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parse.go
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parse.go
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// Copyright (c) 2020 The Bluge Authors.
//
// 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 main
import (
"encoding/json"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"github.com/blugelabs/bluge"
)
const typeBrewery = "brewery"
const typeBeer = "beer"
type Indexable interface {
Identifier() bluge.Identifier
Document([]byte) (*bluge.Document, error)
}
func parseJSONPath(dir, filename string) (Indexable, []byte, error) {
docID := filename[:(len(filename) - len(filepath.Ext(filename)))]
jsonBytes, err := ioutil.ReadFile(filepath.Join(dir, filename))
if err != nil {
return nil, nil, fmt.Errorf("error reading file '%s': %v", filename, err)
}
if strings.Contains(filename, "-") {
return unmarshalByType("beer", docID, jsonBytes)
}
return unmarshalByType("brewery", docID, jsonBytes)
}
func unmarshalByType(_type, _id string, _source []byte) (rv Indexable, src []byte, err error) {
switch _type {
case typeBeer:
rv = NewBeer(_id)
case typeBrewery:
rv = NewBrewery(_id)
default:
return nil, nil, fmt.Errorf("unsupported type: %s", _type)
}
err = json.Unmarshal(_source, rv)
if err != nil {
return nil, nil, err
}
return rv, _source, nil
}