1
|
|
|
# -*- coding: utf-8 -*- |
2
|
1 |
|
"""Provides RDB execute |
3
|
|
|
""" |
4
|
1 |
|
import os |
5
|
|
|
|
6
|
1 |
|
from sqlalchemy import create_engine |
7
|
1 |
|
from sqlalchemy.orm import sessionmaker |
8
|
1 |
|
from sqlalchemy.exc import SQLAlchemyError |
9
|
1 |
|
from sqlalchemy.orm.exc import NoResultFound |
10
|
|
|
|
11
|
1 |
|
from .models.uploaded_files_models import Base, UploadedFilesModel |
12
|
|
|
|
13
|
1 |
|
from .utils.logging import get_logger |
14
|
|
|
|
15
|
1 |
|
_logger = get_logger("rdb") |
16
|
|
|
|
17
|
|
|
|
18
|
1 |
|
class UploadedFile: |
19
|
|
|
"""Provides UploadFile Sqlite3 operation |
20
|
|
|
""" |
21
|
|
|
|
22
|
1 |
|
def __init__(self, dbname="ebook-homebrew.sqlite3", echo_log=True): |
23
|
|
|
"""Constructor |
24
|
|
|
Create Sqlite3 db file and session. |
25
|
|
|
Args: |
26
|
|
|
dbname (str): Sqlite3 db name, default is ebook-homebrew.sqlite3 |
27
|
|
|
echo_log (bool): If True, echo DB queries. |
28
|
|
|
""" |
29
|
1 |
|
self.dbname = dbname |
30
|
1 |
|
self.engine = create_engine( |
31
|
|
|
"sqlite:///{dbname}".format(dbname=self.dbname), echo=echo_log |
32
|
|
|
) |
33
|
1 |
|
Base.metadata.create_all(self.engine) |
34
|
1 |
|
if not os.path.isfile(self.dbname): |
35
|
|
|
Base.metadata.create_all(self.engine) |
36
|
1 |
|
Session = sessionmaker(bind=self.engine) |
37
|
1 |
|
self.session = Session() |
38
|
|
|
|
39
|
1 |
|
def add_uploaded_file(self, name, file_path, file_type, last_index): |
40
|
|
|
"""Insert upload file |
41
|
|
|
|
42
|
|
|
Args: |
43
|
|
|
name (str): filename |
44
|
|
|
file_path (str): file path means upload ID |
45
|
|
|
file_type (str): ContentType like Image/png |
46
|
|
|
last_index (int): file index |
47
|
|
|
|
48
|
|
|
Returns: |
49
|
|
|
None: If Success |
50
|
|
|
Raises: |
51
|
|
|
SQLAlchemyError: SQL's Error |
52
|
|
|
""" |
53
|
1 |
|
try: |
54
|
1 |
|
upload_files = UploadedFilesModel( |
55
|
|
|
name=name, |
56
|
|
|
file_path=file_path, |
57
|
|
|
file_type=file_type, |
58
|
|
|
last_index=last_index, |
59
|
|
|
) |
60
|
1 |
|
self.session.add(upload_files) |
61
|
1 |
|
self.session.commit() |
62
|
1 |
|
except SQLAlchemyError as err: |
63
|
1 |
|
_logger.exception(err) |
64
|
1 |
|
self.session.rollback() |
65
|
1 |
|
raise err |
66
|
1 |
|
except Exception as err: |
67
|
1 |
|
_logger.exception(err) |
68
|
1 |
|
self.session.rollback() |
69
|
1 |
|
raise err |
70
|
|
|
finally: |
71
|
1 |
|
self.session.close() |
72
|
|
|
|
73
|
1 |
|
def update_uploaded_file_last_index(self, table_id, last_index): |
74
|
|
|
"""Update file last index. |
75
|
|
|
|
76
|
|
|
Args: |
77
|
|
|
table_id (str): id |
78
|
|
|
last_index (int): file last index |
79
|
|
|
|
80
|
|
|
Returns: |
81
|
|
|
None: If Success |
82
|
|
|
Raises: |
83
|
|
|
SQLAlchemyError: SQL's Error |
84
|
|
|
""" |
85
|
1 |
|
try: |
86
|
1 |
|
query = self.session.query(UploadedFilesModel).with_lockmode("update") |
87
|
1 |
|
upload_file = query.filter(UploadedFilesModel.id == table_id).first() |
88
|
1 |
|
upload_file.last_index = last_index |
89
|
1 |
|
self.session.commit() |
90
|
1 |
|
except Exception as err: |
91
|
1 |
|
_logger.exception(err) |
92
|
1 |
|
self.session.rollback() |
93
|
1 |
|
raise err |
94
|
|
|
finally: |
95
|
1 |
|
self.session.close() |
96
|
|
|
|
97
|
1 |
|
def delete_uploaded_file(self, table_id): |
98
|
|
|
"""Delete uploaded file with set id |
99
|
|
|
|
100
|
|
|
Args: |
101
|
|
|
table_id (str): id |
102
|
|
|
|
103
|
|
|
Returns: |
104
|
|
|
None: If Success |
105
|
|
|
Raises: |
106
|
|
|
SQLAlchemyError: SQL's Error |
107
|
|
|
""" |
108
|
1 |
|
try: |
109
|
1 |
|
upload_file = ( |
110
|
|
|
self.session.query(UploadedFilesModel) |
111
|
|
|
.filter(UploadedFilesModel.id == table_id) |
112
|
|
|
.first() |
113
|
|
|
) |
114
|
1 |
|
self.session.delete(upload_file) |
115
|
1 |
|
self.session.commit() |
116
|
1 |
|
except Exception as err: |
117
|
1 |
|
_logger.exception(err) |
118
|
1 |
|
self.session.rollback() |
119
|
1 |
|
raise err |
120
|
|
|
finally: |
121
|
1 |
|
self.session.close() |
122
|
|
|
|
123
|
1 |
|
def get_all_uploaded_file(self): |
124
|
|
|
"""Get All uploaded files |
125
|
|
|
|
126
|
|
|
Returns: |
127
|
|
|
List[dict[int, str, str, str, int, datetime, datetime]]: uploaded files list |
128
|
|
|
Raises: |
129
|
|
|
SQLAlchemyError: SQL's Error |
130
|
|
|
""" |
131
|
1 |
|
uploaded_file_list = [] |
132
|
1 |
|
try: |
133
|
1 |
|
upload_files = self.session.query(UploadedFilesModel).all() |
134
|
1 |
|
for upload_file in upload_files: |
135
|
1 |
|
created_at = upload_file.created_at |
136
|
1 |
|
updated_at = upload_file.updated_at |
137
|
1 |
|
uploaded_file_list.append( |
138
|
|
|
{ |
139
|
|
|
"id": upload_file.id, |
140
|
|
|
"name": upload_file.name, |
141
|
|
|
"file_path": upload_file.file_path, |
142
|
|
|
"file_type": upload_file.file_type, |
143
|
|
|
"last_index": upload_file.last_index, |
144
|
|
|
"created_at": created_at.strftime("%Y-%m-%d %H:%M:%S"), |
145
|
|
|
"updated_at": updated_at.strftime("%Y-%m-%d %H:%M:%S"), |
146
|
|
|
} |
147
|
|
|
) |
148
|
1 |
|
return uploaded_file_list |
149
|
|
|
except Exception as err: |
150
|
|
|
_logger.exception(err) |
151
|
|
|
raise err |
152
|
|
|
finally: |
153
|
1 |
|
self.session.close() |
154
|
|
|
|
155
|
1 |
|
def get_uploaded_file(self, table_id): |
156
|
|
|
"""Get uploaded file |
157
|
|
|
|
158
|
|
|
Args: |
159
|
|
|
table_id (str): id |
160
|
|
|
|
161
|
|
|
Returns: |
162
|
|
|
dict[int, str, str, str, int, datetime, datetime]: uploaded file |
163
|
|
|
Raises: |
164
|
|
|
SQLAlchemyError: SQL's Error |
165
|
|
|
""" |
166
|
1 |
|
try: |
167
|
1 |
|
upload_file = ( |
168
|
|
|
self.session.query(UploadedFilesModel) |
169
|
|
|
.filter(UploadedFilesModel.id == table_id) |
170
|
|
|
.first() |
171
|
|
|
) |
172
|
1 |
|
if upload_file: |
173
|
1 |
|
created_at = upload_file.created_at |
174
|
1 |
|
updated_at = upload_file.updated_at |
175
|
1 |
|
upload_file_dict = { |
176
|
|
|
"id": upload_file.id, |
177
|
|
|
"name": upload_file.name, |
178
|
|
|
"file_path": upload_file.file_path, |
179
|
|
|
"file_type": upload_file.file_type, |
180
|
|
|
"last_index": upload_file.last_index, |
181
|
|
|
"created_at": created_at.strftime("%Y-%m-%d %H:%M:%S"), |
182
|
|
|
"updated_at": updated_at.strftime("%Y-%m-%d %H:%M:%S"), |
183
|
|
|
} |
184
|
|
|
else: |
185
|
1 |
|
upload_file_dict = {} |
186
|
1 |
|
return upload_file_dict |
187
|
|
|
except Exception as err: |
188
|
|
|
_logger.exception(err) |
189
|
|
|
raise err |
190
|
|
|
finally: |
191
|
|
|
self.session.close() |
192
|
|
|
|