golang-server-template/internal/data/permissions.go
2024-07-08 17:36:56 +08:00

65 lines
1.4 KiB
Go

package data
import (
"context"
"database/sql"
"time"
"github.com/lib/pq"
)
type Permissions []string
func (p Permissions) Include(code string) bool {
for i := range p {
if code == p[i] {
return true
}
}
return false
}
type PermissonModel struct {
DB *sql.DB
}
func (m PermissonModel) GetAllForUser(userID int64) (Permissions, error) {
query := `
SELECT permissions.code
FROM permissions
INNER JOIN users_permissions ON users_permissions.permission_id = permissions.id
INNER JOIN users ON users_permissions.user_id = users.id
WHERE users.id = $1`
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
rows, err := m.DB.QueryContext(ctx, query, userID)
if err != nil {
return nil, err
}
defer rows.Close()
var permissions Permissions
for rows.Next() {
var permission string
err = rows.Scan(&permission)
if err != nil {
return nil, err
}
permissions = append(permissions, permission)
}
if err = rows.Err(); err != nil {
return nil, err
}
return permissions, nil
}
func (m PermissonModel) AddForUser(userID int64, codes ...string) error {
query := `
INSERT INTO users_permissions
SELECT $1, permissions.id FROM permissions WHERE permissions.code = ANY($2)`
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
_, err := m.DB.ExecContext(ctx, query, userID, pq.Array(codes))
return err
}