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package db
import (
"os"
"path/filepath"
"github.com/blevesearch/bleve"
"github.com/blevesearch/bleve/mapping"
)
// Search tracks all search indices to use throughout system
var Search map[string]bleve.Index
// Searchable ...
type Searchable interface {
SearchMapping() *mapping.IndexMappingImpl
}
func init() {
Search = make(map[string]bleve.Index)
}
// MapIndex creates the mapping for a type and tracks the index to be used within
// the system for adding/deleting/checking data
func MapIndex(typeName string) error {
// TODO: type assert for Searchable, get configuration (which can be overridden)
// by Ponzu user if defines own SearchMapping()
mapping := bleve.NewIndexMapping()
mapping.StoreDynamic = false
idxName := typeName + ".index"
var idx bleve.Index
// check if index exists, use it or create new one
pwd, err := os.Getwd()
if err != nil {
return err
}
searchPath := filepath.Join(pwd, "search")
err = os.MkdirAll(searchPath, os.ModeDir|os.ModePerm)
if err != nil {
return err
}
idxPath := filepath.Join(searchPath, idxName)
if _, err = os.Stat(idxPath); os.IsNotExist(err) {
idx, err = bleve.New(idxPath, mapping)
if err != nil {
return err
}
} else {
idx, err = bleve.Open(idxPath)
if err != nil {
return err
}
}
// add the type name to the index and track the index
Search[typeName] = idx
return nil
}
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