|
1
|
|
|
#!/usr/bin/python3 |
|
2
|
|
|
|
|
3
|
|
|
""" File for handling scooter data with Scooter class. """ |
|
4
|
|
|
|
|
5
|
|
|
import math |
|
6
|
|
|
import random |
|
7
|
|
|
import re |
|
8
|
|
|
from geopy.distance import geodesic, distance |
|
9
|
|
|
|
|
10
|
|
|
class Scooter(): |
|
11
|
|
|
""" Scooter class """ |
|
12
|
|
|
|
|
13
|
|
|
## scooter's data |
|
14
|
|
|
data = { |
|
15
|
|
|
"id": 0, |
|
16
|
|
|
"lat": 59.173228, # coordinates |
|
17
|
|
|
"lon": 17.603204, # coordinates |
|
18
|
|
|
"speed": 0, # km/h |
|
19
|
|
|
"battery": 50, # % |
|
20
|
|
|
"status": "running" |
|
21
|
|
|
} |
|
22
|
|
|
|
|
23
|
|
|
## city's data |
|
24
|
|
|
city = { |
|
25
|
|
|
"id": 2, |
|
26
|
|
|
"area": 25.84, # km² |
|
27
|
|
|
"lat": 59.19554, # coordinates |
|
28
|
|
|
"lon": 17.62525 # coordinates |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
|
|
## scooter's new coordinates |
|
32
|
|
|
location = "" |
|
33
|
|
|
|
|
34
|
|
|
|
|
35
|
|
|
def __init__(self) -> None: |
|
36
|
|
|
""" Initialize class """ |
|
37
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
def add_scooter_data(self, scooter: dict) -> None: |
|
40
|
|
|
""" Add scooter API data to data dictionary. """ |
|
41
|
|
|
self.data = { |
|
42
|
|
|
"id": scooter["id"], |
|
43
|
|
|
"lat": scooter["latitude"], |
|
44
|
|
|
"lon": scooter["longitude"], |
|
45
|
|
|
"speed": scooter["speed"], |
|
46
|
|
|
"battery": scooter["battery"], |
|
47
|
|
|
"status": "running" |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
|
|
51
|
|
|
def __str__(self) -> str: |
|
52
|
|
|
""" Returns scooters data """ |
|
53
|
|
|
return "Scooter id: {0}\nLocation: {1}, {2}\nSpeed: {3}km/h\nBattery: {4}%".format( |
|
54
|
|
|
self.data["id"], |
|
55
|
|
|
self.data["lat"], |
|
56
|
|
|
self.data["lon"], |
|
57
|
|
|
self.data["speed"], |
|
58
|
|
|
self.data["battery"], |
|
59
|
|
|
) |
|
60
|
|
|
|
|
61
|
|
|
|
|
62
|
|
|
def move_scooter(self) -> None: |
|
63
|
|
|
""" |
|
64
|
|
|
Move the scooter from one position to another and reduce battery level. |
|
65
|
|
|
Max scooter speed is 20km/h. |
|
66
|
|
|
""" |
|
67
|
|
|
## get random speed |
|
68
|
|
|
speed = random.randrange(1, 21) |
|
69
|
|
|
points = re.split("Point|, ", self.location) |
|
70
|
|
|
|
|
71
|
|
|
self.data["lat"] = float(points[1][1:]) |
|
72
|
|
|
self.data["lon"] = float(points[2]) |
|
73
|
|
|
self.data["speed"] = speed |
|
74
|
|
|
self.data["battery"] -= 1 |
|
75
|
|
|
|
|
76
|
|
|
|
|
77
|
|
|
def change_location(self) -> None: |
|
78
|
|
|
""" |
|
79
|
|
|
Get random location inside the city zone. |
|
80
|
|
|
Speed = distance ÷ time => distance = speed * time |
|
81
|
|
|
Bearing in degrees: North: 0, East: 90, South: 180, West: 270. |
|
82
|
|
|
""" |
|
83
|
|
|
## 5 seconds is sleep time, scooter moves every 5 seconds |
|
84
|
|
|
## but for better simulation I increase it to 10 |
|
85
|
|
|
distance_km = self.data["speed"] * (10 / 3600) |
|
86
|
|
|
|
|
87
|
|
|
## get random position |
|
88
|
|
|
bearing = random.randint(0, 3) |
|
89
|
|
|
degrees = [0, 90, 180, 270] |
|
90
|
|
|
|
|
91
|
|
|
new_location = repr(distance(kilometers = distance_km).destination( |
|
92
|
|
|
(self.data["lat"], self.data["lon"]), |
|
93
|
|
|
bearing = degrees[bearing]) |
|
94
|
|
|
) |
|
95
|
|
|
|
|
96
|
|
|
self.location = new_location |
|
97
|
|
|
|
|
98
|
|
|
|
|
99
|
|
|
def stop_scooter(self, status = "running") -> None: |
|
100
|
|
|
""" Stop the scooter from running. Change status and speed. """ |
|
101
|
|
|
self.data["status"] = status |
|
102
|
|
|
self.data["speed"] = 0 |
|
103
|
|
|
|
|
104
|
|
|
|
|
105
|
|
|
def check_battery(self) -> bool: |
|
106
|
|
|
""" Returns True if the battery level < 20%. """ |
|
107
|
|
|
return self.data["battery"] < 20 |
|
108
|
|
|
|
|
109
|
|
|
|
|
110
|
|
|
def move_to_station(self, station: dict) -> None: |
|
111
|
|
|
""" Move the scooter to charging/maintenance station. """ |
|
112
|
|
|
self.data["lat"] = station["latitude"] |
|
113
|
|
|
self.data["lon"] = station["longitude"] |
|
114
|
|
|
|
|
115
|
|
|
|
|
116
|
|
|
@staticmethod |
|
117
|
|
|
def check_maintenance() -> bool: |
|
118
|
|
|
""" |
|
119
|
|
|
Returns true if the random number is 1 otherwise False, since scooters are not |
|
120
|
|
|
real, the maintenance check will be randomly. |
|
121
|
|
|
The probability that the scooter receives maintenance is 10%. |
|
122
|
|
|
""" |
|
123
|
|
|
probability = random.randint(1, 10) |
|
124
|
|
|
return probability == 1 |
|
125
|
|
|
|
|
126
|
|
|
|
|
127
|
|
|
def check_scooter_in_city(self) -> bool: |
|
128
|
|
|
""" |
|
129
|
|
|
Check if scooter is inside the city zone. If the distance between |
|
130
|
|
|
two points 'city center and scooter' <= circle radius return True. |
|
131
|
|
|
""" |
|
132
|
|
|
## Circle Area = pi * r^2 => r^2 = A/pi |
|
133
|
|
|
radius = math.sqrt((self.city["area"] / math.pi)) |
|
134
|
|
|
scooter = (self.data["lat"], self.data["lon"]) |
|
135
|
|
|
city = (self.city["lat"], self.city["lon"]) |
|
136
|
|
|
|
|
137
|
|
|
calculate = geodesic(scooter, city).km |
|
138
|
|
|
|
|
139
|
|
|
if calculate <= radius: |
|
140
|
|
|
return True |
|
141
|
|
|
return False |
|
142
|
|
|
|
Rahn20 /
spark-program
