mirror of https://github.com/go-gitea/gitea.git
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
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// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// GlobalAggregation defines a single bucket of all the documents within
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// the search execution context. This context is defined by the indices
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// and the document types you’re searching on, but is not influenced
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// by the search query itself.
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// See: https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-global-aggregation.html
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type GlobalAggregation struct {
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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}
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func NewGlobalAggregation() *GlobalAggregation {
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return &GlobalAggregation{
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subAggregations: make(map[string]Aggregation),
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}
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}
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func (a *GlobalAggregation) SubAggregation(name string, subAggregation Aggregation) *GlobalAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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// Meta sets the meta data to be included in the aggregation response.
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func (a *GlobalAggregation) Meta(metaData map[string]interface{}) *GlobalAggregation {
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a.meta = metaData
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return a
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}
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func (a *GlobalAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "all_products" : {
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// "global" : {},
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// "aggs" : {
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// "avg_price" : { "avg" : { "field" : "price" } }
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// }
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// }
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// }
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// }
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// This method returns only the { "global" : {} } part.
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["global"] = opts
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// AggregationBuilder (SubAggregations)
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if len(a.subAggregations) > 0 {
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aggsMap := make(map[string]interface{})
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source["aggregations"] = aggsMap
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for name, aggregate := range a.subAggregations {
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src, err := aggregate.Source()
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if err != nil {
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return nil, err
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}
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aggsMap[name] = src
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}
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}
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// Add Meta data if available
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if len(a.meta) > 0 {
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source["meta"] = a.meta
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}
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return source, nil
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}
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