bc5685eb93
pact.ListExtendRecords fills unstored fields of one list page before its columns are read (WinterCMS listExtendRecords); such columns compile unsortable and refuse sortable/searchable. pact.FormRecordTitle names a record; the show, create and update responses send it as meta.title.
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
package cabana_test
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import (
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"context"
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"git.golem15.com/golem15/summercms/modules/pact"
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"gorm.io/gorm"
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)
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// Ticket is a support ticket. OwnerEmail is not stored: the list's
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// owner_email column shows what ListExtendRecords puts there.
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type Ticket struct {
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ID uint `gorm:"column:id;primaryKey"`
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OwnerID uint `gorm:"column:owner_id"`
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OwnerEmail string `gorm:"-:all;column:owner_email"`
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}
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// TicketsController is an admin controller with a computed column.
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type TicketsController struct{}
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var _ pact.ListExtendRecords = TicketsController{}
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// ListExtendRecords fills the owner e-mails of one list page with one
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// query. The framework calls it once per page, before the columns are read.
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func (TicketsController) ListExtendRecords(ctx context.Context, db *gorm.DB, records []any) error {
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ids := make([]uint, 0, len(records))
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for _, record := range records {
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ids = append(ids, record.(*Ticket).OwnerID)
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}
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var owners []struct {
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ID uint
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Email string
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}
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if err := db.WithContext(ctx).Table("acme_owners").Select("id, email").Where("id IN ?", ids).Scan(&owners).Error; err != nil {
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return err
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}
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emails := make(map[uint]string, len(owners))
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for _, owner := range owners {
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emails[owner.ID] = owner.Email
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}
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for _, record := range records {
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ticket := record.(*Ticket)
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ticket.OwnerEmail = emails[ticket.OwnerID]
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}
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return nil
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}
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