Jakub Zych
327925c43e
- the RecordSaved listener re-describes an updated record of a content type after commit and applies AddressChanged per changed locale, so Journal's API, MCP and imports get the 301 too; an admin save that already applied it changes nothing more
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package seo
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import (
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"context"
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"git.golem15.com/golem15/sm-seo-plugin/classes"
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"git.golem15.com/golem15/summercms/modules/backpack"
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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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// listen subscribes to the framework's record events (D-92): a deleted
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// record of a content type loses its SEO entries (kept in history), a
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// created one gets its address snapshot, and an updated one whose address
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// changed gets its 301 after commit (D-18), whoever wrote it: Journal's
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// API, MCP, an import, or an admin form whose SEO tab the administrator
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// does not see. Listener errors are logged by the bus and never fail the
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// write that fired them.
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func (p *Plugin) listen(app *backpack.App) {
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if app == nil || app.Events == nil {
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return
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}
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app.Events.Listen("golem15.seo", func(ctx context.Context, ev *pact.RecordDeleted) error {
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svc := p.Service()
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if svc == nil {
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return nil
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}
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return svc.RecordDeleted(ctx, ev)
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})
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app.Events.Listen("golem15.seo", func(ctx context.Context, ev *pact.RecordSaved) error {
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svc := p.Service()
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if svc == nil || ev == nil {
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return nil
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}
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if ev.Created {
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return svc.RecordCreated(ctx, ev)
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}
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return p.addressesAfterSave(ctx, svc, ev.Model, ev.ID)
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})
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}
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// addressesAfterSave re-describes a saved record of a content type in a
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// transaction of its own and applies AddressChanged to every locale whose
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// address differs from its entry's URL. After an admin save whose SEO tab
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// already did this, nothing differs and nothing happens.
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func (p *Plugin) addressesAfterSave(ctx context.Context, svc *classes.Service, model, id string) error {
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reg := svc.Registry()
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if reg == nil {
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return nil
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}
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typ, ok := reg.ContentTypeForModel(model)
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if !ok || typ.Content == nil {
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return nil
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}
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db, err := svc.DB(ctx)
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if err != nil {
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return err
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}
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return db.Transaction(func(tx *gorm.DB) error {
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changes, err := svc.AddressChanges(ctx, tx, typ, id)
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if err != nil {
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return err
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}
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for _, change := range changes {
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if _, err := svc.AddressChanged(ctx, tx, change); err != nil {
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return err
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}
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}
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return nil
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})
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}
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