Luciano Milani
70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
package expense
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/jackc/pgx/v5"
|
|
"github.com/jackc/pgx/v5/pgxpool"
|
|
)
|
|
|
|
type Expense struct {
|
|
ID string `json:"id"`
|
|
VehicleID *string `json:"vehicle_id"`
|
|
Type string `json:"type"`
|
|
Amount float64 `json:"amount"`
|
|
Description string `json:"description"`
|
|
Date time.Time `json:"date"`
|
|
CreatedAt time.Time `json:"created_at"`
|
|
}
|
|
|
|
func ListExpenses(ctx context.Context, conn *pgxpool.Conn, typeFilter string) ([]*Expense, error) {
|
|
q := `SELECT id, vehicle_id, type, amount, COALESCE(description,''), date, created_at
|
|
FROM expenses`
|
|
args := []any{}
|
|
if typeFilter != "" {
|
|
q += " WHERE type = $1"
|
|
args = append(args, typeFilter)
|
|
}
|
|
q += " ORDER BY date DESC, created_at DESC"
|
|
rows, err := conn.Query(ctx, q, args...)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("expense: list: %w", err)
|
|
}
|
|
defer rows.Close()
|
|
var list []*Expense
|
|
for rows.Next() {
|
|
var e Expense
|
|
if err := rows.Scan(&e.ID, &e.VehicleID, &e.Type, &e.Amount, &e.Description, &e.Date, &e.CreatedAt); err != nil {
|
|
return nil, fmt.Errorf("expense: scan: %w", err)
|
|
}
|
|
list = append(list, &e)
|
|
}
|
|
return list, rows.Err()
|
|
}
|
|
|
|
func CreateExpense(ctx context.Context, conn *pgxpool.Conn, vehicleID *string, expType, description string, amount float64, date time.Time) (*Expense, error) {
|
|
row := conn.QueryRow(ctx,
|
|
`INSERT INTO expenses (vehicle_id, type, amount, description, date)
|
|
VALUES ($1, $2, $3, NULLIF($4,''), $5)
|
|
RETURNING id, vehicle_id, type, amount, COALESCE(description,''), date, created_at`,
|
|
vehicleID, expType, amount, description, date)
|
|
var e Expense
|
|
if err := row.Scan(&e.ID, &e.VehicleID, &e.Type, &e.Amount, &e.Description, &e.Date, &e.CreatedAt); err != nil {
|
|
return nil, fmt.Errorf("expense: create: %w", err)
|
|
}
|
|
return &e, nil
|
|
}
|
|
|
|
func DeleteExpense(ctx context.Context, conn *pgxpool.Conn, id string) error {
|
|
tag, err := conn.Exec(ctx, `DELETE FROM expenses WHERE id = $1`, id)
|
|
if err != nil {
|
|
return fmt.Errorf("expense: delete: %w", err)
|
|
}
|
|
if tag.RowsAffected() == 0 {
|
|
return pgx.ErrNoRows
|
|
}
|
|
return nil
|
|
}
|