89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
package api
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"git.dubyatp.xyz/dubyatp/scannerbot/server/db"
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"github.com/jackc/pgx/v5"
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)
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var ErrUserNotFound = errors.New("db: user not found")
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func dbGetUser(id string) (*User, error) {
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query := `SELECT id, name, password FROM users WHERE id = $1`
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var user User
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err := db.Pool.QueryRow(context.Background(), query, id).Scan(&user.ID, &user.Name, &user.Password)
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if errors.Is(err, pgx.ErrNoRows) {
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slog.Debug("db: user not found", "userid", id)
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return nil, ErrUserNotFound
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} else if err != nil {
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slog.Error("db: failed to query user", "error", err)
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return nil, fmt.Errorf("failed to query user")
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}
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slog.Debug("db: user found", "userid", user.ID, "username", user.Name)
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return &user, nil
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}
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func dbGetUserByName(username string) (*User, error) {
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query := `SELECT id, name, password FROM users WHERE name = $1`
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var user User
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err := db.Pool.QueryRow(context.Background(), query, username).Scan(&user.ID, &user.Name, &user.Password)
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if errors.Is(err, pgx.ErrNoRows) {
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slog.Debug("db: user not found", "username", username)
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return nil, ErrUserNotFound
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} else if err != nil {
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slog.Error("db: failed to query user", "error", err)
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return nil, fmt.Errorf("failed to query user")
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}
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slog.Debug("db: user found", "userid", user.ID, "username", user.Name)
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return &user, nil
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}
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func dbGetAllUsers() ([]*User, error) {
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query := `SELECT id, name, password FROM users`
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rows, err := db.Pool.Query(context.Background(), query)
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if err != nil {
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slog.Error("db: failed to query users", "error", err)
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return nil, fmt.Errorf("failed to query users")
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}
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defer rows.Close()
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var users []*User
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for rows.Next() {
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user := &User{}
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if err := rows.Scan(&user.ID, &user.Name, &user.Password); err != nil {
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slog.Error("db: failed to scan user", "error", err)
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return nil, fmt.Errorf("failed to scan user")
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}
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users = append(users, user)
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}
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if err := rows.Err(); err != nil {
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slog.Error("db: row iteration error", "error", err)
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return nil, fmt.Errorf("failed to iterate users")
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}
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if len(users) == 0 {
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slog.Debug("db: no users found")
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return nil, errors.New("no users found")
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}
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slog.Debug("db: user list returned")
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return users, nil
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}
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func dbAddUser(user *User) error {
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query := `INSERT INTO users (id, name, password) VALUES ($1, $2, $3)`
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_, err := db.Pool.Exec(context.Background(), query, user.ID, user.Name, user.Password)
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if err != nil {
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slog.Error("db: failed to add user", "error", err, "userid", user.ID, "username", user.Name)
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return fmt.Errorf("failed to add user")
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}
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slog.Debug("db: user added", "userid", user.ID, "username", user.Name)
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return nil
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}
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