/
db.go
69 lines (55 loc) · 1.18 KB
/
db.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
package service
import (
"database/sql"
"fmt"
"log"
_ "github.com/mattn/go-sqlite3"
)
const (
DB_NAME = "./data/risiti.db"
)
func NewDB() *sql.DB {
db, err := getConnection(DB_NAME)
if err != nil {
log.Fatal("Cannot get Sqlite DB Connection", err)
}
if err := createMigrations(db); err != nil {
log.Fatal("Cannot create migratons", err)
}
return db
}
func getConnection(dbName string) (*sql.DB, error) {
var (
err error
db *sql.DB
)
// Init SQLite3 database
db, err = sql.Open("sqlite3", dbName)
if err != nil {
return nil, fmt.Errorf("🔥 failed to connect to the database: %s", err)
}
return db, nil
}
func createMigrations(db *sql.DB) error {
stmt := `CREATE TABLE IF NOT EXISTS user (
id INTEGER PRIMARY KEY AUTOINCREMENT,
email VARCHAR(255) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL
);`
_, err := db.Exec(stmt)
if err != nil {
return err
}
stmt = `CREATE TABLE IF NOT EXISTS receipt (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name VARCHAR(255) NOT NULL UNIQUE,
filename VARCHAR(255) NOT NULL UNIQUE,
description VARCHAR(255) NOT NULL,
date DATETIME NOT NULL
);`
_, err = db.Exec(stmt)
if err != nil {
return err
}
return nil
}