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import falcon |
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import json |
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import mysql.connector |
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import config |
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import uuid |
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class RuleCollection: |
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@staticmethod |
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def __init__(): |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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resp.status = falcon.HTTP_200 |
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@staticmethod |
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def on_get(req, resp): |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor(dictionary=True) |
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query = (" SELECT id, name, uuid, " |
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" fdd_code, category, priority, " |
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" channel, expression, message_template, " |
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" is_enabled " |
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" FROM tbl_rules " |
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" ORDER BY id ") |
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cursor.execute(query) |
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rows = cursor.fetchall() |
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cursor.close() |
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cnx.disconnect() |
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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['id'], "name": row['name'], "uuid": row['uuid'], |
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"fdd_code": row['fdd_code'], "category": row['category'], "priority": row['priority'], |
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"channel": row['channel'], "expression": row['expression'], |
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"message_template": row['message_template'].replace("<br>", ""), |
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"is_enabled": bool(row['is_enabled'])} |
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result.append(meta_result) |
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resp.body = json.dumps(result) |
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@staticmethod |
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def on_post(req, resp): |
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"""Handles POST requests""" |
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try: |
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raw_json = req.stream.read().decode('utf-8') |
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except Exception as ex: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex) |
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new_values = json.loads(raw_json) |
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if 'name' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['name'], str) or \ |
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len(str.strip(new_values['data']['name'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_RULE_NAME') |
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name = str.strip(new_values['data']['name']) |
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if 'fdd_code' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['fdd_code'], str) or \ |
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len(str.strip(new_values['data']['fdd_code'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_FDD_CODE') |
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fdd_code = str.strip(new_values['data']['fdd_code']) |
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if 'category' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['category'], str) or \ |
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len(str.strip(new_values['data']['category'])) == 0 or \ |
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str.strip(new_values['data']['category']) not in \ |
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('SYSTEM', 'SPACE', 'METER', 'TENANT', 'STORE', 'SHOPFLOOR', 'EQUIPMENT', 'COMBINEDEQUIPMENT'): |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_CATEGORY') |
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category = str.strip(new_values['data']['category']) |
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if 'priority' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['priority'], str) or \ |
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len(str.strip(new_values['data']['priority'])) == 0 or \ |
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str.strip(new_values['data']['priority']) not in \ |
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('CRITICAL', 'HIGH', 'MEDIUM', 'LOW'): |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_PRIORITY') |
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priority = str.strip(new_values['data']['priority']) |
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if 'channel' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['channel'], str) or \ |
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len(str.strip(new_values['data']['channel'])) == 0 or \ |
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str.strip(new_values['data']['channel']) not in ('WEB', 'EMAIL', 'SMS', 'WECHAT', 'CALL'): |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_CHANNEL') |
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channel = str.strip(new_values['data']['channel']) |
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if 'expression' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['expression'], str) or \ |
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len(str.strip(new_values['data']['expression'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_EXPRESSION') |
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expression = str.strip(new_values['data']['expression']) |
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if 'message_template' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['message_template'], str) or \ |
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len(str.strip(new_values['data']['message_template'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.INVALID_MESSAGE_TEMPLATE') |
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message_template = str.strip(new_values['data']['message_template']) |
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if 'is_enabled' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['is_enabled'], bool): |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_IS_ENABLED') |
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is_enabled = new_values['data']['is_enabled'] |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT name " |
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" FROM tbl_rules " |
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" WHERE name = %s ", (name,)) |
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if cursor.fetchone() is not None: |
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cursor.close() |
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cnx.disconnect() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST', |
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description='API.RULE_NAME_IS_ALREADY_IN_USE') |
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add_row = (" INSERT INTO tbl_rules " |
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" (name, uuid, fdd_code, category, priority, " |
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" channel, expression, message_template, is_enabled) " |
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" VALUES (%s, %s, %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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fdd_code, |
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category, |
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priority, |
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channel, |
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expression, |
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message_template, |
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is_enabled)) |
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new_id = cursor.lastrowid |
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cnx.commit() |
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cursor.close() |
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cnx.disconnect() |
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resp.status = falcon.HTTP_201 |
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resp.location = '/rules/' + str(new_id) |
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153
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154
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class RuleItem: |
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@staticmethod |
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def __init__(): |
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pass |
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159
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@staticmethod |
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def on_options(req, resp, id_): |
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resp.status = falcon.HTTP_200 |
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163
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@staticmethod |
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def on_get(req, resp, id_): |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_RULE_ID') |
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169
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor(dictionary=True) |
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query = (" SELECT id, name, uuid, " |
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" fdd_code, category, priority, " |
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" channel, expression, message_template, is_enabled " |
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" FROM tbl_rules " |
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" WHERE id = %s ") |
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cursor.execute(query, (id_,)) |
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row = cursor.fetchone() |
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cursor.close() |
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cnx.disconnect() |
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if row is None: |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.RULE_NOT_FOUND') |
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result = {"id": row['id'], "name": row['name'], "uuid": row['uuid'], |
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"fdd_code": row['fdd_code'], "category": row['category'], "priority": row['priority'], |
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"channel": row['channel'], "expression": row['expression'], |
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"message_template": row['message_template'].replace("<br>", ""), |
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"is_enabled": bool(row['is_enabled'])} |
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resp.body = json.dumps(result) |
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192
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View Code Duplication |
@staticmethod |
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def on_delete(req, resp, id_): |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_RULE_ID') |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT id " |
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" FROM tbl_rules " |
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" WHERE id = %s ", |
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(id_,)) |
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if cursor.fetchone() is None: |
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cursor.close() |
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cnx.disconnect() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.RULE_NOT_FOUND') |
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cursor.execute(" DELETE FROM tbl_rules WHERE id = %s ", (id_,)) |
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cnx.commit() |
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cursor.close() |
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cnx.disconnect() |
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217
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resp.status = falcon.HTTP_204 |
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@staticmethod |
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def on_put(req, resp, id_): |
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"""Handles PUT requests""" |
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try: |
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raw_json = req.stream.read().decode('utf-8') |
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except Exception as ex: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex) |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_RULE_ID') |
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231
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new_values = json.loads(raw_json) |
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if 'name' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['name'], str) or \ |
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len(str.strip(new_values['data']['name'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_RULE_NAME') |
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name = str.strip(new_values['data']['name']) |
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239
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if 'fdd_code' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['fdd_code'], str) or \ |
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len(str.strip(new_values['data']['fdd_code'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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244
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description='API.INVALID_FDD_CODE') |
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fdd_code = str.strip(new_values['data']['fdd_code']) |
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247
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if 'category' not in new_values['data'].keys() or \ |
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248
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not isinstance(new_values['data']['category'], str) or \ |
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249
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len(str.strip(new_values['data']['category'])) == 0 or \ |
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250
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str.strip(new_values['data']['category']) not in \ |
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251
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('SYSTEM', 'SPACE', 'METER', 'TENANT', 'STORE', 'SHOPFLOOR', 'EQUIPMENT', 'COMBINEDEQUIPMENT'): |
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252
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raise falcon.HTTPError(falcon.HTTP_400, |
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253
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title='API.BAD_REQUEST', |
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254
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description='API.INVALID_CATEGORY') |
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255
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category = str.strip(new_values['data']['category']) |
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256
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257
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if 'priority' not in new_values['data'].keys() or \ |
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258
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not isinstance(new_values['data']['priority'], str) or \ |
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259
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len(str.strip(new_values['data']['priority'])) == 0 or \ |
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260
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str.strip(new_values['data']['priority']) not in \ |
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261
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('CRITICAL', 'HIGH', 'MEDIUM', 'LOW'): |
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262
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raise falcon.HTTPError(falcon.HTTP_400, |
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263
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title='API.BAD_REQUEST', |
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264
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description='API.INVALID_PRIORITY') |
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265
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priority = str.strip(new_values['data']['priority']) |
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266
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267
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if 'channel' not in new_values['data'].keys() or \ |
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268
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not isinstance(new_values['data']['channel'], str) or \ |
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269
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len(str.strip(new_values['data']['channel'])) == 0 or \ |
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270
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str.strip(new_values['data']['channel']) not in ('WEB', 'EMAIL', 'SMS', 'WECHAT', 'CALL'): |
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271
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raise falcon.HTTPError(falcon.HTTP_400, |
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272
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title='API.BAD_REQUEST', |
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273
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description='API.INVALID_CHANNEL') |
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274
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channel = str.strip(new_values['data']['channel']) |
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275
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276
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if 'expression' not in new_values['data'].keys() or \ |
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277
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not isinstance(new_values['data']['expression'], str) or \ |
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278
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len(str.strip(new_values['data']['expression'])) == 0: |
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279
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raise falcon.HTTPError(falcon.HTTP_400, |
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280
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title='API.BAD_REQUEST', |
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281
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description='API.INVALID_EXPRESSION') |
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282
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expression = str.strip(new_values['data']['expression']) |
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283
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284
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if 'message_template' not in new_values['data'].keys() or \ |
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285
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not isinstance(new_values['data']['message_template'], str) or \ |
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286
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|
|
len(str.strip(new_values['data']['message_template'])) == 0: |
|
287
|
|
|
raise falcon.HTTPError(falcon.HTTP_400, |
|
288
|
|
|
title='API.BAD_REQUEST', |
|
289
|
|
|
description='API.INVALID_MESSAGE_TEMPLATE') |
|
290
|
|
|
message_template = str.strip(new_values['data']['message_template']) |
|
291
|
|
|
|
|
292
|
|
|
if 'is_enabled' not in new_values['data'].keys() or \ |
|
293
|
|
|
not isinstance(new_values['data']['is_enabled'], bool): |
|
294
|
|
|
raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
295
|
|
|
description='API.INVALID_IS_ENABLED') |
|
296
|
|
|
is_enabled = new_values['data']['is_enabled'] |
|
297
|
|
|
|
|
298
|
|
|
cnx = mysql.connector.connect(**config.myems_fdd_db) |
|
299
|
|
|
cursor = cnx.cursor() |
|
300
|
|
|
|
|
301
|
|
|
cursor.execute(" SELECT id " |
|
302
|
|
|
" FROM tbl_rules " |
|
303
|
|
|
" WHERE id = %s ", (id_,)) |
|
304
|
|
|
if cursor.fetchone() is None: |
|
305
|
|
|
cursor.close() |
|
306
|
|
|
cnx.disconnect() |
|
307
|
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
|
308
|
|
|
description='API.RULE_NOT_FOUND') |
|
309
|
|
|
|
|
310
|
|
|
cursor.execute(" SELECT name " |
|
311
|
|
|
" FROM tbl_rules " |
|
312
|
|
|
" WHERE name = %s AND id != %s ", (name, id_)) |
|
313
|
|
|
if cursor.fetchone() is not None: |
|
314
|
|
|
cursor.close() |
|
315
|
|
|
cnx.disconnect() |
|
316
|
|
|
raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST', |
|
317
|
|
|
description='API.RULE_NAME_IS_ALREADY_IN_USE') |
|
318
|
|
|
|
|
319
|
|
|
update_row = (" UPDATE tbl_rules " |
|
320
|
|
|
" SET name = %s, fdd_code = %s, category = %s, priority = %s, " |
|
321
|
|
|
" channel = %s, expression = %s, message_template = %s, " |
|
322
|
|
|
" is_enabled = %s " |
|
323
|
|
|
" WHERE id = %s ") |
|
324
|
|
|
cursor.execute(update_row, (name, |
|
325
|
|
|
fdd_code, |
|
326
|
|
|
category, |
|
327
|
|
|
priority, |
|
328
|
|
|
channel, |
|
329
|
|
|
expression, |
|
330
|
|
|
message_template, |
|
331
|
|
|
is_enabled, |
|
332
|
|
|
id_,)) |
|
333
|
|
|
cnx.commit() |
|
334
|
|
|
|
|
335
|
|
|
cursor.close() |
|
336
|
|
|
cnx.disconnect() |
|
337
|
|
|
|
|
338
|
|
|
resp.status = falcon.HTTP_200 |
|
339
|
|
|
|