-
Notifications
You must be signed in to change notification settings - Fork 4
/
emschedule.go
163 lines (132 loc) · 3.92 KB
/
emschedule.go
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
package emschedule
import (
"encoding/xml"
"fmt"
"os"
"regexp"
"time"
"github.com/byuoitav/av-api/packages/soap"
)
// IsRoomAvailable returns a bool representing whether or not a room is available according to the EMS scheduling system
func IsRoomAvailable(building string, room string) (bool, error) {
roomID, err := GetRoomID(building, room)
if err != nil {
return false, err
}
now := time.Now()
date := now
startTime := now
endTime := now.Add(30 * time.Minute) // Check a half hour time interval
request := &RoomAvailabilityRequestSOAP{
Username: os.Getenv("EMS_API_USERNAME"),
Password: os.Getenv("EMS_API_PASSWORD"),
RoomID: roomID,
BookingDate: date,
StartTime: startTime,
EndTime: endTime,
}
encodedRequest, err := soap.Encode(&request)
if err != nil {
return false, err
}
response, err := soap.Request("https://emsweb.byu.edu/EMSAPI/Service.asmx", encodedRequest)
if err != nil {
return false, err
}
availability := RoomAvailabilityResponseSOAP{}
err = soap.Decode([]byte(response), &availability)
if err != nil {
return false, err
}
roomAvailability := RoomResponse{}
err = xml.Unmarshal([]byte(availability.Result), &roomAvailability)
if err != nil {
return false, err
}
return roomAvailability.Response[0].Available, nil
}
// GetRoomID returns the ID of a building from its building code
func GetRoomID(building string, room string) (int, error) {
buildingID, err := GetBuildingID(building)
if err != nil {
return -1, err
}
rooms, err := GetAllRooms(buildingID)
if err != nil {
return -1, err
}
// Some of the room names in the EMS API have asterisks following them for unknown reasons so we have to use a RegEx to ignore them
re := regexp.MustCompile(`(` + building + " " + room + `)\w*`)
for index := range rooms.Rooms {
match := re.FindStringSubmatch(rooms.Rooms[index].Description) // Make the RegEx do magic
if len(match) != 0 {
return rooms.Rooms[index].ID, nil
}
}
return -1, fmt.Errorf("Couldn't find a record of the supplied %s room in the %s building in the EMS database", room, building)
}
func GetAllRooms(buildingID int) (AllRooms, error) {
var buildings []int
buildings = append(buildings, buildingID)
request := &AllRoomsRequestSOAP{
Username: os.Getenv("EMS_API_USERNAME"),
Password: os.Getenv("EMS_API_PASSWORD"),
Buildings: buildings,
}
encodedRequest, err := soap.Encode(&request)
if err != nil {
return AllRooms{}, err
}
response, err := soap.Request("https://emsweb.byu.edu/EMSAPI/Service.asmx", encodedRequest)
if err != nil {
return AllRooms{}, err
}
allRooms := AllRoomsResponseSOAP{}
err = soap.Decode([]byte(response), &allRooms)
if err != nil {
return AllRooms{}, err
}
rooms := AllRooms{}
err = xml.Unmarshal([]byte(allRooms.Result), &rooms)
if err != nil {
return AllRooms{}, err
}
return rooms, nil
}
func GetBuildingID(buildingCode string) (int, error) {
buildings, err := GetAllBuildings()
if err != nil {
return -1, nil
}
for index := range buildings.Buildings {
if buildings.Buildings[index].BuildingCode == buildingCode {
return buildings.Buildings[index].ID, nil
}
}
return -1, fmt.Errorf("Couldn't find a record of the supplied %s building in the EMS database", buildingCode)
}
func GetAllBuildings() (AllBuildings, error) {
request := &AllBuildingsRequestSOAP{
Username: os.Getenv("EMS_API_USERNAME"),
Password: os.Getenv("EMS_API_PASSWORD"),
}
encodedRequest, err := soap.Encode(&request)
if err != nil {
return AllBuildings{}, err
}
response, err := soap.Request("https://emsweb.byu.edu/EMSAPI/Service.asmx", encodedRequest)
if err != nil {
return AllBuildings{}, err
}
allBuilding := AllBuildingsResponseSOAP{}
err = soap.Decode([]byte(response), &allBuilding)
if err != nil {
return AllBuildings{}, err
}
buildings := AllBuildings{}
err = xml.Unmarshal([]byte(allBuilding.Result), &buildings)
if err != nil {
return AllBuildings{}, err
}
return buildings, nil
}