simplifying Editable interface by adding Sluggable and Identifiable interfaces, moving relevant interface methods to be implemented by other types and updating caller code to assert the new interface types as needed

1 files changed, 23 insertions, 2 deletions

diff --git a/content/item.go b/content/item.go
index f4a5489..0077dc6 100644
--- a/content/item.go
+++ b/content/item.go
@@ -18,7 +18,28 @@ func (i Item) Touch() int64 {
 	return i.Updated
 }
 
-// ContentID partially implements the Sortable interface
-func (i Item) ContentID() int {
+// ItemID partially implements the Sortable interface
+func (i Item) ItemID() int {
 	return i.ID
 }
+
+// SetSlug sets the item's slug for its URL
+func (i *Item) SetSlug(slug string) {
+	i.Slug = slug
+}
+
+// Sluggable makes a struct locatable by URL with it's own path
+// As an Item implementing Sluggable, slugs may overlap. If this is an issue,
+// make your content struct (or one which imbeds Item) implement Sluggable
+// and it will override the slug created by Item's SetSlug with your struct's
+type Sluggable interface {
+	SetSlug(string)
+}
+
+// Identifiable enables a struct to have its ID set. Typically this is done
+// to set an ID to -1 indicating it is new for DB inserts, since by default
+// a newly initialized struct would have an ID of 0, the int zero-value, and
+// BoltDB's starting key per bucket is 0, thus overwriting the first record.
+type Identifiable interface {
+	SetContentID(int)
+}