-
Notifications
You must be signed in to change notification settings - Fork 0
/
tastebudz_api.py
executable file
·311 lines (285 loc) · 12.9 KB
/
tastebudz_api.py
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
import logging, os, requests, json
import endpoints
from google.appengine.api import memcache
from google.appengine.ext import ndb
from protorpc import messages, remote
from oauth2client.service_account import ServiceAccountCredentials
from requests_toolbelt.adapters import appengine
from cloud_data import Item as DB_Item, Restaurant, Waiter as DB_Waiter
package = 'Tastebudz'
appengine.monkeypatch()
# Different message classes
class Item(messages.Message):
course_name = messages.StringField(1, repeated=True)
item_name = messages.StringField(2, repeated=True)
description = messages.StringField(3, repeated=True)
ingredients = messages.StringField(4, repeated=True)
calories = messages.IntegerField(5, repeated=True, variant=messages.Variant.INT32)
price = messages.FloatField(6, repeated=True)
image_key = messages.StringField(7, repeated=True)
class UploadItem(messages.Message):
course_name = messages.StringField(1, required=True)
item_name = messages.StringField(2, required=True)
description = messages.StringField(3)
ingredients = messages.StringField(4)
calories = messages.IntegerField(5, variant=messages.Variant.INT32)
price = messages.FloatField(6)
image_key = messages.StringField(7)
res_name = messages.StringField(8, required=True)
initial_name = messages.StringField(9)
class MenuCollection(messages.Message):
menu_names = messages.StringField(1, repeated=True)
coordinates = messages.FloatField(2, repeated=True)
presentation = messages.StringField(3, repeated=True)
class OrderRequest(messages.Message):
restaurant = messages.StringField(1, required=True)
order_id = messages.StringField(2, required=True)
order = messages.StringField(3, required=True)
class Waiter(messages.Message):
restaurant = messages.StringField(1, required=True)
reg_id = messages.StringField(2, required=True)
group_num = messages.IntegerField(3, required=True, variant=messages.Variant.INT32)
class Response(messages.Message):
response=messages.BooleanField(1, required=True)
# access token method
def _get_access_token():
FCM_SCOPE = 'https://www.googleapis.com/auth/firebase.messaging'
credentials = ServiceAccountCredentials.from_json_keyfile_name(path, FCM_SCOPE)
access_token_info = credentials.get_access_token()
return access_token_info.access_token
@endpoints.api(name='backend', version='v1')
class TasteBudzApi(remote.Service):
# Delete item when creating menu
@endpoints.method(UploadItem, Response,
path='tastebudz/delete/item', http_method='POST',
name='generator.deleteItem')
def delete_item(self, request):
result = DB_Item.query(ndb.AND(DB_Item.res_name == request.res_name,
DB_Item.item_name == request.item_name)).fetch()
RESPONSE = Response()
if len(result) == 0:
logging.info('Attempted to delete ' + request.item_name
+ ' for ' + request.res_name + '. No items returned.')
RESPONSE.response = False
else:
item = result[0]
item.key.delete()
logging.info('Deleted ' + item.item_name + ' for ' + request.res_name)
RESPONSE.response = True
return RESPONSE
# Add item when creating menu
@endpoints.method(UploadItem, Response,
path='tastebudz/add/item', http_method='POST',
name='generator.addItem')
def add_item(self, request):
result = DB_Item.query(ndb.AND(DB_Item.res_name == request.res_name,
DB_Item.item_name == request.initial_name)).fetch()
if len(result) == 0:
item = DB_Item()
item.res_name = request.res_name
item.course_name = request.course_name
else:
item = result[0]
item.item_name = request.item_name
item.description = request.description
item.ingredients = request.ingredients
item.calories = request.calories
item.price = request.price
key = item.put()
if len(result) == 0:
logging.info(request.item_name + ' created for ' + request.res_name + '. ID: ' + str(key.id()))
else:
logging.info(request.item_name + ' updated for ' + request.res_name + '. ID: ' + str(key.id()))
RESPONSE = Response()
RESPONSE.response = True
return RESPONSE
# Delete course when creating menu
@endpoints.method(UploadItem, Response,
path='tastebudz/delete/course', http_method='POST',
name='generator.deleteCourse')
def delete_course(self, request):
logging.info('Deleting ' + request.course_name
+ ' for ' + request.res_name)
items = DB_Item.query(ndb.AND(DB_Item.res_name == request.res_name,
DB_Item.course_name == request.course_name)).fetch()
RESPONSE = Response()
for item in items:
item.key.delete()
logging.info('Deleted ' + item.item_name + ' for ' + request.res_name)
menu = Restaurant.query(Restaurant.name == request.res_name).fetch()
if len(menu)>0:
new_pres_order = menu[0].presentation
new_pres_order.remove(request.course_name)
menu[0].presentation = new_pres_order
menu[0].put()
RESPONSE.response = True
else:
RESPONSE.response = False
return RESPONSE
# Add course when creating menu
@endpoints.method(UploadItem, Response,
path='tastebudz/add/course', http_method='POST',
name='generator.addCourse')
def add_course(self, request):
RESPONSE = Response()
menu_list = Restaurant.query(Restaurant.name == request.res_name).fetch()
if len(menu_list)>0:
menu = menu_list[0]
new_pres_order = menu.presentation
new_pres_order.append(request.course_name)
menu.presentation = new_pres_order
menu.put()
logging.info(request.course_name + ' created for ' + request.res_name)
RESPONSE.response = True
else:
RESPONSE.response = False
return RESPONSE
# Create menu by creating menu name
MENU_ID = endpoints.ResourceContainer(menu_name=messages.StringField(1))
@endpoints.method(MENU_ID, Response,
path='tastebudz/menu/create/{menu_name}', http_method='GET',
name='menu.createMenu')
def create_menu(self, request):
RESPONSE = Response()
restaurant = Restaurant()
restaurant.name = request.menu_name
restaurant.presentation = []
key = restaurant.put()
logging.info('New restaurant ' + request.menu_name + ' created. ID: ' + str(key.id()))
RESPONSE.response = True
return RESPONSE
# Maintain menu presentation order
@endpoints.method(MENU_ID, MenuCollection,
path='tastebudz/menu/presentation/{menu_name}', http_method='GET',
name='menu.getMenuPresentation')
def menu_presentation(self, request):
logging.info('Menu name: ' + request.menu_name + ' selected for menu info')
menu = Restaurant.query(Restaurant.name == request.menu_name).fetch()
if len(menu) == 0:
logging.info('Course amount: None')
else:
logging.info('Total number of items: ' + str(len(menu)))
try:
MENUCOLLECTION = MenuCollection()
if menu is None:
raise endpoints.NotFoundException('No items in selected menu')
MENUCOLLECTION.presentation = menu[0].presentation
return MENUCOLLECTION
except (IndexError, TypeError):
if IndexError:
raise endpoints.NotFoundException('Index Error')
elif TypeError:
raise endpoints.NotFoundException('%s not found.' %(request.menu_name))
# Download menu
@endpoints.method(MENU_ID, Item,
path='tastebudz/menu/get/{menu_name}', http_method='GET',
name='menu.getMenu')
def menu_get(self, request):
logging.info('Menu name: ' + request.menu_name + ' selected')
items = DB_Item.query(DB_Item.res_name == request.menu_name).fetch()
if len(items) == 0:
logging.info('Course amount: None')
else:
logging.info('Total number of items: ' + str(len(items)))
try:
ITEMS = Item()
if items is None:
raise endpoints.NotFoundException('No items in selected menu')
for item in items:
ITEMS.course_name.append(item.course_name)
ITEMS.item_name.append(item.item_name)
ITEMS.description.append(item.description)
ITEMS.ingredients.append(item.ingredients)
ITEMS.calories.append(item.calories)
ITEMS.price.append(item.price)
ITEMS.image_key.append(item.image_key)
return ITEMS
except (IndexError, TypeError):
if IndexError:
raise endpoints.NotFoundException('Index Error')
elif TypeError:
raise endpoints.NotFoundException('%s not found.' %(request.menu_name))
# Check to ensure that menu name is available
@endpoints.method(MENU_ID, Response,
path='tastebudz/info/availability/{menu_name}', http_method='GET',
name='menu.getMenuAvailability')
def menu_availability(self, request):
logging.info('Checking availability for ' + request.menu_name)
RESPONSE = Response()
result = Restaurant.query(Restaurant.name == request.menu_name).fetch()
if len(result)>0:
RESPONSE.response = False
else:
RESPONSE.response = True
return RESPONSE
# Register waiter/device with restaurant name so that orders can be received
@endpoints.method(Waiter, Response,
path='tastebudz/waiter/register', http_method='POST',
name='waiter.registerWaiter')
def register_waiter(self, request):
RESPONSE = Response()
mem_reg_id = memcache.get(request.restaurant)
if mem_reg_id is None:
RESPONSE.response = memcache.add(request.restaurant, request.reg_id)
if RESPONSE.response:
logging.info("Token registered for " + request.restaurant + ", new token location created.")
else:
logging.info("Token registration error")
elif str(mem_reg_id) == "empty":
RESPONSE.response = memcache.replace(request.restaurant, request.reg_id)
if RESPONSE.response:
logging.info("Token registered")
else:
logging.info("Token registration error")
else:
logging.info("Token already registered")
RESPONSE.response = True
return RESPONSE
# unregister waiter
@endpoints.method(Waiter, Response,
path='tastebudz/waiter/unregister', http_method='POST',
name='waiter.unRegisterWaiter')
def unregister_waiter(self, request):
RESPONSE = Response()
result = memcache.replace(request.restaurant, "empty")
if result is False:
RESPONSE.response = memcache.add(request.restaurant, "empty")
logging.info("Instance died")
else:
RESPONSE.response = True
logging.info("Token unregistered for " + request.restaurant)
return RESPONSE
# order item
@endpoints.method(OrderRequest, Response,
path='tastebudz/order', http_method='POST',
name='waiter.orderItem')
def order_item(self, request):
RESPONSE = Response()
mem_reg_id = memcache.get(request.restaurant)
if mem_reg_id is None:
logging.info(request.restaurant + ' not found')
RESPONSE.response = False
return RESPONSE
elif mem_reg_id == "empty":
logging.info('Waiter not found')
RESPONSE.response = False
return RESPONSE
else:
url = 'https://fcm.googleapis.com/v1/projects/my-tastebudz/messages:send'
headers = {
'Content-Type': 'application/json',
'Authorization': 'Bearer ' + _get_access_token()
}
data = {
'message': {
'token': str(mem_reg_id),
'data': {
'ID': str(request.order_id),
'Order': str(request.order)
}
}
}
resp = requests.post(url=url, headers=headers, data=json.dumps(data))
RESPONSE.response = resp.ok
return RESPONSE
APPLICATION = endpoints.api_server([TasteBudzApi])