camper/pkg/payment/filter.go

126 lines
3.3 KiB
Go

package payment
import (
"context"
"fmt"
"net/http"
"strconv"
"strings"
"dev.tandem.ws/tandem/camper/pkg/auth"
"dev.tandem.ws/tandem/camper/pkg/database"
"dev.tandem.ws/tandem/camper/pkg/form"
"dev.tandem.ws/tandem/camper/pkg/locale"
)
type filterForm struct {
company *auth.Company
PaymentStatus *form.Select
Reference *form.Input
FromDate *form.Input
ToDate *form.Input
Cursor *form.Cursor
}
func newFilterForm(ctx context.Context, conn *database.Conn, company *auth.Company, locale *locale.Locale) *filterForm {
return &filterForm{
company: company,
PaymentStatus: &form.Select{
Name: "payment_status",
Options: mustGetPaymentStatusOptions(ctx, conn, locale),
},
Reference: &form.Input{
Name: "reference",
},
FromDate: &form.Input{
Name: "from_date",
},
ToDate: &form.Input{
Name: "to_date",
},
Cursor: &form.Cursor{
Name: "cursor",
PerPage: 25,
},
}
}
func mustGetPaymentStatusOptions(ctx context.Context, conn *database.Conn, locale *locale.Locale) []*form.Option {
return form.MustGetOptions(ctx, conn, `
select payment_status.payment_status
, isi18n.name
from payment_status
join payment_status_i18n isi18n using(payment_status)
where isi18n.lang_tag = $1
order by payment_status`, locale.Language)
}
func (f *filterForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.PaymentStatus.FillValue(r)
f.Reference.FillValue(r)
f.FromDate.FillValue(r)
f.ToDate.FillValue(r)
f.Cursor.FillValue(r)
return nil
}
func (f *filterForm) BuildQuery(args []interface{}) (string, []interface{}) {
var where []string
appendWhere := func(expression string, value interface{}) {
args = append(args, value)
where = append(where, fmt.Sprintf(expression, len(args)))
}
maybeAppendWhere := func(expression string, value string, conv func(string) interface{}) {
if value != "" {
if conv == nil {
appendWhere(expression, value)
} else {
appendWhere(expression, conv(value))
}
}
}
appendWhere("payment.company_id = $%d", f.company.ID)
maybeAppendWhere("payment.payment_status = $%d", f.PaymentStatus.String(), nil)
maybeAppendWhere("payment.reference like $%d", f.Reference.Val, func(v string) interface{} {
return "%" + v
})
maybeAppendWhere("payment.created_at >= $%d", f.FromDate.Val, nil)
maybeAppendWhere("payment.created_at <= $%d", f.ToDate.Val, nil)
if f.Paginated() {
params := f.Cursor.Params()
if len(params) == 2 {
where = append(where, fmt.Sprintf("(payment.created_at, payment_id) < ($%d, $%d)", len(args)+1, len(args)+2))
args = append(args, params[0])
args = append(args, params[1])
}
}
return strings.Join(where, ") AND ("), args
}
func (f *filterForm) buildCursor(customers []*paymentEntry) []*paymentEntry {
return form.BuildCursor(f.Cursor, customers, func(entry *paymentEntry) []string {
return []string{entry.CreatedAt.Format(database.ISODateTimeFormat), strconv.Itoa(entry.ID)}
})
}
func (f *filterForm) HasValue() bool {
return (len(f.PaymentStatus.Selected) > 0 && f.PaymentStatus.Selected[0] != "") ||
f.Reference.Val != "" ||
f.FromDate.Val != "" ||
f.ToDate.Val != ""
}
func (f *filterForm) PerPage() int {
return f.Cursor.PerPage
}
func (f *filterForm) Paginated() bool {
return f.Cursor.Pagination
}