follow requests prettymuch working

internal/typeutils/asextractionutil.go

@@ -519,3 +519,29 @@ func extractMention(i Mentionable) (*gtsmodel.Mention, error) {
 	mention.MentionedAccountURI = hrefProp.GetIRI().String()
 	return mention, nil
 }
+
+func extractActor(i withActor) (*url.URL, error) {
+	actorProp := i.GetActivityStreamsActor()
+	if actorProp == nil {
+		return nil, errors.New("actor property was nil")
+	}
+	for iter := actorProp.Begin(); iter != actorProp.End(); iter = iter.Next() {
+		if iter.IsIRI() && iter.GetIRI() != nil {
+			return iter.GetIRI(), nil
+		}
+	}
+	return nil, errors.New("no iri found for actor prop")
+}
+
+func extractObject(i withObject) (*url.URL, error) {
+	objectProp := i.GetActivityStreamsObject()
+	if objectProp == nil {
+		return nil, errors.New("object property was nil")
+	}
+	for iter := objectProp.Begin(); iter != objectProp.End(); iter = iter.Next() {
+		if iter.IsIRI() && iter.GetIRI() != nil {
+			return iter.GetIRI(), nil
+		}
+	}
+	return nil, errors.New("no iri found for object prop")
+}

internal/typeutils/asinterfaces.go

@@ -95,6 +95,14 @@ type Mentionable interface {
 	withHref
 }
 
+type Followable interface {
+	withJSONLDId
+	withTypeName
+
+	withActor
+	withObject
+}
+
 type withJSONLDId interface {
 	GetJSONLDId() vocab.JSONLDIdProperty
 }
@@ -218,3 +226,11 @@ type withHref interface {
 type withUpdated interface {
 	GetActivityStreamsUpdated() vocab.ActivityStreamsUpdatedProperty
 }
+
+type withActor interface {
+	GetActivityStreamsActor() vocab.ActivityStreamsActorProperty
+}
+
+type withObject interface {
+	GetActivityStreamsObject() vocab.ActivityStreamsObjectProperty
+}

internal/typeutils/astointernal.go

@@ -306,6 +306,41 @@ func (c *converter) ASStatusToStatus(statusable Statusable) (*gtsmodel.Status, e
 	return status, nil
 }
 
+func (c *converter) ASFollowToFollowRequest(followable Followable) (*gtsmodel.FollowRequest, error) {
+
+	idProp := followable.GetJSONLDId()
+	if idProp == nil || !idProp.IsIRI() {
+		return nil, errors.New("no id property set on follow, or was not an iri")
+	}
+	uri := idProp.GetIRI().String()
+
+	origin, err := extractActor(followable)
+	if err != nil {
+		return nil, errors.New("error extracting actor property from follow")
+	}
+	originAccount := &gtsmodel.Account{}
+	if err := c.db.GetWhere("uri", origin.String(), originAccount); err != nil {
+		return nil, fmt.Errorf("error extracting account with uri %s from the database: %s", origin.String(), err)
+	}
+
+	target, err := extractObject(followable)
+	if err != nil {
+		return nil, errors.New("error extracting object property from follow")
+	}
+	targetAccount := &gtsmodel.Account{}
+	if err := c.db.GetWhere("uri", target.String(), targetAccount); err != nil {
+		return nil, fmt.Errorf("error extracting account with uri %s from the database: %s", origin.String(), err)
+	}
+
+	followRequest := &gtsmodel.FollowRequest{
+		URI: uri,
+		AccountID: originAccount.ID,
+		TargetAccountID: targetAccount.ID,
+	}
+
+	return followRequest, nil
+}
+
 func isPublic(tos []*url.URL) bool {
 	for _, entry := range tos {
 		if strings.EqualFold(entry.String(), "https://www.w3.org/ns/activitystreams#Public") {

internal/typeutils/converter.go

@@ -92,6 +92,8 @@ type TypeConverter interface {
 	ASRepresentationToAccount(accountable Accountable) (*gtsmodel.Account, error)
 	// ASStatus converts a remote activitystreams 'status' representation into a gts model status.
 	ASStatusToStatus(statusable Statusable) (*gtsmodel.Status, error)
+	// ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow request.
+	ASFollowToFollowRequest(followable Followable) (*gtsmodel.FollowRequest, error)
 
 	/*
 		INTERNAL (gts) MODEL TO ACTIVITYSTREAMS MODEL