// SourceInfo retrieves the source object including the canonical identifier.
func (n *NeoBackend) SourceInfo(mapping *models.Mapping) (string, int, error) {
q := fmt.Sprintf(`match (o:%s)-[r:KNOWS {id:'%s'}]->(s:source {name:'%s'}) return o.canonical`, mapping.ObjectType, mapping.SourceID, mapping.Source)
vals, err := graphExec([]string{q})
if err != nil {
return "", http.StatusInternalServerError, err
}
if len(vals) == 0 {
return "resource not found", http.StatusNotFound, errors.New("resource not found")
}
v := vals[0]["o.canonical"]
mapping.Canonical = v
mapping.Object += "/" + v
return mapping.Canonical, http.StatusOK, nil
}
