favourites GET implementation (#95)

internal/visibility/statuspublictimelineable.go

@@ -0,0 +1,37 @@
+package visibility
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+func (f *filter) StatusPublictimelineable(targetStatus *gtsmodel.Status, timelineOwnerAccount *gtsmodel.Account) (bool, error) {
+	l := f.log.WithFields(logrus.Fields{
+		"func":     "StatusPublictimelineable",
+		"statusID": targetStatus.ID,
+	})
+
+	// Don't timeline a reply
+	if targetStatus.InReplyToURI != "" || targetStatus.InReplyToID != "" || targetStatus.InReplyToAccountID != "" {
+		return false, nil
+	}
+
+	// status owner should always be able to see their own status in their timeline so we can return early if this is the case
+	if timelineOwnerAccount != nil && targetStatus.AccountID == timelineOwnerAccount.ID {
+		return true, nil
+	}
+
+	v, err := f.StatusVisible(targetStatus, timelineOwnerAccount)
+	if err != nil {
+		return false, fmt.Errorf("StatusPublictimelineable: error checking visibility of status with id %s: %s", targetStatus.ID, err)
+	}
+
+	if !v {
+		l.Debug("status is not publicTimelineable because it's not visible to the requester")
+		return false, nil
+	}
+
+	return true, nil
+}