2a47186a7a
- every revision bump (API writes and /bmadmin saves) enqueues
updated.jz.bm.material with {material_id, revision} in a savepoint
- the materials namespace authorizer allows a subscribe only to a
visible material the user may manage
- api.ManagesMaterials and api.CanWatchMaterial
56 lines
2.0 KiB
Go
56 lines
2.0 KiB
Go
package bm
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import (
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"context"
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"errors"
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usermodels "git.golem15.com/golem15/sm-user-plugin/models"
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"git.golem15.com/golem15/summercms/modules/backpack"
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"git.golem15.com/golem15/summercms/modules/lighthouse"
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"git.golem15.com/jakub/sm-bm-plugin/classes"
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"git.golem15.com/jakub/sm-bm-plugin/controllers"
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"gorm.io/gorm"
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// The app always ships the Centrifugo driver; config/realtime.yaml
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// keeps the null driver until rome's .env selects centrifugo.
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_ "git.golem15.com/golem15/summercms/modules/lighthouse/centrifugo"
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)
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// errDatabaseUnavailable is the user lookup's answer before serve has
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// published the database.
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var errDatabaseUnavailable = errors.New("jz.bm: database unavailable")
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// wireRealtime binds the app to the framework realtime service: it builds
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// the service selected by realtime.driver, installs the user lookup the
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// connection token reads its display name from and the notifier the
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// materials admin announces revisions with, and registers the authorizer of
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// the materials namespace. Channel authorizers belong to the plugins that
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// own the channels: jz.bm owns materials (classes.MaterialsNamespace),
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// golem15.presentations its own.
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func (p *Plugin) wireRealtime(app *backpack.App) error {
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svc, err := lighthouse.From(app)
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if err != nil {
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return err
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}
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p.realtime = svc
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controllers.UseMaterialRevisionNotifier(&classes.MaterialRevisionNotifier{Realtime: svc})
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svc.SetUserLookup(func(ctx context.Context, id uint) (lighthouse.User, bool, error) {
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// Boot runs before serve publishes the database, so the handle is
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// resolved per call.
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gdb, ok := app.Lookup[*gorm.DB]()
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if !ok || gdb == nil {
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return lighthouse.User{}, false, errDatabaseUnavailable
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}
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var u usermodels.User
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err := gdb.WithContext(ctx).Select("id", "name").Where("id = ?", id).Take(&u).Error
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return lighthouse.User{}, false, nil
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}
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if err != nil {
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return lighthouse.User{}, false, err
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}
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return lighthouse.User{ID: u.ID, Name: u.Name}, true, nil
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})
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return p.registerMaterialsRealtime(svc)
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}
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