/
defaults.go
55 lines (52 loc) · 1.8 KB
/
defaults.go
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// Copyright 2021 Cloud Privacy Labs, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ls
import (
"github.com/cloudprivacylabs/lpg/v2"
)
// PostIngestSchemaNode calls the post ingest functions for properties
// of the document nodes for the given schema node.
func (gb GraphBuilder) AddDefaults(schemaRootNode, docRootNode *lpg.Node) {
if schemaRootNode == nil {
return
}
ForEachAttributeNode(schemaRootNode, func(node *lpg.Node, path []*lpg.Node) bool {
def, exists := node.GetProperty(DefaultValueTerm)
if !exists {
return true
}
if len(path) == 1 {
return true
}
defValue := AsPropertyValue(def, true).AsString()
parentSchemaNode := path[len(path)-2]
for _, parentDocNode := range GetNodesInstanceOf(docRootNode.GetGraph(), GetNodeID(parentSchemaNode)) {
switch GetIngestAs(node) {
case "node", "edge":
child := FindChildInstanceOf(parentDocNode, GetNodeID(node))
if len(child) == 0 {
// Ingest default as node
gb.RawValueAsNode(node, parentDocNode, defValue)
}
case "property":
_, propertyName := GetIngestAsProperty(node)
if _, exists := parentDocNode.GetProperty(propertyName); !exists {
// Ingest default as property
parentDocNode.SetProperty(propertyName, StringPropertyValue(NodeValueTerm, defValue))
}
}
}
return true
})
}