core.contact

Complexity

Total Complexity

77

Size/Duplication

Total Lines	415
Duplicated Lines	15.9 %

Importance

Changes

0

9 Methods

Rating	Name	Duplication	Size	Complexity
B	ContactCollection.on_get()	32	32	7
A	ContactCollection.__init__()	0	3	1
B	ContactItem.on_get()	34	34	7
A	ContactItem.__init__()	0	3	1
A	ContactItem.on_options()	0	5	1
A	ContactCollection.on_options()	0	4	1
F	ContactCollection.on_post()	0	76	16
F	ContactItem.on_delete()	0	149	24
F	ContactItem.on_put()	0	88	19

import re
import uuid
import falcon
import mysql.connector
import simplejson as json
from core.useractivity import user_logger, admin_control, access_control, api_key_control
import config


class ContactCollection:
    def __init__(self):
        """"Initializes ContactCollection"""
        pass

    @staticmethod
    def on_options(req, resp):
        _ = req
        resp.status = falcon.HTTP_200

    @staticmethod

This code seems to be duplicated in your project.

    def on_get(req, resp):
        if 'API-KEY' not in req.headers or \
                not isinstance(req.headers['API-KEY'], str) or \
                len(str.strip(req.headers['API-KEY'])) == 0:
            access_control(req)
        else:
            api_key_control(req)
        cnx = mysql.connector.connect(**config.myems_system_db)
        cursor = cnx.cursor()

        query = (" SELECT id, name, uuid, "
                 "        email, phone, description "
                 " FROM tbl_contacts "
                 " ORDER BY name ")
        cursor.execute(query)
        rows = cursor.fetchall()
        cursor.close()
        cnx.close()

        result = list()
        if rows is not None and len(rows) > 0:
            for row in rows:
                meta_result = {"id": row[0],
                               "name": row[1],
                               "uuid": row[2],
                               "email": row[3],
                               "phone": row[4],
                               "description": row[5]}
                result.append(meta_result)

        resp.text = json.dumps(result)

    @staticmethod
    @user_logger
    def on_post(req, resp):
        """Handles POST requests"""
        admin_control(req)
        try:
            raw_json = req.stream.read().decode('utf-8')
        except Exception as ex:
            print(ex)
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.FAILED_TO_READ_REQUEST_STREAM')

        new_values = json.loads(raw_json)

        if 'name' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['name'], str) or \
                len(str.strip(new_values['data']['name'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_USER_NAME')
        name = str.strip(new_values['data']['name'])

        if 'email' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['email'], str) or \
                len(str.strip(new_values['data']['email'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL')
        email = str.lower(str.strip(new_values['data']['email']))

        match = re.match(r'^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', email)
        if match is None:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL')

        if 'phone' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['phone'], str) or \
                len(str.strip(new_values['data']['phone'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_USER_PHONE')
        phone = str.strip(new_values['data']['phone'])

        if 'description' in new_values['data'].keys() and \
                new_values['data']['description'] is not None and \
                len(str(new_values['data']['description'])) > 0:
            description = str.strip(new_values['data']['description'])
        else:
            description = None

        cnx = mysql.connector.connect(**config.myems_system_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT name "
                       " FROM tbl_contacts "
                       " WHERE name = %s ", (name,))
        if cursor.fetchone() is not None:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.CONTACT_NAME_IS_ALREADY_IN_USE')

        add_row = (" INSERT INTO tbl_contacts "
                   "     (name, uuid, email, phone, description) "
                   " VALUES (%s, %s, %s, %s, %s) ")

        cursor.execute(add_row, (name,
                                 str(uuid.uuid4()),
                                 email,
                                 phone,
                                 description))
        new_id = cursor.lastrowid
        cnx.commit()
        cursor.close()
        cnx.close()

        resp.status = falcon.HTTP_201
        resp.location = '/contacts/' + str(new_id)


class ContactItem:
    def __init__(self):
        """"Initializes ContactItem"""
        pass

    @staticmethod
    def on_options(req, resp, id_):
        _ = id_
        _ = req
        resp.status = falcon.HTTP_200

    @staticmethod

This code seems to be duplicated in your project.

    def on_get(req, resp, id_):
        if 'API-KEY' not in req.headers or \
                not isinstance(req.headers['API-KEY'], str) or \
                len(str.strip(req.headers['API-KEY'])) == 0:
            access_control(req)
        else:
            api_key_control(req)
        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_CONTACT_ID')

        cnx = mysql.connector.connect(**config.myems_system_db)
        cursor = cnx.cursor()

        query = (" SELECT id, name, uuid, email, phone, description "
                 " FROM tbl_contacts "
                 " WHERE id = %s ")
        cursor.execute(query, (id_,))
        row = cursor.fetchone()
        cursor.close()
        cnx.close()

        if row is None:
            raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
                                   description='API.CONTACT_NOT_FOUND')

        result = {"id": row[0],
                  "name": row[1],
                  "uuid": row[2],
                  "email": row[3],
                  "phone": row[4],
                  "description": row[5]}
        resp.text = json.dumps(result)

    @staticmethod
    @user_logger
    def on_delete(req, resp, id_):
        admin_control(req)
        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_CONTACT_ID')

        cnx = mysql.connector.connect(**config.myems_system_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT name "
                       " FROM tbl_contacts "
                       " WHERE id = %s ", (id_,))
        if cursor.fetchone() is None:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
                                   description='API.CONTACT_NOT_FOUND')

        # check relation with shopfloors
        cursor.execute(" SELECT id "
                       " FROM tbl_shopfloors "
                       " WHERE contact_id = %s ", (id_,))
        rows_shopfloors = cursor.fetchall()
        if rows_shopfloors is not None and len(rows_shopfloors) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_SHOPFLOORS')

        # check relation with spaces
        cursor.execute(" SELECT id "
                       " FROM tbl_spaces "
                       " WHERE contact_id = %s ", (id_,))
        rows_spaces = cursor.fetchall()
        if rows_spaces is not None and len(rows_spaces) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_SPACES')

        # check relation with stores
        cursor.execute(" SELECT id "
                       " FROM tbl_stores "
                       " WHERE contact_id = %s ", (id_,))
        rows_stores = cursor.fetchall()
        if rows_stores is not None and len(rows_stores) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_STORES')

        # check relation with tenants
        cursor.execute(" SELECT id "
                       " FROM tbl_tenants "
                       " WHERE contact_id = %s ", (id_,))
        rows_tenants = cursor.fetchall()
        if rows_tenants is not None and len(rows_tenants) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_TENANTS')

        # check relation with charging_stations
        cursor.execute(" SELECT id "
                       " FROM tbl_charging_stations "
                       " WHERE contact_id = %s ", (id_,))
        rows_charging_stations = cursor.fetchall()
        if rows_charging_stations is not None and len(rows_charging_stations) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_CHARGING_STATIONS')

        # check relation with energy_storage_containers
        cursor.execute(" SELECT id "
                       " FROM tbl_energy_storage_containers "
                       " WHERE contact_id = %s ", (id_,))
        rows_energy_storage_containers = cursor.fetchall()
        if rows_energy_storage_containers is not None and len(rows_energy_storage_containers) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_ENERGY_STORAGE_CONTAINERS')


        # check relation with energy_storage_power_stations
        cursor.execute(" SELECT id "
                       " FROM tbl_energy_storage_power_stations "
                       " WHERE contact_id = %s ", (id_,))
        rows_energy_storage_power_stations = cursor.fetchall()
        if rows_energy_storage_power_stations is not None and len(rows_energy_storage_power_stations) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_ENERGY_STORAGE_POWER_STATIONS')

        # check relation with microgrids
        cursor.execute(" SELECT id "
                       " FROM tbl_microgrids "
                       " WHERE contact_id = %s ", (id_,))
        rows_microgrids = cursor.fetchall()
        if rows_microgrids is not None and len(rows_microgrids) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_MICROGRIDS')

        # check relation with photovoltaic_power_stations
        cursor.execute(" SELECT id "
                       " FROM tbl_photovoltaic_power_stations "
                       " WHERE contact_id = %s ", (id_,))
        rows_photovoltaic_power_stations = cursor.fetchall()
        if rows_photovoltaic_power_stations  is not None and len(rows_photovoltaic_power_stations) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_PHOTOVOLTAIC_POWER_STATIONS')

        #check relation with wind_farms
        cursor.execute(" SELECT id "
                       " FROM tbl_wind_farms "
                       " WHERE contact_id = %s ", (id_,))
        rows_wind_farms = cursor.fetchall()
        if rows_wind_farms is not None and len(rows_wind_farms) > 0:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.THERE_IS_RELATION_WITH_WIND_FARMS')


        cursor.execute(" DELETE FROM tbl_contacts WHERE id = %s ", (id_,))
        cnx.commit()

        cursor.close()
        cnx.close()

        resp.status = falcon.HTTP_204

    @staticmethod
    @user_logger
    def on_put(req, resp, id_):
        """Handles PUT requests"""
        admin_control(req)
        try:
            raw_json = req.stream.read().decode('utf-8')
        except Exception as ex:
            print(ex)
            raise falcon.HTTPError(status=falcon.HTTP_400,
                                   title='API.BAD_REQUEST',
                                   description='API.FAILED_TO_READ_REQUEST_STREAM')

        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_CONTACT_ID')

        new_values = json.loads(raw_json)

        if 'name' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['name'], str) or \
                len(str.strip(new_values['data']['name'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_CONTACT_NAME')
        name = str.strip(new_values['data']['name'])

        if 'email' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['email'], str) or \
                len(str.strip(new_values['data']['email'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL')
        email = str.lower(str.strip(new_values['data']['email']))

        match = re.match(r'^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', email)
        if match is None:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL')

        if 'phone' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['phone'], str) or \
                len(str.strip(new_values['data']['phone'])) == 0:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_USER_PHONE')
        phone = str.strip(new_values['data']['phone'])

        if 'description' in new_values['data'].keys() and \
                new_values['data']['description'] is not None and \
                len(str(new_values['data']['description'])) > 0:
            description = str.strip(new_values['data']['description'])
        else:
            description = None

        cnx = mysql.connector.connect(**config.myems_system_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT name "
                       " FROM tbl_contacts "
                       " WHERE id = %s ", (id_,))
        if cursor.fetchone() is None:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
                                   description='API.CONTACT_NOT_FOUND')

        cursor.execute(" SELECT name "
                       " FROM tbl_contacts "
                       " WHERE name = %s AND id != %s ", (name, id_))
        if cursor.fetchone() is not None:
            cursor.close()
            cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.CONTACT_NAME_IS_ALREADY_IN_USE')

        update_row = (" UPDATE tbl_contacts "
                      " SET name = %s, email = %s, "
                      "     phone = %s, description = %s "
                      " WHERE id = %s ")
        cursor.execute(update_row, (name,
                                    email,
                                    phone,
                                    description,
                                    id_,))
        cnx.commit()

        cursor.close()
        cnx.close()

        resp.status = falcon.HTTP_200