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
|
package main
import (
"database/sql"
"fmt"
"log"
_ "github.com/lib/pq"
)
// setup the Database
func setupDatabase() *sql.DB {
connStr := "user=postgres dbname=postgres sslmode=disable"
db, err := sql.Open("postgres", connStr)
if err != nil {
log.Fatal(err)
}
return db
}
// getNames gets the name of all the challenges
func getName(db *sql.DB) string {
// get the current name of the challenges
query := fmt.Sprintf("SELECT name FROM challenges WHERE points=200")
var names string
err := db.QueryRow(query).Scan(&names)
if err != nil {
log.Fatalf("[ E ] :", err)
}
return names
}
// getAllChallenges gets all the challenges from the server
func getAllChallenges(db *sql.DB) []Challenge {
// build the query
query := fmt.Sprintf("SELECT * FROM challenges")
// Execute the query
rows, err := db.Query(query)
defer rows.Close()
if err != nil {
log.Printf("[ E ] getAllChallenges query: %v\n\t\t\t query: %s\n", err, query)
return []Challenge{}
}
var challenges []Challenge
// iterate over the returned rows
for rows.Next() {
var uuid, name, description, flag, container, category string
var points int
var static bool
scanErr := rows.Scan(&uuid, &name, &description, &flag, &container, &category, &points, &static)
if scanErr != nil {
log.Printf("[ E ] scan error: %v", scanErr)
return []Challenge{}
}
newChallenge := Challenge{
UUID: uuid,
Name: name,
Description: description,
Flag: flag,
Container: container,
Category: category,
Points: points,
Static: static,
}
challenges = append(challenges, newChallenge)
}
return challenges
}
// dbNewChallenge inserts the given challenge into the database
func dbNewChallenge(challenge Challenge) (string, error) {
// build the query to be executed
query := fmt.Sprintf("INSERT INTO challenges(name, description, flag, container, category, points, static) VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING uuid")
// execute the query with the challenge values given
var uuid string
err := db.QueryRow(query, challenge.Name, challenge.Description, challenge.Flag, challenge.Container, challenge.Category, challenge.Points, challenge.Static).Scan(&uuid)
// handle errors
if err != nil {
return "", err
}
return uuid, nil
}
|
