55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
// Copyright (c) 2023 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package milliseconds
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import (
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"math"
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"strconv"
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"time"
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"github.com/blevesearch/bleve/v2/analysis"
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"github.com/blevesearch/bleve/v2/registry"
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)
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const Name = "unix_milli"
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type DateTimeParser struct {
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}
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var minBound int64 = math.MinInt64 / 1000000
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var maxBound int64 = math.MaxInt64 / 1000000
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func (p *DateTimeParser) ParseDateTime(input string) (time.Time, string, error) {
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// unix timestamp is milliseconds since UNIX epoch
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timestamp, err := strconv.ParseInt(input, 10, 64)
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if err != nil {
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return time.Time{}, "", analysis.ErrInvalidTimestampString
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}
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if timestamp < minBound || timestamp > maxBound {
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return time.Time{}, "", analysis.ErrInvalidTimestampRange
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}
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return time.UnixMilli(timestamp), Name, nil
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}
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func DateTimeParserConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.DateTimeParser, error) {
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return &DateTimeParser{}, nil
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}
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func init() {
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err := registry.RegisterDateTimeParser(Name, DateTimeParserConstructor)
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if err != nil {
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panic(err)
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}
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}
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