Timeline improvements (#41)

Tidying up.
Parent/child statuses now display correctly in status/id/context.

internal/typeutils/util.go

@@ -0,0 +1,46 @@
+package typeutils
+
+import (
+	"fmt"
+
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+func (c *converter) interactionsWithStatusForAccount(s *gtsmodel.Status, requestingAccount *gtsmodel.Account) (*statusInteractions, error) {
+	si := &statusInteractions{}
+
+	if requestingAccount != nil {
+		faved, err := c.db.StatusFavedBy(s, requestingAccount.ID)
+		if err != nil {
+			return nil, fmt.Errorf("error checking if requesting account has faved status: %s", err)
+		}
+		si.Faved = faved
+
+		reblogged, err := c.db.StatusRebloggedBy(s, requestingAccount.ID)
+		if err != nil {
+			return nil, fmt.Errorf("error checking if requesting account has reblogged status: %s", err)
+		}
+		si.Reblogged = reblogged
+
+		muted, err := c.db.StatusMutedBy(s, requestingAccount.ID)
+		if err != nil {
+			return nil, fmt.Errorf("error checking if requesting account has muted status: %s", err)
+		}
+		si.Muted = muted
+
+		bookmarked, err := c.db.StatusBookmarkedBy(s, requestingAccount.ID)
+		if err != nil {
+			return nil, fmt.Errorf("error checking if requesting account has bookmarked status: %s", err)
+		}
+		si.Bookmarked = bookmarked
+	}
+	return si, nil
+}
+
+// StatusInteractions denotes interactions with a status on behalf of an account.
+type statusInteractions struct {
+	Faved      bool
+	Muted      bool
+	Bookmarked bool
+	Reblogged  bool
+}