Add support for scopes

- Add scope selection for for new post
- Save new post scope in db
- Copy scope on reply
- Show scope icon on posts

model/postContext.go

@@ -1,5 +1,10 @@
 package model
 
+type PostContext struct {
+	DefaultVisibility string
+	ReplyContext      *ReplyContext
+}
+
 type ReplyContext struct {
 	InReplyToID   string
 	InReplyToName string

model/session.go

@@ -17,7 +17,6 @@ type Session struct {
 
 type SessionRepository interface {
 	Add(session Session) (err error)
-	Update(sessionID string, accessToken string) (err error)
 	Get(sessionID string) (session Session, err error)
 }
 

model/settings.go

@@ -1,4 +1,5 @@
 package model
 
 type Settings struct {
+	DefaultVisibility string `json:"default_visibility"`
 }