core.datarepairfile.DataRepairFileItem.on_get() - Code Metrics - Inspection of "Merge branch 'develop'" - MyEMS/myems - Measure and Improve Code Quality continuously with Scrutinizer

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created 2025-12-17 14:15 UTC

core.datarepairfile.DataRepairFileItem.on_get() B

↳ Parent: core.datarepairfile

Complexity

Conditions

Size

Total Lines	33
Code Lines	27

Duplication

Lines	33
Ratio	100 %

Importance

Changes

Metric	Value
eloc	27
dl	33
loc	33
rs	8.7653
c	0
b	0
f	0
cc	5
nop	3

import os
import uuid
from datetime import datetime, timezone, timedelta
import falcon
import mysql.connector
import simplejson as json
from core.useractivity import user_logger, admin_control
import config


class DataRepairFileCollection:

    def __init__(self):
        pass

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

    @staticmethod
    def on_get(req, resp):
        admin_control(req)
        cnx = mysql.connector.connect(**config.myems_historical_db)
        cursor = cnx.cursor()

        query = (" SELECT id, file_name, uuid, upload_datetime_utc, status "
                 " FROM tbl_data_repair_files "
                 " ORDER BY upload_datetime_utc desc ")
        cursor.execute(query)
        rows = cursor.fetchall()
        cursor.close()
        cnx.close()

        timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
        if config.utc_offset[0] == '-':
            timezone_offset = -timezone_offset

        result = list()
        if rows is not None and len(rows) > 0:
            for row in rows:
                meta_result = {"id": row[0],
                               "file_name": row[1],
                               "uuid": row[2],
                               "upload_datetime": (row[3].replace(tzinfo=timezone.utc)
                                                   + timedelta(minutes=timezone_offset)).isoformat()[0:19],
                               "status": row[4]}
                result.append(meta_result)

        resp.text = json.dumps(result)

    @staticmethod
    @user_logger
    def on_post(req, resp):
        """Handles POST requests"""
        admin_control(req)
        try:
            upload = req.get_param('file')
            # Read upload file as binary
            raw_blob = upload.file.read()

            # Retrieve filename
            filename = upload.filename
            file_uuid = str(uuid.uuid4())

            # Define file_path
            file_path = os.path.join(config.upload_path, file_uuid)

            # Write to a temporary file to prevent incomplete files from being used.
            with open(file_path + '~', 'wb') as f:
                f.write(raw_blob)

            # Now that we know the file has been fully saved to disk move it into place.
            os.rename(file_path + '~', file_path)
        except OSError as ex:
            print("Failed to stream request")
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
                                   description='API.FAILED_TO_UPLOAD_DATA_REPAIR_FILE')
        except Exception as ex:
            print(str(ex))
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
                                   description='API.FAILED_TO_UPLOAD_DATA_REPAIR_FILE')

        # Verify User Session
        token = req.headers.get('TOKEN')
        user_uuid = req.headers.get('USER-UUID')
        if token is None:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.TOKEN_NOT_FOUND_IN_HEADERS_PLEASE_LOGIN')
        if user_uuid is None:
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.USER_UUID_NOT_FOUND_IN_HEADERS_PLEASE_LOGIN')

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

        query = (" SELECT utc_expires "
                 " FROM tbl_sessions "
                 " WHERE user_uuid = %s AND token = %s")
        cursor.execute(query, (user_uuid, token,))
        row = cursor.fetchone()

        if row is None:
            if cursor:
                cursor.close()
            if cnx:
                cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_SESSION_PLEASE_RE_LOGIN')
        else:
            utc_expires = row[0]
            if datetime.utcnow() > utc_expires:
                if cursor:
                    cursor.close()
                if cnx:
                    cnx.close()
                raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                       description='API.USER_SESSION_TIMEOUT')

        cursor.execute(" SELECT id "
                       " FROM tbl_users "
                       " WHERE uuid = %s ",
                       (user_uuid,))
        row = cursor.fetchone()
        if row is None:
            if cursor:
                cursor.close()
            if cnx:
                cnx.close()
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_USER_PLEASE_RE_LOGIN')

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

        add_values = (" INSERT INTO tbl_data_repair_files "
                      " (file_name, uuid, upload_datetime_utc, status, file_object ) "
                      " VALUES (%s, %s, %s, %s, %s) ")
        cursor.execute(add_values, (filename,
                                    file_uuid,
                                    datetime.utcnow(),
                                    'new',
                                    raw_blob))
        new_id = cursor.lastrowid
        cnx.commit()
        cursor.close()
        cnx.close()

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


class DataRepairFileItem:

    def __init__(self):
        pass

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

    @staticmethod
    def on_get(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_DATA_REPAIR_FILE_ID')

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

        query = (" SELECT id, file_name, uuid, upload_datetime_utc, status "
                 " FROM tbl_data_repair_files "
                 " 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.DATA_REPAIR_FILE_NOT_FOUND')

        timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
        if config.utc_offset[0] == '-':
            timezone_offset = -timezone_offset

        result = {"id": row[0],
                  "file_name": row[1],
                  "uuid": row[2],
                  "upload_datetime": (row[3].replace(tzinfo=timezone.utc)
                                      + timedelta(minutes=timezone_offset)).isoformat()[0:19],
                  "status": row[4]}
        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_DATA_REPAIR_FILE_ID')

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

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

        try:
            file_uuid = row[0]
            # Define file_path
            file_path = os.path.join(config.upload_path, file_uuid)

            # remove the file from disk
            os.remove(file_path)
        except OSError as ex:
            print("Failed to stream request")
        except Exception as ex:
            print(str(ex))
            # ignore exception and don't return API.DATA_REPAIR_FILE_NOT_FOUND error
            pass

        # Note: the energy data imported from the deleted file will not be deleted
        cursor.execute(" DELETE FROM tbl_data_repair_files WHERE id = %s ", (id_,))
        cnx.commit()

        cursor.close()
        cnx.close()

        resp.status = falcon.HTTP_204


class DataRepairFileRestore:

    def __init__(self):
        pass

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

    @staticmethod
    def on_get(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_DATA_REPAIR_FILE_ID')

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

        query = (" SELECT uuid, file_object "
                 " FROM tbl_data_repair_files "
                 " 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.DATA_REPAIR_FILE_NOT_FOUND')

        result = {"uuid": row[0],
                  "file_object": row[1]}
        try:
            raw_blob = result["file_object"]
            file_uuid = result["uuid"]

            # Define file_path
            file_path = os.path.join(config.upload_path, file_uuid)

            # Write to a temporary file to prevent incomplete files from
            # being used.
            temp_file_path = file_path + '~'

            with open(temp_file_path, 'wb') as f:
                f.write(raw_blob)

            # Now that we know the file has been fully saved to disk
            # move it into place.
            os.replace(temp_file_path, file_path)
        except OSError as ex:
            print("Failed to stream request")
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
                                   description='API.FAILED_TO_RESTORE_DATA_REPAIR_FILE')
        except Exception as ex:
            print(str(ex))
            raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
                                   description='API.FAILED_TO_RESTORE_DATA_REPAIR_FILE')
        resp.text = json.dumps('success')


1		import os
2		import uuid
3		from datetime import datetime, timezone, timedelta
4		import falcon
5		import mysql.connector
6		import simplejson as json
7		from core.useractivity import user_logger, admin_control
8		import config
9
10
11	View Code Duplication	class DataRepairFileCollection:
		0 ignored issues – show Duplication introduced 2022-07-20 10:56 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
12		def __init__(self):
13		pass
14
15		@staticmethod
16		def on_options(req, resp):
17		_ = req
18		resp.status = falcon.HTTP_200
19
20		@staticmethod
21		def on_get(req, resp):
22		admin_control(req)
23		cnx = mysql.connector.connect(**config.myems_historical_db)
24		cursor = cnx.cursor()
25
26		query = (" SELECT id, file_name, uuid, upload_datetime_utc, status "
27		" FROM tbl_data_repair_files "
28		" ORDER BY upload_datetime_utc desc ")
29		cursor.execute(query)
30		rows = cursor.fetchall()
31		cursor.close()
32		cnx.close()
33
34		timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
35		if config.utc_offset[0] == '-':
36		timezone_offset = -timezone_offset
37
38		result = list()
39		if rows is not None and len(rows) > 0:
40		for row in rows:
41		meta_result = {"id": row[0],
42		"file_name": row[1],
43		"uuid": row[2],
44		"upload_datetime": (row[3].replace(tzinfo=timezone.utc)
45		+ timedelta(minutes=timezone_offset)).isoformat()[0:19],
46		"status": row[4]}
47		result.append(meta_result)
48
49		resp.text = json.dumps(result)
50
51		@staticmethod
52		@user_logger
53		def on_post(req, resp):
54		"""Handles POST requests"""
55		admin_control(req)
56		try:
57		upload = req.get_param('file')
58		# Read upload file as binary
59		raw_blob = upload.file.read()
60
61		# Retrieve filename
62		filename = upload.filename
63		file_uuid = str(uuid.uuid4())
64
65		# Define file_path
66		file_path = os.path.join(config.upload_path, file_uuid)
67
68		# Write to a temporary file to prevent incomplete files from being used.
69		with open(file_path + '~', 'wb') as f:
70		f.write(raw_blob)
71
72		# Now that we know the file has been fully saved to disk move it into place.
73		os.rename(file_path + '~', file_path)
74		except OSError as ex:
75		print("Failed to stream request")
76		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
77		description='API.FAILED_TO_UPLOAD_DATA_REPAIR_FILE')
78		except Exception as ex:
79		print(str(ex))
80		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
81		description='API.FAILED_TO_UPLOAD_DATA_REPAIR_FILE')
82
83		# Verify User Session
84		token = req.headers.get('TOKEN')
85		user_uuid = req.headers.get('USER-UUID')
86		if token is None:
87		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
88		description='API.TOKEN_NOT_FOUND_IN_HEADERS_PLEASE_LOGIN')
89		if user_uuid is None:
90		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
91		description='API.USER_UUID_NOT_FOUND_IN_HEADERS_PLEASE_LOGIN')
92
93		cnx = mysql.connector.connect(**config.myems_user_db)
94		cursor = cnx.cursor()
95
96		query = (" SELECT utc_expires "
97		" FROM tbl_sessions "
98		" WHERE user_uuid = %s AND token = %s")
99		cursor.execute(query, (user_uuid, token,))
100		row = cursor.fetchone()
101
102		if row is None:
103		if cursor:
104		cursor.close()
105		if cnx:
106		cnx.close()
107		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
108		description='API.INVALID_SESSION_PLEASE_RE_LOGIN')
109		else:
110		utc_expires = row[0]
111		if datetime.utcnow() > utc_expires:
112		if cursor:
113		cursor.close()
114		if cnx:
115		cnx.close()
116		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
117		description='API.USER_SESSION_TIMEOUT')
118
119		cursor.execute(" SELECT id "
120		" FROM tbl_users "
121		" WHERE uuid = %s ",
122		(user_uuid,))
123		row = cursor.fetchone()
124		if row is None:
125		if cursor:
126		cursor.close()
127		if cnx:
128		cnx.close()
129		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
130		description='API.INVALID_USER_PLEASE_RE_LOGIN')
131
132		cnx = mysql.connector.connect(**config.myems_historical_db)
133		cursor = cnx.cursor()
134
135		add_values = (" INSERT INTO tbl_data_repair_files "
136		" (file_name, uuid, upload_datetime_utc, status, file_object ) "
137		" VALUES (%s, %s, %s, %s, %s) ")
138		cursor.execute(add_values, (filename,
139		file_uuid,
140		datetime.utcnow(),
141		'new',
142		raw_blob))
143		new_id = cursor.lastrowid
144		cnx.commit()
145		cursor.close()
146		cnx.close()
147
148		resp.status = falcon.HTTP_201
149		resp.location = '/datarepairfiles/' + str(new_id)
150
151
152	View Code Duplication	class DataRepairFileItem:
		0 ignored issues – show Duplication introduced 2022-07-20 10:56 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
153		def __init__(self):
154		pass
155
156		@staticmethod
157		def on_options(req, resp, id_):
158		_ = req
159		resp.status = falcon.HTTP_200
160		_ = id_
161
162		@staticmethod
163		def on_get(req, resp, id_):
164		admin_control(req)
165		if not id_.isdigit() or int(id_) <= 0:
166		raise falcon.HTTPError(status=falcon.HTTP_400,
167		title='API.BAD_REQUEST',
168		description='API.INVALID_DATA_REPAIR_FILE_ID')
169
170		cnx = mysql.connector.connect(**config.myems_historical_db)
171		cursor = cnx.cursor()
172
173		query = (" SELECT id, file_name, uuid, upload_datetime_utc, status "
174		" FROM tbl_data_repair_files "
175		" WHERE id = %s ")
176		cursor.execute(query, (id_,))
177		row = cursor.fetchone()
178		cursor.close()
179		cnx.close()
180		if row is None:
181		raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
182		description='API.DATA_REPAIR_FILE_NOT_FOUND')
183
184		timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6])
185		if config.utc_offset[0] == '-':
186		timezone_offset = -timezone_offset
187
188		result = {"id": row[0],
189		"file_name": row[1],
190		"uuid": row[2],
191		"upload_datetime": (row[3].replace(tzinfo=timezone.utc)
192		+ timedelta(minutes=timezone_offset)).isoformat()[0:19],
193		"status": row[4]}
194		resp.text = json.dumps(result)
195
196		@staticmethod
197		@user_logger
198		def on_delete(req, resp, id_):
199		admin_control(req)
200		if not id_.isdigit() or int(id_) <= 0:
201		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
202		description='API.INVALID_DATA_REPAIR_FILE_ID')
203
204		cnx = mysql.connector.connect(**config.myems_historical_db)
205		cursor = cnx.cursor()
206
207		cursor.execute(" SELECT uuid "
208		" FROM tbl_data_repair_files "
209		" WHERE id = %s ", (id_,))
210		row = cursor.fetchone()
211		if row is None:
212		cursor.close()
213		cnx.close()
214		raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
215		description='API.DATA_REPAIR_FILE_NOT_FOUND')
216
217		try:
218		file_uuid = row[0]
219		# Define file_path
220		file_path = os.path.join(config.upload_path, file_uuid)
221
222		# remove the file from disk
223		os.remove(file_path)
224		except OSError as ex:
225		print("Failed to stream request")
226		except Exception as ex:
227		print(str(ex))
228		# ignore exception and don't return API.DATA_REPAIR_FILE_NOT_FOUND error
229		pass
230
231		# Note: the energy data imported from the deleted file will not be deleted
232		cursor.execute(" DELETE FROM tbl_data_repair_files WHERE id = %s ", (id_,))
233		cnx.commit()
234
235		cursor.close()
236		cnx.close()
237
238		resp.status = falcon.HTTP_204
239
240
241	View Code Duplication	class DataRepairFileRestore:
		0 ignored issues – show Duplication introduced 2022-07-20 10:56 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
242		def __init__(self):
243		pass
244
245		@staticmethod
246		def on_options(req, resp, id_):
247		_ = req
248		resp.status = falcon.HTTP_200
249		_ = id_
250
251		@staticmethod
252		def on_get(req, resp, id_):
253		admin_control(req)
254		if not id_.isdigit() or int(id_) <= 0:
255		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST',
256		description='API.INVALID_DATA_REPAIR_FILE_ID')
257
258		cnx = mysql.connector.connect(**config.myems_historical_db)
259		cursor = cnx.cursor()
260
261		query = (" SELECT uuid, file_object "
262		" FROM tbl_data_repair_files "
263		" WHERE id = %s ")
264		cursor.execute(query, (id_,))
265		row = cursor.fetchone()
266		cursor.close()
267		cnx.close()
268
269		if row is None:
270		raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND',
271		description='API.DATA_REPAIR_FILE_NOT_FOUND')
272
273		result = {"uuid": row[0],
274		"file_object": row[1]}
275		try:
276		raw_blob = result["file_object"]
277		file_uuid = result["uuid"]
278
279		# Define file_path
280		file_path = os.path.join(config.upload_path, file_uuid)
281
282		# Write to a temporary file to prevent incomplete files from
283		# being used.
284		temp_file_path = file_path + '~'
285
286		with open(temp_file_path, 'wb') as f:
287		f.write(raw_blob)
288
289		# Now that we know the file has been fully saved to disk
290		# move it into place.
291		os.replace(temp_file_path, file_path)
292		except OSError as ex:
293		print("Failed to stream request")
294		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
295		description='API.FAILED_TO_RESTORE_DATA_REPAIR_FILE')
296		except Exception as ex:
297		print(str(ex))
298		raise falcon.HTTPError(status=falcon.HTTP_400, title='API.ERROR',
299		description='API.FAILED_TO_RESTORE_DATA_REPAIR_FILE')
300		resp.text = json.dumps('success')
301

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core.datarepairfile.DataRepairFileItem.on_get() B

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