-
Notifications
You must be signed in to change notification settings - Fork 6
Expand file tree
/
Copy pathserver.py
More file actions
182 lines (129 loc) · 4.97 KB
/
server.py
File metadata and controls
182 lines (129 loc) · 4.97 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
from functools import wraps
from flask import Flask, jsonify, request, render_template, send_from_directory
from marshmallow import ValidationError
from werkzeug.exceptions import BadRequest
from data.access import ApiError, database
from common import batchClassesSchema
def add_cors_headers(response):
response.headers['Access-Control-Allow-Origin'] = '*'
response.headers['Access-Control-Allow-Methods'] = '*'
response.headers['Access-Control-Allow-Headers'] = '*'
return response
# Flask config
application = Flask(
__name__,
# template_folder='frontend/templates',
# static_folder='frontend/static'
)
application.config['JSON_SORT_KEYS'] = False
application.url_map.strict_slashes = False
application.after_request(add_cors_headers)
# @application.route('/docs/<path:filename>')
# def static_docs(filename):
# return send_from_directory('docs', filename)
# @application.route('/')
# def idx():
# return render_template('index.html')
def load_and_validate_body(schema):
'''
Loads, validates, and returns the JSON body from a request,
raising errors as appropriate,
'''
if not request.is_json:
raise ApiError(400, 'JSON body not specified.')
try:
return schema.load(request.json)
except BadRequest as e:
raise ApiError(400, 'Invalid JSON provided in body.')
except ValidationError as e:
raise ApiError(400, f'Request data format has not been followed: {str(e)}')
def campus_api(path: str, methods=None):
def decorator(func):
@application.route(f'/<campus>/{path}', methods=(methods or ['GET']))
@wraps(func)
def api(campus, *args, **kwargs):
try:
year = request.args.get('year')
quarter = request.args.get('quarter')
if year and not quarter or quarter and not year:
raise ApiError(
404,
'Both year and quarter have to be specified!'
)
if not (year and quarter):
current_term = database.current_term(campus)
year = current_term['year']
quarter = current_term['term']
try:
db = database.load(campus, year, quarter)
ret = func(db, *args, **kwargs)
except FileNotFoundError:
raise ApiError(
404,
'Data for requested campus, year, and quarter combo does not exist.'
)
if ret is None or (isinstance(ret, list) and len(ret) == 0):
raise ApiError(404, 'No results')
except ApiError as e:
return jsonify({'error': e.message}), e.status
return jsonify(ret), 200
return api
return decorator
@application.route('/<campus>')
def api_campus(campus):
try:
ret = database.campus_info(campus)
except ApiError as e:
return jsonify({'error': e.message}), e.status
return jsonify(ret), 200
@campus_api('courses')
def api_courses(db):
return database.all_courses(db)
@campus_api('classes')
def api_classes(db):
return database.all_classes(db)
@campus_api('classes', methods=['POST'])
def api_batch_classes(db):
'''
POST /:campus/classes
Batch request for classes at a campus
'''
body = load_and_validate_body(batchClassesSchema)
resources = body.get('resources')
def get_resource(resource):
crn = resource.get('CRN')
dept = resource.get('dept')
course = resource.get('course')
if crn:
data = database.one_class_by_crn(db, crn)
elif dept and course:
data = database.all_classes_in_course(db, dept, course)
elif dept:
data = database.all_classes_in_dept(db, dept)
else:
return {'status': 'error', 'error': 'At least "CRN" or "dept" have to be specified.'}
return {'status': 'success', 'data': data}
return {'resources': [get_resource(resource) for resource in resources]}
@campus_api('classes/<crn>')
def api_classes_by_crn(db, crn):
return database.one_class_by_crn(db, int(crn))
@campus_api('depts')
def api_depts(db):
return database.all_depts(db)
@campus_api('depts/<dept>')
def api_dept(db, dept):
return database.one_dept(db, dept)
@campus_api('depts/<dept>/classes')
def api_dept_classes(db, dept):
return database.all_classes_in_dept(db, dept)
@campus_api('depts/<dept>/courses')
def api_dept_courses(db, dept):
return database.all_courses_in_dept(db, dept)
@campus_api('depts/<dept>/courses/<course>')
def api_dept_course(db, dept, course):
return database.one_course(db, dept, course)
@campus_api('depts/<dept>/courses/<course>/classes')
def api_dept_course_classes(db, dept, course):
return database.all_classes_in_course(db, dept, course)
if __name__ == '__main__':
application.run(host='0.0.0.0', port=5001, debug=True, threaded=True)