MM-52792: Update createPost, updatePost, & patchPost (#24195)

server/public/model/session.go

@@ -214,6 +214,34 @@ func (s *Session) IsOAuthUser() bool {
 	return isOAuthUser
 }
 
+func (s *Session) IsBotUser() bool {
+	val, ok := s.Props[SessionPropIsBot]
+	if !ok {
+		return false
+	}
+	if val == SessionPropIsBotValue {
+		return true
+	}
+	return false
+}
+
+func (s *Session) IsUserAccessToken() bool {
+	val, ok := s.Props[SessionPropType]
+	if !ok {
+		return false
+	}
+	if val == SessionTypeUserAccessToken {
+		return true
+	}
+	return false
+}
+
+// Returns true when session is authenticated as a bot, by personal access token, or is an OAuth app.
+// Does not indicate other forms of integrations e.g. webhooks, slash commands, etc.
+func (s *Session) IsIntegration() bool {
+	return s.IsBotUser() || s.IsUserAccessToken() || s.IsOAuth
+}
+
 func (s *Session) IsSSOLogin() bool {
 	return s.IsOAuthUser() || s.IsSaml()
 }