100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package customer
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import (
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/form"
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)
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type filterForm struct {
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company *auth.Company
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Name *form.Input
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Email *form.Input
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Cursor *form.Cursor
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}
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func newFilterForm(company *auth.Company) *filterForm {
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return &filterForm{
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company: company,
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Name: &form.Input{
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Name: "name",
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},
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Email: &form.Input{
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Name: "email",
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},
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Cursor: &form.Cursor{
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Name: "cursor",
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PerPage: 25,
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},
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}
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}
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func (f *filterForm) Parse(r *http.Request) error {
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if err := r.ParseForm(); err != nil {
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return err
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}
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f.Name.FillValue(r)
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f.Email.FillValue(r)
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f.Cursor.FillValue(r)
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return nil
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}
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func (f *filterForm) BuildQuery(args []interface{}) (string, []interface{}) {
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var where []string
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appendWhere := func(expression string, value interface{}) {
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args = append(args, value)
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where = append(where, fmt.Sprintf(expression, len(args)))
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}
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maybeAppendWhere := func(expression string, value string, conv func(string) interface{}) {
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if value != "" {
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if conv == nil {
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appendWhere(expression, value)
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} else {
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appendWhere(expression, conv(value))
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}
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}
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}
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appendWhere("company_id = $%d", f.company.ID)
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maybeAppendWhere("name ILIKE $%d", f.Name.Val, func(v string) interface{} {
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return "%" + v + "%"
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})
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maybeAppendWhere("email ILIKE $%d", f.Email.Val, func(v string) interface{} {
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return "%" + v + "%"
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})
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if f.Paginated() {
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params := f.Cursor.Params()
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if len(params) == 2 {
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where = append(where, fmt.Sprintf("(name, contact_id) > ($%d, $%d)", len(args)+1, len(args)+2))
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args = append(args, params[0])
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args = append(args, params[1])
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}
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}
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return strings.Join(where, ") AND ("), args
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}
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func (f *filterForm) buildCursor(customers []*customerEntry) []*customerEntry {
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return form.BuildCursor(f.Cursor, customers, func(entry *customerEntry) []string {
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return []string{entry.Name, strconv.Itoa(entry.ID)}
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})
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}
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func (f *filterForm) HasValue() bool {
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return f.Name.Val != "" ||
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f.Email.Val != ""
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}
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func (f *filterForm) PerPage() int {
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return f.Cursor.PerPage
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}
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func (f *filterForm) Paginated() bool {
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return f.Cursor.Pagination
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}
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