New structure (#7)

pkg/models/team_namespace_rights.go

@@ -0,0 +1,35 @@
+package models
+
+import (
+	"code.vikunja.io/api/pkg/log"
+)
+
+// CanCreate checks if one can create a new team <-> namespace relation
+func (tn *TeamNamespace) CanCreate(user *User) bool {
+	n, err := GetNamespaceByID(tn.NamespaceID)
+	if err != nil {
+		log.Log.Error("Error occurred during CanCreate for TeamNamespace: %s", err)
+		return false
+	}
+	return n.IsAdmin(user)
+}
+
+// CanDelete checks if a user can remove a team from a namespace. Only namespace admins can do that.
+func (tn *TeamNamespace) CanDelete(user *User) bool {
+	n, err := GetNamespaceByID(tn.NamespaceID)
+	if err != nil {
+		log.Log.Error("Error occurred during CanDelete for TeamNamespace: %s", err)
+		return false
+	}
+	return n.IsAdmin(user)
+}
+
+// CanUpdate checks if a user can update a team from a  Only namespace admins can do that.
+func (tn *TeamNamespace) CanUpdate(user *User) bool {
+	n, err := GetNamespaceByID(tn.NamespaceID)
+	if err != nil {
+		log.Log.Error("Error occurred during CanUpdate for TeamNamespace: %s", err)
+		return false
+	}
+	return n.IsAdmin(user)
+}