func deleteNode(db *neoism.Database, node *neoism.Node) {
// need to remove all relationships before
rels, err := node.Relationships()
if err != nil {
panic(err)
}
for _, rel := range rels {
rel.Delete()
}
node.Delete()
}
func getOrCreateNode(db *neoism.Database, label string, key string, value string, props neoism.Props) *neoism.Node {
res := []struct {
// `json:` tags matches column names in query
N neoism.Node
}{}
//MATCH (n:Tag { name: 'deporte' }) RETURN n
st := "MATCH (n:" + label + " { " + key + ": '" + value + "' }) RETURN n"
println(st)
cq0 := neoism.CypherQuery{
// Use backticks for long statements - Cypher is whitespace indifferent
Statement: st,
Parameters: neoism.Props{},
Result: &res,
}
db.Cypher(&cq0)
// println("largo")
// println(len(res))
// tagName, err := n1.Property("name")
// println(tagName)
// println(err)
var node *neoism.Node
if len(res) > 0 { // existe el tag
println("si")
node = &res[0].N
node.Db = db
} else {
println("no")
node, _ = db.CreateNode(props)
node.AddLabel(label)
}
return node
}