camper/pkg/invoice/filter.go
jordi fita mas 48c1529e6c Add pagination to invoices
I’ve removed the total amount because it is very difficult to get it
with pagination, and customer never saw it (it was from Numerus), thus
they won’t miss it—i hope.
2024-05-03 19:13:49 +02:00

125 lines
3.2 KiB
Go

package invoice
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
Customer *form.Select
InvoiceStatus *form.Select
InvoiceNumber *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,
Customer: &form.Select{
Name: "customer",
Options: mustGetContactOptions(ctx, conn, company),
},
InvoiceStatus: &form.Select{
Name: "invoice_status",
Options: mustGetInvoiceStatusOptions(ctx, conn, locale),
},
InvoiceNumber: &form.Input{
Name: "number",
},
FromDate: &form.Input{
Name: "from_date",
},
ToDate: &form.Input{
Name: "to_date",
},
Cursor: &form.Cursor{
Name: "cursor",
PerPage: 25,
},
}
}
func (f *filterForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Customer.FillValue(r)
f.InvoiceStatus.FillValue(r)
f.InvoiceNumber.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("invoice.company_id = $%d", f.company.ID)
maybeAppendWhere("contact_id = $%d", f.Customer.String(), func(v string) interface{} {
customerId, _ := strconv.Atoi(f.Customer.Selected[0])
return customerId
})
maybeAppendWhere("invoice.invoice_status = $%d", f.InvoiceStatus.String(), nil)
maybeAppendWhere("invoice_number = $%d", f.InvoiceNumber.Val, nil)
maybeAppendWhere("invoice_date >= $%d", f.FromDate.Val, nil)
maybeAppendWhere("invoice_date <= $%d", f.ToDate.Val, nil)
if f.Paginated() {
params := f.Cursor.Params()
if len(params) == 2 {
where = append(where, fmt.Sprintf("(invoice_date, invoice_number) < ($%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 []*IndexEntry) []*IndexEntry {
return form.BuildCursor(f.Cursor, customers, func(entry *IndexEntry) []string {
return []string{entry.Date.Format(database.ISODateFormat), entry.Number}
})
}
func (f *filterForm) HasValue() bool {
return (len(f.Customer.Selected) > 0 && f.Customer.Selected[0] != "") ||
(len(f.InvoiceStatus.Selected) > 0 && f.InvoiceStatus.Selected[0] != "") ||
f.InvoiceNumber.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
}