68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package db
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import (
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"database/sql"
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"github.com/cynfo/rmm-backend/models"
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)
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func (d *Database) CreateCustomer(number, name string) (*models.Customer, error) {
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var c models.Customer
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err := d.db.QueryRow(
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"INSERT INTO customers (number, name) VALUES ($1, $2) RETURNING id, number, name, created_at",
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number, name,
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).Scan(&c.ID, &c.Number, &c.Name, &c.CreatedAt)
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if err != nil {
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return nil, err
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}
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return &c, nil
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}
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func (d *Database) GetCustomers() ([]models.Customer, error) {
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rows, err := d.db.Query("SELECT id, number, name, created_at FROM customers ORDER BY name")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var customers []models.Customer
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for rows.Next() {
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var c models.Customer
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if err := rows.Scan(&c.ID, &c.Number, &c.Name, &c.CreatedAt); err != nil {
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return nil, err
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}
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customers = append(customers, c)
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}
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if customers == nil {
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customers = []models.Customer{}
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}
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return customers, rows.Err()
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}
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func (d *Database) GetCustomer(id int) (*models.Customer, error) {
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var c models.Customer
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err := d.db.QueryRow("SELECT id, number, name, created_at FROM customers WHERE id = $1", id).
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Scan(&c.ID, &c.Number, &c.Name, &c.CreatedAt)
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if err == sql.ErrNoRows {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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return &c, nil
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}
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func (d *Database) UpdateCustomer(id int, number, name string) error {
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_, err := d.db.Exec("UPDATE customers SET number = $1, name = $2 WHERE id = $3", number, name, id)
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return err
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}
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func (d *Database) DeleteCustomer(id int) (bool, error) {
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res, err := d.db.Exec("DELETE FROM customers WHERE id = $1", id)
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if err != nil {
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return false, err
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}
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rows, _ := res.RowsAffected()
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return rows > 0, nil
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}
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