|
1
|
|
|
#!/usr/bin/python3 |
|
2
|
|
|
|
|
3
|
1 |
|
""" |
|
4
|
|
|
File for handling scooter data. |
|
5
|
|
|
|
|
6
|
|
|
Scooter's status id: |
|
7
|
|
|
1- Available |
|
8
|
|
|
2- Unavailable |
|
9
|
|
|
3- Maintenance |
|
10
|
|
|
4- Charging |
|
11
|
|
|
7- Running |
|
12
|
|
|
|
|
13
|
|
|
scooter's data |
|
14
|
|
|
data = { |
|
15
|
|
|
"id": "1", # scooter id (str) |
|
16
|
|
|
"lat": 59.174586, # coordinates (float) |
|
17
|
|
|
"lon": 17.602334, # coordinates (float) |
|
18
|
|
|
"speed": 0, # km/h (int) |
|
19
|
|
|
"battery": 0, # % (int) |
|
20
|
|
|
"status": "7" # status id (str) |
|
21
|
|
|
"station": "1" # station id (str) |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
city's data |
|
25
|
|
|
city = { |
|
26
|
|
|
"id": "2", # citys id (str) |
|
27
|
|
|
"area": 25.84, # km² (float) |
|
28
|
|
|
"lat": 59.19554, # coordinates (float) |
|
29
|
|
|
"lon": 17.62525 # coordinates (float) |
|
30
|
|
|
} |
|
31
|
|
|
""" |
|
32
|
|
|
|
|
33
|
1 |
|
import math |
|
34
|
1 |
|
import random |
|
35
|
1 |
|
import re |
|
36
|
1 |
|
from geopy.distance import geodesic, distance |
|
37
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
|
|
40
|
1 |
|
class Scooter(): |
|
41
|
|
|
""" Scooter class """ |
|
42
|
|
|
|
|
43
|
|
|
# scooter's data |
|
44
|
1 |
|
data = {} |
|
45
|
|
|
|
|
46
|
|
|
# city's data |
|
47
|
1 |
|
city = {} |
|
48
|
|
|
|
|
49
|
|
|
# scooter's new coordinates |
|
50
|
1 |
|
location = "" |
|
51
|
|
|
|
|
52
|
|
|
|
|
53
|
1 |
|
def __init__(self) -> None: |
|
54
|
|
|
""" Initialize class """ |
|
55
|
|
|
|
|
56
|
|
|
|
|
57
|
1 |
|
def __str__(self) -> str: |
|
58
|
|
|
""" Returns scooters data """ |
|
59
|
1 |
|
return "Scooter id: {0}\nLocation: {1}, {2}\nSpeed: {3}km/h\nBattery: {4}%".format( |
|
60
|
|
|
self.data["id"], |
|
61
|
|
|
self.data["lat"], |
|
62
|
|
|
self.data["lon"], |
|
63
|
|
|
self.data["speed"], |
|
64
|
|
|
self.data["battery"], |
|
65
|
|
|
) |
|
66
|
|
|
|
|
67
|
|
|
|
|
68
|
1 |
|
def check_scooter_status(self, scooter: dict) -> bool: |
|
69
|
|
|
""" |
|
70
|
|
|
Returns true if the scooter is available and adds the scooter's |
|
71
|
|
|
data to data dictionary. |
|
72
|
|
|
""" |
|
73
|
1 |
|
if scooter["status"]["status"] == "Available": |
|
74
|
1 |
|
self.add_scooter_to_dict(scooter) |
|
75
|
1 |
|
return True |
|
76
|
1 |
|
return False |
|
77
|
|
|
|
|
78
|
|
|
|
|
79
|
1 |
|
def add_scooter_to_dict(self, scooter: dict) -> None: |
|
80
|
|
|
""" Adds scooter's data to the dictionary. Status id 7 means 'Running'. """ |
|
81
|
1 |
|
self.data["id"] = scooter["id"] |
|
82
|
1 |
|
self.data["lat"] = float(scooter['latitude']) |
|
83
|
1 |
|
self.data["lon"] = float(scooter['longitude']) |
|
84
|
1 |
|
self.data["speed"] = int(scooter['speed']) |
|
85
|
1 |
|
self.data["battery"] = int(scooter['battery']) |
|
86
|
1 |
|
self.data["status"] = "7" |
|
87
|
|
|
|
|
88
|
|
|
|
|
89
|
1 |
|
def add_city_to_dict(self, city: dict): |
|
90
|
|
|
""" Adds scooter's data to the dictionary. Status id 7 means 'Running'. """ |
|
91
|
1 |
|
self.city["id"] = city["id"] |
|
92
|
1 |
|
self.city["lat"] = float(city['latitude']) |
|
93
|
1 |
|
self.city["lon"] = float(city['longitude']) |
|
94
|
1 |
|
self.city["area"] = float(city['area']) |
|
95
|
|
|
|
|
96
|
|
|
|
|
97
|
1 |
|
def move_scooter(self) -> None: |
|
98
|
|
|
""" |
|
99
|
|
|
Move the scooter from one position to another and reduce battery level. |
|
100
|
|
|
Max scooter speed is 20km/h. |
|
101
|
|
|
""" |
|
102
|
|
|
# get random speed |
|
103
|
1 |
|
speed = random.randrange(1, 21) |
|
104
|
1 |
|
points = re.split("Point|, ", self.location) |
|
105
|
|
|
|
|
106
|
1 |
|
self.data["lat"] = float(points[1][1:]) |
|
107
|
1 |
|
self.data["lon"] = float(points[2]) |
|
108
|
1 |
|
self.data["speed"] = speed |
|
109
|
1 |
|
self.data["battery"] -= 1 |
|
110
|
|
|
|
|
111
|
|
|
|
|
112
|
1 |
|
def change_location(self) -> None: |
|
113
|
|
|
""" |
|
114
|
|
|
Get random location inside the city zone. |
|
115
|
|
|
Speed = distance ÷ time => distance = speed * time |
|
116
|
|
|
Bearing in degrees: North: 0, East: 90, South: 180, West: 270. |
|
117
|
|
|
""" |
|
118
|
|
|
# 5 seconds is sleep time, scooter moves every 5 seconds |
|
119
|
|
|
# but for better simulation I increase it to 15 seconds |
|
120
|
1 |
|
distance_km = self.data["speed"] * (15 / 3600) |
|
121
|
|
|
|
|
122
|
|
|
# get random position |
|
123
|
1 |
|
bearing = random.randint(0, 3) |
|
124
|
1 |
|
degrees = [0, 90, 180, 270] |
|
125
|
|
|
|
|
126
|
1 |
|
new_location = repr(distance(kilometers = distance_km).destination( |
|
127
|
|
|
(self.data["lat"], self.data["lon"]), |
|
128
|
|
|
bearing = degrees[bearing]) |
|
129
|
|
|
) |
|
130
|
|
|
|
|
131
|
1 |
|
self.location = new_location |
|
132
|
|
|
|
|
133
|
|
|
|
|
134
|
1 |
|
def stop_scooter(self, status = "7") -> None: |
|
135
|
|
|
""" Stop the scooter from running. Change status and speed. """ |
|
136
|
1 |
|
self.data["status"] = status |
|
137
|
1 |
|
self.data["speed"] = 0 |
|
138
|
|
|
|
|
139
|
|
|
|
|
140
|
1 |
|
def check_battery(self) -> bool: |
|
141
|
|
|
""" Returns True if the battery level < 20%. """ |
|
142
|
1 |
|
return self.data["battery"] < 20 |
|
143
|
|
|
|
|
144
|
|
|
|
|
145
|
1 |
|
def move_to_station(self, station: dict) -> None: |
|
146
|
|
|
""" Move the scooter to charging/maintenance station. """ |
|
147
|
1 |
|
self.data["lat"] = float(station["latitude"]) |
|
148
|
1 |
|
self.data["lon"] = float(station["longitude"]) |
|
149
|
1 |
|
self.data["station"] = station["id"] |
|
150
|
|
|
|
|
151
|
|
|
|
|
152
|
1 |
|
@staticmethod |
|
153
|
1 |
|
def check_maintenance() -> bool: |
|
154
|
|
|
""" |
|
155
|
|
|
Returns true if the random number is 1 otherwise False, since scooters are not |
|
156
|
|
|
real, the maintenance check will be randomly. |
|
157
|
|
|
The probability that the scooter receives maintenance is 10%. |
|
158
|
|
|
""" |
|
159
|
1 |
|
probability = random.randint(1, 10) |
|
160
|
1 |
|
return probability == 1 |
|
161
|
|
|
|
|
162
|
|
|
|
|
163
|
1 |
|
def check_scooter_in_city(self) -> bool: |
|
164
|
|
|
""" |
|
165
|
|
|
Check if scooter is inside the city zone. If the distance between |
|
166
|
|
|
two points 'city center and scooter' <= circle radius return True. |
|
167
|
|
|
""" |
|
168
|
|
|
# Circle Area = pi * r^2 => r^2 = A/pi |
|
169
|
1 |
|
radius = math.sqrt((self.city["area"] / math.pi)) |
|
170
|
1 |
|
scooter = (self.data["lat"], self.data["lon"]) |
|
171
|
1 |
|
city = (self.city["lat"], self.city["lon"]) |
|
172
|
|
|
|
|
173
|
1 |
|
calculate = geodesic(scooter, city).km |
|
174
|
|
|
|
|
175
|
1 |
|
if calculate <= radius: |
|
176
|
1 |
|
return True |
|
177
|
|
|
return False |
|
178
|
|
|
|
Rahn20 /
spark-program
