5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
86 lines
2.6 KiB
Go
Vendored
86 lines
2.6 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
|
||
|
||
// ReverseNestedAggregation defines a special single bucket aggregation
|
||
// that enables aggregating on parent docs from nested documents.
|
||
// Effectively this aggregation can break out of the nested block
|
||
// structure and link to other nested structures or the root document,
|
||
// which allows nesting other aggregations that aren’t part of
|
||
// the nested object in a nested aggregation.
|
||
//
|
||
// See: https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-reverse-nested-aggregation.html
|
||
type ReverseNestedAggregation struct {
|
||
path string
|
||
subAggregations map[string]Aggregation
|
||
meta map[string]interface{}
|
||
}
|
||
|
||
// NewReverseNestedAggregation initializes a new ReverseNestedAggregation
|
||
// bucket aggregation.
|
||
func NewReverseNestedAggregation() *ReverseNestedAggregation {
|
||
return &ReverseNestedAggregation{
|
||
subAggregations: make(map[string]Aggregation),
|
||
}
|
||
}
|
||
|
||
// Path set the path to use for this nested aggregation. The path must match
|
||
// the path to a nested object in the mappings. If it is not specified
|
||
// then this aggregation will go back to the root document.
|
||
func (a *ReverseNestedAggregation) Path(path string) *ReverseNestedAggregation {
|
||
a.path = path
|
||
return a
|
||
}
|
||
|
||
func (a *ReverseNestedAggregation) SubAggregation(name string, subAggregation Aggregation) *ReverseNestedAggregation {
|
||
a.subAggregations[name] = subAggregation
|
||
return a
|
||
}
|
||
|
||
// Meta sets the meta data to be included in the aggregation response.
|
||
func (a *ReverseNestedAggregation) Meta(metaData map[string]interface{}) *ReverseNestedAggregation {
|
||
a.meta = metaData
|
||
return a
|
||
}
|
||
|
||
func (a *ReverseNestedAggregation) Source() (interface{}, error) {
|
||
// Example:
|
||
// {
|
||
// "aggs" : {
|
||
// "reverse_nested" : {
|
||
// "path": "..."
|
||
// }
|
||
// }
|
||
// }
|
||
// This method returns only the { "reverse_nested" : {} } part.
|
||
|
||
source := make(map[string]interface{})
|
||
opts := make(map[string]interface{})
|
||
source["reverse_nested"] = opts
|
||
|
||
if a.path != "" {
|
||
opts["path"] = a.path
|
||
}
|
||
|
||
// 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
|
||
}
|