90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package activitypub
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// Item struct
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type Item = ObjectOrLink
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const (
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EmptyIRI IRI = ""
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NilIRI IRI = "-"
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EmptyID = EmptyIRI
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NilID = NilIRI
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)
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// Flatten checks if Item can be flatten to an IRI or array of IRIs and returns it if so
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func Flatten(it Item) Item {
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if it.IsCollection() {
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if c, ok := it.(CollectionInterface); ok {
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it = FlattenItemCollection(c.Collection())
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}
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}
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if it != nil && len(it.GetLink()) > 0 {
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return it.GetLink()
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}
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return it
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}
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// ItemsEqual checks if it and with Items are equal
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func ItemsEqual(it, with Item) bool {
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if it == nil || with == nil{
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return with == it
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}
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result := true
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if it.IsCollection() {
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if it.GetType() == CollectionOfItems {
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OnItemCollection(it, func(c *ItemCollection) error {
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result = c.Equals(with)
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return nil
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})
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}
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if it.GetType() == CollectionType {
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OnCollection(it, func(c *Collection) error {
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result = c.Equals(with)
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return nil
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})
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}
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if it.GetType() == OrderedCollectionType {
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OnOrderedCollection(it, func(c *OrderedCollection) error {
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result = c.Equals(with)
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return nil
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})
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}
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if it.GetType() == CollectionPageType {
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OnCollectionPage(it, func(c *CollectionPage) error {
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result = c.Equals(with)
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return nil
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})
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}
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if it.GetType() == OrderedCollectionPageType {
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OnOrderedCollectionPage(it, func(c *OrderedCollectionPage) error {
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result = c.Equals(with)
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return nil
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})
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}
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}
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if it.IsObject() {
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if ObjectTypes.Contains(it.GetType()) {
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OnObject(it, func(i *Object) error {
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result = i.Equals(with)
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return nil
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})
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}
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if ActivityTypes.Contains(with.GetType()) {
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OnActivity(it, func(i*Activity) error {
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result = i.Equals(with)
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return nil
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})
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}
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if ActorTypes.Contains(with.GetType()) {
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OnActor(it, func(i *Actor) error {
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result = i.Equals(with)
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return nil
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})
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}
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}
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if with.IsLink() {
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result = with.GetLink().Equals(it.GetLink(), false)
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}
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return result
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}
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