_OF_USE_PRICING') |
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if 'unit_of_price' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['unit_of_price'], str) or \ |
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len(str.strip(new_values['data']['unit_of_price'])) == 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_UNIT_OF_PRICE') |
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unit_of_price = str.strip(new_values['data']['unit_of_price']) |
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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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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_tariffs " |
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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.TARIFF_NAME_IS_ALREADY_IN_USE') |
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cursor.execute(" SELECT name " |
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" FROM tbl_energy_categories " |
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" WHERE id = %s ", (energy_category_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.ENERGY_CATEGORY_NOT_FOUND') |
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# todo: validate datetime values |
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valid_from = datetime.strptime(new_values['data']['valid_from'], '%Y-%m-%dT%H:%M:%S') |
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valid_from = valid_from.replace(tzinfo=timezone.utc) |
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valid_from -= timedelta(minutes=timezone_offset) |
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valid_through = datetime.strptime(new_values['data']['valid_through'], '%Y-%m-%dT%H:%M:%S') |
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valid_through = valid_through.replace(tzinfo=timezone.utc) |
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valid_through -= timedelta(minutes=timezone_offset) |
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add_row = (" INSERT INTO tbl_tariffs " |
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" (name, uuid, energy_category_id, tariff_type, unit_of_price, " |
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" valid_from_datetime_utc, valid_through_datetime_utc ) " |
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" VALUES (%s, %s, %s, %s, %s, %s, %s) ") |
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cursor.execute(add_row, (name, |
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str(uuid.uuid4()), |
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energy_category_id, |
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tariff_type, |
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unit_of_price, |
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valid_from, |
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valid_through)) |
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new_id = cursor.lastrowid |
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cnx.commit() |
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# insert time of use prices |
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View Code Duplication |
if tariff_type == 'timeofuse': |
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for timeofuse in new_values['data']['timeofuse']: |
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add_timeofuse = (" INSERT INTO tbl_tariffs_timeofuses " |
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" (tariff_id, start_time_of_day, end_time_of_day, peak_type, price) " |
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" VALUES (%s, %s, %s, %s, %s) ") |
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cursor.execute(add_timeofuse, (new_id, |
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timeofuse['start_time_of_day'], |
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timeofuse['end_time_of_day'], |
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timeofuse['peak_type'], |
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timeofuse['price'])) |
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cnx.commit() |
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cursor.close() |
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cnx.close() |
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resp.status = falcon.HTTP_201 |
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resp.location = '/tariffs/' + str(new_id) |
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class TariffItem: |
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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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View Code Duplication |
@staticmethod |
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def on_get(req, resp, id_): |
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"""Handles GET requests""" |
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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_TARIFF_ID') |
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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 t.id, t.name, t.uuid, " |
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" ec.id AS energy_category_id, ec.name AS energy_category_name, " |
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" t.tariff_type, " |
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" t.unit_of_price, " |
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" t.valid_from_datetime_utc, t.valid_through_datetime_utc " |
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" FROM tbl_tariffs t, tbl_energy_categories ec " |
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" WHERE t.energy_category_id = ec.id AND t.id = %s ") |
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cursor.execute(query, (id_,)) |
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row = cursor.fetchone() |
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if row is None: |
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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.TARIFF_NOT_FOUND') |
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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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269
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result = {"id": row[0], |
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"name": row[1], |
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"uuid": row[2], |
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"energy_category": {"id": row[3], |
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"name": row[4]}, |
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"tariff_type": row[5], |
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"unit_of_price": row[6], |
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"valid_from": (row[7].replace(tzinfo=timezone.utc) |
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+ timedelta(minutes=timezone_offset)).isoformat()[0:19], |
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"valid_through": (row[8].replace(tzinfo=timezone.utc) |
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+ timedelta(minutes=timezone_offset)).isoformat()[0:19]} |
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281
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if result['tariff_type'] == 'timeofuse': |
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result['timeofuse'] = list() |
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283
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query = (" SELECT start_time_of_day, end_time_of_day, peak_type, price " |
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284
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" FROM tbl_tariffs_timeofuses" |
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285
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" WHERE tariff_id = %s ") |
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286
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cursor.execute(query, (result['id'],)) |
|
287
|
|
|
rows_timeofuses = cursor.fetchall() |
|
288
|
|
|
if rows_timeofuses is not None and len(rows_timeofuses) > 0: |
|
289
|
|
|
for row_timeofuse in rows_timeofuses: |
|
290
|
|
|
meta_data = {"start_time_of_day": str(row_timeofuse[0]), |
|
291
|
|
|
"end_time_of_day": str(row_timeofuse[1]), |
|
292
|
|
|
"peak_type": row_timeofuse[2], |
|
293
|
|
|
"price": row_timeofuse[3]} |
|
294
|
|
|
result['timeofuse'].append(meta_data) |
|
295
|
|
|
|
|
296
|
|
|
cursor.close() |
|
297
|
|
|
cnx.close() |
|
298
|
|
|
|
|
299
|
|
|
resp.text = json.dumps(result) |
|
300
|
|
|
|
|
301
|
|
|
@staticmethod |
|
302
|
|
|
@user_logger |
|
303
|
|
|
def on_delete(req, resp, id_): |
|
304
|
|
|
"""Handles DELETE requests""" |
|
305
|
|
|
admin_control(req) |
|
306
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
307
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
308
|
|
|
title='API.BAD_REQUEST', |
|
309
|
|
|
description='API.INVALID_TARIFF_ID') |
|
310
|
|
|
|
|
311
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
312
|
|
|
cursor = cnx.cursor() |
|
313
|
|
|
|
|
314
|
|
|
cursor.execute(" SELECT name " |
|
315
|
|
|
" FROM tbl_tariffs " |
|
316
|
|
|
" WHERE id = %s ", (id_,)) |
|
317
|
|
|
if cursor.fetchone() is None: |
|
318
|
|
|
cursor.close() |
|
319
|
|
|
cnx.close() |
|
320
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
321
|
|
|
description='API.TARIFF_NOT_FOUND') |
|
322
|
|
|
|
|
323
|
|
|
cursor.execute(" SELECT id " |
|
324
|
|
|
" FROM tbl_cost_centers_tariffs " |
|
325
|
|
|
" WHERE tariff_id = %s ", (id_,)) |
|
326
|
|
|
rows = cursor.fetchall() |
|
327
|
|
|
if rows is not None and len(rows) > 0: |
|
328
|
|
|
cursor.close() |
|
329
|
|
|
cnx.close() |
|
330
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
331
|
|
|
description='API.TARIFF_IN_USE') |
|
332
|
|
|
|
|
333
|
|
|
cursor.execute(" DELETE FROM tbl_tariffs_timeofuses WHERE tariff_id = %s ", (id_,)) |
|
334
|
|
|
cnx.commit() |
|
335
|
|
|
|
|
336
|
|
|
cursor.execute(" DELETE FROM tbl_tariffs WHERE id = %s ", (id_,)) |
|
337
|
|
|
cnx.commit() |
|
338
|
|
|
|
|
339
|
|
|
cursor.close() |
|
340
|
|
|
cnx.close() |
|
341
|
|
|
|
|
342
|
|
|
resp.status = falcon.HTTP_204 |
|
343
|
|
|
|
|
344
|
|
|
@staticmethod |
|
345
|
|
|
@user_logger |
|
346
|
|
|
def on_put(req, resp, id_): |
|
347
|
|
|
"""Handles PUT requests""" |
|
348
|
|
|
admin_control(req) |
|
349
|
|
|
try: |
|
350
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
351
|
|
|
except Exception as ex: |
|
352
|
|
|
print(str(ex)) |
|
353
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
354
|
|
|
title='API.BAD_REQUEST', |
|
355
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
356
|
|
|
|
|
357
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
358
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
359
|
|
|
description='API.INVALID_TARIFF_ID') |
|
360
|
|
|
|
|
361
|
|
|
new_values = json.loads(raw_json) |
|
362
|
|
|
|
|
363
|
|
|
if 'name' not in new_values['data'].keys() or \ |
|
364
|
|
|
not isinstance(new_values['data']['name'], str) or \ |
|
365
|
|
|
len(str.strip(new_values['data']['name'])) == 0: |
|
366
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
367
|
|
|
description='API.INVALID_TARIFF_NAME') |
|
368
|
|
|
name = str.strip(new_values['data']['name']) |
|
369
|
|
|
|
|
370
|
|
|
if 'energy_category' not in new_values['data'].keys() or \ |
|
371
|
|
|
'id' not in new_values['data']['energy_category'].keys() or \ |
|
372
|
|
|
not isinstance(new_values['data']['energy_category']['id'], int) or \ |
|
373
|
|
|
new_values['data']['energy_category']['id'] <= 0: |
|
374
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
375
|
|
|
description='API.INVALID_ENERGY_CATEGORY_ID') |
|
376
|
|
|
energy_category_id = new_values['data']['energy_category']['id'] |
|
377
|
|
|
|
|
378
|
|
|
if 'tariff_type' not in new_values['data'].keys() \ |
|
379
|
|
|
or str.strip(new_values['data']['tariff_type']) not in ('timeofuse',): |
|
380
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
381
|
|
|
title='API.BAD_REQUEST', |
|
382
|
|
|
description='API.INVALID_TARIFF_TYPE') |
|
383
|
|
|
tariff_type = str.strip(new_values['data']['tariff_type']) |
|
384
|
|
|
|
|
385
|
|
|
if new_values['data']['tariff_type'] == 'timeofuse': |
|
386
|
|
|
if new_values['data']['timeofuse'] is None: |
|
387
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
388
|
|
|
title='API.BAD_REQUEST', |
|
389
|
|
|
description='API.INVALID_TARIFF_TIME_OF_USE_PRICING') |
|
390
|
|
|
|
|
391
|
|
|
if 'unit_of_price' not in new_values['data'].keys() or \ |
|
392
|
|
|
not isinstance(new_values['data']['unit_of_price'], str) or \ |
|
393
|
|
|
len(str.strip(new_values['data']['unit_of_price'])) == 0: |
|
394
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
395
|
|
|
description='API.INVALID_UNIT_OF_PRICE') |
|
396
|
|
|
unit_of_price = str.strip(new_values['data']['unit_of_price']) |
|
397
|
|
|
|
|
398
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
399
|
|
|
if config.utc_offset[0] == '-': |
|
400
|
|
|
timezone_offset = -timezone_offset |
|
401
|
|
|
|
|
402
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
403
|
|
|
cursor = cnx.cursor() |
|
404
|
|
|
|
|
405
|
|
|
# check if the tariff exist |
|
406
|
|
|
query = (" SELECT name " |
|
407
|
|
|
" FROM tbl_tariffs " |
|
408
|
|
|
" WHERE id = %s ") |
|
409
|
|
|
cursor.execute(query, (id_,)) |
|
410
|
|
|
cursor.fetchone() |
|
411
|
|
|
|
|
412
|
|
|
if cursor.rowcount != 1: |
|
413
|
|
|
cursor.close() |
|
414
|
|
|
cnx.close() |
|
415
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
416
|
|
|
description='API.TARIFF_NOT_FOUND') |
|
417
|
|
|
|
|
418
|
|
|
cursor.execute(" SELECT name " |
|
419
|
|
|
" FROM tbl_tariffs " |
|
420
|
|
|
" WHERE name = %s AND id != %s ", (name, id_)) |
|
421
|
|
|
if cursor.fetchone() is not None: |
|
422
|
|
|
cursor.close() |
|
423
|
|
|
cnx.close() |
|
424
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
425
|
|
|
description='API.TARIFF_NAME_IS_ALREADY_IN_USE') |
|
426
|
|
|
|
|
427
|
|
|
valid_from = datetime.strptime(new_values['data']['valid_from'], '%Y-%m-%dT%H:%M:%S') |
|
428
|
|
|
valid_from = valid_from.replace(tzinfo=timezone.utc) |
|
429
|
|
|
valid_from -= timedelta(minutes=timezone_offset) |
|
430
|
|
|
valid_through = datetime.strptime(new_values['data']['valid_through'], '%Y-%m-%dT%H:%M:%S') |
|
431
|
|
|
valid_through = valid_through.replace(tzinfo=timezone.utc) |
|
432
|
|
|
valid_through -= timedelta(minutes=timezone_offset) |
|
433
|
|
|
|
|
434
|
|
|
# update tariff itself |
|
435
|
|
|
update_row = (" UPDATE tbl_tariffs " |
|
436
|
|
|
" SET name = %s, energy_category_id = %s, tariff_type = %s, unit_of_price = %s, " |
|
437
|
|
|
" valid_from_datetime_utc = %s , valid_through_datetime_utc = %s " |
|
438
|
|
|
" WHERE id = %s ") |
|
439
|
|
|
cursor.execute(update_row, (name, |
|
440
|
|
|
energy_category_id, |
|
441
|
|
|
tariff_type, |
|
442
|
|
|
unit_of_price, |
|
443
|
|
|
valid_from, |
|
444
|
|
|
valid_through, |
|
445
|
|
|
id_,)) |
|
446
|
|
|
cnx.commit() |
|
447
|
|
|
|
|
448
|
|
|
# update prices of the tariff |
|
449
|
|
|
if tariff_type == 'timeofuse': |
|
450
|
|
|
if 'timeofuse' not in new_values['data'].keys() or new_values['data']['timeofuse'] is None: |
|
451
|
|
|
cursor.close() |
|
452
|
|
|
cnx.close() |
|
453
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
454
|
|
|
title='API.BAD_REQUEST', |
|
455
|
|
|
description='API.INVALID_TARIFF_TIME_OF_USE_PRICING') |
|
456
|
|
|
else: |
|
457
|
|
|
# remove all (possible) exist prices |
|
458
|
|
|
cursor.execute(" DELETE FROM tbl_tariffs_timeofuses " |
|
459
|
|
|
" WHERE tariff_id = %s ", |
|
460
|
|
|
(id_,)) |
|
461
|
|
|
cnx.commit() |
|
462
|
|
|
|
|
463
|
|
|
for timeofuse in new_values['data']['timeofuse']: |
|
464
|
|
|
add_timeofuse = (" INSERT INTO tbl_tariffs_timeofuses " |
|
465
|
|
|
" (tariff_id, start_time_of_day, end_time_of_day, peak_type, price) " |
|
466
|
|
|
" VALUES (%s, %s, %s, %s, %s) ") |
|
467
|
|
|
cursor.execute(add_timeofuse, (id_, |
|
468
|
|
|
timeofuse['start_time_of_day'], |
|
469
|
|
|
timeofuse['end_time_of_day'], |
|
470
|
|
|
timeofuse['peak_type'], |
|
471
|
|
|
timeofuse['price'])) |
|
472
|
|
|
cnx.commit() |
|
473
|
|
|
|
|
474
|
|
|
cursor.close() |
|
475
|
|
|
cnx.close() |
|
476
|
|
|
resp.status = falcon.HTTP_200 |
|
477
|
|
|
|
|
478
|
|
|
|
|
479
|
|
|
class TariffExport: |
|
480
|
|
|
def __init__(self): |
|
481
|
|
|
pass |
|
482
|
|
|
|
|
483
|
|
|
@staticmethod |
|
484
|
|
|
def on_options(req, resp, id_): |
|
485
|
|
|
_ = req |
|
486
|
|
|
resp.status = falcon.HTTP_200 |
|
487
|
|
|
_ = id_ |
|
488
|
|
|
|
|
489
|
|
View Code Duplication |
@staticmethod |
|
|
|
|
|
|
490
|
|
|
def on_get(req, resp, id_): |
|
491
|
|
|
"""Handles GET requests""" |
|
492
|
|
|
if 'API-KEY' not in req.headers or \ |
|
493
|
|
|
not isinstance(req.headers['API-KEY'], str) or \ |
|
494
|
|
|
len(str.strip(req.headers['API-KEY'])) == 0: |
|
495
|
|
|
access_control(req) |
|
496
|
|
|
else: |
|
497
|
|
|
api_key_control(req) |
|
498
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
499
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
500
|
|
|
description='API.INVALID_TARIFF_ID') |
|
501
|
|
|
|
|
502
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
503
|
|
|
cursor = cnx.cursor() |
|
504
|
|
|
|
|
505
|
|
|
query = (" SELECT t.id, t.name, t.uuid, " |
|
506
|
|
|
" ec.id AS energy_category_id, ec.name AS energy_category_name, " |
|
507
|
|
|
" t.tariff_type, " |
|
508
|
|
|
" t.unit_of_price, " |
|
509
|
|
|
" t.valid_from_datetime_utc, t.valid_through_datetime_utc " |
|
510
|
|
|
" FROM tbl_tariffs t, tbl_energy_categories ec " |
|
511
|
|
|
" WHERE t.energy_category_id = ec.id AND t.id = %s ") |
|
512
|
|
|
cursor.execute(query, (id_,)) |
|
513
|
|
|
row = cursor.fetchone() |
|
514
|
|
|
if row is None: |
|
515
|
|
|
cursor.close() |
|
516
|
|
|
cnx.close() |
|
517
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
518
|
|
|
description='API.TARIFF_NOT_FOUND') |
|
519
|
|
|
|
|
520
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
521
|
|
|
if config.utc_offset[0] == '-': |
|
522
|
|
|
timezone_offset = -timezone_offset |
|
523
|
|
|
|
|
524
|
|
|
result = {"id": row[0], |
|
525
|
|
|
"name": row[1], |
|
526
|
|
|
"uuid": row[2], |
|
527
|
|
|
"energy_category": {"id": row[3], |
|
528
|
|
|
"name": row[4]}, |
|
529
|
|
|
"tariff_type": row[5], |
|
530
|
|
|
"unit_of_price": row[6], |
|
531
|
|
|
"valid_from": (row[7].replace(tzinfo=timezone.utc) |
|
532
|
|
|
+ timedelta(minutes=timezone_offset)).isoformat()[0:19], |
|
533
|
|
|
"valid_through": (row[8].replace(tzinfo=timezone.utc) |
|
534
|
|
|
+ timedelta(minutes=timezone_offset)).isoformat()[0:19]} |
|
535
|
|
|
|
|
536
|
|
|
if result['tariff_type'] == 'timeofuse': |
|
537
|
|
|
result['timeofuse'] = list() |
|
538
|
|
|
query = (" SELECT start_time_of_day, end_time_of_day, peak_type, price " |
|
539
|
|
|
" FROM tbl_tariffs_timeofuses" |
|
540
|
|
|
" WHERE tariff_id = %s ") |
|
541
|
|
|
cursor.execute(query, (result['id'],)) |
|
542
|
|
|
rows_timeofuses = cursor.fetchall() |
|
543
|
|
|
if rows_timeofuses is not None and len(rows_timeofuses) > 0: |
|
544
|
|
|
for row_timeofuse in rows_timeofuses: |
|
545
|
|
|
meta_data = {"start_time_of_day": str(row_timeofuse[0]), |
|
546
|
|
|
"end_time_of_day": str(row_timeofuse[1]), |
|
547
|
|
|
"peak_type": row_timeofuse[2], |
|
548
|
|
|
"price": row_timeofuse[3]} |
|
549
|
|
|
result['timeofuse'].append(meta_data) |
|
550
|
|
|
|
|
551
|
|
|
cursor.close() |
|
552
|
|
|
cnx.close() |
|
553
|
|
|
|
|
554
|
|
|
resp.text = json.dumps(result) |
|
555
|
|
|
|
|
556
|
|
|
|
|
557
|
|
|
class TariffImport: |
|
558
|
|
|
def __init__(self): |
|
559
|
|
|
pass |
|
560
|
|
|
|
|
561
|
|
|
@staticmethod |
|
562
|
|
|
def on_options(req, resp): |
|
563
|
|
|
_ = req |
|
564
|
|
|
resp.status = falcon.HTTP_200 |
|
565
|
|
|
|
|
566
|
|
|
@staticmethod |
|
567
|
|
|
@user_logger |
|
568
|
|
|
def on_post(req, resp): |
|
569
|
|
|
"""Handles POST requests""" |
|
570
|
|
|
admin_control(req) |
|
571
|
|
|
try: |
|
572
|
|
|
raw_json = req.stream.read().decode('utf-8') |
|
573
|
|
|
except Exception as ex: |
|
574
|
|
|
print(str(ex)) |
|
575
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
576
|
|
|
title='API.BAD_REQUEST', |
|
577
|
|
|
description='API.FAILED_TO_READ_REQUEST_STREAM') |
|
578
|
|
|
new_values = json.loads(raw_json) |
|
579
|
|
|
|
|
580
|
|
|
if 'name' not in new_values.keys() or \ |
|
581
|
|
|
not isinstance(new_values['name'], str) or \ |
|
582
|
|
|
len(str.strip(new_values['name'])) == 0: |
|
583
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
584
|
|
|
description='API.INVALID_TARIFF_NAME') |
|
585
|
|
|
name = str.strip(new_values['name']) |
|
586
|
|
|
|
|
587
|
|
|
if 'energy_category' not in new_values.keys() or \ |
|
588
|
|
|
'id' not in new_values['energy_category'].keys() or \ |
|
589
|
|
|
not isinstance(new_values['energy_category']['id'], int) or \ |
|
590
|
|
|
new_values['energy_category']['id'] <= 0: |
|
591
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
592
|
|
|
description='API.INVALID_ENERGY_CATEGORY_ID') |
|
593
|
|
|
energy_category_id = new_values['energy_category']['id'] |
|
594
|
|
|
|
|
595
|
|
|
if 'tariff_type' not in new_values.keys() \ |
|
596
|
|
|
or str.strip(new_values['tariff_type']) not in ('timeofuse',): |
|
597
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
598
|
|
|
title='API.BAD_REQUEST', |
|
599
|
|
|
description='API.INVALID_TARIFF_TYPE') |
|
600
|
|
|
tariff_type = str.strip(new_values['tariff_type']) |
|
601
|
|
|
|
|
602
|
|
|
if new_values['tariff_type'] == 'timeofuse': |
|
603
|
|
|
if new_values['timeofuse'] is None: |
|
604
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, |
|
605
|
|
|
title='API.BAD_REQUEST', |
|
606
|
|
|
description='API.INVALID_TARIFF_TIME_OF_USE_PRICING') |
|
607
|
|
|
|
|
608
|
|
|
if 'unit_of_price' not in new_values.keys() or \ |
|
609
|
|
|
not isinstance(new_values['unit_of_price'], str) or \ |
|
610
|
|
|
len(str.strip(new_values['unit_of_price'])) == 0: |
|
611
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
612
|
|
|
description='API.INVALID_UNIT_OF_PRICE') |
|
613
|
|
|
unit_of_price = str.strip(new_values['unit_of_price']) |
|
614
|
|
|
|
|
615
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
616
|
|
|
if config.utc_offset[0] == '-': |
|
617
|
|
|
timezone_offset = -timezone_offset |
|
618
|
|
|
|
|
619
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
620
|
|
|
cursor = cnx.cursor() |
|
621
|
|
|
|
|
622
|
|
|
cursor.execute(" SELECT name " |
|
623
|
|
|
" FROM tbl_tariffs " |
|
624
|
|
|
" WHERE name = %s ", (name,)) |
|
625
|
|
|
if cursor.fetchone() is not None: |
|
626
|
|
|
cursor.close() |
|
627
|
|
|
cnx.close() |
|
628
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
629
|
|
|
description='API.TARIFF_NAME_IS_ALREADY_IN_USE') |
|
630
|
|
|
|
|
631
|
|
|
cursor.execute(" SELECT name " |
|
632
|
|
|
" FROM tbl_energy_categories " |
|
633
|
|
|
" WHERE id = %s ", (energy_category_id,)) |
|
634
|
|
|
if cursor.fetchone() is None: |
|
635
|
|
|
cursor.close() |
|
636
|
|
|
cnx.close() |
|
637
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
638
|
|
|
description='API.ENERGY_CATEGORY_NOT_FOUND') |
|
639
|
|
|
|
|
640
|
|
|
# todo: validate datetime values |
|
641
|
|
|
valid_from = datetime.strptime(new_values['valid_from'], '%Y-%m-%dT%H:%M:%S') |
|
642
|
|
|
valid_from = valid_from.replace(tzinfo=timezone.utc) |
|
643
|
|
|
valid_from -= timedelta(minutes=timezone_offset) |
|
644
|
|
|
valid_through = datetime.strptime(new_values['valid_through'], '%Y-%m-%dT%H:%M:%S') |
|
645
|
|
|
valid_through = valid_through.replace(tzinfo=timezone.utc) |
|
646
|
|
|
valid_through -= timedelta(minutes=timezone_offset) |
|
647
|
|
|
|
|
648
|
|
|
add_row = (" INSERT INTO tbl_tariffs " |
|
649
|
|
|
" (name, uuid, energy_category_id, tariff_type, unit_of_price, " |
|
650
|
|
|
" valid_from_datetime_utc, valid_through_datetime_utc ) " |
|
651
|
|
|
" VALUES (%s, %s, %s, %s, %s, %s, %s) ") |
|
652
|
|
|
cursor.execute(add_row, (name, |
|
653
|
|
|
str(uuid.uuid4()), |
|
654
|
|
|
energy_category_id, |
|
655
|
|
|
tariff_type, |
|
656
|
|
|
unit_of_price, |
|
657
|
|
|
valid_from, |
|
658
|
|
|
valid_through)) |
|
659
|
|
|
new_id = cursor.lastrowid |
|
660
|
|
|
cnx.commit() |
|
661
|
|
|
# insert time of use prices |
|
662
|
|
View Code Duplication |
if tariff_type == 'timeofuse': |
|
|
|
|
|
|
663
|
|
|
for timeofuse in new_values['timeofuse']: |
|
664
|
|
|
add_timeofuse = (" INSERT INTO tbl_tariffs_timeofuses " |
|
665
|
|
|
" (tariff_id, start_time_of_day, end_time_of_day, peak_type, price) " |
|
666
|
|
|
" VALUES (%s, %s, %s, %s, %s) ") |
|
667
|
|
|
cursor.execute(add_timeofuse, (new_id, |
|
668
|
|
|
timeofuse['start_time_of_day'], |
|
669
|
|
|
timeofuse['end_time_of_day'], |
|
670
|
|
|
timeofuse['peak_type'], |
|
671
|
|
|
timeofuse['price'])) |
|
672
|
|
|
cnx.commit() |
|
673
|
|
|
|
|
674
|
|
|
cursor.close() |
|
675
|
|
|
cnx.close() |
|
676
|
|
|
|
|
677
|
|
|
resp.status = falcon.HTTP_201 |
|
678
|
|
|
resp.location = '/tariffs/' + str(new_id) |
|
679
|
|
|
|
|
680
|
|
|
|
|
681
|
|
|
class TariffClone: |
|
682
|
|
|
def __init__(self): |
|
683
|
|
|
pass |
|
684
|
|
|
|
|
685
|
|
|
@staticmethod |
|
686
|
|
|
def on_options(req, resp, id_): |
|
687
|
|
|
_ = req |
|
688
|
|
|
resp.status = falcon.HTTP_200 |
|
689
|
|
|
_ = id_ |
|
690
|
|
|
|
|
691
|
|
|
@staticmethod |
|
692
|
|
|
@user_logger |
|
693
|
|
|
def on_post(req, resp, id_): |
|
694
|
|
|
admin_control(req) |
|
695
|
|
|
if not id_.isdigit() or int(id_) <= 0: |
|
696
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
697
|
|
|
description='API.INVALID_TARIFF_ID') |
|
698
|
|
|
|
|
699
|
|
|
cnx = mysql.connector.connect(**config.myems_system_db) |
|
700
|
|
|
cursor = cnx.cursor() |
|
701
|
|
|
|
|
702
|
|
|
query = (" SELECT t.id, t.name, t.uuid, " |
|
703
|
|
|
" ec.id AS energy_category_id, ec.name AS energy_category_name, " |
|
704
|
|
|
" t.tariff_type, " |
|
705
|
|
|
" t.unit_of_price, " |
|
706
|
|
|
" t.valid_from_datetime_utc, t.valid_through_datetime_utc " |
|
707
|
|
|
" FROM tbl_tariffs t, tbl_energy_categories ec " |
|
708
|
|
|
" WHERE t.energy_category_id = ec.id AND t.id = %s ") |
|
709
|
|
|
cursor.execute(query, (id_,)) |
|
710
|
|
|
row = cursor.fetchone() |
|
711
|
|
|
if row is None: |
|
712
|
|
|
cursor.close() |
|
713
|
|
|
cnx.close() |
|
714
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
715
|
|
|
description='API.TARIFF_NOT_FOUND') |
|
716
|
|
|
|
|
717
|
|
|
result = {"id": row[0], |
|
718
|
|
|
"name": row[1], |
|
719
|
|
|
"uuid": row[2], |
|
720
|
|
|
"energy_category": {"id": row[3], |
|
721
|
|
|
"name": row[4]}, |
|
722
|
|
|
"tariff_type": row[5], |
|
723
|
|
|
"unit_of_price": row[6], |
|
724
|
|
|
"valid_from": row[7].isoformat()[0:19], |
|
725
|
|
|
"valid_through": row[8].isoformat()[0:19]} |
|
726
|
|
|
|
|
727
|
|
|
if result['tariff_type'] == 'timeofuse': |
|
728
|
|
|
result['timeofuse'] = list() |
|
729
|
|
|
query = (" SELECT start_time_of_day, end_time_of_day, peak_type, price " |
|
730
|
|
|
" FROM tbl_tariffs_timeofuses" |
|
731
|
|
|
" WHERE tariff_id = %s ") |
|
732
|
|
|
cursor.execute(query, (result['id'],)) |
|
733
|
|
|
rows_timeofuses = cursor.fetchall() |
|
734
|
|
|
if rows_timeofuses is not None and len(rows_timeofuses) > 0: |
|
735
|
|
|
for row_timeofuse in rows_timeofuses: |
|
736
|
|
|
meta_data = {"start_time_of_day": str(row_timeofuse[0]), |
|
737
|
|
|
"end_time_of_day": str(row_timeofuse[1]), |
|
738
|
|
|
"peak_type": row_timeofuse[2], |
|
739
|
|
|
"price": row_timeofuse[3]} |
|
740
|
|
|
result['timeofuse'].append(meta_data) |
|
741
|
|
|
timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
742
|
|
|
if config.utc_offset[0] == '-': |
|
743
|
|
|
timezone_offset = -timezone_offset |
|
744
|
|
|
new_name = (str.strip(result['name']) + |
|
745
|
|
|
(datetime.utcnow() + timedelta(minutes=timezone_offset)).isoformat(sep='-', timespec='seconds')) |
|
746
|
|
|
add_row = (" INSERT INTO tbl_tariffs " |
|
747
|
|
|
" (name, uuid, energy_category_id, tariff_type, unit_of_price, " |
|
748
|
|
|
" valid_from_datetime_utc, valid_through_datetime_utc ) " |
|
749
|
|
|
" VALUES (%s, %s, %s, %s, %s, %s, %s) ") |
|
750
|
|
|
cursor.execute(add_row, (new_name, |
|
751
|
|
|
str(uuid.uuid4()), |
|
752
|
|
|
result['energy_category']['id'], |
|
753
|
|
|
result['tariff_type'], |
|
754
|
|
|
result['unit_of_price'], |
|
755
|
|
|
result['valid_from'], |
|
756
|
|
|
result['valid_through'])) |
|
757
|
|
|
new_id = cursor.lastrowid |
|
758
|
|
|
cnx.commit() |
|
759
|
|
|
# insert time of use prices |
|
760
|
|
|
if result['tariff_type'] == 'timeofuse': |
|
761
|
|
|
for timeofuse in result['timeofuse']: |
|
762
|
|
|
add_timeofuse = (" INSERT INTO tbl_tariffs_timeofuses " |
|
763
|
|
|
" (tariff_id, start_time_of_day, end_time_of_day, peak_type, price) " |
|
764
|
|
|
" VALUES (%s, %s, %s, %s, %s) ") |
|
765
|
|
|
cursor.execute(add_timeofuse, (new_id, |
|
766
|
|
|
timeofuse['start_time_of_day'], |
|
767
|
|
|
timeofuse['end_time_of_day'], |
|
768
|
|
|
timeofuse['peak_type'], |
|
769
|
|
|
timeofuse['price'])) |
|
770
|
|
|
cnx.commit() |
|
771
|
|
|
|
|
772
|
|
|
cursor.close() |
|
773
|
|
|
cnx.close() |
|
774
|
|
|
|
|
775
|
|
|
resp.status = falcon.HTTP_201 |
|
776
|
|
|
resp.location = '/tariffs/' + str(new_id) |
|
777
|
|
|
|
MyEMS /
myems
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