New structure (#7)

pkg/models/namespace_delete.go

@@ -0,0 +1,41 @@
+package models
+
+// Delete deletes a namespace
+func (n *Namespace) Delete() (err error) {
+
+	// Check if the namespace exists
+	_, err = GetNamespaceByID(n.ID)
+	if err != nil {
+		return
+	}
+
+	// Delete the namespace
+	_, err = x.ID(n.ID).Delete(&Namespace{})
+	if err != nil {
+		return
+	}
+
+	// Delete all lists with their tasks
+	lists, err := GetListsByNamespaceID(n.ID)
+	var listIDs []int64
+	// We need to do that for here because we need the list ids to delete two times:
+	// 1) to delete the lists itself
+	// 2) to delete the list tasks
+	for _, l := range lists {
+		listIDs = append(listIDs, l.ID)
+	}
+
+	// Delete tasks
+	_, err = x.In("list_id", listIDs).Delete(&ListTask{})
+	if err != nil {
+		return
+	}
+
+	// Delete the lists
+	_, err = x.In("id", listIDs).Delete(&List{})
+	if err != nil {
+		return
+	}
+
+	return
+}