-
Notifications
You must be signed in to change notification settings - Fork 0
/
setEvents.go
180 lines (143 loc) · 4.04 KB
/
setEvents.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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
package main
import (
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
)
var ErrClash error = fmt.Errorf("clashing events")
var ErrPermission error = fmt.Errorf("permission denied")
func addEvent(event Event) error {
// Check the user can make this type of event
allowed := false
for _, v := range bookingsUserCanCreate(event.User) {
if v == event.Type {
allowed = true
break
}
}
if !allowed {
return ErrPermission
}
// Find clashes
rows, err := db.Query(
"SELECT * FROM events WHERE (start_time >= $1 AND start_time < $2) OR (end_time > $1 AND end_time <= $2) OR (start_time < $1 AND end_time > $2)",
event.StartTime, event.EndTime)
if err != nil {
return err
}
defer rows.Close()
if rows.Next() {
return ErrClash
}
if !event.NoNameAttached {
if event.Title == "" {
event.Title = fmt.Sprintf("%s - %s", event.Type, GetNameOfUser(event.User))
} else {
event.Title = fmt.Sprintf("%s - %s", event.Title, GetNameOfUser(event.User))
}
}
// Insert the event into the database
err = db.QueryRow(
"INSERT INTO events(event_type, event_title, user_id, start_time, end_time) VALUES($1, $2, $3, $4, $5) RETURNING event_id",
string(event.Type), event.Title, event.User, event.StartTime, event.EndTime).Scan(&event.ID)
encodedEventsCache = ""
log.Printf("%s created %s at %s (ID %v)\n", GetNameOfUser(event.User), event.Title, event.Start, event.ID)
return err
}
func createEvent(w http.ResponseWriter, r *http.Request) {
// Check user's permissions and validate their identity
// Implement your authorization logic here
// Parse the request body and create a new event
// Parse event data from the request body
defer r.Body.Close()
body, err := io.ReadAll(r.Body)
if err != nil {
panic(err)
// TODO
}
var event Event
json.Unmarshal(body, &event)
var ok bool
event.User, ok = r.Context().Value(UserCtxKey).(int)
if !ok {
// TODO
panic(err)
}
event.parseTimes()
firstStartTime := event.StartTime
firstEndTime := event.EndTime
for i := 0; i < event.Repeat; i++ {
event.StartTime = firstStartTime.Add(time.Duration(i*24*7) * time.Hour)
event.EndTime = firstEndTime.Add(time.Duration(i*24*7) * time.Hour)
err = addEvent(event)
if err != nil {
if errors.Is(err, ErrClash) {
w.WriteHeader(http.StatusBadRequest)
fmt.Fprint(w, err)
return
}
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprint(w, err)
return
}
}
w.Header().Add("Content-Type", "application/json")
w.WriteHeader(http.StatusCreated)
w.Write([]byte("{\"status\": \"OK\"}"))
}
func deleteEvent(w http.ResponseWriter, r *http.Request) {
// Check user's permissions and validate their identity
// Delete the event from the database
vars := mux.Vars(r)
eventID := vars["id"]
id, err := strconv.Atoi(eventID)
if err != nil {
// TODO
panic(err)
}
if !hasPermissionToDelete(r.Context().Value(UserCtxKey).(int), id) {
// TODO
panic("TODO")
}
_, err = db.Exec("DELETE FROM events WHERE event_id=$1", id)
encodedEventsCache = ""
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
log.Printf("%s deleted event %v", GetNameOfUser(r.Context().Value(UserCtxKey).(int)), id)
w.WriteHeader(http.StatusNoContent)
}
func claimEventForStation(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
eventID := vars["id"]
id, err := strconv.Atoi(eventID)
if err != nil {
// TODO
panic(err)
}
if !canClaimEventForStation(r.Context().Value(UserCtxKey).(int), id) {
panic("TODO")
}
var event Event
db.QueryRow("SELECT * FROM events WHERE event_id = $1", eventID).Scan(
&event.ID, &event.Type, &event.Title, &event.User, &event.StartTime, &event.EndTime)
newTitle, _, _ := strings.Cut(event.Title, fmt.Sprintf("- %s", GetNameOfUser(event.User)))
_, err = db.Exec("UPDATE events SET event_title = $1 WHERE event_id = $2", newTitle, id)
if err != nil {
panic(err)
}
encodedEventsCache = ""
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}