mirror of
https://github.com/go-gitea/gitea
synced 2024-09-27 14:54:05 +00:00
5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
127 lines
3.5 KiB
Go
Vendored
127 lines
3.5 KiB
Go
Vendored
// Copyright 2012-present Oliver Eilhard. All rights reserved.
|
||
// Use of this source code is governed by a MIT-license.
|
||
// See http://olivere.mit-license.org/license.txt for details.
|
||
|
||
package elastic
|
||
|
||
// DiversifiedSamplerAggregation Like the ‘sampler` aggregation this is a filtering aggregation used to limit any
|
||
// sub aggregations’ processing to a sample of the top-scoring documents. The diversified_sampler aggregation adds
|
||
// the ability to limit the number of matches that share a common value such as an "author".
|
||
//
|
||
// See: https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-diversified-sampler-aggregation.html
|
||
type DiversifiedSamplerAggregation struct {
|
||
subAggregations map[string]Aggregation
|
||
meta map[string]interface{}
|
||
field string
|
||
script *Script
|
||
shardSize int
|
||
maxDocsPerValue int
|
||
executionHint string
|
||
}
|
||
|
||
func NewDiversifiedSamplerAggregation() *DiversifiedSamplerAggregation {
|
||
return &DiversifiedSamplerAggregation{
|
||
shardSize: -1,
|
||
maxDocsPerValue: -1,
|
||
subAggregations: make(map[string]Aggregation),
|
||
}
|
||
}
|
||
|
||
func (a *DiversifiedSamplerAggregation) SubAggregation(name string, subAggregation Aggregation) *DiversifiedSamplerAggregation {
|
||
a.subAggregations[name] = subAggregation
|
||
return a
|
||
}
|
||
|
||
// Meta sets the meta data to be included in the aggregation response.
|
||
func (a *DiversifiedSamplerAggregation) Meta(metaData map[string]interface{}) *DiversifiedSamplerAggregation {
|
||
a.meta = metaData
|
||
return a
|
||
}
|
||
|
||
// Field on which the aggregation is processed.
|
||
func (a *DiversifiedSamplerAggregation) Field(field string) *DiversifiedSamplerAggregation {
|
||
a.field = field
|
||
return a
|
||
}
|
||
|
||
func (a *DiversifiedSamplerAggregation) Script(script *Script) *DiversifiedSamplerAggregation {
|
||
a.script = script
|
||
return a
|
||
}
|
||
|
||
// ShardSize sets the maximum number of docs returned from each shard.
|
||
func (a *DiversifiedSamplerAggregation) ShardSize(shardSize int) *DiversifiedSamplerAggregation {
|
||
a.shardSize = shardSize
|
||
return a
|
||
}
|
||
|
||
func (a *DiversifiedSamplerAggregation) MaxDocsPerValue(maxDocsPerValue int) *DiversifiedSamplerAggregation {
|
||
a.maxDocsPerValue = maxDocsPerValue
|
||
return a
|
||
}
|
||
|
||
func (a *DiversifiedSamplerAggregation) ExecutionHint(hint string) *DiversifiedSamplerAggregation {
|
||
a.executionHint = hint
|
||
return a
|
||
}
|
||
|
||
func (a *DiversifiedSamplerAggregation) Source() (interface{}, error) {
|
||
// Example:
|
||
// {
|
||
// "aggs": {
|
||
// "my_unbiased_sample": {
|
||
// "diversified_sampler": {
|
||
// "shard_size": 200,
|
||
// "field" : "author"
|
||
// }
|
||
// }
|
||
// }
|
||
// }
|
||
//
|
||
// This method returns only the { "diversified_sampler" : { ... } } part.
|
||
|
||
source := make(map[string]interface{})
|
||
opts := make(map[string]interface{})
|
||
source["diversified_sampler"] = opts
|
||
|
||
if a.field != "" {
|
||
opts["field"] = a.field
|
||
}
|
||
if a.script != nil {
|
||
src, err := a.script.Source()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
opts["script"] = src
|
||
}
|
||
if a.shardSize >= 0 {
|
||
opts["shard_size"] = a.shardSize
|
||
}
|
||
if a.maxDocsPerValue >= 0 {
|
||
opts["max_docs_per_value"] = a.maxDocsPerValue
|
||
}
|
||
if a.executionHint != "" {
|
||
opts["execution_hint"] = a.executionHint
|
||
}
|
||
|
||
// AggregationBuilder (SubAggregations)
|
||
if len(a.subAggregations) > 0 {
|
||
aggsMap := make(map[string]interface{})
|
||
source["aggregations"] = aggsMap
|
||
for name, aggregate := range a.subAggregations {
|
||
src, err := aggregate.Source()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
aggsMap[name] = src
|
||
}
|
||
}
|
||
|
||
// Add Meta data if available
|
||
if len(a.meta) > 0 {
|
||
source["meta"] = a.meta
|
||
}
|
||
|
||
return source, nil
|
||
}
|